cpachecker/bin/cpachecker --svcomp24 --heap 10000M --benchmark --option cpa.arg.yamlProofWitness=witness-%s.yml --option witness.yamlexporter.witnessVersions=V2d1,V2 --timelimit 900s --stats --spec sv-benchmarks/c/properties/unreach-call.prp --32 sv-benchmarks/c/loops-crafted-1/sumt3.c -------------------------------------------------------------------------------- Running CPAchecker with Java heap of size 10000M. Running CPAchecker with default stack size (1024k). Specify a larger value with --stack if needed. Language C detected and set for analysis (CPAMain.detectFrontendLanguageIfNecessary, INFO) Using the following resource limits: CPU-time limit of 900s (ResourceLimitChecker.fromConfiguration, INFO) CPAchecker 3.1-svn-5f8d539e99+ / svcomp24 (OpenJDK 64-Bit Server VM 17.0.9) started (CPAchecker.run, INFO) Parsing CFA from file(s) "sv-benchmarks/c/loops-crafted-1/sumt3.c" (CPAchecker.parse, INFO) Using heuristics to select analysis (CoreComponentsFactory.createAlgorithm, INFO) The following configuration options were specified but are not used: cpa.callstack.unsupportedFunctions termination.violation.witness cpa.predicate.memoryAllocationsAlwaysSucceed cpa.arg.compressWitness cpa.arg.yamlProofWitness cpa.callstack.skipFunctionPointerRecursion counterexample.export.yaml cpa.composite.aggregateBasicBlocks counterexample.export.graphml counterexample.export.compressWitness cpa.arg.proofWitness witness.yamlexporter.witnessVersions (CPAchecker.printConfigurationWarnings, WARNING) Starting analysis ... (CPAchecker.runAlgorithm, INFO) Performing heuristic ... (SelectionAlgorithm.chooseConfig, INFO) Using the following resource limits: CPU-time limit of 900s (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:ResourceLimitChecker.fromConfiguration, INFO) Using Restarting Algorithm (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:CoreComponentsFactory.createAlgorithm, INFO) Loading analysis 1 from file /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-symbolicExecution.properties ... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:RestartAlgorithm.run, INFO) Mismatch of configuration options when loading from '/storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-symbolicExecution.properties': 'cpa.composite.aggregateBasicBlocks' has two values 'false' and 'true'. Using 'true'. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:NestingAlgorithm.checkConfigs, INFO) Mismatch of configuration options when loading from '/storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-symbolicExecution.properties': 'limits.time.cpu' has two values '900s' and '140s'. Using '140s'. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:NestingAlgorithm.checkConfigs, INFO) Mismatch of configuration options when loading from '/storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-symbolicExecution.properties': 'limits.time.cpu::required' has two values '900' and '140s'. Using '140s'. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:NestingAlgorithm.checkConfigs, INFO) Using the following resource limits: CPU-time limit of 140s (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-symbolicExecution.properties:ResourceLimitChecker.fromConfiguration, INFO) Starting analysis 1 ... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:RestartAlgorithm.run, INFO) Warning: Analysis 1 stopped. (The CPU-time limit of 140s has elapsed.) (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:ShutdownNotifier.shutdownIfNecessary, WARNING) Statistics for algorithm 1 of 7 =============================== Total time for algorithm 1: 134.923s ValueAnalysisCPA statistics --------------------------- Number of variables per state: 5.93 (sum: 121692, count: 20535, min: 0, max: 7) Number of global variables per state: 1.00 (sum: 20533, count: 20535, min: 0, max: 1) Number of assumptions: 19028 Number of deterministic assumptions: 0 Level of Determinism: 0% ValueAnalysisPrecisionAdjustment statistics ------------------------------------------- Number of abstraction computations: 20534 Total time for liveness abstraction: 0.000s Total time for abstraction computation: 0.027s Total time for path thresholds: 0.000s SymbolicValueAnalysisPrecisionAdjustment statistics --------------------------------------------------- Symbolic values before refinement: 19039 (count: 20534, min: 0, max: 4, avg: 0.93) Symbolic values after refinement: 19039 (count: 20534, min: 0, max: 4, avg: 0.93) ConstraintsStrengthenOperator statistics ---------------------------------------- Total time for strengthening by ConstraintsCPA: 0.002s Replaced symbolic expressions: 0 ConstraintsCPA