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infer_clone/infer/tests/codetoanalyze/objc/performance/cost-issues.exp

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[cost] add objc test for NSArray and NSMutableArray Summary: Add objc test for ```NSArray``` and ```NSMutableArray```. ```NSMutableArray``` is a subclass of ```NSArray```. For documentation of ```NSArray```, https://developer.apple.com/documentation/foundation/nsarray?language=objc For documentation of ```NSMutableArray```, https://developer.apple.com/documentation/foundation/nsmutablearray?language=objc The underlying mechanism for ```NSMutableArray``` is quite complicated. It changes the underlying data structure during runtime, so it is possible to have say O(log n) complexity for accessing element in array. (See here https://opensource.apple.com/source/CF/CF-855.11/CFArray.h) However, this is unlikely to happen if the engineer does not abuse the usage of the class ```NSMutableArray``` according to at least two ios engineers. So here the complexity is set to match the normal expectation of the complexity. Reviewed By: ezgicicek Differential Revision: D22041277 fbshipit-source-id: c27f43167
5 years ago
codetoanalyze/objc/performance/NSArray.m, nsarray_access_constant, 42, OnUIThread:false, []
codetoanalyze/objc/performance/NSArray.m, nsarray_access_linear_FP, ⊤, OnUIThread:false, [Unbounded loop,Loop at line 68, column 3]
codetoanalyze/objc/performance/NSArray.m, nsarray_add_object_constant, 8, OnUIThread:false, []
codetoanalyze/objc/performance/NSArray.m, nsarray_add_objects_from_array_linear_FN, 8, OnUIThread:false, []
codetoanalyze/objc/performance/NSArray.m, nsarray_binary_search_log_FN, 10, OnUIThread:false, []
codetoanalyze/objc/performance/NSArray.m, nsarray_contains_object_linear_FN, 4, OnUIThread:false, []
codetoanalyze/objc/performance/NSArray.m, nsarray_enumerator_linear_FN, 14, OnUIThread:false, []
codetoanalyze/objc/performance/NSArray.m, nsarray_first_object_constant, 4, OnUIThread:false, []
codetoanalyze/objc/performance/NSArray.m, nsarray_init_constant_FP, ⊤, OnUIThread:false, [Unbounded loop,Loop at line 14, column 3]
codetoanalyze/objc/performance/NSArray.m, nsarray_init_with_array_constant_FP, ⊤, OnUIThread:false, [Call to nsarray_init_with_array_linear_FP,Unbounded loop,Loop at line 21, column 3]
codetoanalyze/objc/performance/NSArray.m, nsarray_init_with_array_copy_linear_FP, ⊤, OnUIThread:false, [Unbounded loop,Loop at line 32, column 3]
codetoanalyze/objc/performance/NSArray.m, nsarray_init_with_array_linear_FP, ⊤, OnUIThread:false, [Unbounded loop,Loop at line 21, column 3]
codetoanalyze/objc/performance/NSArray.m, nsarray_init_with_objects_constant, 9, OnUIThread:false, []
codetoanalyze/objc/performance/NSArray.m, nsarray_is_equal_to_array_linear_FN, 5, OnUIThread:false, []
codetoanalyze/objc/performance/NSArray.m, nsarray_iterate_linear_FN, 14, OnUIThread:false, []
codetoanalyze/objc/performance/NSArray.m, nsarray_last_object_constant, 4, OnUIThread:false, []
codetoanalyze/objc/performance/NSArray.m, nsarray_sort_using_descriptors_constant, 14, OnUIThread:false, []
codetoanalyze/objc/performance/NSArray.m, nsarray_sort_using_descriptors_nlogn_FN, 9, OnUIThread:false, []
codetoanalyze/objc/performance/NSArray.m, objc_blocknsarray_binary_search_log_FN_1, 5, OnUIThread:false, []
