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/recursified_nla-digbench/recursified_divbin2.i -------------------------------------------------------------------------------- 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/recursified_nla-digbench/recursified_divbin2.i" (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--configselection-restart-bmc-fallbacks.properties:ResourceLimitChecker.fromConfiguration, INFO) Using Restarting Algorithm (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restart-bmc-fallbacks.properties:CoreComponentsFactory.createAlgorithm, INFO) Loading analysis 1 from file /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-singleconfig-bmc.properties ... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restart-bmc-fallbacks.properties:RestartAlgorithm.run, INFO) Using the following resource limits: CPU-time limit of 900s (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restart-bmc-fallbacks.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-singleconfig-bmc.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--configselection-restart-bmc-fallbacks.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-singleconfig-bmc.properties:PredicateCPA:PredicateCPA., INFO) Starting analysis 1 ... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restart-bmc-fallbacks.properties:RestartAlgorithm.run, INFO) Skipping recursive function call from func_to_recursive_line_37_to_44_0 to func_to_recursive_line_37_to_44_0 (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restart-bmc-fallbacks.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-singleconfig-bmc.properties:TargetLocationProvider:CallstackCPA:CallstackTransferRelation.getAbstractSuccessorsForEdge, WARNING) Skipping recursive function call from func_to_recursive_line_33_to_35_0 to func_to_recursive_line_33_to_35_0 (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restart-bmc-fallbacks.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-singleconfig-bmc.properties:TargetLocationProvider:CallstackCPA:CallstackTransferRelation.getAbstractSuccessorsForEdge, WARNING) Creating formula for program (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restart-bmc-fallbacks.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-singleconfig-bmc.properties:AbstractBMCAlgorithm.run, INFO) Recursion detected, aborting. To ignore recursion, add --skip-recursion to the command line. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restart-bmc-fallbacks.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-singleconfig-bmc.properties:CallstackCPA:CallstackTransferRelation.getAbstractSuccessorsForEdge, INFO) Warning: Analysis 1 not completed. (line 108: Unsupported feature (recursion): func_to_recursive_line_33_to_35_0(r, b);) (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restart-bmc-fallbacks.properties:CallstackTransferRelation.getAbstractSuccessorsForEdge, WARNING) Statistics for algorithm 1 of 4 =============================== Total time for algorithm 1: 0.429s PredicateCPA statistics ----------------------- Number of abstractions: 0 (0% of all post computations) Number of strengthen sat checks: 0 Number of coverage checks: 0 BDD entailment checks: 0 Number of SMT sat checks: 0 trivial: 0 cached: 0 Max ABE block size: 0 Avg ABE block size: 0.00 (sum: 0, count: 0, min: 0, max: 0) Number of predicates discovered: 0 Time for post operator: 0.069s Time for path formula creation: 0.069s Time for strengthen operator: 0.003s Time for prec operator: 0.002s Time for coverage checks: 0.000s Total time for SMT solver (w/o itp): 0.000s 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: 1 Maximum loop iteration reached: 0 ValueAnalysisCPA statistics --------------------------- Number of variables per state: 0.00 (sum: 0, count: 32, min: 0, max: 0) Number of global variables per state: 0.00 (sum: 0, count: 32, min: 0, max: 0) Number of assumptions: 2 Number of deterministic assumptions: 0 Level of Determinism: 0% ValueAnalysisPrecisionAdjustment statistics ------------------------------------------- Number of abstraction computations: 31 Total time for liveness abstraction: 0.000s Total time for abstraction computation: 0.001s 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: 0.001s Automaton transfers with branching: 0 Automaton transfer successors: 1.00 (sum: 31, count: 31, min: 1, max: 1) [1 x 31] Number of states with assumption transitions: 0 CPA algorithm statistics ------------------------ Number of iterations: 31 Max size of waitlist: 