./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-10.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-10.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c3fff67c56135375ffd751199deaa864a3ed3a59a2eb1eeee2e19554b4f47694 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 02:45:24,628 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 02:45:24,726 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-12 02:45:24,737 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 02:45:24,741 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 02:45:24,767 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 02:45:24,768 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 02:45:24,768 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 02:45:24,769 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 02:45:24,770 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 02:45:24,770 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 02:45:24,770 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 02:45:24,772 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 02:45:24,774 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 02:45:24,774 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 02:45:24,775 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 02:45:24,775 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 02:45:24,776 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 02:45:24,776 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 02:45:24,776 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 02:45:24,776 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 02:45:24,778 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 02:45:24,778 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 02:45:24,778 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 02:45:24,779 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 02:45:24,779 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 02:45:24,779 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 02:45:24,780 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 02:45:24,780 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 02:45:24,780 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 02:45:24,781 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 02:45:24,781 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 02:45:24,782 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 02:45:24,782 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 02:45:24,782 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 02:45:24,783 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 02:45:24,783 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 02:45:24,783 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 02:45:24,784 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 02:45:24,784 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 02:45:24,784 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 02:45:24,785 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 02:45:24,786 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c3fff67c56135375ffd751199deaa864a3ed3a59a2eb1eeee2e19554b4f47694 [2024-11-12 02:45:25,087 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 02:45:25,118 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 02:45:25,123 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 02:45:25,124 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 02:45:25,125 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 02:45:25,126 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-10.i [2024-11-12 02:45:26,760 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 02:45:27,008 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 02:45:27,009 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-10.i [2024-11-12 02:45:27,020 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea7b51c91/af40a7b948c94fd7aa16a6e895a9e2d4/FLAGbf2d9c9b6 [2024-11-12 02:45:27,034 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea7b51c91/af40a7b948c94fd7aa16a6e895a9e2d4 [2024-11-12 02:45:27,037 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 02:45:27,039 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 02:45:27,040 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 02:45:27,041 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 02:45:27,049 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 02:45:27,050 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:45:27" (1/1) ... [2024-11-12 02:45:27,051 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8b93aaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:45:27, skipping insertion in model container [2024-11-12 02:45:27,051 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:45:27" (1/1) ... [2024-11-12 02:45:27,095 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 02:45:27,293 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-10.i[919,932] [2024-11-12 02:45:27,398 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 02:45:27,413 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 02:45:27,425 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-10.i[919,932] [2024-11-12 02:45:27,491 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 02:45:27,519 INFO L204 MainTranslator]: Completed translation [2024-11-12 02:45:27,520 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:45:27 WrapperNode [2024-11-12 02:45:27,521 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 02:45:27,522 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 02:45:27,522 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 02:45:27,522 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 02:45:27,530 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:45:27" (1/1) ... [2024-11-12 02:45:27,544 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:45:27" (1/1) ... [2024-11-12 02:45:27,592 INFO L138 Inliner]: procedures = 26, calls = 47, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 298 [2024-11-12 02:45:27,593 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 02:45:27,594 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 02:45:27,594 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 02:45:27,594 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 02:45:27,611 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:45:27" (1/1) ... [2024-11-12 02:45:27,615 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:45:27" (1/1) ... [2024-11-12 02:45:27,622 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:45:27" (1/1) ... [2024-11-12 02:45:27,671 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-12 02:45:27,671 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:45:27" (1/1) ... [2024-11-12 02:45:27,671 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:45:27" (1/1) ... [2024-11-12 02:45:27,691 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:45:27" (1/1) ... [2024-11-12 02:45:27,696 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:45:27" (1/1) ... [2024-11-12 02:45:27,709 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:45:27" (1/1) ... [2024-11-12 02:45:27,731 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:45:27" (1/1) ... [2024-11-12 02:45:27,744 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 02:45:27,745 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 02:45:27,747 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 02:45:27,748 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 02:45:27,749 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:45:27" (1/1) ... [2024-11-12 02:45:27,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 02:45:27,767 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 02:45:27,785 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-12 02:45:27,787 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-12 02:45:27,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 02:45:27,837 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-12 02:45:27,837 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-12 02:45:27,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 02:45:27,838 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 02:45:27,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 02:45:27,928 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 02:45:27,930 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 02:45:28,592 INFO L? ?]: Removed 34 outVars from TransFormulas that were not future-live. [2024-11-12 02:45:28,593 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 02:45:28,616 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 02:45:28,617 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-12 02:45:28,617 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:45:28 BoogieIcfgContainer [2024-11-12 02:45:28,617 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 02:45:28,620 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 