[cost] add objc test case for NSInteger and NSString Summary: Add objc test case for ```NSInteger``` and ```NSString```. The test cases are adapted from java test case: ```IntTest.java```, ```StringBuilder.java```, and ```StringTest.java```. Inspection of the record will be done later. Reviewed By: ezgicicek Differential Revision: D21994620 fbshipit-source-id: 0c1d7b34e
5 years ago
codetoanalyze/objc/performance/NSInteger.m, nsinteger_value_linear, 3 + 3 ⋅ integer + 2 ⋅ (1+max(0, integer)), OnUIThread:false, [{1+max(0, integer)},Loop at line 10, column 3,{integer},Loop at line 10, column 3]
[cost] add objc test for NSArray and NSMutableArray Summary: Add objc test for ```NSArray``` and ```NSMutableArray```. ```NSMutableArray``` is a subclass of ```NSArray```. For documentation of ```NSArray```, https://developer.apple.com/documentation/foundation/nsarray?language=objc For documentation of ```NSMutableArray```, https://developer.apple.com/documentation/foundation/nsmutablearray?language=objc The underlying mechanism for ```NSMutableArray``` is quite complicated. It changes the underlying data structure during runtime, so it is possible to have say O(log n) complexity for accessing element in array. (See here https://opensource.apple.com/source/CF/CF-855.11/CFArray.h) However, this is unlikely to happen if the engineer does not abuse the usage of the class ```NSMutableArray``` according to at least two ios engineers. So here the complexity is set to match the normal expectation of the complexity. Reviewed By: ezgicicek Differential Revision: D22041277 fbshipit-source-id: c27f43167
5 years ago
codetoanalyze/objc/performance/NSMutableArray.m, nsmarray_add_all_constant, 25, OnUIThread:false, []
codetoanalyze/objc/performance/NSMutableArray.m, nsmarray_add_in_loop_constant_FP, ⊤, OnUIThread:false, [Unbounded loop,Loop at line 31, column 3]
codetoanalyze/objc/performance/NSMutableArray.m, nsmarray_add_in_loop_linear, 8 + 7 ⋅ n + 3 ⋅ n + 2 ⋅ (n + 1) + 2 ⋅ (n + 1), OnUIThread:false, [{n + 1},Loop at line 40, column 3,{n + 1},Loop at line 37, column 3,{n},Loop at line 40, column 3,{n},Loop at line 37, column 3]
codetoanalyze/objc/performance/NSMutableArray.m, nsmarray_add_in_loop_quadratic, 6 + 5 ⋅ n + 8 ⋅ n × m + 2 ⋅ n × (m + 1) + 2 ⋅ (n + 1), OnUIThread:false, [{n + 1},Loop at line 46, column 3,{m + 1},Loop at line 47, column 5,{m},Loop at line 47, column 5,{n},Loop at line 46, column 3]
codetoanalyze/objc/performance/NSMutableArray.m, nsmarray_add_then_loop_constant_FP, ⊤, OnUIThread:false, [Unbounded loop,Loop at line 67, column 3]
codetoanalyze/objc/performance/NSMutableArray.m, nsmarray_empty_ok_costant, 7, OnUIThread:false, []
codetoanalyze/objc/performance/NSMutableArray.m, nsmarray_init_with_capacity_constant_FP, ⊤, OnUIThread:false, [Unbounded loop,Loop at line 14, column 3]
codetoanalyze/objc/performance/NSMutableArray.m, nsmarray_remove_in_loop_constant_FP, ⊤, OnUIThread:false, [Unbounded loop,Loop at line 121, column 3]
codetoanalyze/objc/performance/NSMutableArray.m, nsmarray_reomove_constant, 15, OnUIThread:false, []
codetoanalyze/objc/performance/NSMutableArray.m, nsmarray_set_constant, 4, OnUIThread:false, []
codetoanalyze/objc/performance/NSMutableArray.m, nsmarray_set_constant_FP, ⊤, OnUIThread:false, [Unbounded loop,Loop at line 101, column 3]
codetoanalyze/objc/performance/NSMutableArray.m, nsmarray_set_linear_FP, ⊤, OnUIThread:false, [Unbounded loop,Loop at line 90, column 3]