statistics ------------------------- Time for solving constraints: 102.166s Time for SMT check: 77.511s Time for resolving definites: 9.751s Cache lookups: 11018 Direct cache hits: 8009 Direct cache lookup time: 0.130s Number of removed outdated constraints: 0 (count: 7013, min: 0, max: 0, avg: 0.00) Time for outdated constraint removal: 3.345s Constraints after refinement in state: 15446823 (count: 20534, min: 0, max: 1503, avg: 752.26) Constraints before refinement in state: 15446823 (count: 20534, min: 0, max: 1503, avg: 752.26) Time for constraints adjustment: 2.441s AutomatonAnalysis (SVCOMP) statistics ------------------------------------- Number of states: 1 Total time for successor computation: 0.056s Automaton transfers with branching: 0 Automaton transfer successors: 1.00 (sum: 20553, count: 20553, min: 1, max: 1) [1 x 20553] Number of states with assumption transitions: 0 CPA algorithm statistics ------------------------ Number of iterations: 20534 Max size of waitlist: 3 Average size of waitlist: 2 Number of computed successors: 20534 Max successors for one state: 2 Number of times merged: 0 Number of times stopped: 0 Number of times breaked: 0 Total time for CPA algorithm: 134.767s (Max: 134.767s) Time for choose from waitlist: 0.019s Time for precision adjustment: 2.620s Time for transfer relation: 107.365s Time for stop operator: 24.606s Time for adding to reached set: 0.039s Counterexample-Check Algorithm statistics ----------------------------------------- Number of counterexample checks: 0 CPA algorithm statistics ------------------------ Number of iterations: 20534 Max size of waitlist: 3 Average size of waitlist: 2 Number of computed successors: 20534 Max successors for one state: 2 Number of times merged: 0 Number of times stopped: 0 Number of times breaked: 0 Total time for CPA algorithm: 134.767s (Max: 134.767s) Time for choose from waitlist: 0.019s Time for precision adjustment: 2.620s Time for transfer relation: 107.365s Time for stop operator: 24.606s Time for adding to reached set: 0.039s Counterexample-Check Algorithm statistics ----------------------------------------- Number of counterexample checks: 0 RestartAlgorithm switches to the next configuration... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:RestartAlgorithm.run, INFO) Loading analysis 2 from file /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-valueAnalysis-Cegar.properties ... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:RestartAlgorithm.run, INFO) Mismatch of configuration options when loading from '/storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-valueAnalysis-Cegar.properties': 'cpa.composite.aggregateBasicBlocks' has two values 'false' and 'true'. Using 'true'. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:NestingAlgorithm.checkConfigs, INFO) Mismatch of configuration options when loading from '/storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-valueAnalysis-Cegar.properties': 'limits.time.cpu' has two values '900s' and '60s'. Using '60s'. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:NestingAlgorithm.checkConfigs, INFO) Mismatch of configuration options when loading from '/storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-valueAnalysis-Cegar.properties': 'limits.time.cpu::required' has two values '900' and '60s'. Using '60s'. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:NestingAlgorithm.checkConfigs, INFO) Using the following resource limits: CPU-time limit of 60s (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-valueAnalysis-Cegar.properties:ResourceLimitChecker.fromConfiguration, INFO) Starting analysis 2 ... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:RestartAlgorithm.run, INFO) Warning: Analysis 2 stopped. (The CPU-time limit of 60s has elapsed.) (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:ShutdownNotifier.shutdownIfNecessary, WARNING) Statistics for algorithm 2 of 7 =============================== Total time for algorithm 2: 57.687s ValueAnalysisCPA statistics --------------------------- Number of variables per state: 4.24 (sum: 359532, count: 84864, min: 0, max: 5) Number of global variables per state: 0.00 (sum: 0, count: 84864, min: 0, max: 0) Number of assumptions: 84868 Number of deterministic assumptions: 0 Level of Determinism: 0% ValueAnalysisPrecisionAdjustment statistics ------------------------------------------- Number of abstraction computations: 91590 Total time for liveness abstraction: 0.000s Total time for abstraction computation: 0.072s Total time for path thresholds: 0.000s ConstraintsStrengthenOperator statistics ---------------------------------------- Total time for strengthening by ConstraintsCPA: 0.000s Replaced symbolic expressions: 0 AutomatonAnalysis (SVCOMP) statistics ------------------------------------- Number of states: 1 Total time for successor computation: 0.074s Automaton transfers with branching: 0 Automaton transfer successors: 1.00 (sum: 91624, count: 91624, min: 1, max: 1) [1 x 91624] Number of states with assumption transitions: 0 CPA algorithm statistics ------------------------ Number of iterations: 84886 Max size of waitlist: 5 Average size of waitlist: 2 Number of computed successors: 91590 Max successors for one state: 2 Number of times merged: 0 Number of times stopped: 6701 Number of times breaked: 1 Total time for CPA algorithm: 57.602s (Max: 57.590s) Time for choose from waitlist: 0.159s Time for precision adjustment: 0.203s Time for transfer relation: 0.858s Time for stop operator: 56.041s Time for adding to reached set: 0.200s ValueAnalysisRefiner statistics ------------------------------- Number of refinements: 1 Number of targets found: 1 (count: 1, min: 1, max: 1, avg: 1.00) Time for completing refinement: 0.026s Number of root relocations: 0 Number of similar, repeated refinements: 0 Number of unique precision increments: 1 PathExtractor statistics ------------------------ Total number of targets found: 0 ValueAnalysisPathInterpolator statistics ---------------------------------------- Time for interpolation: 0.003s Number of interpolations: 1 Number of interpolation queries: 18 (count: 9, min: 0, max: 5, avg: 2.00) Size of interpolant: 1.56 (sum: 14, count: 9, min: 0, max: 4) Number of sliced prefixes: 1 (count: 1, min: 1, max: 1, avg: 1.00) Extracting infeasible sliced prefixes: 0.006s Selecting infeasible sliced prefixes: 0.001s CEGAR algorithm statistics -------------------------- Number of CEGAR refinements: 1 Number of successful refinements: 1 Number of failed refinements: 0 Max. size of reached set before ref.: 27 Max. size of reached set after ref.: 1 Avg. size of reached set before ref.: 27.00 Avg. size of reached set after ref.: 1.00 Total time for CEGAR algorithm: 57.638s Time for refinements: 0.036s Average time for refinement: 0.036s Max time for refinement: 0.036s Counterexample-Check Algorithm statistics ----------------------------------------- Number of counterexample checks: 0 CPA algorithm statistics ------------------------ Number of iterations: 84886 Max size of waitlist: 5 Average size of waitlist: 2 Number of computed successors: 91590 Max successors for one state: 2 Number of times merged: 0 Number of times stopped: 6701 Number of times breaked: 1 Total time for CPA algorithm: 57.602s (Max: 57.590s) Time for choose from waitlist: 0.159s Time for precision adjustment: 0.203s Time for transfer relation: 0.858s Time for stop operator: 56.041s Time for adding to reached set: 0.200s ValueAnalysisRefiner statistics ------------------------------- Number of refinements: 1 Number of targets found: 1 (count: 1, min: 1, max: 1, avg: 1.00) Time for completing refinement: 0.026s Number of root relocations: 0 Number of similar, repeated refinements: 0 Number of unique precision increments: 1 PathExtractor statistics ------------------------ Total number of targets found: 0 ValueAnalysisPathInterpolator statistics ---------------------------------------- Time for interpolation: 0.003s Number of interpolations: 1 Number of interpolation queries: 18 (count: 9, min: 0, max: 5, avg: 2.00) Size of interpolant: 1.56 (sum: 14, count: 9, min: 0, max: 4) Number of sliced prefixes: 1 (count: 1, min: 1, max: 1, avg: 1.00) Extracting infeasible sliced prefixes: 0.006s Selecting infeasible sliced prefixes: 0.001s CEGAR algorithm statistics -------------------------- Number of CEGAR refinements: 1 Number of successful refinements: 1 Number of failed refinements: 0 Max. size of reached set before ref.: 27 Max. size of reached set after ref.: 1 Avg. size of reached set before ref.: 27.00 Avg. size of reached set after ref.: 1.00 Total time for CEGAR algorithm: 57.638s Time for refinements: 0.036s Average time for refinement: 0.036s Max time for refinement: 0.036s Counterexample-Check Algorithm statistics ----------------------------------------- Number of counterexample checks: 0 RestartAlgorithm switches to the next configuration... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:RestartAlgorithm.run, INFO) Loading analysis 3 from file /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-predicateAnalysis.properties ... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:RestartAlgorithm.run, INFO) Mismatch of configuration options when loading from '/storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-predicateAnalysis.properties': 'cpa.composite.aggregateBasicBlocks' has two values 'false' and 'true'. Using 'true'. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:NestingAlgorithm.checkConfigs, INFO) Mismatch of configuration options when loading from '/storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-predicateAnalysis.properties': 'limits.time.cpu' has two values '900s' and '200s'. Using '200s'. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:NestingAlgorithm.checkConfigs, INFO) Mismatch of configuration options when loading from '/storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-predicateAnalysis.properties': 'limits.time.cpu::required' has two values '900' and '200s'. Using '200s'. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:NestingAlgorithm.checkConfigs, INFO) Using the following resource limits: CPU-time limit of 200s (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-predicateAnalysis.properties:ResourceLimitChecker.fromConfiguration, INFO) Using predicate analysis with MathSAT5 version 5.6.10 (9293adc746be) (May 31 2023 12:38:06, gmp 6.2.0, gcc 7.5.0, 64-bit, reentrant) and JFactory 1.21. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-predicateAnalysis.properties:PredicateCPA:PredicateCPA., INFO) Using refinement for predicate analysis with PredicateAbstractionRefinementStrategy strategy. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-predicateAnalysis.properties:PredicateCPA:PredicateCPARefiner., INFO) Starting analysis 3 ... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:RestartAlgorithm.run, INFO) Warning: Analysis 3 stopped. (The CPU-time limit of 200s has elapsed.) (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:ShutdownNotifier.shutdownIfNecessary, WARNING) Statistics for algorithm 3 of 7 =============================== Total time for algorithm 3: 198.724s PredicateCPA statistics ----------------------- Number of abstractions: 155 (9% of all post computations) Times abstraction was reused: 0 Because of function entry/exit: 0 (0%) Because of loop head: 78 (50%) Because of join nodes: 0 (0%) Because of threshold: 0 (0%) Because of target state: 77 (50%) Times precision was empty: 4 (3%) Times precision was {false}: 75 (48%) Times result was cached: 0 (0%) Times cartesian abs was used: 0 (0%) Times boolean abs was used: 76 (49%) Times result was 'false': 66 (43%) Number of strengthen sat checks: 0 Number of coverage checks: 894 BDD entailment checks: 630 Number of SMT sat checks: 0 trivial: 0 cached: 0 Max ABE block size: 12 Avg ABE block size: 4.55 (sum: 705, count: 155, min: 3, max: 12) Number of predicates discovered: 80 Number of abstraction locations: 2 Max number of predicates per location: 79 Avg number of predicates per location: 40 Total predicates per abstraction: 3992 Max number of predicates per abstraction: 79 Avg number of predicates per abstraction: 26.44 Number of irrelevant predicates: 136 (3%) Number of preds handled by boolean abs: 3856 (97%) Total number of models for allsat: 249 Max number of models for allsat: 5 Avg number of models for allsat: 3.28 Time for post operator: 0.063s Time for path formula creation: 0.061s Time for strengthen operator: 0.008s Time for prec operator: 156.270s Time for abstraction: 156.251s (Max: 80.962s, Count: 155) Boolean abstraction: 154.580s Solving time: 3.316s (Max: 0.181s) Model enumeration time: 152.183s Time for BDD construction: 0.117s (Max: 0.006s) Time for merge operator: 0.007s Time for coverage checks: 0.006s Time for BDD entailment checks: 0.006s Total time for SMT solver (w/o itp): 155.500s Number of path formula cache hits: 1460 (80%) Inside post operator: Inside path formula creation: Time for path formula computation: 0.054s Total number of created targets for pointer analysis: 0 Number of BDD nodes: 254736 Size of BDD node table: 524309 Size of BDD cache: 52433 Size of BDD node cleanup queue: 0.20 (sum: 1909, count: 9419, min: 0, max: 1909) Time for BDD node cleanup: 0.001s Time for BDD garbage collection: 0.000s (in 0 runs) KeyValue statistics ------------------- Init. function predicates: 0 Init. global predicates: 0 Init. location predicates: 0 Invariant Generation statistics ------------------------------- AutomatonAnalysis (SVCOMP) statistics ------------------------------------- Number of states: 1 Total time for successor computation: 0.014s Automaton transfers with branching: 0 Automaton transfer successors: 1.00 (sum: 1664, count: 1664, min: 1, max: 1) [1 x 1664] Number of states with assumption transitions: 