02:45:28,620 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 02:45:28,624 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 02:45:28,624 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:45:27" (1/3) ... [2024-11-12 02:45:28,626 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ab389da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:45:28, skipping insertion in model container [2024-11-12 02:45:28,626 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:45:27" (2/3) ... [2024-11-12 02:45:28,627 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ab389da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:45:28, skipping insertion in model container [2024-11-12 02:45:28,627 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:45:28" (3/3) ... [2024-11-12 02:45:28,628 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-10.i [2024-11-12 02:45:28,644 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 02:45:28,644 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-12 02:45:28,708 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 02:45:28,716 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@495ae060, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 02:45:28,716 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-12 02:45:28,722 INFO L276 IsEmpty]: Start isEmpty. Operand has 127 states, 90 states have (on average 1.4444444444444444) internal successors, (130), 91 states have internal predecessors, (130), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-12 02:45:28,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2024-11-12 02:45:28,745 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 02:45:28,747 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 02:45:28,747 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 02:45:28,754 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 02:45:28,755 INFO L85 PathProgramCache]: Analyzing trace with hash 303211599, now seen corresponding path program 1 times [2024-11-12 02:45:28,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 02:45:28,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516085803] [2024-11-12 02:45:28,765 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 02:45:28,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 02:45:28,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:29,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 02:45:29,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:29,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 02:45:29,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:29,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 02:45:29,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:29,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 02:45:29,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:29,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 02:45:29,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:29,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 02:45:29,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:29,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 02:45:29,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:29,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 02:45:29,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:29,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 02:45:29,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:29,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 02:45:29,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:29,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 02:45:29,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:29,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 02:45:29,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:29,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 02:45:29,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:29,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 02:45:29,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:29,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 02:45:29,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:29,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 02:45:29,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:29,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 02:45:29,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:29,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 02:45:29,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:29,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 02:45:29,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:29,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 02:45:29,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:29,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 02:45:29,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:29,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 02:45:29,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:29,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-12 02:45:29,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:29,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-12 02:45:29,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:29,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-12 02:45:29,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:29,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-12 02:45:29,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:29,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-12 02:45:29,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:29,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-12 02:45:29,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:29,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-12 02:45:29,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:29,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-12 02:45:29,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:29,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-12 02:45:29,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:29,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-12 02:45:29,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:29,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-12 02:45:29,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:29,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-12 02:45:29,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:29,468 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-12 02:45:29,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 02:45:29,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516085803] [2024-11-12 02:45:29,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1516085803] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 02:45:29,474 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 02:45:29,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 02:45:29,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307626680] [2024-11-12 02:45:29,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 02:45:29,483 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-12 02:45:29,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 02:45:29,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-12 02:45:29,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 02:45:29,519 INFO L87 Difference]: Start difference. First operand has 127 states, 90 states have (on average 1.4444444444444444) internal successors, (130), 91 states have internal predecessors, (130), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) Second operand has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-12 02:45:29,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 02:45:29,565 INFO L93 Difference]: Finished difference Result 247 states and 424 transitions. [2024-11-12 02:45:29,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-12 02:45:29,568 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 2 states have call successors, (34) Word has length 219 [2024-11-12 02:45:29,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 02:45:29,584 INFO L225 Difference]: With dead ends: 247 [2024-11-12 02:45:29,585 INFO L226 Difference]: Without dead ends: 123 [2024-11-12 02:45:29,591 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 02:45:29,595 INFO L435 NwaCegarLoop]: 191 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 02:45:29,596 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 191 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 02:45:29,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2024-11-12 02:45:29,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2024-11-12 02:45:29,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 87 states have (on average 1.4137931034482758) internal successors, (123), 87 states have internal