[cost] add objc test case for NSInteger and NSString Summary: Add objc test case for ```NSInteger``` and ```NSString```. The test cases are adapted from java test case: ```IntTest.java```, ```StringBuilder.java```, and ```StringTest.java```. Inspection of the record will be done later. Reviewed By: ezgicicek Differential Revision: D21994620 fbshipit-source-id: 0c1d7b34e
5 years ago
codetoanalyze/objc/performance/NSString.m, call_component_separated_by_string_constant_FP, ⊤, OnUIThread:false, [Call to component_seperated_by_string_linear_FP,Unbounded loop,Loop at line 42, column 3]
codetoanalyze/objc/performance/NSString.m, call_init_with_string_constant_FP, ⊤, OnUIThread:false, [Call to init_with_string_linear_FP,Unbounded loop,Loop at line 70, column 3]
codetoanalyze/objc/performance/NSString.m, component_seperated_by_string_linear_FP, ⊤, OnUIThread:false, [Unbounded loop,Loop at line 42, column 3]
codetoanalyze/objc/performance/NSString.m, has_prefix_constant, 15, OnUIThread:false, []
codetoanalyze/objc/performance/NSString.m, init_with_bytes_linear_FP, ⊤, OnUIThread:false, [Unbounded loop,Loop at line 57, column 3]
codetoanalyze/objc/performance/NSString.m, init_with_string_constant_FP, ⊤, OnUIThread:false, [Unbounded loop,Loop at line 64, column 3]
codetoanalyze/objc/performance/NSString.m, init_with_string_linear_FP, ⊤, OnUIThread:false, [Unbounded loop,Loop at line 70, column 3]
codetoanalyze/objc/performance/NSString.m, rangeof_character_from_set_linear_FN, 6, OnUIThread:false, []
codetoanalyze/objc/performance/NSString.m, rangeof_string_quadratic_FN, 6, OnUIThread:false, []
codetoanalyze/objc/performance/NSString.m, replace_linear_FP, ⊤, OnUIThread:false, [Unbounded loop,Loop at line 87, column 3]
codetoanalyze/objc/performance/NSString.m, string_by_appending_same_string_linear_FN, 7, OnUIThread:false, []
codetoanalyze/objc/performance/NSString.m, string_by_appending_string_linear_FN, 7, OnUIThread:false, []
codetoanalyze/objc/performance/NSString.m, substring_from_index_linear_FN, 13, OnUIThread:false, []
codetoanalyze/objc/performance/NSString.m, substring_no_end_linear_FP, ⊤, OnUIThread:false, [Unbounded loop,Loop at line 81, column 3]
[cost] Record cost traces in cost-report.json Summary: We do not use an arbitrary threshold to test cost results anymore but instead rely on `cost-issues` which do not have any trace attached. This diff adds traces to `costs-report.json` so that we can test cost issues with traces. Reviewed By: skcho Differential Revision: D21858846 fbshipit-source-id: e73321a92
5 years ago
codetoanalyze/objc/performance/araii.m, Araii.dealloc, 4, OnUIThread:false, []
codetoanalyze/objc/performance/araii.m, Araii.initWithBuffer, 15, OnUIThread:false, []
codetoanalyze/objc/performance/araii.m, memory_leak_raii_main, 18, OnUIThread:false, []
[cost] import c performance test to objc Summary: Basically copying test file from c/performance to objc/performance. Reviewed By: skcho Differential Revision: D21972945 fbshipit-source-id: 6e4412598
5 years ago
codetoanalyze/objc/performance/break.m, break_constant_FP, 8 + 5 ⋅ p + 2 ⋅ (1+max(0, p)), OnUIThread:false, [{1+max(0, p)},call to break_loop,Loop at line 10, column 3,{p},call to break_loop,Loop at line 10, column 3]
codetoanalyze/objc/performance/break.m, break_loop, 5 + 5 ⋅ p + 2 ⋅ (1+max(0, p)), OnUIThread:false, [{1+max(0, p)},Loop at line 10, column 3,{p},Loop at line 10, column 3]
codetoanalyze/objc/performance/break.m, break_loop_with_t, 7 + 5 ⋅ p + 2 ⋅ (1+max(0, p)), OnUIThread:false, [{1+max(0, p)},Loop at line 22, column 3,{p},Loop at line 22, column 3]
