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_3_true-unreach-call.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: 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: 4426 BDD entailment checks: 184 Number of SMT sat checks: 29 trivial: 0 cached: 0 Max ABE block size: 47 Number of predicates discovered: 129 Number of abstraction locations: 2 Max number of predicates per location: 128 Avg number of predicates per location: 65 Total predicates per abstraction: 1337 Max number of predicates per abstraction: 128 Avg number of predicates per abstraction: 46.10 Number of irrelevant predicates: 2 (0%) Number of preds handled by boolean abs: 1335 (100%) Total number of models for allsat: 379 Max number of models for allsat: 48 Avg number of models for allsat: 13.07 Number of path formula cache hits: 5188 (51%) Time for post operator: 0.862s Time for path formula creation: 0.781s Actual computation: 0.733s Time for strengthen operator: 0.115s Time for satisfiability checks: 0.098s Time for prec operator: 3.689s Time for abstraction: 3.670s (Max: 0.264s, Count: 30) Boolean abstraction: 2.569s Solving time: 0.598s (Max: 0.058s) Model enumeration time: 1.322s Time for BDD construction: 0.454s (Max: 0.101s) Time for merge operator: 0.308s Time for coverage check: 0.019s Time for BDD entailment checks: 0.018s Total time for SMT solver (w/o itp): 2.016s Number of BDD nodes: 2010 Size of BDD node table: 10007 Size of BDD node cleanup queue: 3017 (count: 3277, min: 0, max: 2650, avg: 0,92) Time for BDD node cleanup: 0.001s Time for BDD garbage collection: 0.132s (in 104 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: 0.093s Automaton transfers with branching: 0 Automaton transfer successors: 14144 (count: 14144, min: 1, max: 1, avg: 1,00) [1 x 14144] CPA algorithm statistics ------------------------ Number of iterations: 6881 Max size of waitlist: 119 Average size of waitlist: 53 Number of computed successors: 9134 Max successors for one state: 2 Number of times merged: 2121 Number of times stopped: 2122 Number of times breaked: 4 Total time for CPA algorithm: 6.467s (Max: 2.668s) Time for choose from waitlist: 0.055s Time for precision adjustment: 3.892s Time for transfer relation: 1.483s Time for merge operator: 0.558s Time for stop operator: 0.090s Time for adding to reached set: 0.163s Predicate-Abstraction Refiner statistics ---------------------------------------- Avg. length of target path (in blocks): 28 (count: 4, min: 2, max: 16, avg: 7,00) Time for refinement: 5.626s Counterexample analysis: 5.525s (Max: 2.917s, Calls: 4) Refinement sat check: 1.378s Interpolant computation: 4.122s Error path post-processing: 0.000s Path-formulas extraction: 0.000s Building the counterexample trace: 5.525s Extracting precise counterexample: 0.000s Predicate creation: 0.016s Precision update: 0.002s ARG update: 0.049s Length of refined path (in blocks): 26 (count: 3, min: 3, max: 16, avg: 8,67) Number of affected states: 15 (count: 3, min: 2, max: 7, avg: 5,00) Length (states) of path with itp 'true': 8 (count: 3, min: 0, max: 8, avg: 2,67) 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.: 3674 Max. size of reached set after ref.: 2035 Avg. size of reached set before ref.: 1460.00 Avg. size of reached set after ref.: 542.50 Total time for CEGAR algorithm: 12.102s Time for refinements: 5.632s Average time for refinement: 1.408s Max time for refinement: 2.964s Counterexample-Check Algorithm statistics ----------------------------------------- Number of counterexample checks: 0 CPAchecker general statistics ----------------------------- Number of program locations: 320 Number of functions: 2 Number of loops: 1 Size of reached set: 3343 Number of reached locations: 319 (100%) Avg states per location: 10 Max states per location: 13 (at node N0) Number of reached functions: 2 (100%) Number of partitions: 3331 Avg size of partitions: 1 Max size of partitions: 13 (with key [N126 (before line 127), Function ssl3_connect called from node N600, stack depth 2 [33f89c4e], stack [main, ssl3_connect], Init]) Number of target states: 0 Time for analysis setup: 1.387s Time for loading CPAs: 0.314s Time for loading parser: 0.469s Time for CFA construction: 0.569s Time for parsing file(s): 0.323s Time for AST to CFA: 0.107s Time for CFA sanity check: 0.000s Time for post-processing: 0.079s Time for var class.: 0.000s Time for Analysis: 12.105s CPU time for analysis: 12.080s Total time for CPAchecker: 13.493s Total CPU time for CPAchecker: 13.470s Time for Garbage Collector: 0.388s (in 7 runs) Garbage Collector(s) used: PS MarkSweep, PS Scavenge Used heap memory: 1008MB ( 961 MiB) max; 155MB ( 148 MiB) avg; 1031MB ( 984 MiB) peak Used non-heap memory: 24MB ( 23 MiB) max; 21MB ( 20 MiB) avg; 24MB ( 23 MiB) peak Used in PS Old Gen pool: 11MB ( 10 MiB) max; 1MB ( 1 MiB) avg; 11MB ( 10 MiB) peak Allocated heap memory: 1373MB ( 1309 MiB) max; 742MB ( 708 MiB) avg Allocated non-heap memory: 26MB ( 25 MiB) max; 25MB ( 23 MiB) avg Total process virtual memory: 4899MB ( 4672 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".