predecessors, (123), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-12 02:45:29,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 191 transitions. [2024-11-12 02:45:29,653 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 191 transitions. Word has length 219 [2024-11-12 02:45:29,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 02:45:29,654 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 191 transitions. [2024-11-12 02:45:29,655 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-12 02:45:29,656 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 191 transitions. [2024-11-12 02:45:29,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2024-11-12 02:45:29,664 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 02:45:29,664 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 02:45:29,665 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 02:45:29,665 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 02:45:29,666 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 02:45:29,666 INFO L85 PathProgramCache]: Analyzing trace with hash -1416959721, now seen corresponding path program 1 times [2024-11-12 02:45:29,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 02:45:29,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804987132] [2024-11-12 02:45:29,667 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 02:45:29,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 02:45:29,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:30,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 02:45:30,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:30,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 02:45:30,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:30,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 02:45:30,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:30,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 02:45:30,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:30,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 02:45:30,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:30,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 02:45:30,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:30,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 02:45:30,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:30,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 02:45:30,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:30,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 02:45:30,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:30,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 02:45:30,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:30,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 02:45:30,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:30,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 02:45:30,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:30,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 02:45:30,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:30,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 02:45:30,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:30,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 02:45:30,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:30,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 02:45:30,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:30,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 02:45:30,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:30,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 02:45:30,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:30,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 02:45:30,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:30,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 02:45:30,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:30,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 02:45:30,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:30,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 02:45:30,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:30,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-12 02:45:30,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:30,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-12 02:45:30,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:30,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-12 02:45:30,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:30,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-12 02:45:30,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:30,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-12 02:45:30,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:30,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-12 02:45:30,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:30,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-12 02:45:30,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:30,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-12 02:45:30,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:30,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-12 02:45:30,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:30,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-12 02:45:30,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:30,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-12 02:45:30,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:30,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-12 02:45:30,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:30,742 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-12 02:45:30,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 02:45:30,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804987132] [2024-11-12 02:45:30,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [804987132] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 02:45:30,747 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 02:45:30,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 02:45:30,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924111476] [2024-11-12 02:45:30,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 02:45:30,749 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 02:45:30,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 02:45:30,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 02:45:30,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 02:45:30,753 INFO L87 Difference]: Start difference. First operand 123 states and 191 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-12 02:45:31,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 02:45:31,052 INFO L93 Difference]: Finished difference Result 364 states and 568 transitions. [2024-11-12 02:45:31,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 02:45:31,053 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 219 [2024-11-12 02:45:31,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 02:45:31,058 INFO L225 Difference]: With dead ends: 364 [2024-11-12 02:45:31,058 INFO L226 Difference]: Without dead ends: 244 [2024-11-12 02:45:31,059 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-12 02:45:31,061 INFO L435 NwaCegarLoop]: 187 mSDtfsCounter, 127 mSDsluCounter, 363 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 550 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 02:45:31,061 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 550 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 02:45:31,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2024-11-12 02:45:31,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 184. [2024-11-12 02:45:31,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 113 states have (on average 1.3185840707964602) internal successors, (149), 113 states have internal predecessors, (149), 68 states have call successors, (68), 2 states have call predecessors, (68), 2 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2024-11-12 02:45:31,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 285 transitions. [2024-11-12 02:45:31,099 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 285 transitions. Word has length 219 [2024-11-12 02:45:31,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 02:45:31,103 INFO L471 AbstractCegarLoop]: Abstraction has 184 states and 285 transitions. [2024-11-12 02:45:31,104 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-12 02:45:31,104 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 285 transitions. [2024-11-12 02:45:31,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2024-11-12 02:45:31,111 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 02:45:31,111 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 02:45:31,111 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 02:45:31,112 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 02:45:31,112 