0 CPA algorithm statistics ------------------------ Number of iterations: 1409 Max size of waitlist: 4 Average size of waitlist: 2 ReversePostorderSortedWaitlist: 0.00 (sum: 1, count: 573, min: 0, max: 1) CallstackSortedWaitlist: 281.42 (sum: 3377, count: 12, min: 7, max: 836) Number of computed successors: 1630 Max successors for one state: 2 Number of times merged: 132 Number of times stopped: 132 Number of times breaked: 11 Total time for CPA algorithm: 156.457s (Max: 153.763s) Time for choose from waitlist: 0.005s Time for precision adjustment: 156.277s Time for transfer relation: 0.120s Time for merge operator: 0.027s Time for stop operator: 0.006s Time for adding to reached set: 0.016s Static Predicate Refiner statistics ----------------------------------- Number of predicates found statically: 1 (count: 1, min: 1, max: 1, avg: 1.00) Total time for static refinement: 0.008s Time for path feasibility check: 0.002s Time for predicate extraction from CFA: 0.005s Time for ARG update: 0.000s PredicateCPARefiner statistics ------------------------------ Number of predicate refinements: 10 Avg. length of target path (in blocks): 7.10 (sum: 71, count: 10, min: 2, max: 12) Number of infeasible sliced prefixes: 0 (count: 0, min: 0, max: 0, avg: 0.00) Time for refinement: 42.179s Path-formulas extraction: 0.000s Counterexample analysis: 42.143s (Max: 12.214s, Calls: 11) Refinement sat check: 41.732s Interpolant computation: 0.140s Predicate-Abstraction Refiner statistics ---------------------------------------- Predicate creation: 0.015s Precision update: 0.009s ARG update: 0.008s Length of refined path (in blocks): 7.10 (sum: 71, count: 10, min: 2, max: 12) Number of affected states: 61 (count: 10, min: 1, max: 11, avg: 6.10) Length (states) of path with itp 'true': 0 (count: 10, min: 0, max: 0, avg: 0.00) Length (states) of path with itp non-trivial itp: 61 (count: 10, min: 1, max: 11, avg: 6.10) Length (states) of path with itp 'false': 0 (count: 10, min: 0, max: 0, avg: 0.00) Different non-trivial interpolants along paths: 51 (count: 10, min: 0, max: 10, avg: 5.10) Equal non-trivial interpolants along paths: 0 (count: 10, min: 0, max: 0, avg: 0.00) Number of refs with location-based cutoff: 0 CEGAR algorithm statistics -------------------------- Number of CEGAR refinements: 11 Number of successful refinements: 11 Number of failed refinements: 0 Max. size of reached set before ref.: 216 Max. size of reached set after ref.: 7 Avg. size of reached set before ref.: 108.73 Avg. size of reached set after ref.: 6.45 Total time for CEGAR algorithm: 198.651s Time for refinements: 42.193s Average time for refinement: 3.835s Max time for refinement: 12.220s CPA algorithm statistics ------------------------ Number of iterations: 1409 Max size of waitlist: 4 Average size of waitlist: 2 ReversePostorderSortedWaitlist: 0.00 (sum: 1, count: 573, min: 0, max: 1) CallstackSortedWaitlist: 281.42 (sum: 3377, count: 12, min: 7, max: 836) Number of computed successors: 1630 Max successors for one state: 2 Number of times merged: 132 Number of times stopped: 132 Number of times breaked: 11 Total time for CPA algorithm: 156.457s (Max: 153.763s) Time for choose from waitlist: 0.005s Time for precision adjustment: 156.277s Time for transfer relation: 0.120s Time for merge operator: 0.027s Time for stop operator: 0.006s Time for adding to reached set: 0.016s Static Predicate Refiner statistics ----------------------------------- Number of predicates found statically: 1 (count: 1, min: 1, max: 1, avg: 1.00) Total time for static refinement: 0.008s Time for path feasibility check: 0.002s Time for predicate extraction from CFA: 0.005s Time for ARG update: 0.000s PredicateCPARefiner statistics ------------------------------ Number of predicate refinements: 10 Avg. length of target path (in blocks): 7.10 (sum: 71, count: 10, min: 2, max: 12) Number of infeasible sliced prefixes: 0 (count: 0, min: 0, max: 0, avg: 0.00) Time for refinement: 42.179s Path-formulas extraction: 0.000s Counterexample analysis: 42.143s (Max: 12.214s, Calls: 11) Refinement sat check: 41.732s Interpolant computation: 0.140s Predicate-Abstraction Refiner statistics ---------------------------------------- Predicate creation: 0.015s Precision update: 0.009s ARG update: 0.008s Length of refined path (in blocks): 7.10 (sum: 71, count: 10, min: 2, max: 12) Number of affected states: 61 (count: 10, min: 1, max: 11, avg: 6.10) Length (states) of path with itp 'true': 0 (count: 10, min: 0, max: 0, avg: 0.00) Length (states) of path with itp non-trivial itp: 61 (count: 10, min: 1, max: 11, avg: 6.10) Length (states) of path with itp 'false': 0 (count: 10, min: 0, max: 0, avg: 0.00) Different non-trivial interpolants along paths: 51 (count: 10, min: 0, max: 10, avg: 5.10) Equal non-trivial interpolants along paths: 0 (count: 10, min: 0, max: 0, avg: 0.00) Number of refs with location-based cutoff: 0 CEGAR algorithm statistics -------------------------- Number of CEGAR refinements: 11 Number of successful refinements: 11 Number of failed refinements: 0 Max. size of reached set before ref.: 216 Max. size of reached set after ref.: 7 Avg. size of reached set before ref.: 108.73 Avg. size of reached set after ref.: 6.45 Total time for CEGAR algorithm: 198.651s Time for refinements: 42.193s Average time for refinement: 3.835s Max time for refinement: 12.220s RestartAlgorithm switches to the next configuration... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:RestartAlgorithm.run, INFO) Loading analysis 4 from file /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-dataFlow.properties ... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:RestartAlgorithm.run, INFO) Mismatch of configuration options when loading from '/storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-dataFlow.properties': 'limits.time.cpu' has two values '900s' and '60s'. Using '60s'. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:NestingAlgorithm.checkConfigs, INFO) Mismatch of configuration options when loading from '/storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-dataFlow.properties': 'limits.time.cpu::required' has two values '900' and '60s'. Using '60s'. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:NestingAlgorithm.checkConfigs, INFO) Using the following resource limits: CPU-time limit of 60s (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-dataFlow.properties:ResourceLimitChecker.fromConfiguration, INFO) Starting analysis 4 ... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:RestartAlgorithm.run, INFO) Warning: Analysis 4 stopped. (The CPU-time limit of 60s has elapsed.) (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:ShutdownNotifier.shutdownIfNecessary, WARNING) Statistics for algorithm 4 of 7 =============================== Total time for algorithm 4: 54.397s AutomatonAnalysis (SVCOMP) statistics ------------------------------------- Number of states: 1 Total time for successor computation: 0.042s Automaton transfers with branching: 0 Automaton transfer successors: 1.00 (sum: 23650, count: 23650, min: 1, max: 1) [1 x 23650] Number of states with assumption transitions: 0 CPA algorithm statistics ------------------------ Number of iterations: 21784 Max size of waitlist: 3 Average size of waitlist: 1 ReversePostorderSortedWaitlist: 4972.00 (sum: 4972, count: 1, min: 4972, max: 4972) Number of computed successors: 23650 Max successors for one state: 2 Number of times merged: 0 Number of times stopped: 1865 Number of times breaked: 0 Total time for CPA algorithm: 54.343s (Max: 54.343s) Time for choose from waitlist: 0.020s Time for precision adjustment: 0.055s Time for transfer relation: 1.803s Time for merge operator: 38.205s Time for stop operator: 14.083s Time for adding to reached set: 0.091s CPA algorithm statistics ------------------------ Number of iterations: 21784 Max size of waitlist: 3 Average size of waitlist: 1 ReversePostorderSortedWaitlist: 4972.00 (sum: 4972, count: 1, min: 4972, max: 4972) Number of computed successors: 23650 Max successors for one state: 2 Number of times merged: 0 Number of times stopped: 1865 Number of times breaked: 0 Total time for CPA algorithm: 54.343s (Max: 54.343s) Time for choose from waitlist: 0.020s Time for precision adjustment: 0.055s Time for transfer relation: 1.803s Time for merge operator: 38.205s Time for stop operator: 14.083s Time for adding to reached set: 0.091s RestartAlgorithm switches to the next configuration... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:RestartAlgorithm.run, INFO) Loading analysis 5 from file /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-IMC.properties ... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:RestartAlgorithm.run, INFO) Mismatch of configuration options when loading from '/storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-IMC.properties': 'limits.time.cpu::required' has two values '900' and ''. Using ''. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:NestingAlgorithm.checkConfigs, INFO) Using the following resource limits: CPU-time limit of 900s (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-IMC.properties:ResourceLimitChecker.fromConfiguration, INFO) Using predicate analysis with MathSAT5 version 5.6.10 (9293adc746be) (May 31 2023 12:38:06, gmp 6.2.0, gcc 7.5.0, 64-bit, reentrant). (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-IMC.properties:PredicateCPA:PredicateCPA., INFO) Starting analysis 5 ... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:RestartAlgorithm.run, INFO) Adjusting maxLoopIterations to 2 (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-IMC.properties:LoopBoundCPA:LoopBoundPrecisionAdjustment.nextState, INFO) The current image reaches a fixed point (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-IMC.properties:IMCAlgorithm.reachFixedPointByInterpolation, INFO) Ignoring restart configuration '/storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--recursion.properties' because condition if-recursive did not match. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:RestartAlgorithm.skipNextAnalysesIfRequired, INFO) Ignoring restart configuration '/storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--concurrency.properties' because condition if-concurrent did not match. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:RestartAlgorithm.skipNextAnalysesIfRequired, INFO) Stopping analysis ... (CPAchecker.runAlgorithm, INFO) Selection Algorithm statistics ------------------------------ Size of preliminary analysis reached set: 0 Used algorithm property: /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties Program containing only relevant bools: 0 Relevant boolean vars / relevant vars ratio: 0.1000 Requires alias handling: 0 Requires loop handling: 1 Has a single loop: 1 Requires composite-type handling: 0 Requires array handling: 0 Requires float handling: 0 Requires recursion handling: 0 Relevant addressed vars / relevant vars ratio: 0.0000 Program containing external functions: true Number of all righthand side functions: 5 Restart Algorithm statistics ---------------------------- Number of algorithms provided: 7 Number of algorithms used: 7 Last algorithm used: /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--concurrency.properties Total time for algorithm 7: 2.578s PredicateCPA statistics ----------------------- Number of abstractions: 6 (8% of all post computations) Times abstraction was reused: 0 Because of function entry/exit: 0 (0%) Because of loop head: 4 (67%) Because of join nodes: 0 (0%) Because of threshold: 0 (0%) Because of target state: 2 (33%) Times precision was empty: 6 (100%) Times precision was {false}: 0 (0%) Times result was cached: 0 (0%) Times cartesian abs was used: 0 (0%) Times boolean abs was used: 0 (0%) Times result was 'false': 0 (0%) Number of strengthen sat checks: 0 Number of coverage checks: 8 BDD entailment checks: 0 Number of SMT sat checks: 4 trivial: 0 cached: 0 Max ABE block size: 12 Avg ABE block size: 5.50 (sum: 33, count: 6, min: 3, max: 12) Number of predicates discovered: 0 Time for post operator: 0.005s Time for path formula creation: 0.005s Time for strengthen operator: 0.000s Time for prec operator: 0.000s Time for abstraction: 0.000s (Max: 0.000s, Count: 6) Solving time: 0.000s (Max: 0.000s) Model enumeration time: 0.000s Time for BDD construction: 0.000s (Max: 0.000s) Time for merge operator: 0.000s Time for coverage checks: 0.000s Total time for SMT solver (w/o itp): 0.007s Total number of created targets for pointer analysis: 0 KeyValue statistics ------------------- Init. function predicates: 0 Init. global predicates: 0 Init. location predicates: 0 Invariant Generation statistics ------------------------------- Bounds CPA statistics --------------------- Bound k: 2 Maximum loop iteration reached: 3 AutomatonAnalysis (SVCOMP) statistics ------------------------------------- Number of states: 1 Total time for successor computation: 0.001s Automaton transfers with branching: 0 Automaton transfer successors: 0.97 (sum: 71, count: 73, min: 0, max: 1) [0 x 2, 1 x 71] Number of states with assumption transitions: 0 CPA algorithm statistics ------------------------ Number of iterations: 69 Max size of waitlist: 3 Average size of waitlist: 1 LoopstackSortedWaitlist: 0.45 (sum: 17, count: 38, min: 0, max: 7) ReversePostorderSortedWaitlist: 0.00 (sum: 0, count: 39, min: 0, max: 0) LoopIterationSortedWaitlist: 0.42 (sum: 16, count: 38, min: 0, max: 6) CallstackSortedWaitlist: 25.00 (sum: 50, count: 2, min: 19, max: 31) Number of computed successors: 71 Max successors for one state: 2 Number of times merged: 4 Number of times stopped: 4 Number of times breaked: 0 Total time for CPA algorithm: 0.015s (Max: 0.009s) Time for choose from waitlist: 0.000s Time for precision adjustment: 0.001s Time for transfer relation: 0.012s