[cost] Update cost results

Summary: The `FN_loop2` was not actually FN because infer analyzes its complexity as degree 1 correctly.

Reviewed By: dulmarod

Differential Revision: D20468367

fbshipit-source-id: 9e4c19415

infer/tests/codetoanalyze/java/performance/Cost_test.java

@@ -87,7 +87,7 @@ public class Cost_test {
   }
 
   // Expected: Linear bound
-  private static int FN_loop2(int k) {
+  private static int loop2(int k) {
 
     for (int i = 0; i < k; i++) {
       alias2_OK();

infer/tests/codetoanalyze/java/performance/issues.exp

@@ -92,7 +92,6 @@ codetoanalyze/java/performance/Compound_loop.java, codetoanalyze.java.performanc
 codetoanalyze/java/performance/Compound_loop.java, codetoanalyze.java.performance.Compound_loop.while_and_or(int):void, 1, CONDITION_ALWAYS_TRUE, no_bucket, WARNING, [Here]
 codetoanalyze/java/performance/Compound_loop.java, codetoanalyze.java.performance.Compound_loop.while_and_or(int):void, 2, INTEGER_OVERFLOW_L5, no_bucket, ERROR, [<LHS trace>,Assignment,Binary operation: ([0, +oo] + 1):signed32]
 codetoanalyze/java/performance/Continue.java, codetoanalyze.java.performance.Continue.continue_outer_loop():int, 0, EXPENSIVE_EXECUTION_TIME, no_bucket, ERROR, [with estimated cost 7963049, O(1), degree = 0]
-codetoanalyze/java/performance/Cost_test.java, codetoanalyze.java.performance.Cost_test.FN_loop2(int):int, 0, EXPENSIVE_EXECUTION_TIME, no_bucket, ERROR, [with estimated cost 2 + 13 ⋅ k, O(k), degree = 1,{k},Loop at line 92]
 codetoanalyze/java/performance/Cost_test.java, codetoanalyze.java.performance.Cost_test.band_constant(int):void, 0, EXPENSIVE_EXECUTION_TIME, no_bucket, ERROR, [with estimated cost 1277, O(1), degree = 0]
 codetoanalyze/java/performance/Cost_test.java, codetoanalyze.java.performance.Cost_test.call_inputstream_read_linear(java.io.InputStream):void, 3, EXPENSIVE_EXECUTION_TIME, no_bucket, ERROR, [with estimated cost 27304, O(1), degree = 0]
 codetoanalyze/java/performance/Cost_test.java, codetoanalyze.java.performance.Cost_test.call_mult_symbold_quadratic(int):void, 1, EXPENSIVE_EXECUTION_TIME, no_bucket, ERROR, [with estimated cost 14 + 5 ⋅ n + 6 ⋅ n², O(n²), degree = 2,{n},call to void Cost_test.mult_symbols_quadratic(int,int),Loop at line 211,{n},call to void Cost_test.mult_symbols_quadratic(int,int),Loop at line 211,{n},Loop at line 215]
@@ -100,6 +99,7 @@ codetoanalyze/java/performance/Cost_test.java, codetoanalyze.java.performance.Co
 codetoanalyze/java/performance/Cost_test.java, codetoanalyze.java.performance.Cost_test.ignore_boolean_symbols_linear(boolean,int):void, 0, EXPENSIVE_EXECUTION_TIME, no_bucket, ERROR, [with estimated cost 2 + 6 ⋅ n + 2 ⋅ (1+max(0, n)), O(n), degree = 1,{1+max(0, n)},Loop at line 135,{n},Loop at line 135]
 codetoanalyze/java/performance/Cost_test.java, codetoanalyze.java.performance.Cost_test.loop0_bad():int, 0, EXPENSIVE_EXECUTION_TIME, no_bucket, ERROR, [with estimated cost 1202, O(1), degree = 0]
 codetoanalyze/java/performance/Cost_test.java, codetoanalyze.java.performance.Cost_test.loop1_bad():int, 1, EXPENSIVE_EXECUTION_TIME, no_bucket, ERROR, [with estimated cost 1303, O(1), degree = 0]
+codetoanalyze/java/performance/Cost_test.java, codetoanalyze.java.performance.Cost_test.loop2(int):int, 0, EXPENSIVE_EXECUTION_TIME, no_bucket, ERROR, [with estimated cost 2 + 13 ⋅ k, O(k), degree = 1,{k},Loop at line 92]
 codetoanalyze/java/performance/Cost_test.java, codetoanalyze.java.performance.Cost_test.loop3(int):int, 0, EXPENSIVE_EXECUTION_TIME, no_bucket, ERROR, [with estimated cost 237, O(1), degree = 0]
 codetoanalyze/java/performance/Cost_test.java, codetoanalyze.java.performance.Cost_test.loop_on_unknown_global_linear():void, 0, EXPENSIVE_EXECUTION_TIME, no_bucket, ERROR, [with estimated cost 2 + 5 ⋅ codetoanalyze.java.performance.Cost_test.global + 5 ⋅ (1+max(0, codetoanalyze.java.performance.Cost_test.global)), O(codetoanalyze.java.performance.Cost_test.global), degree = 1,{1+max(0, codetoanalyze.java.performance.Cost_test.global)},Loop at line 203,{codetoanalyze.java.performance.Cost_test.global},Loop at line 203]
 codetoanalyze/java/performance/Cost_test.java, codetoanalyze.java.performance.Cost_test.main_bad():int, 3, EXPENSIVE_EXECUTION_TIME, no_bucket, ERROR, [with estimated cost 205, O(1), degree = 0]