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 02:45:31,112 INFO L85 PathProgramCache]: Analyzing trace with hash 1252368267, now seen corresponding path program 1 times [2024-11-12 02:45:31,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 02:45:31,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632668279] [2024-11-12 02:45:31,113 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 02:45:31,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 02:45:31,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:52,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 02:45:52,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:52,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 02:45:52,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:52,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 02:45:52,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:52,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 02:45:52,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:52,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 02:45:52,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:52,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 02:45:52,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:52,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 02:45:52,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:52,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 02:45:52,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:52,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 02:45:52,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:52,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 02:45:52,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:52,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 02:45:52,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:52,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 02:45:52,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:52,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 02:45:52,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:52,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 02:45:52,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:52,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 02:45:52,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:52,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 02:45:52,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:52,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 02:45:52,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:52,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 02:45:52,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:52,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 02:45:52,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:52,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 02:45:52,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:52,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 02:45:52,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:52,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 02:45:52,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:52,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-12 02:45:52,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:52,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-12 02:45:52,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:52,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-12 02:45:52,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:53,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-12 02:45:53,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:53,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-12 02:45:53,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:53,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-12 02:45:53,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:53,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-12 02:45:53,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:53,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-12 02:45:53,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:53,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-12 02:45:53,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:53,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-12 02:45:53,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:53,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-12 02:45:53,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:53,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-12 02:45:53,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:53,213 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-12 02:45:53,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 02:45:53,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632668279] [2024-11-12 02:45:53,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1632668279] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 02:45:53,214 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 02:45:53,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-12 02:45:53,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854715969] [2024-11-12 02:45:53,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 02:45:53,215 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-12 02:45:53,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 02:45:53,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-12 02:45:53,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=228, Unknown=0, NotChecked=0, Total=272 [2024-11-12 02:45:53,221 INFO L87 Difference]: Start difference. First operand 184 states and 285 transitions. Second operand has 17 states, 17 states have (on average 3.1176470588235294) internal successors, (53), 17 states have internal predecessors, (53), 3 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2024-11-12 02:45:58,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 02:45:58,206 INFO L93 Difference]: Finished difference Result 488 states and 754 transitions. [2024-11-12 02:45:58,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-12 02:45:58,207 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 3.1176470588235294) internal successors, (53), 17 states have internal predecessors, (53), 3 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 220 [2024-11-12 02:45:58,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 02:45:58,213 INFO L225 Difference]: With dead ends: 488 [2024-11-12 02:45:58,215 INFO L226 Difference]: Without dead ends: 368 [2024-11-12 02:45:58,218 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=213, Invalid=717, Unknown=0, NotChecked=0, Total=930 [2024-11-12 02:45:58,220 INFO L435 NwaCegarLoop]: 118 mSDtfsCounter, 1452 mSDsluCounter, 919 mSDsCounter, 0 mSdLazyCounter, 1781 mSolverCounterSat, 160 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1452 SdHoareTripleChecker+Valid, 1037 SdHoareTripleChecker+Invalid, 1941 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 160 IncrementalHoareTripleChecker+Valid, 1781 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2024-11-12 02:45:58,220 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1452 Valid, 1037 Invalid, 1941 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [160 Valid, 1781 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2024-11-12 02:45:58,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2024-11-12 02:45:58,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 261. [2024-11-12 02:45:58,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 261 states, 188 states have (on average 1.4414893617021276) internal successors, (271), 188 states have internal predecessors, (271), 68 states have call successors, (68), 4 states have call predecessors, (68), 4 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2024-11-12 02:45:58,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 407 transitions. [2024-11-12 02:45:58,258 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 407 transitions. Word has length 220 [2024-11-12 02:45:58,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 02:45:58,259 INFO L471 AbstractCegarLoop]: Abstraction has 261 states and 407 transitions. [2024-11-12 02:45:58,260 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 3.1176470588235294) internal successors, (53), 17 states have internal predecessors, (53), 3 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2024-11-12 02:45:58,260 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 407 transitions. [2024-11-12 02:45:58,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2024-11-12 02:45:58,263 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 02:45:58,264 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 02:45:58,264 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 02:45:58,264 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 