2 Average size of waitlist: 1 LoopstackSortedWaitlist: 0.00 (sum: 0, count: 27, min: 0, max: 0) ReversePostorderSortedWaitlist: 0.00 (sum: 0, count: 27, min: 0, max: 0) LoopIterationSortedWaitlist: 0.00 (sum: 0, count: 27, min: 0, max: 0) CallstackSortedWaitlist: 4.00 (sum: 4, count: 1, min: 4, max: 4) Number of computed successors: 31 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: 0.115s (Max: 0.115s) Time for choose from waitlist: 0.003s Time for precision adjustment: 0.007s Time for transfer relation: 0.101s Time for stop operator: 0.001s Time for adding to reached set: 0.002s BMC algorithm statistics ------------------------ Time for BMC formula creation: 0.117s CPA algorithm statistics ------------------------ Number of iterations: 31 Max size of waitlist: 2 Average size of waitlist: 1 LoopstackSortedWaitlist: 0.00 (sum: 0, count: 27, min: 0, max: 0) ReversePostorderSortedWaitlist: 0.00 (sum: 0, count: 27, min: 0, max: 0) LoopIterationSortedWaitlist: 0.00 (sum: 0, count: 27, min: 0, max: 0) CallstackSortedWaitlist: 4.00 (sum: 4, count: 1, min: 4, max: 4) Number of computed successors: 31 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: 0.115s (Max: 0.115s) Time for choose from waitlist: 0.003s Time for precision adjustment: 0.007s Time for transfer relation: 0.101s Time for stop operator: 0.001s Time for adding to reached set: 0.002s BMC algorithm statistics ------------------------ Time for BMC formula creation: 0.117s RestartAlgorithm switches to the next configuration... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restart-bmc-fallbacks.properties:RestartAlgorithm.run, INFO) Loading analysis 2 from file /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--recursion.properties ... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restart-bmc-fallbacks.properties:RestartAlgorithm.run, INFO) Mismatch of configuration options when loading from '/storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--recursion.properties': 'limits.time.cpu::required' has two values '900' and ''. Using ''. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restart-bmc-fallbacks.properties:NestingAlgorithm.checkConfigs, INFO) Using the following resource limits: CPU-time limit of 900s (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restart-bmc-fallbacks.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--recursion.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--configselection-restart-bmc-fallbacks.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--recursion.properties:BAMPredicateCPA:PredicateCPA., INFO) Using refinement for predicate analysis with BAMPredicateAbstractionRefinementStrategy strategy. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restart-bmc-fallbacks.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--recursion.properties:BAMPredicateCPA:PredicateCPARefiner., INFO) Starting analysis 2 ... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restart-bmc-fallbacks.properties:RestartAlgorithm.run, INFO) fixpoint-iteration aborted, because there was a target state. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restart-bmc-fallbacks.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--recursion.properties:BAMCPA:BAMTransferRelationWithFixPointForRecursion.doFixpointIterationForRecursion, INFO) Shutdown requested (The JVM is shutting down, probably because Ctrl+C was pressed.), waiting for termination. (ForceTerminationOnShutdown$1.shutdownRequested, WARNING) 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--configselection-restart-bmc-fallbacks.properties:RestartAlgorithm.skipNextAnalysesIfRequired, INFO) Warning: Analysis 3 stopped. (The JVM is shutting down, probably because Ctrl+C was pressed.) (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restart-bmc-fallbacks.properties:ShutdownNotifier.shutdownIfNecessary, WARNING) Warning: Analysis interrupted (The JVM is shutting down, probably because Ctrl+C was pressed.) (ShutdownNotifier.shutdownIfNecessary, WARNING) Selection Algorithm statistics ------------------------------ Size of preliminary analysis reached set: 0 Used algorithm property: /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restart-bmc-fallbacks.properties Program containing only relevant bools: 0 Relevant boolean vars / relevant vars ratio: 0.0556 Requires alias handling: 1 Requires loop handling: 0 Has a single loop: 0 Requires composite-type handling: 0 Requires array handling: 0 Requires float handling: 0 Requires recursion handling: 0 Relevant