scripts/cpa.sh -heap 50000M -noout -disable-java-assertions -predicateAnalysis-PredAbsRefiner-ABEl -timelimit 900s -stats -spec test/programs/benchmarks/ntdrivers-simplified/ALL.prp test/programs/benchmarks/ntdrivers-simplified/cdaudio_simpl1_true-unreach-call_true-termination.cil.c -------------------------------------------------------------------------------- Running CPAchecker with Java heap of size 50000M. 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) line 2258: Dead code detected: return (-1073741823); (CFACreationUtils.addEdgeToCFA, 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) Stopping analysis ... (CPAchecker.runAlgorithm, INFO) PredicateCPA statistics ----------------------- Number of abstractions: 3 (0% of all post computations) Times abstraction was reused: 0 Because of function entry/exit: 0 (0%) Because of loop head: 3 (100%) Because of join nodes: 0 (0%) Because of threshold: 0 (0%) Times precision was empty: 2 (67%) Times precision was {false}: 0 (0%) Times result was cached: 0 (0%) Times cartesian abs was used: 0 (0%) Times boolean abs was used: 1 (33%) Times result was 'false': 1 (33%) Number of strengthen sat checks: 129 Times result was 'false': 128 (99%) Number of coverage checks: 1101 BDD entailment checks: 1 Number of SMT sat checks: 129 trivial: 0 cached: 26 Max ABE block size: 93 Number of predicates discovered: 8 Number of abstraction locations: 0 Max number of predicates per location: 0 Avg number of predicates per location: 0 Total predicates per abstraction: 6 Max number of predicates per abstraction: 6 Avg number of predicates per abstraction: 6.00 Number of irrelevant predicates: 0 (0%) Number of preds handled by boolean abs: 6 (100%) Total number of models for allsat: 0 Max number of models for allsat: 0 Avg number of models for allsat: 0.00 Number of path formula cache hits: 982 (20%) Time for post operator: 0.497s Time for path formula creation: 0.455s Actual computation: 0.431s Time for strengthen operator: 1.887s Time for satisfiability checks: 1.871s Time for prec operator: 0.032s Time for abstraction: 0.026s (Max: 0.015s, Count: 3) Boolean abstraction: 0.004s Solving time: 0.001s (Max: 0.001s) Model enumeration time: 0.000s Time for BDD construction: 0.000s (Max: 0.000s) Time for merge operator: 0.156s Time for coverage check: 0.003s Time for BDD entailment checks: 0.002s Total time for SMT solver (w/o itp): 1.869s Number of BDD nodes: 202 Size of BDD node table: 10007 Size of BDD node cleanup queue: 0 (count: 17, 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: 0.096s Automaton transfers with branching: 0 Automaton transfer successors: 7338 (count: 7338, min: 1, max: 1, avg: 1,00) [1 x 7338] CPA algorithm statistics ------------------------ Number of iterations: 4085 Max size of waitlist: 27 Average size of waitlist: 12 Number of computed successors: 4643 Max successors for one state: 2 Number of times merged: 550 Number of times stopped: 551 Number of times breaked: 1 Total time for CPA algorithm: 3.189s (Max: 2.107s) Time for choose from waitlist: 0.032s Time for precision adjustment: 0.086s Time for transfer relation: 2.677s Time for merge operator: 0.193s Time for stop operator: 0.033s Time for adding to reached set: 0.066s Predicate-Abstraction Refiner statistics ---------------------------------------- Avg. length of target path (in blocks): 2 (count: 1, min: 2, max: 2, avg: 2,00) Time for refinement: 0.032s Counterexample analysis: 0.006s (Max: 0.006s, Calls: 1) Refinement sat check: 0.005s Interpolant computation: 0.000s Error path post-processing: 0.000s Path-formulas extraction: 0.000s Building the counterexample trace: 0.006s Extracting precise counterexample: 0.000s 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: 1 Number of failed refinements: 0 Max. size of reached set before ref.: 853 Max. size of reached set after ref.: 1 Avg. size of reached set before ref.: 853.00 Avg. size of reached set after ref.: 1.00 Total time for CEGAR algorithm: 3.230s Time for refinements: 0.040s Average time for refinement: 0.040s Max time for refinement: 0.040s Counterexample-Check Algorithm statistics ----------------------------------------- Number of counterexample checks: 0 CPAchecker general statistics ----------------------------- Number of program locations: 968 Number of functions: 28 Number of loops: 1 Size of reached set: 3241 Number of reached locations: 940 (97%) Avg states per location: 3 Max states per location: 101 (at node N1) Number of reached functions: 28 (100%) Number of partitions: 3241 Avg size of partitions: 1 Max size of partitions: 1 Number of target states: 0 Time for analysis setup: 2.102s Time for loading CPAs: 0.600s Time for loading parser: 0.331s Time for CFA construction: 1.077s Time for parsing file(s): 0.314s Time for AST to CFA: 0.442s Time for CFA sanity check: 0.000s Time for post-processing: 0.232s Time for var class.: 0.000s Time for Analysis: 3.235s CPU time for analysis: 7.800s Total time for CPAchecker: 5.339s Total CPU time for CPAchecker: 10.860s Time for Garbage Collector: 0.025s (in 1 runs) Garbage Collector(s) used: PS MarkSweep, PS Scavenge Used heap memory: 529MB ( 504 MiB) max; 221MB ( 210 MiB) avg; 561MB ( 535 MiB) peak Used non-heap memory: 23MB ( 22 MiB) max; 18MB ( 17 MiB) avg; 23MB ( 22 MiB) peak Used in PS Old Gen pool: 0MB ( 0 MiB) max; 0MB ( 0 MiB) avg; 0MB ( 0 MiB) peak Allocated heap memory: 2024MB ( 1930 MiB) max; 2024MB ( 1930 MiB) avg Allocated non-heap memory: 25MB ( 24 MiB) max; 24MB ( 23 MiB) avg Total process virtual memory: 57054MB ( 54411 MiB) max; 57054MB ( 54411 MiB) avg Verification result: TRUE. No property violation found by chosen configuration. More details about the verification run can be found in the directory "./output".