02:45:58,265 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 02:45:58,265 INFO L85 PathProgramCache]: Analyzing trace with hash -27495411, now seen corresponding path program 1 times [2024-11-12 02:45:58,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 02:45:58,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410629542] [2024-11-12 02:45:58,265 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 02:45:58,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 02:45:58,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:58,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 02:45:58,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:58,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 02:45:58,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:58,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 02:45:58,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:58,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 02:45:58,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:58,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 02:45:58,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:58,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 02:45:58,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:58,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 02:45:58,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:58,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 02:45:58,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:58,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 02:45:58,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:58,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 02:45:58,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:58,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 02:45:58,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:58,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 02:45:58,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:58,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 02:45:58,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:58,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 02:45:58,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:58,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 02:45:58,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:58,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 02:45:58,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:58,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 02:45:58,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:58,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 02:45:58,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:58,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 02:45:58,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:58,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 02:45:58,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:58,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 02:45:58,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:58,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 02:45:58,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:58,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-12 02:45:58,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:58,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-12 02:45:58,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:58,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-12 02:45:58,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:58,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-12 02:45:58,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:58,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-12 02:45:58,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:58,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-12 02:45:58,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:58,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-12 02:45:58,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:58,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-12 02:45:58,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:58,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-12 02:45:58,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:58,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-12 02:45:58,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:58,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-12 02:45:58,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:58,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-12 02:45:58,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:45:58,457 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-12 02:45:58,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 02:45:58,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410629542] [2024-11-12 02:45:58,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [410629542] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 02:45:58,458 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 02:45:58,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 02:45:58,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516417601] [2024-11-12 02:45:58,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 02:45:58,459 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 02:45:58,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 02:45:58,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 02:45:58,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 02:45:58,461 INFO L87 Difference]: Start difference. First operand 261 states and 407 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-12 02:45:58,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 02:45:58,512 INFO L93 Difference]: Finished difference Result 440 states and 686 transitions. [2024-11-12 02:45:58,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 02:45:58,513 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 220 [2024-11-12 02:45:58,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 02:45:58,516 INFO L225 Difference]: With dead ends: 440 [2024-11-12 02:45:58,516 INFO L226 Difference]: Without dead ends: 315 [2024-11-12 02:45:58,517 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 02:45:58,518 INFO L435 NwaCegarLoop]: 241 mSDtfsCounter, 87 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 390 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 02:45:58,519 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 390 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 02:45:58,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2024-11-12 02:45:58,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 294. [2024-11-12 02:45:58,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 212 states have (on average 1.4103773584905661) internal successors, (299), 213 states have internal predecessors, (299), 76 states have call successors, (76), 5 states have call predecessors, (76), 5 states have return successors, (76), 75 states have call predecessors, (76), 76 states have call successors, (76) [2024-11-12 02:45:58,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 451 transitions. [2024-11-12 02:45:58,576 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 451 transitions. Word has length 220 [2024-11-12 02:45:58,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 02:45:58,577 INFO L471 AbstractCegarLoop]: Abstraction has 294 states and 451 transitions. [2024-11-12 02:45:58,578 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-12 02:45:58,579 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 451 transitions. [2024-11-12 02:45:58,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2024-11-12 02:45:58,582 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 02:45:58,583 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 02:45:58,583 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-12 02:45:58,583 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 02:45:58,583 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 02:45:58,583 INFO L85 PathProgramCache]: Analyzing trace with hash 280542157, now seen corresponding path program 1 times [2024-11-12 02:45:58,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 02:45:58,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513346525] [2024-11-12 02:45:58,584 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 02:45:58,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 02:45:58,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:46:13,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 02:46:13,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:46:13,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 02:46:13,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:46:13,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 