scripts/cpa.sh -heap 3000M -noout -disable-java-assertions -predicateAnalysis-PredAbsRefiner-ABEl -timelimit 900s -stats -spec test/programs/benchmarks/ntdrivers-simplified/ALL.prp test/programs/benchmarks/ntdrivers-simplified/kbfiltr_simpl2_false-unreach-call_true-termination.cil.c -------------------------------------------------------------------------------- Running CPAchecker with Java heap of size 3000M. Using the following resource limits: CPU-time limit of 900s (ResourceLimitChecker.fromConfiguration, INFO) CPAchecker 1.4-svn (OpenJDK 64-Bit Server VM 1.7.0_65) started (CPAchecker.run, INFO) Using predicate analysis with SMTInterpol 2.1-174-ga199d47-comp and JFactory 1.21. (PredicateCPA:PredicateCPA., INFO) Using refinement for predicate analysis with PredicateAbstractionRefinementStrategy strategy. (PredicateCPA:PredicateCPARefiner., INFO) Starting analysis ... (CPAchecker.runAlgorithm, INFO) Error path found, starting counterexample check with CPACHECKER. (CounterexampleCheckAlgorithm.checkCounterexample, INFO) Using the following resource limits: CPU-time limit of 900s (CounterexampleCheck:ResourceLimitChecker.fromConfiguration, INFO) Error path found and confirmed by counterexample check with CPACHECKER. (CounterexampleCheckAlgorithm.checkCounterexample, INFO) Stopping analysis ... (CPAchecker.runAlgorithm, INFO) PredicateCPA statistics ----------------------- Number of abstractions: 0 (0% of all post computations) Number of strengthen sat checks: 29 Times result was 'false': 28 (97%) Number of coverage checks: 184 BDD entailment checks: 0 Number of SMT sat checks: 29 trivial: 0 cached: 0 Max ABE block size: 0 Number of predicates discovered: 0 Number of path formula cache hits: 1 (0%) Time for post operator: 0.173s Time for path formula creation: 0.171s Actual computation: 0.209s Time for strengthen operator: 0.824s Time for satisfiability checks: 0.805s Time for prec operator: 0.000s Time for merge operator: 0.051s Time for coverage check: 0.000s Total time for SMT solver (w/o itp): 0.805s Number of BDD nodes: 202 Size of BDD node table: 10007 Size of BDD node cleanup queue: 0 (count: 2, min: 0, max: 0, avg: 0,00) Time for BDD node cleanup: 0.000s Time for BDD garbage collection: 0.000s (in 0 runs) PrecisionBootstrap statistics ----------------------------- Init. function predicates: 0 Init. global predicates: 0 Init. location predicates: 0 AutomatonAnalysis (SVCOMP) statistics ------------------------------------- Number of states: 1 Total time for successor computation: 0.047s Automaton transfers with branching: 0 Automaton transfer successors: 1552 (count: 1552, min: 1, max: 1, avg: 1,00) [1 x 1552] CPA algorithm statistics ------------------------ Number of iterations: 856 Max size of waitlist: 13 Average size of waitlist: 8 Number of computed successors: 955 Max successors for one state: 2 Number of times merged: 92 Number of times stopped: 92 Number of times breaked: 1 Total time for CPA algorithm: 1.281s (Max: 1.281s) Time for choose from waitlist: 0.005s Time for precision adjustment: 0.033s Time for transfer relation: 1.119s Time for merge operator: 0.077s Time for stop operator: 0.006s Time for adding to reached set: 0.020s Predicate-Abstraction Refiner statistics ---------------------------------------- Avg. length of target path (in blocks): 1 (count: 1, min: 1, max: 1, avg: 1,00) Time for refinement: 0.476s Counterexample analysis: 0.332s (Max: 0.332s, Calls: 1) Refinement sat check: 0.199s Interpolant computation: 0.000s Error path post-processing: 0.142s Path-formulas extraction: 0.000s Building the counterexample trace: 0.332s Extracting precise counterexample: 0.142s Predicate creation: 0.000s Precision update: 0.000s ARG update: 0.000s Length of refined path (in blocks): 0 (count: 0, min: 0, max: 0, avg: 0,00) Number of affected states: 0 (count: 0, min: 0, max: 0, avg: 0,00) Length (states) of path with itp 'true': 0 (count: 0, min: 0, max: 0, avg: 0,00) Length (states) of path with itp non-trivial itp: 0 (count: 0, min: 0, max: 0, avg: 0,00) Length (states) of path with itp 'false': 0 (count: 0, min: 0, max: 0, avg: 0,00) Different non-trivial interpolants along paths: 0 (count: 0, min: 0, max: 0, avg: 0,00) Equal non-trivial interpolants along paths: 0 (count: 0, min: 0, max: 0, avg: 0,00) Different precisions along paths: 0 (count: 0, min: 0, max: 0, avg: 0,00) Equal precisions along paths: 0 (count: 0, min: 0, max: 0, avg: 0,00) Number of refs with location-based cutoff: 0 CEGAR algorithm statistics -------------------------- Number of refinements: 1 Number of successful refinements: 0 Number of failed refinements: 0 Max. size of reached set before ref.: 864 Max. size of reached set after ref.: 0 Avg. size of reached set before ref.: 864.00 Avg. size of reached set after ref.: NaN Total time for CEGAR algorithm: 1.761s Time for refinements: 0.480s Average time for refinement: 0.480s Max time for refinement: 0.480s Counterexample-Check Algorithm statistics ----------------------------------------- Number of counterexample checks: 1 Number of infeasible paths: 0 (0%) Time for counterexample checks: 0.697s CPAchecker general statistics ----------------------------- Number of program locations: 415 Number of functions: 16 Number of loops: 0 Size of reached set: 864 Number of reached locations: 398 (96%) Avg states per location: 2 Max states per location: 29 (at node N877) Number of reached functions: 16 (100%) Number of partitions: 864 Avg size of partitions: 1 Max size of partitions: 1 Number of target states: 1 Size of final wait list 8 Time for analysis setup: 1.468s Time for loading CPAs: 0.310s Time for loading parser: 0.476s Time for CFA construction: 0.646s Time for parsing file(s): 0.356s Time for AST to CFA: 0.141s Time for CFA sanity check: 0.000s Time for post-processing: 0.079s Time for var class.: 0.000s Time for Analysis: 2.458s CPU time for analysis: 2.460s Total time for CPAchecker: 3.926s Total CPU time for CPAchecker: 3.930s Time for Garbage Collector: 0.066s (in 1 runs) Garbage Collector(s) used: PS MarkSweep, PS Scavenge Used heap memory: 132MB ( 126 MiB) max; 67MB ( 64 MiB) avg; 150MB ( 143 MiB) peak Used non-heap memory: 22MB ( 21 MiB) max; 17MB ( 16 MiB) avg; 22MB ( 21 MiB) peak Used in PS Old Gen pool: 0MB ( 0 MiB) max; 0MB ( 0 MiB) avg; 0MB ( 0 MiB) peak Allocated heap memory: 504MB ( 481 MiB) max; 504MB ( 481 MiB) avg Allocated non-heap memory: 24MB ( 23 MiB) max; 24MB ( 23 MiB) avg Total process virtual memory: 4967MB ( 4737 MiB) max; 4908MB ( 4680 MiB) avg Verification result: FALSE. Property violation (__VERIFIER_error(); called in line 1327) found by chosen configuration. More details about the verification run can be found in the directory "./output".