[cost] Record cost traces in cost-report.json Summary: We do not use an arbitrary threshold to test cost results anymore but instead rely on `cost-issues` which do not have any trace attached. This diff adds traces to `costs-report.json` so that we can test cost issues with traces. Reviewed By: skcho Differential Revision: D21858846 fbshipit-source-id: e73321a92
5 years ago
codetoanalyze/objc/performance/cf.m, array_count_linear, 6 + 3 ⋅ arr.length + 2 ⋅ (arr.length + 1), OnUIThread:false, [{arr.length + 1},Loop at line 18, column 3,{arr.length},Loop at line 18, column 3]
codetoanalyze/objc/performance/cf.m, cf_array_create_copy_linear, 1010, OnUIThread:false, []
codetoanalyze/objc/performance/cf.m, cf_array_create_linear, 11 + 3 ⋅ x + 2 ⋅ (1+max(0, x)), OnUIThread:false, [{1+max(0, x)},Loop at line 41, column 3,{x},Loop at line 41, column 3]
codetoanalyze/objc/performance/cf.m, dict_count_linear, 6 + 3 ⋅ dict.length + 2 ⋅ (dict.length + 1), OnUIThread:false, [{dict.length + 1},Loop at line 24, column 3,{dict.length},Loop at line 24, column 3]
[cost] import c performance test to objc Summary: Basically copying test file from c/performance to objc/performance. Reviewed By: skcho Differential Revision: D21972945 fbshipit-source-id: 6e4412598
5 years ago
codetoanalyze/objc/performance/compound_loop_guard.m, compound_while, 7 + 3 ⋅ m + 4 ⋅ (1+max(0, m)), OnUIThread:false, [{1+max(0, m)},Loop at line 13, column 3,{m},Loop at line 13, column 3]
codetoanalyze/objc/performance/compound_loop_guard.m, nested_while_and_or_constant, 20, OnUIThread:false, []
codetoanalyze/objc/performance/compound_loop_guard.m, simplified_simulated_while_with_and_constant, 605, OnUIThread:false, []
codetoanalyze/objc/performance/compound_loop_guard.m, simulated_nested_loop_with_and_constant, 3529, OnUIThread:false, []
codetoanalyze/objc/performance/compound_loop_guard.m, simulated_while_shortcut_constant, 9, OnUIThread:false, []
codetoanalyze/objc/performance/compound_loop_guard.m, simulated_while_with_and_linear, 6 + 3 ⋅ p + 4 ⋅ (1+max(0, p)), OnUIThread:false, [{1+max(0, p)},Loop at line 42, column 3,{p},Loop at line 42, column 3]
codetoanalyze/objc/performance/compound_loop_guard.m, while_and_or, ⊤, OnUIThread:false, [Unbounded loop,Loop at line 62, column 3]
[cost] Record cost traces in cost-report.json Summary: We do not use an arbitrary threshold to test cost results anymore but instead rely on `cost-issues` which do not have any trace attached. This diff adds traces to `costs-report.json` so that we can test cost issues with traces. Reviewed By: skcho Differential Revision: D21858846 fbshipit-source-id: e73321a92
5 years ago
codetoanalyze/objc/performance/control.m, __infer_globals_initializer_gvar, 2, OnUIThread:false, []
codetoanalyze/objc/performance/control.m, wrong_cvar_FP, ⊤, OnUIThread:false, [Unbounded loop,Loop at line 20, column 3]
[cost] import c performance test to objc Summary: Basically copying test file from c/performance to objc/performance. Reviewed By: skcho Differential Revision: D21972945 fbshipit-source-id: 6e4412598
5 years ago
codetoanalyze/objc/performance/cost_test.m, always, 9, OnUIThread:false, []
codetoanalyze/objc/performance/cost_test.m, call_infinite, ⊤, OnUIThread:false, [Call to infinite,Unbounded loop,Loop at line 72, column 3]
codetoanalyze/objc/performance/cost_test.m, call_while_upto20_10_constant, 56, OnUIThread:false, []
codetoanalyze/objc/performance/cost_test.m, call_while_upto20_minus100_constant, 606, OnUIThread:false, []