02:46:13,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:46:13,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 02:46:13,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:46:13,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 02:46:13,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:46:13,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 02:46:13,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:46:13,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 02:46:13,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:46:13,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 02:46:13,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:46:13,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 02:46:13,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:46:13,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 02:46:13,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:46:13,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 02:46:13,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:46:13,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 02:46:13,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:46:13,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 02:46:13,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:46:13,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 02:46:13,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:46:13,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 02:46:13,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:46:13,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 02:46:13,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:46:13,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 02:46:13,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:46:13,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 02:46:13,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:46:13,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 02:46:13,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:46:13,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 02:46:13,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:46:13,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 02:46:13,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:46:13,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 02:46:13,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:46:13,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-12 02:46:13,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:46:13,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-12 02:46:13,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:46:13,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-12 02:46:13,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:46:13,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-12 02:46:13,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:46:13,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-12 02:46:13,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:46:13,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-12 02:46:13,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:46:13,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-12 02:46:13,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:46:13,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-12 02:46:13,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:46:13,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-12 02:46:13,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:46:13,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-12 02:46:13,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:46:13,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-12 02:46:13,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:46:13,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-12 02:46:13,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:46:13,672 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-12 02:46:13,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 02:46:13,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513346525] [2024-11-12 02:46:13,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [513346525] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 02:46:13,674 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 02:46:13,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-12 02:46:13,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760602594] [2024-11-12 02:46:13,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 02:46:13,675 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-12 02:46:13,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 02:46:13,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-12 02:46:13,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=218, Unknown=0, NotChecked=0, Total=272 [2024-11-12 02:46:13,677 INFO L87 Difference]: Start difference. First operand 294 states and 451 transitions. Second operand has 17 states, 17 states have (on average 3.1176470588235294) internal successors, (53), 17 states have internal predecessors, (53), 3 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2024-11-12 02:46:17,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 02:46:17,110 INFO L93 Difference]: Finished difference Result 740 states and 1129 transitions. [2024-11-12 02:46:17,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-12 02:46:17,112 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 3.1176470588235294) internal successors, (53), 17 states have internal predecessors, (53), 3 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 220 [2024-11-12 02:46:17,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 02:46:17,118 INFO L225 Difference]: With dead ends: 740 [2024-11-12 02:46:17,118 INFO L226 Difference]: Without dead ends: 577 [2024-11-12 02:46:17,121 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 169 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=259, Invalid=797, Unknown=0, NotChecked=0, Total=1056 [2024-11-12 02:46:17,122 INFO L435 NwaCegarLoop]: 132 mSDtfsCounter, 1859 mSDsluCounter, 747 mSDsCounter, 0 mSdLazyCounter, 1232 mSolverCounterSat, 287 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1859 SdHoareTripleChecker+Valid, 879 SdHoareTripleChecker+Invalid, 1519 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 287 IncrementalHoareTripleChecker+Valid, 1232 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-12 02:46:17,124 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1859 Valid, 879 Invalid, 1519 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [287 Valid, 1232 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-12 02:46:17,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 577 states. [2024-11-12 02:46:17,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 577 to 351. [2024-11-12 02:46:17,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 351 states, 266 states have (on average 1.4248120300751879) internal successors, (379), 267 states have internal predecessors, (379), 76 states have call successors, (76), 8 states have call predecessors, (76), 8 states have return successors, (76), 75 states have call predecessors, (76), 76 states have call successors, (76) [2024-11-12 02:46:17,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 531 transitions. [2024-11-12 02:46:17,157 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 531 transitions. Word has length 220 [2024-11-12 02:46:17,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 02:46:17,158 INFO L471 AbstractCegarLoop]: Abstraction has 351 states and 531 transitions. [2024-11-12 02:46:17,158 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 3.1176470588235294) internal successors, (53), 17 states have internal predecessors, (53), 3 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2024-11-12 02:46:17,158 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 531 transitions. [2024-11-12 02:46:17,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2024-11-12 02:46:17,161 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 02:46:17,161 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 02:46:17,162 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-12 02:46:17,162 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 02:46:17,162 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 02:46:17,163 INFO L85 PathProgramCache]: Analyzing trace with hash 1866161803, now seen corresponding path program 1 times [2024-11-12 02:46:17,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 02:46:17,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140615230] [2024-11-12 02:46:17,163 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 02:46:17,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 02:46:17,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:46:37,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 