scripts/cpa.sh -heap 3000M -noout -disable-java-assertions -predicateAnalysis-PredAbsRefiner-ABEl -timelimit 900s -stats -spec test/programs/benchmarks/ssh-simplified/ALL.prp test/programs/benchmarks/ssh-simplified/s3_clnt_2_true-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) Stopping analysis ... (CPAchecker.runAlgorithm, INFO) PredicateCPA statistics ----------------------- Number of abstractions: 31 (0% of all post computations) Times abstraction was reused: 0 Because of function entry/exit: 0 (0%) Because of loop head: 31 (100%) Because of join nodes: 0 (0%) Because of threshold: 0 (0%) Times precision was empty: 1 (3%) Times precision was {false}: 0 (0%) Times result was cached: 0 (0%) Times cartesian abs was used: 0 (0%) Times boolean abs was used: 30 (97%) Times result was 'false': 0 (0%) Number of strengthen sat checks: 30 Times result was 'false': 26 (87%) Number of coverage checks: 4527 BDD entailment checks: 135 Number of SMT sat checks: 30 trivial: 0 cached: 0 Max ABE block size: 47 Number of predicates discovered: 102 Number of abstraction locations: 2 Max number of predicates per location: 101 Avg number of predicates per location: 51 Total predicates per abstraction: 1578 Max number of predicates per abstraction: 101 Avg number of predicates per abstraction: 52.60 Number of irrelevant predicates: 6 (0%) Number of preds handled by boolean abs: 1572 (100%) Total number of models for allsat: 407 Max number of models for allsat: 41 Avg number of models for allsat: 13.57 Number of path formula cache hits: 6215 (59%) Time for post operator: 1.190s Time for path formula creation: 1.085s Actual computation: 0.922s Time for strengthen operator: 0.126s Time for satisfiability checks: 0.056s Time for prec operator: 5.109s Time for abstraction: 5.104s (Max: 1.119s, Count: 31) Boolean abstraction: 3.817s Solving time: 0.603s (Max: 0.071s) Model enumeration time: 1.682s Time for BDD construction: 1.307s (Max: 0.986s) Time for merge operator: 0.373s Time for coverage check: 0.012s Time for BDD entailment checks: 0.010s Total time for SMT solver (w/o itp): 2.341s Number of BDD nodes: 5677 Size of BDD node table: 10007 Size of BDD node cleanup queue: 714 (count: 7633, min: 0, max: 365, avg: 0,09) Time for BDD node cleanup: 0.002s Time for BDD garbage collection: 0.079s (in 140 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: 0.164s Automaton transfers with branching: 0 Automaton transfer successors: 14330 (count: 14330, min: 1, max: 1, avg: 1,00) [1 x 14330] CPA algorithm statistics ------------------------ Number of iterations: 7095 Max size of waitlist: 107 Average size of waitlist: 42 Number of computed successors: 9429 Max successors for one state: 2 Number of times merged: 2196 Number of times stopped: 2197 Number of times breaked: 4 Total time for CPA algorithm: 8.728s (Max: 2.839s) Time for choose from waitlist: 0.112s Time for precision adjustment: 5.270s Time for transfer relation: 2.141s Time for merge operator: 0.689s Time for stop operator: 0.105s Time for adding to reached set: 0.164s Predicate-Abstraction Refiner statistics ---------------------------------------- Avg. length of target path (in blocks): 21 (count: 4, min: 2, max: 9, avg: 5,25) Time for refinement: 5.220s Counterexample analysis: 5.066s (Max: 2.780s, Calls: 4) Refinement sat check: 1.368s Interpolant computation: 3.644s Error path post-processing: 0.000s Path-formulas extraction: 0.000s Building the counterexample trace: 5.066s Extracting precise counterexample: 0.000s Predicate creation: 0.008s Precision update: 0.003s ARG update: 0.108s Length of refined path (in blocks): 19 (count: 3, min: 3, max: 9, avg: 6,33) Number of affected states: 16 (count: 3, min: 2, max: 8, avg: 5,33) Length (states) of path with itp 'true': 0 (count: 3, min: 0, max: 0, avg: 0,00) Length (states) of path with itp non-trivial itp: 16 (count: 3, min: 2, max: 8, avg: 5,33) Length (states) of path with itp 'false': 0 (count: 3, min: 0, max: 0, avg: 0,00) Different non-trivial interpolants along paths: 13 (count: 3, min: 1, max: 7, avg: 4,33) Equal non-trivial interpolants along paths: 0 (count: 3, 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: 4 Number of successful refinements: 4 Number of failed refinements: 0 Max. size of reached set before ref.: 1945 Max. size of reached set after ref.: 67 Avg. size of reached set before ref.: 1026.25 Avg. size of reached set after ref.: 50.50 Total time for CEGAR algorithm: 13.965s Time for refinements: 5.237s Average time for refinement: 1.309s Max time for refinement: 2.829s Counterexample-Check Algorithm statistics ----------------------------------------- Number of counterexample checks: 0 CPAchecker general statistics ----------------------------- Number of program locations: 319 Number of functions: 2 Number of loops: 1 Size of reached set: 3330 Number of reached locations: 318 (100%) Avg states per location: 10 Max states per location: 13 (at node N0) Number of reached functions: 2 (100%) Number of partitions: 3318 Avg size of partitions: 1 Max size of partitions: 13 (with key [N117 (before line 118), Function ssl3_connect called from node N582, stack depth 2 [41758e93], stack [main, ssl3_connect], Init]) Number of target states: 0 Time for analysis setup: 2.064s Time for loading CPAs: 0.482s Time for loading parser: 0.704s Time for CFA construction: 0.824s Time for parsing file(s): 0.436s Time for AST to CFA: 0.160s Time for CFA sanity check: 0.000s Time for post-processing: 0.115s Time for var class.: 0.000s Time for Analysis: 13.974s CPU time for analysis: 13.970s Total time for CPAchecker: 16.039s Total CPU time for CPAchecker: 16.030s Time for Garbage Collector: 0.304s (in 4 runs) Garbage Collector(s) used: PS MarkSweep, PS Scavenge Used heap memory: 425MB ( 405 MiB) max; 127MB ( 121 MiB) avg; 442MB ( 421 MiB) peak Used non-heap memory: 24MB ( 23 MiB) max; 21MB ( 20 MiB) avg; 24MB ( 23 MiB) peak Used in PS Old Gen pool: 0MB ( 0 MiB) max; 0MB ( 0 MiB) avg; 0MB ( 0 MiB) peak Allocated heap memory: 902MB ( 860 MiB) max; 625MB ( 596 MiB) avg Allocated non-heap memory: 26MB ( 24 MiB) max; 24MB ( 23 MiB) avg Total process virtual memory: 4901MB ( 4674 MiB) max; 4899MB ( 4672 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".