addressed vars / relevant vars ratio: 0.2778 Program containing external functions: true Number of all righthand side functions: 6 Restart Algorithm statistics ---------------------------- Number of algorithms provided: 4 Number of algorithms used: 3 Last algorithm used: /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--concurrency.properties Total time for algorithm 3: 893.220s BAMCPA statistics ----------------- Number of blocks: 5 Max reached nesting level: 3 Time for building block partitioning: 0.010s Time for reducing abstract states: 0.003s Time for expanding abstract states: 0.011s Time for reducing precisions: 0.001s Time for expanding precisions: 0.002s Number of created nested algortihms: 6 Nesting level of target states with caching: 1.50 (#=4, min=0, max=3, hist=[0, 1, 2, 3]) Nesting level of target states without caching: 3.00 (#=4, min=3, max=3, hist=[3 x 4]) BAM-based Refinement: Compute path for refinement: 0.009s Constructing flat ARG: 0.004s Searching path to error location: 0.005s Removing cached subtrees: 0.003s Number of refinements with a missing block: 0 Number of started refinements: 1 Number of spurious counterexamples: 1 Number of precise counterexamples: 0 Block statistics: Analyzed blocks: 4 Avg. time for block analysis: 223.271s Mean time for block analysis: 0.011s Min time for block analysis: 0.004s Max time for block analysis: 892.936s StdDev time for block analysis: 386.630s Total time for block analysis: 893.086s Time for main block: 892.936s ([N56]) could not compute full reached set graph, there is no exit state (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restart-bmc-fallbacks.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--recursion.properties:BAMCPA:BAMARGStatistics.isValidContext, WARNING) BAMCache statistics ------------------- Total size of all ARGs: 57 (#=5, avg=11.40, dev=7.94, min=5, max=27) Total number of recursive CPA calls: 8 Number of cache misses: 5 (63% of all calls) Number of partial cache hits: 3 (38% of all calls) Number of full cache hits: 0 (0% of all calls) Time for checking equality of abstract states: 0.001s (Calls: 4) Time for computing the hashCode of abstract states: 0.001s (Calls: 13) ValueAnalysisCPA statistics --------------------------- Number of variables per state: 0.00 (sum: 0, count: 1, min: 0, max: 0) Number of global variables per state: 0.00 (sum: 0, count: 1, min: 0, max: 0) Number of assumptions: 6 Number of deterministic assumptions: 0 Level of Determinism: 0% ValueAnalysisPrecisionAdjustment statistics ------------------------------------------- Number of abstraction computations: 60 Total time for liveness abstraction: 0.000s Total time for abstraction computation: 0.001s Total time for path thresholds: 0.000s ConstraintsStrengthenOperator statistics ---------------------------------------- Total time for strengthening by ConstraintsCPA: 0.000s Replaced symbolic expressions: 0 PredicateCPA statistics ----------------------- Number of abstractions: 20 (36% of all post computations) Times abstraction was reused: 0 Because of function entry/exit: 10 (50%) Because of loop head: 0 (0%) Because of join nodes: 0 (0%) Because of threshold: 0 (0%) Because of target state: 0 (0%) Times precision was empty: 15 (75%) Times precision was {false}: 0 (0%) Times result was cached: 0 (0%) Times cartesian abs was used: 0 (0%) Times boolean abs was used: 5 (25%) Times result was 'false': 0 (0%) Number of strengthen sat checks: 0 Number of coverage checks: 2 BDD entailment checks: 2 Number of SMT sat checks: 0 trivial: 0 cached: 0 Max ABE block size: 10 Avg ABE block size: 2.10 (sum: 42, count: 20, min: 0, max: 10) Number of predicates discovered: 136 Number of abstraction locations: 0 Max number of predicates per location: 0 Avg number of predicates per location: 0 Total predicates per abstraction: 144 Max number of predicates per abstraction: 127 Avg number of predicates per abstraction: 28.80 Number of irrelevant predicates: 4 (3%) Number of preds handled by boolean abs: 140 (97%) Total number of models for allsat: 10 Max number of models for allsat: 3 Avg number of models for allsat: 2.00 Time for post operator: 0.025s Time for path formula creation: 0.024s Time for strengthen operator: 0.000s Time for prec operator: 892.490s Time for abstraction: 892.487s (Max: 892.185s, Count: 20) Boolean abstraction: 892.376s Solving time: 0.172s (Max: 0.076s) Model enumeration time: 892.219s Time for BDD construction: 18.055s (Max: 0.020s) Time for coverage checks: 0.004s Time for BDD entailment checks: 0.004s Total time for SMT solver (w/o itp): 892.392s Number of path formula cache hits: 49 (48%) Inside post operator: Inside path formula creation: Time for path formula computation: 0.035s Total number of created targets for pointer analysis: 0 Number of BDD nodes: 411883 Size of BDD node table: 524309 Size of BDD cache: 52433 Size of BDD node cleanup queue: 0.00 (sum: 0, count: 243, min: 0, max: 0) Time for BDD node cleanup: 0.000s Time for BDD garbage collection: 0.104s (in 30 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: 0.002s Automaton transfers with branching: 0 Automaton transfer successors: 1.00 (sum: 55, count: 55, min: 1, max: 1) [1 x 55] Number of states with assumption transitions: 0 CPA algorithm statistics ------------------------ Number of iterations: 2 Max size of waitlist: 1 Average size of waitlist: 1 ReversePostorderSortedWaitlist: 0.00 (sum: 0, count: 2, min: 0, max: 0) CallstackSortedWaitlist: 0.00 (sum: 0, count: 2, min: 0, max: 0) Number of computed successors: 1 Max successors for one state: 1 Number of times merged: 0 Number of times stopped: 0 Number of times breaked: 1 Total time for CPA algorithm: 892.577s (Max: 892.513s) Time for choose from waitlist: 0.000s Time for precision adjustment: 0.000s Time for transfer relation: 892.577s Time for stop operator: 0.000s Time for adding to reached set: 0.000s DelegatingARGBasedRefiner statistics ------------------------------------ Analysis 1 (ValueAnalysisRefiner): Number of selected refinement: 1 Number of finished refinement: 0 Analysis 2 (PredicateCPARefiner): Number of selected refinement: 1 Number of finished refinement: 1 ValueAnalysisRefiner statistics ------------------------------- Number of refinements: 1 Number of targets found: 1 (count: 1, min: 1, max: 1, avg: 1.00) Time for completing refinement: 0.021s Number of root relocations: 0 Number of similar, repeated refinements: 0 Number of unique precision increments: 0 PathExtractor statistics ------------------------ Total number of targets found: 0 ValueAnalysisPathInterpolator statistics ---------------------------------------- Time for interpolation: 0.000s Number of interpolations: 0 Number of interpolation queries: 0 (count: 0, min: 0, max: 0, avg: 0.00) Size of interpolant: 0.00 (sum: 0, count: 0, min: 0, max: 0) Number of sliced prefixes: 0 (count: 0, min: 0, max: 0, avg: 0.00) Extracting infeasible sliced prefixes: 0.000s Selecting infeasible sliced prefixes: 0.000s PredicateCPARefiner statistics ------------------------------ Number of predicate refinements: 1 Avg. length of target path (in blocks): 9.00 (sum: 9, count: 1, min: 9, max: 9) Number of infeasible sliced prefixes: 0 (count: 0, min: 0, max: 0, avg: 0.00) Time for refinement: 0.449s Path-formulas extraction: 0.016s Counterexample analysis: 0.365s (Max: 0.365s, Calls: 1) Refinement sat check: 0.148s Interpolant computation: 0.211s Predicate-Abstraction Refiner statistics ---------------------------------------- Predicate creation: 0.055s Precision update: 0.003s ARG update: 0.004s Length of refined path (in blocks): 8.00 (sum: 8, count: 1, min: 8, max: 8) Number of affected states: 6 (count: 1, min: 6, max: 6, avg: 6.00) Length (states) of path with itp 'true': 1 (count: 1, min: 1, max: 1, avg: 1.00) Length (states) of path with itp non-trivial itp: 6 (count: 1, min: 6, max: 6, avg: 6.00) Length (states) of path with itp 'false': 1 (count: 1, min: 1, max: 1, avg: 1.00) Different non-trivial interpolants along paths: 5 (count: 1, min: 5, max: 5, avg: 5.00) Equal non-trivial interpolants along paths: 0 (count: 1, min: 0, max: 0, avg: 0.00) Number of refs with location-based cutoff: 0 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.: 2 Max. size of reached set after ref.: 1 Avg. size of reached set before ref.: 2.00 Avg. size of reached set after ref.: 1.00 Total time for CEGAR algorithm: 893.075s Time for refinements: 0.498s Average time for refinement: 0.498s Max time for refinement: 0.498s CPA algorithm statistics ------------------------ Number of iterations: 2 Max size of waitlist: 1 Average size of waitlist: 1 ReversePostorderSortedWaitlist: 0.00 (sum: 0, count: 2, min: 0, max: 0) CallstackSortedWaitlist: 0.00 (sum: 0, count: 2, min: 0, max: 0) Number of computed successors: 1 Max successors for one state: 1 Number of times merged: 0 Number of times stopped: 0 Number of times breaked: 1 Total time for CPA algorithm: 892.577s (Max: 892.513s) Time for choose from waitlist: 0.000s Time for precision adjustment: 0.000s Time for transfer relation: 892.577s Time for stop operator: 0.000s Time for adding to reached set: 0.000s DelegatingARGBasedRefiner statistics ------------------------------------ Analysis 1 (ValueAnalysisRefiner): Number of selected refinement: 1 Number of finished refinement: 0 Analysis 2 (PredicateCPARefiner): Number of selected refinement: 1 Number of finished refinement: 1 ValueAnalysisRefiner statistics ------------------------------- Number of refinements: 1 Number of targets found: 1 (count: 1, min: 1, max: 1, avg: 1.00) Time for completing refinement: 0.021s Number of root relocations: 0 Number of similar, repeated refinements: 0 Number of unique precision increments: 0 PathExtractor statistics ------------------------ Total number of targets found: 0 ValueAnalysisPathInterpolator statistics ---------------------------------------- Time for interpolation: 0.000s Number of interpolations: 0 Number of interpolation queries: 0 (count: 0, min: 0, max: 0, avg: 0.00) Size of interpolant: 0.00 (sum: 0, count: 0, min: 0, max: 0) Number of sliced prefixes: 0 (count: 0, min: 0, max: 0, avg: 0.00) Extracting infeasible sliced prefixes: 0.000s Selecting infeasible sliced prefixes: 0.000s PredicateCPARefiner statistics ------------------------------ Number of predicate refinements: 1 Avg. length of target path (in blocks): 9.00 (sum: 9, count: 1, min: 9, max: 9) Number of infeasible sliced prefixes: 0 (count: 0, min: 0, max: 0, avg: 0.00) Time for refinement: 0.449s Path-formulas extraction: 0.016s Counterexample analysis: 0.365s (Max: 0.365s, Calls: 1) Refinement sat check: 0.148s Interpolant computation: 0.211s Predicate-Abstraction Refiner statistics ---------------------------------------- Predicate creation: 0.055s Precision update: 0.003s ARG update: 0.004s Length of refined path (in blocks): 8.00 (sum: 8, count: 1, min: 8, max: 8) Number of affected states: 6 (count: 1, min: 6, max: 6, avg: 6.00) Length (states) of path with itp 'true': 1 (count: 1, min: 1, max: 1, avg: 1.00) Length (states) of path with itp non-trivial itp: 6 (count: 1, min: 6, max: 6, avg: 6.00) Length (states) of path with itp 'false': 1 (count: 1, min: 1, max: 1, avg: 1.00) Different non-trivial interpolants along paths: 5 (count: 1, min: 5, max: 5, avg: 5.00) Equal non-trivial interpolants along paths: 0 (count: 1, min: 0, max: 0, avg: 0.00) Number of refs with location-based cutoff: 0 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.: 2 Max. size of reached set after ref.: 1 Avg. size of reached set before ref.: 2.00 Avg. size of reached set after ref.: 1.00 Total time for CEGAR algorithm: 893.075s Time for refinements: 0.498s Average time for refinement: 0.498s Max time for refinement: 0.498s CPAchecker general statistics ----------------------------- Number of program locations: 79 Number of CFA edges (per node): 86 (count: 79, min: 0, max: 2, avg: 1.09) Number of relevant variables: 18 Number of functions: 6 Number of loops (and loop nodes): 0 (sum: 0, min: 0, max: 0, avg: 0.00) Size of reached set: 1 Number of reached locations: 1 (1%) Avg states per location: 1 Max states per location: 1 (at node N56) Number of reached functions: 1 (17%) Number of target states: 0 Size of final wait list: 1 Time for analysis setup: 1.230s Time for loading CPAs: 0.380s Time for loading parser: 0.226s Time for CFA construction: 0.576s Time for parsing file(s): 0.277s Time for AST to CFA: 0.136s Time for CFA sanity check: 0.000s Time for post-processing: 0.104s Time for loop structure: 0.004s Time for AST structure: 0.000s Time for function pointers resolving: 0.003s 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: 0.067s Time for collecting variables: 0.042s Time for solving dependencies: 0.001s Time for building hierarchy: 0.000s Time for building classification: 0.024s Time for exporting data: 0.000s Time for Analysis: 893.708s CPU time for analysis: 896.970s Total time for CPAchecker: 894.939s Total CPU time for CPAchecker: 899.340s Time for statistics: 0.079s Time for Garbage Collector: 0.110s (in 67 runs) Garbage Collector(s) used: G1 Old Generation, G1 Young Generation Verification result: UNKNOWN, incomplete analysis. could not compute full reached set graph, there is no exit state (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restart-bmc-fallbacks.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--recursion.properties:BAMCPA:BAMARGStatistics.isValidContext, WARNING) More details about the verification run can be found in the directory "./output".