scripts/cpa.sh -heap 50000M -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_1_true-unreach-call.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) 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: 30 (0% of all post computations) Times abstraction was reused: 0 Because of function entry/exit: 0 (0%) Because of loop head: 30 (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: 29 (97%) Times result was 'false': 0 (0%) Number of strengthen sat checks: 29 Times result was 'false': 25 (86%) Number of coverage checks: 4378 BDD entailment checks: 128 Number of SMT sat checks: 29 trivial: 0 cached: 0 Max ABE block size: 47 Number of predicates discovered: 92 Number of abstraction locations: 2 Max number of predicates per location: 91 Avg number of predicates per location: 46 Total predicates per abstraction: 1416 Max number of predicates per abstraction: 91 Avg number of predicates per abstraction: 48.83 Number of irrelevant predicates: 5 (0%) Number of preds handled by boolean abs: 1411 (100%) Total number of models for allsat: 517 Max number of models for allsat: 61 Avg number of models for allsat: 17.83 Number of path formula cache hits: 5810 (57%) Time for post operator: 0.577s Time for path formula creation: 0.488s Actual computation: 0.452s Time for strengthen operator: 0.088s Time for satisfiability checks: 0.063s Time for prec operator: 2.079s Time for abstraction: 2.073s (Max: 0.212s, Count: 30) Boolean abstraction: 1.429s Solving time: 0.256s (Max: 0.063s) Model enumeration time: 0.864s Time for BDD construction: 0.211s (Max: 0.061s) Time for merge operator: 0.182s Time for coverage check: 0.008s Time for BDD entailment checks: 0.002s Total time for SMT solver (w/o itp): 1.182s Number of BDD nodes: 5587 Size of BDD node table: 10007 Size of BDD node cleanup queue: 10923 (count: 5568, min: 0, max: 10241, avg: 1,96) Time for BDD node cleanup: 0.010s Time for BDD garbage collection: 0.023s (in 153 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: 0.102s Automaton transfers with branching: 0 Automaton transfer successors: 13817 (count: 13817, min: 1, max: 1, avg: 1,00) [1 x 13817] CPA algorithm statistics ------------------------ Number of iterations: 6814 Max size of waitlist: 107 Average size of waitlist: 42 Number of computed successors: 9071 Max successors for one state: 2 Number of times merged: 2125 Number of times stopped: 2126 Number of times breaked: 4 Total time for CPA algorithm: 3.837s (Max: 1.518s) Time for choose from waitlist: 0.032s Time for precision adjustment: 2.153s Time for transfer relation: 1.039s Time for merge operator: 0.296s Time for stop operator: 0.069s Time for adding to reached set: 0.083s Predicate-Abstraction Refiner statistics ---------------------------------------- Avg. length of target path (in blocks): 20 (count: 4, min: 2, max: 8, avg: 5,00) Time for refinement: 1.833s Counterexample analysis: 1.766s (Max: 0.930s, Calls: 4) Refinement sat check: 0.466s Interpolant computation: 1.278s Error path post-processing: 0.000s Path-formulas extraction: 0.000s Building the counterexample trace: 1.766s Extracting precise counterexample: 0.000s Predicate creation: 0.009s Precision update: 0.004s ARG update: 0.036s Length of refined path (in blocks): 18 (count: 3, min: 3, max: 8, avg: 6,00) Number of affected states: 15 (count: 3, min: 2, max: 7, avg: 5,00) 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: 15 (count: 3, min: 2, max: 7, avg: 5,00) Length (states) of path with itp 'false': 0 (count: 3, min: 0, max: 0, avg: 0,00) Different non-trivial interpolants along paths: 12 (count: 3, min: 1, max: 6, avg: 4,00) 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.: 1690 Max. size of reached set after ref.: 67 Avg. size of reached set before ref.: 961.00 Avg. size of reached set after ref.: 50.50 Total time for CEGAR algorithm: 5.682s Time for refinements: 1.844s Average time for refinement: 0.461s Max time for refinement: 0.952s Counterexample-Check Algorithm statistics ----------------------------------------- Number of counterexample checks: 0 CPAchecker general statistics ----------------------------- Number of program locations: 317 Number of functions: 2 Number of loops: 1 Size of reached set: 3304 Number of reached locations: 316 (100%) Avg states per location: 10 Max states per location: 13 (at node N0) Number of reached functions: 2 (100%) Number of partitions: 3292 Avg size of partitions: 1 Max size of partitions: 13 (with key [N116 (before line 116), Function ssl3_connect called from node N579, stack depth 2 [15b346d0], stack [main, ssl3_connect], Init]) Number of target states: 0 Time for analysis setup: 1.703s Time for loading CPAs: 0.587s Time for loading parser: 0.336s Time for CFA construction: 0.685s Time for parsing file(s): 0.229s Time for AST to CFA: 0.256s Time for CFA sanity check: 0.000s Time for post-processing: 0.145s Time for var class.: 0.000s Time for Analysis: 5.686s CPU time for analysis: 12.110s Total time for CPAchecker: 7.392s Total CPU time for CPAchecker: 14.620s Time for Garbage Collector: 0.065s (in 3 runs) Garbage Collector(s) used: PS MarkSweep, PS Scavenge Used heap memory: 548MB ( 523 MiB) max; 240MB ( 228 MiB) avg; 557MB ( 531 MiB) peak Used non-heap memory: 24MB ( 23 MiB) max; 20MB ( 19 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: 2024MB ( 1930 MiB) max; 2024MB ( 1930 MiB) avg Allocated non-heap memory: 25MB ( 24 MiB) max; 24MB ( 23 MiB) avg Total process virtual memory: 57056MB ( 54413 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".