Time for merge operator: 0.002s Time for stop operator: 0.000s Time for adding to reached set: 0.000s BMC algorithm statistics ------------------------ Time for BMC formula creation: 0.018s Time for final sat check: 0.024s Time for bounding assertions check: 0.002s Time for collecting formulas for interpolation: 0.002s Time for computing fixed-point by interpolation: 2.493s Total number of computed interpolants: 2 Total number of interpolation calls: 2 Total number of atoms in interpolants: 2 Avg. #atoms in itp: 1 Min. #atoms in itp: 1 Max. #atoms in itp: 1 Total number of vars in interpolants: 8 Avg. #vars in itp: 4 Min. #vars in itp: 4 Max. #vars in itp: 4 Fixed-point convergence length: 2 Interpolating SMT solver statistics ----------------------------------- Counterexample analysis: 2.484s (Max: 2.461s, Calls: 2) Refinement sat check: 2.483s Reused formulas on solver stack: 2 (Avg: 1.00) Interpolant computation: 0.001s CPA algorithm statistics ------------------------ Number of iterations: 69 Max size of waitlist: 3 Average size of waitlist: 1 LoopstackSortedWaitlist: 0.45 (sum: 17, count: 38, min: 0, max: 7) ReversePostorderSortedWaitlist: 0.00 (sum: 0, count: 39, min: 0, max: 0) LoopIterationSortedWaitlist: 0.42 (sum: 16, count: 38, min: 0, max: 6) CallstackSortedWaitlist: 25.00 (sum: 50, count: 2, min: 19, max: 31) Number of computed successors: 71 Max successors for one state: 2 Number of times merged: 4 Number of times stopped: 4 Number of times breaked: 0 Total time for CPA algorithm: 0.015s (Max: 0.009s) Time for choose from waitlist: 0.000s Time for precision adjustment: 0.001s Time for transfer relation: 0.012s Time for merge operator: 0.002s Time for stop operator: 0.000s Time for adding to reached set: 0.000s BMC algorithm statistics ------------------------ Time for BMC formula creation: 0.018s Time for final sat check: 0.024s Time for bounding assertions check: 0.002s Time for collecting formulas for interpolation: 0.002s Time for computing fixed-point by interpolation: 2.493s Total number of computed interpolants: 2 Total number of interpolation calls: 2 Total number of atoms in interpolants: 2 Avg. #atoms in itp: 1 Min. #atoms in itp: 1 Max. #atoms in itp: 1 Total number of vars in interpolants: 8 Avg. #vars in itp: 4 Min. #vars in itp: 4 Max. #vars in itp: 4 Fixed-point convergence length: 2 Interpolating SMT solver statistics ----------------------------------- Counterexample analysis: 2.484s (Max: 2.461s, Calls: 2) Refinement sat check: 2.483s Reused formulas on solver stack: 2 (Avg: 1.00) Interpolant computation: 0.001s CPAchecker general statistics ----------------------------- Number of program locations: 58 Number of CFA edges (per node): 57 (count: 58, min: 0, max: 2, avg: 0.98) Number of relevant variables: 10 Number of functions: 4 Number of loops (and loop nodes): 1 (sum: 11, min: 11, max: 11, avg: 11.00) Size of reached set: 65 Number of reached locations: 43 (74%) Avg states per location: 1 Max states per location: 3 (at node N19) Number of reached functions: 2 (50%) Number of target states: 0 Time for analysis setup: 0.900s Time for loading CPAs: 0.262s Time for loading parser: 0.158s Time for CFA construction: 0.445s Time for parsing file(s): 0.218s Time for AST to CFA: 0.109s Time for CFA sanity check: 0.000s Time for post-processing: 0.087s Time for loop structure: 0.004s Time for AST structure: 0.000s Time for function pointers resolving: 0.002s Function calls via function pointers: 0 (count: 1, min: 0, max: 0, avg: 0.00) Instrumented function pointer calls: 0 (count: 1, min: 0, max: 0, avg: 0.00) Function calls with function pointer arguments: 0 (count: 1, min: 0, max: 0, avg: 0.00) Instrumented function pointer arguments: 0 (count: 1, min: 0, max: 0, avg: 0.00) Time for classifying variables: 0.055s Time for collecting variables: 0.035s Time for solving dependencies: 0.001s Time for building hierarchy: 0.000s Time for building classification: 0.019s Time for exporting data: 0.000s Time for Analysis: 448.590s CPU time for analysis: 464.190s Time for analyzing result: 0.001s Total time for CPAchecker: 449.491s Total CPU time for CPAchecker: 465.810s Time for statistics: 0.030s Time for Garbage Collector: 2.298s (in 230 runs) Garbage Collector(s) used: G1 Old Generation, G1 Young Generation Verification result: TRUE. No property violation found by chosen configuration. Exporting witnesses in Version 2.1 is currently WIP. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-IMC.properties:ARGCPA:ARGToYAMLWitnessExport.export, INFO) More details about the verification run can be found in the directory "./output".