02:46:37,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:46:37,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 02:46:37,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:46:37,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 02:46:37,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:46:37,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 02:46:37,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:46:37,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 02:46:37,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:46:37,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 02:46:37,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:46:37,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 02:46:37,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:46:37,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 02:46:37,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:46:37,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 02:46:37,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:46:37,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 02:46:37,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:46:37,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 02:46:37,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:46:37,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 02:46:37,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:46:37,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 02:46:37,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:46:37,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 02:46:37,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:46:37,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 02:46:37,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:46:37,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 02:46:37,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:46:37,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 02:46:37,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:46:37,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 02:46:37,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:46:37,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 02:46:37,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:46:37,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 02:46:37,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:46:37,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 02:46:37,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:46:37,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 02:46:37,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:46:37,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-12 02:46:37,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:46:37,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-12 02:46:37,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:46:37,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-12 02:46:37,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:46:37,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-12 02:46:37,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:46:37,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-12 02:46:37,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:46:37,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-12 02:46:37,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:46:37,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-12 02:46:37,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:46:37,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-12 02:46:37,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:46:37,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-12 02:46:37,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:46:37,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-12 02:46:37,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:46:37,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-12 02:46:37,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:46:37,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-12 02:46:37,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:46:37,473 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-12 02:46:37,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 02:46:37,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [140615230] [2024-11-12 02:46:37,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [140615230] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 02:46:37,475 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 02:46:37,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-12 02:46:37,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173114735] [2024-11-12 02:46:37,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 02:46:37,476 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-12 02:46:37,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 02:46:37,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-12 02:46:37,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2024-11-12 02:46:37,478 INFO L87 Difference]: Start difference. First operand 351 states and 531 transitions. Second operand has 12 states, 12 states have (on average 4.416666666666667) internal successors, (53), 12 states have internal predecessors, (53), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-12 02:46:39,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 02:46:39,467 INFO L93 Difference]: Finished difference Result 895 states and 1375 transitions. [2024-11-12 02:46:39,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-12 02:46:39,467 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.416666666666667) internal successors, (53), 12 states have internal predecessors, (53), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 220 [2024-11-12 02:46:39,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 02:46:39,472 INFO L225 Difference]: With dead ends: 895 [2024-11-12 02:46:39,472 INFO L226 Difference]: Without dead ends: 719 [2024-11-12 02:46:39,473 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=110, Invalid=310, Unknown=0, NotChecked=0, Total=420 [2024-11-12 02:46:39,474 INFO L435 NwaCegarLoop]: 125 mSDtfsCounter, 672 mSDsluCounter, 815 mSDsCounter, 0 mSdLazyCounter, 1140 mSolverCounterSat, 116 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 672 SdHoareTripleChecker+Valid, 940 SdHoareTripleChecker+Invalid, 1256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 116 IncrementalHoareTripleChecker+Valid, 1140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-12 02:46:39,475 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [672 Valid, 940 Invalid, 1256 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [116 Valid, 1140 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-12 02:46:39,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 719 states. [2024-11-12 02:46:39,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 719 to 365. [2024-11-12 02:46:39,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 365 states, 280 states have (on average 1.4357142857142857) internal successors, (402), 281 states have internal predecessors, (402), 76 states have call successors, (76), 8 states have call predecessors, (76), 8 states have return successors, (76), 75 states have call predecessors, (76), 76 states have call successors, (76) [2024-11-12 02:46:39,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 554 transitions. [2024-11-12 02:46:39,517 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 554 transitions. Word has length 220 [2024-11-12 02:46:39,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 02:46:39,517 INFO L471 AbstractCegarLoop]: Abstraction has 365 states and 554 transitions. [2024-11-12 02:46:39,518 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.416666666666667) internal successors, (53), 12 states have internal predecessors, (53), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-12 02:46:39,518 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 554 transitions. [2024-11-12 02:46:39,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2024-11-12 02:46:39,520 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 02:46:39,521 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 02:46:39,521 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-12 02:46:39,521 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 02:46:39,521 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 02:46:39,522 INFO L85 PathProgramCache]: Analyzing trace with hash -2120767925, now seen corresponding path program 1 times [2024-11-12 02:46:39,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 02:46:39,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576292557] [2024-11-12 02:46:39,522 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 02:46:39,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 02:46:39,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat