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_geo1-ll.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/recursified_nla-digbench/recursified_geo1-ll.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--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_30_to_38_0 to func_to_recursive_line_30_to_38_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 69: Unsupported feature (recursion): func_to_recursive_line_30_to_38_0(z, y, k, x, c);) (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: 0.490s PredicateCPA statistics ----------------------- Number of abstractions: 1 (2% of all post computations) Times abstraction was reused: 0 Because of function entry/exit: 0 (0%) Because of loop head: 0 (0%) Because of join nodes: 0 (0%) Because of threshold: 0 (0%) Because of target state: 1 (100%) Times precision was empty: 1 (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: 0 BDD entailment checks: 0 Number of SMT sat checks: 0 trivial: 0 cached: 0 Max ABE block size: 17 Avg ABE block size: 17.00 (sum: 17, count: 1, min: 17, max: 17) Number of predicates discovered: 0 Time for post operator: 0.093s Time for path formula creation: 0.093s Time for strengthen operator: 0.002s Time for prec operator: 0.002s Time for abstraction: 0.001s (Max: 0.001s, Count: 1) Solving time: 0.000s (Max: 0.000s) Model enumeration time: 0.000s Time for BDD construction: 0.000s (Max: 0.000s) 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: 0.09 (sum: 5, count: 54, min: 0, max: 1) Number of global variables per state: 0.00 (sum: 0, count: 54, min: 0, max: 0) Number of assumptions: 8 Number of deterministic assumptions: 0 Level of Determinism: 0% ValueAnalysisPrecisionAdjustment statistics ------------------------------------------- Number of abstraction computations: 53 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: 0.003s Automaton transfers with branching: 0 Automaton transfer successors: 0.95 (sum: 53, count: 56, min: 0, max: 1) [0 x 3, 1 x 53] Number of states with assumption transitions: 0 CPA algorithm statistics ------------------------ Number of iterations: 53 Max size of waitlist: 2 Average size of waitlist: 1 LoopstackSortedWaitlist: 0.17 (sum: 7, count: 40, min: 0, max: 3) ReversePostorderSortedWaitlist: 0.00 (sum: 0, count: 40, min: 0, max: 0) LoopIterationSortedWaitlist: 0.17 (sum: 7, count: 40, min: 0, max: 3) CallstackSortedWaitlist: 13.00 (sum: 13, count: 1, min: 13, max: 13) Number of computed successors: 53 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: 0.153s (Max: 0.153s) Time for choose from waitlist: 0.003s Time for precision adjustment: 0.013s Time for transfer relation: 0.129s Time for stop operator: 0.000s Time for adding to reached set: 0.006s BMC algorithm statistics ------------------------ Time for BMC formula creation: 0.156s CPA algorithm statistics ------------------------ Number of iterations: 53 Max size of waitlist: 2 Average size of waitlist: 1 LoopstackSortedWaitlist: 0.17 (sum: 7, count: 40, min: 0, max: 3) ReversePostorderSortedWaitlist: 0.00 (sum: 0, count: 40, min: 0, max: 0) LoopIterationSortedWaitlist: 0.17 (sum: 7, count: 40, min: 0, max: 3) CallstackSortedWaitlist: 13.00 (sum: 13, count: 1, min: 13, max: 13) Number of computed successors: 53 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: 0.153s (Max: 0.153s) Time for choose from waitlist: 0.003s Time for precision adjustment: 0.013s Time for transfer relation: 0.129s Time for stop operator: 0.000s Time for adding to reached set: 0.006s BMC algorithm statistics ------------------------ Time for BMC formula creation: 0.156s 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) 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: 0.0000 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: 0.3125 Program containing external functions: true Number of all righthand side functions: 7 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: 894.061s BAMCPA statistics ----------------- Number of blocks: 5 Max reached nesting level: 4 Time for building block partitioning: 0.006s Time for reducing abstract states: 0.059s Time for expanding abstract states: 0.015s Time for reducing precisions: 0.001s Time for expanding precisions: 0.001s Number of created nested algortihms: 10 Nesting level of target states with caching: 1.78 (#=9, min=0, max=4, hist=[0 x 2, 1 x 2, 2 x 2, 3 x 2, 4]) Nesting level of target states without caching: 3.56 (#=9, min=3, max=4, hist=[3 x 4, 4 x 5]) BAM-based Refinement: Compute path for refinement: 0.009s Constructing flat ARG: 0.003s Searching path to error location: 0.006s Removing cached subtrees: 0.002s Number of refinements with a missing block: 0 Number of started refinements: 2 Number of spurious counterexamples: 1 Number of precise counterexamples: 0 Block statistics: Analyzed blocks: 4 Avg. time for block analysis: 223.485s Mean time for block analysis: 0.036s Min time for block analysis: 0.017s Max time for block analysis: 836.675s StdDev time for block analysis: 354.794s Total time for block analysis: 893.940s Time for main block: 836.675s ([N36]) BAMCache statistics ------------------- Total size of all ARGs: 85 (#=9, avg=9.44, dev=7.51, min=5, max=29) Total number of recursive CPA calls: 12 Number of cache misses: 9 (75% of all calls) Number of partial cache hits: 1 (8% of all calls) Number of full cache hits: 2 (17% of all calls) Time for checking equality of abstract states: 0.000s (Calls: 5) Time for computing the hashCode of abstract states: 0.001s (Calls: 22) ValueAnalysisCPA statistics --------------------------- Number of variables per state: 0.00 (sum: 0, count: 2, min: 0, max: 0) Number of global variables per state: 0.00 (sum: 0, count: 2, min: 0, max: 0) Number of assumptions: 12 Number of deterministic assumptions: 0 Level of Determinism: 0% ValueAnalysisPrecisionAdjustment statistics ------------------------------------------- Number of abstraction computations: 91 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: 36 (44% of all post computations) Times abstraction was reused: 0 Because of function entry/exit: 17 (47%) 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: 22 (61%) Times precision was {false}: 2 (6%) Times result was cached: 1 (3%) Times cartesian abs was used: 0 (0%) Times boolean abs was used: 11 (31%) Times result was 'false': 1 (3%) Number of strengthen sat checks: 0 Number of coverage checks: 1 BDD entailment checks: 1 Number of SMT sat checks: 0 trivial: 0 cached: 0 Max ABE block size: 7 Avg ABE block size: 1.33 (sum: 48, count: 36, min: 0, max: 7) Number of predicates discovered: 14 Number of abstraction locations: 8 Max number of predicates per location: 7 Avg number of predicates per location: 2 Total predicates per abstraction: 31 Max number of predicates per abstraction: 7 Avg number of predicates per abstraction: 2.38 Number of irrelevant predicates: 5 (16%) Number of preds handled by boolean abs: 25 (81%) Total number of models for allsat: 77 Max number of models for allsat: 65 Avg number of models for allsat: 7.00 Time for post operator: 0.034s Time for path formula creation: 0.034s Time for strengthen operator: 0.002s Time for prec operator: 58.384s Time for abstraction: 58.381s (Max: 54.307s, Count: 36) Boolean abstraction: 58.005s Solving time: 3.673s (Max: 0.943s) Model enumeration time: 54.235s Time for BDD construction: 0.014s (Max: 0.001s) Time for coverage checks: 0.000s Time for BDD entailment checks: 0.000s Total time for SMT solver (w/o itp): 57.908s Number of path formula cache hits: 111 (53%) Inside post operator: Inside path formula creation: Time for path formula computation: 0.047s Total number of created targets for pointer analysis: 0 Number of BDD nodes: 618 Size of BDD node table: 524309 Size of BDD cache: 52433 Size of BDD node cleanup queue: 0.41 (sum: 104, count: 251, min: 0, max: 71) Time for BDD node cleanup: 0.002s 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: 0.003s Automaton transfers with branching: 0 Automaton transfer successors: 0.98 (sum: 79, count: 81, min: 0, max: 1) [0 x 2, 1 x 79] 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: 2 Max successors for one state: 1 Number of times merged: 0 Number of times stopped: 0 Number of times breaked: 2 Total time for CPA algorithm: 58.558s (Max: 58.478s) Time for choose from waitlist: 0.000s Time for precision adjustment: 0.000s Time for transfer relation: 58.557s Time for stop operator: 0.000s Time for adding to reached set: 0.000s DelegatingARGBasedRefiner statistics ------------------------------------ Analysis 1 (ValueAnalysisRefiner): Number of selected refinement: 2 Number of finished refinement: 0 Analysis 2 (PredicateCPARefiner): Number of selected refinement: 2 Number of finished refinement: 1 ValueAnalysisRefiner statistics ------------------------------- Number of refinements: 2 Number of targets found: 2 (count: 2, 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: 2 Avg. length of target path (in blocks): 16.00 (sum: 32, count: 2, min: 13, max: 19) Number of infeasible sliced prefixes: 0 (count: 0, min: 0, max: 0, avg: 0.00) Time for refinement: 835.330s Path-formulas extraction: 0.023s Counterexample analysis: 835.200s (Max: 834.300s, Calls: 2) Refinement sat check: 834.414s Interpolant computation: 0.712s Predicate-Abstraction Refiner statistics ---------------------------------------- Predicate creation: 0.096s Precision update: 0.003s ARG update: 0.004s Length of refined path (in blocks): 12.00 (sum: 12, count: 1, min: 12, max: 12) Number of affected states: 8 (count: 1, min: 8, max: 8, avg: 8.00) Length (states) of path with itp 'true': 3 (count: 1, min: 3, max: 3, avg: 3.00) Length (states) of path with itp non-trivial itp: 8 (count: 1, min: 8, max: 8, avg: 8.00) 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: 2 (count: 1, min: 2, max: 2, avg: 2.00) Number of refs with location-based cutoff: 0 CEGAR algorithm statistics -------------------------- Number of CEGAR refinements: 2 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: 893.934s Time for refinements: 835.376s Average time for refinement: 417.688s Max time for refinement: 834.321s 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: 2 Max successors for one state: 1 Number of times merged: 0 Number of times stopped: 0 Number of times breaked: 2 Total time for CPA algorithm: 58.558s (Max: 58.478s) Time for choose from waitlist: 0.000s Time for precision adjustment: 0.000s Time for transfer relation: 58.557s Time for stop operator: 0.000s Time for adding to reached set: 0.000s DelegatingARGBasedRefiner statistics ------------------------------------ Analysis 1 (ValueAnalysisRefiner): Number of selected refinement: 2 Number of finished refinement: 0 Analysis 2 (PredicateCPARefiner): Number of selected refinement: 2 Number of finished refinement: 1 ValueAnalysisRefiner statistics ------------------------------- Number of refinements: 2 Number of targets found: 2 (count: 2, 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: 2 Avg. length of target path (in blocks): 16.00 (sum: 32, count: 2, min: 13, max: 19) Number of infeasible sliced prefixes: 0 (count: 0, min: 0, max: 0, avg: 0.00) Time for refinement: 835.330s Path-formulas extraction: 0.023s Counterexample analysis: 835.200s (Max: 834.300s, Calls: 2) Refinement sat check: 834.414s Interpolant computation: 0.712s Predicate-Abstraction Refiner statistics ---------------------------------------- Predicate creation: 0.096s Precision update: 0.003s ARG update: 0.004s Length of refined path (in blocks): 12.00 (sum: 12, count: 1, min: 12, max: 12) Number of affected states: 8 (count: 1, min: 8, max: 8, avg: 8.00) Length (states) of path with itp 'true': 3 (count: 1, min: 3, max: 3, avg: 3.00) Length (states) of path with itp non-trivial itp: 8 (count: 1, min: 8, max: 8, avg: 8.00) 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: 2 (count: 1, min: 2, max: 2, avg: 2.00) Number of refs with location-based cutoff: 0 CEGAR algorithm statistics -------------------------- Number of CEGAR refinements: 2 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: 893.934s Time for refinements: 835.376s Average time for refinement: 417.688s Max time for refinement: 834.321s CPAchecker general statistics ----------------------------- Number of program locations: 61 Number of CFA edges (per node): 68 (count: 61, min: 0, max: 2, avg: 1.11) Number of relevant variables: 16 Number of functions: 5 Number of loops (and loop nodes): 0 (sum: 0, min: 0, max: 0, avg: 0.00) Size of reached set: 2 Number of reached locations: 2 (3%) Avg states per location: 1 Max states per location: 1 (at node N1) Number of reached functions: 2 (40%) Number of target states: 1 Size of final wait list: 1 Time for analysis setup: 1.241s Time for loading CPAs: 0.402s Time for loading parser: 0.225s Time for CFA construction: 0.574s Time for parsing file(s): 0.291s Time for AST to CFA: 0.140s Time for CFA sanity check: 0.000s Time for post-processing: 0.091s Time for loop structure: 0.002s 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: 0.053s Time for collecting variables: 0.030s Time for solving dependencies: 0.001s Time for building hierarchy: 0.000s Time for building classification: 0.022s Time for exporting data: 0.000s Time for Analysis: 894.634s CPU time for analysis: 897.060s Total time for CPAchecker: 895.876s Total CPU time for CPAchecker: 899.480s Time for statistics: 0.055s Time for Garbage Collector: 0.092s (in 9 runs) Garbage Collector(s) used: G1 Old Generation, G1 Young Generation Verification result: UNKNOWN, incomplete analysis. Exporting witnesses in Version 2.1 is currently WIP. (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:ARGToYAMLWitnessExport.export, INFO) More details about the verification run can be found in the directory "./output".