codetoanalyze/objc/performance/cost_test.m, call_while_upto20_unsigned, 6 + 4 ⋅ (-x + 20) + (21-min(20, x)), OnUIThread:false, [{21-min(20, x)},call to while_upto20,Loop at line 45, column 3,{-x + 20},call to while_upto20,Loop at line 45, column 3]
codetoanalyze/objc/performance/cost_test.m, cond_constant, 14, OnUIThread:false, []
codetoanalyze/objc/performance/cost_test.m, div_const, 3, OnUIThread:false, []
codetoanalyze/objc/performance/cost_test.m, foo_constant, 6, OnUIThread:false, []
codetoanalyze/objc/performance/cost_test.m, infinite, ⊤, OnUIThread:false, [Unbounded loop,Loop at line 72, column 3]
codetoanalyze/objc/performance/cost_test.m, infinite_FN, 19, OnUIThread:false, []
codetoanalyze/objc/performance/cost_test.m, iter_div_const_constant, 109, OnUIThread:false, []
codetoanalyze/objc/performance/cost_test.m, loop0_constant, 1005, OnUIThread:false, []
codetoanalyze/objc/performance/cost_test.m, loop3_constant, 97, OnUIThread:false, []
codetoanalyze/objc/performance/cost_test.m, loop_character_symbols_linear, 5 + 4 ⋅ (122-min(97, c)), OnUIThread:false, [{122-min(97, c)},Loop at line 80, column 3]
codetoanalyze/objc/performance/cost_test.m, unit_cost_function, 1, OnUIThread:false, []
codetoanalyze/objc/performance/cost_test.m, while_upto20, 4 + 4 ⋅ (-m + 20) + (21-min(20, m)), OnUIThread:false, [{21-min(20, m)},Loop at line 45, column 3,{-m + 20},Loop at line 45, column 3]
codetoanalyze/objc/performance/cost_test_deps.m, if_bad_constant, 75, OnUIThread:false, []
codetoanalyze/objc/performance/cost_test_deps.m, if_bad_loop_constant, 203, OnUIThread:false, []
codetoanalyze/objc/performance/cost_test_deps.m, loop_despite_inferbo_constant, 1208, OnUIThread:false, []
codetoanalyze/objc/performance/cost_test_deps.m, nested_loop_constant, 2547, OnUIThread:false, []
codetoanalyze/objc/performance/cost_test_deps.m, real_while_constant, 218, OnUIThread:false, []
codetoanalyze/objc/performance/cost_test_deps.m, simulated_nested_loop_cond_in_goto_constant, 3534, OnUIThread:false, []
codetoanalyze/objc/performance/cost_test_deps.m, simulated_nested_loop_constant, 2529, OnUIThread:false, []
codetoanalyze/objc/performance/cost_test_deps.m, simulated_nested_loop_more_expensive_constant, 2534, OnUIThread:false, []
codetoanalyze/objc/performance/cost_test_deps.m, simulated_while_constant, 218, OnUIThread:false, []
codetoanalyze/objc/performance/cost_test_deps.m, two_loops, 549, OnUIThread:false, []
codetoanalyze/objc/performance/exit.m, call_exit_unreachable, ⊥, OnUIThread:false, [Unreachable node]
codetoanalyze/objc/performance/exit.m, call_unreachable_constant, 2, OnUIThread:false, []
codetoanalyze/objc/performance/exit.m, compute_exit_unreachable, ⊥, OnUIThread:false, [Unreachable node]
codetoanalyze/objc/performance/exit.m, exit_unreachable, ⊥, OnUIThread:false, [Unreachable node]
codetoanalyze/objc/performance/exit.m, inline_exit_unreachable_FP, 3 ⋅ p + 2 ⋅ (1+max(0, p)), OnUIThread:false, [{1+max(0, p)},Loop at line 30, column 3,{p},Loop at line 30, column 3]
codetoanalyze/objc/performance/exit.m, linear, 3 + 3 ⋅ p + 2 ⋅ (1+max(0, p)), OnUIThread:false, [{1+max(0, p)},Loop at line 18, column 3,{p},Loop at line 18, column 3]
codetoanalyze/objc/performance/instantiate.m, do_2_times_constant, 20, OnUIThread:false, []
codetoanalyze/objc/performance/instantiate.m, do_half_m2_times_quadratic, 3 + 5 ⋅ (m - 1) × m + 7 ⋅ m + 2 ⋅ m × (max(1, m)) + 2 ⋅ (1+max(0, m)), OnUIThread:false, [{1+max(0, m)},Loop at line 28, column 3,{max(1, m)},call to do_n_times,Loop at line 12, column 3,{m},Loop at line 28, column 3,{m},Loop at line 28, column 3,{m - 1},call to do_n_times,Loop at line 12, column 3]
codetoanalyze/objc/performance/instantiate.m, do_m2_times_quadratic, 3 + 7 ⋅ m + 5 ⋅ m × m + 2 ⋅ m × (1+max(0, m)) + 2 ⋅ (1+max(0, m)), OnUIThread:false, [{1+max(0, m)},Loop at line 21, column 3,{1+max(0, m)},call to do_n_times,Loop at line 12, column 3,{m},call to do_n_times,Loop at line 12, column 3,{m},Loop at line 21, column 3]
codetoanalyze/objc/performance/instantiate.m, do_n_times, 3 + 5 ⋅ n + 2 ⋅ (1+max(0, n)), OnUIThread:false, [{1+max(0, n)},Loop at line 12, column 3,{n},Loop at line 12, column 3]
codetoanalyze/objc/performance/instantiate.m, no_op, 2, OnUIThread:false, []
codetoanalyze/objc/performance/invariant.m, do_n_m_times_nested, 7 + 5 ⋅ n + 3 ⋅ n × m + 2 ⋅ n × (1+max(0, m)) + 2 ⋅ (1+max(0, n)), OnUIThread:false, [{1+max(0, n)},Loop at line 24, column 3,{1+max(0, m)},Loop at line 25, column 5,{m},Loop at line 25, column 5,{n},Loop at line 24, column 3]
codetoanalyze/objc/performance/invariant.m, two_loops_nested_invariant, 6 + 23 ⋅ p + 2 ⋅ (1+max(0, p)), OnUIThread:false, [{1+max(0, p)},Loop at line 34, column 3,{p},Loop at line 34, column 3]
codetoanalyze/objc/performance/invariant.m, while_infinite_FN, 2, OnUIThread:false, []
codetoanalyze/objc/performance/invariant.m, while_unique_def_FN, 15, OnUIThread:false, []
codetoanalyze/objc/performance/jump_inside_loop.m, jump_inside_loop_constant_linear, 9 + (k - 1) + 4 ⋅ (max(1, k)), OnUIThread:false, [{max(1, k)},Loop at line 36, column 3,{k - 1},Loop at line 36, column 3]
codetoanalyze/objc/performance/jump_inside_loop.m, loop_always_linear, 7 + k + 2 ⋅ (max(1, k)) + 2 ⋅ (1+max(1, k)), OnUIThread:false, [{1+max(1, k)},Loop at line 21, column 3,{max(1, k)},Loop at line 21, column 3,{k},Loop at line 21, column 3]
codetoanalyze/objc/performance/loops.m, __infer_globals_initializer_array1, 4, OnUIThread:false, []
codetoanalyze/objc/performance/loops.m, __infer_globals_initializer_array2, 2, OnUIThread:false, []
codetoanalyze/objc/performance/loops.m, do_while_independent_of_p, 228, OnUIThread:false, []
codetoanalyze/objc/performance/loops.m, if_in_loop, 324, OnUIThread:false, []
codetoanalyze/objc/performance/loops.m, if_out_loop, 515, OnUIThread:false, []
codetoanalyze/objc/performance/loops.m, larger_state_FN, 1005, OnUIThread:false, []
codetoanalyze/objc/performance/loops.m, loop_use_global_vars, 4 + 4 ⋅ x + 2 ⋅ (1+max(0, x)), OnUIThread:false, [{1+max(0, x)},Loop at line 69, column 3,{x},Loop at line 69, column 3]
codetoanalyze/objc/performance/loops.m, ptr_cmp, 5 + 5 ⋅ size + 2 ⋅ (2+max(-1, size)), OnUIThread:false, [{2+max(-1, size)},Loop at line 76, column 3,{size},Loop at line 76, column 3]
codetoanalyze/objc/performance/purity.m, loop, 7007, OnUIThread:false, []
codetoanalyze/objc/performance/switch_continue.m, test_switch_FN, 601, OnUIThread:false, []
codetoanalyze/objc/performance/switch_continue.m, unroll_loop, 16 + (n - 1) + 11 ⋅ (max(1, n)), OnUIThread:false, [{max(1, n)},Loop at line 43, column 11,{n - 1},Loop at line 43, column 11]
codetoanalyze/objc/performance/two_loops_symbolic.m, nop, 2, OnUIThread:false, []
codetoanalyze/objc/performance/two_loops_symbolic.m, two_loops_symb_diff, 8 + 5 ⋅ k + 5 ⋅ m + 2 ⋅ (1+max(0, k)) + 2 ⋅ (1+max(0, m)), OnUIThread:false, [{1+max(0, m)},Loop at line 12, column 3,{1+max(0, k)},Loop at line 15, column 3,{m},Loop at line 12, column 3,{k},Loop at line 15, column 3]