./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-84.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-84.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 4fa328083b1d4aa3a21868494aa94d1f433f55ced0b8b3227cc831ea530b809d --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 09:01:38,429 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 09:01:38,480 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-20 09:01:38,486 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 09:01:38,487 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 09:01:38,503 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 09:01:38,505 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 09:01:38,506 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 09:01:38,506 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 09:01:38,507 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 09:01:38,508 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 09:01:38,508 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 09:01:38,518 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 09:01:38,519 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 09:01:38,519 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 09:01:38,519 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 09:01:38,520 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 09:01:38,520 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 09:01:38,520 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 09:01:38,520 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 09:01:38,520 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 09:01:38,521 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 09:01:38,521 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 09:01:38,521 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 09:01:38,522 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 09:01:38,522 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 09:01:38,523 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 09:01:38,523 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 09:01:38,523 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 09:01:38,524 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 09:01:38,524 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 09:01:38,524 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 09:01:38,524 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 09:01:38,525 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 09:01:38,525 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 09:01:38,525 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 09:01:38,525 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 09:01:38,526 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 09:01:38,526 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 09:01:38,526 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 09:01:38,526 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 09:01:38,529 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 09:01:38,529 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4fa328083b1d4aa3a21868494aa94d1f433f55ced0b8b3227cc831ea530b809d [2024-11-20 09:01:38,765 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 09:01:38,787 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 09:01:38,789 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 09:01:38,791 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 09:01:38,791 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 09:01:38,792 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-84.i [2024-11-20 09:01:40,317 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 09:01:40,496 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 09:01:40,496 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-84.i [2024-11-20 09:01:40,504 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6d3e76cb/a488e91a4fda49da93e3811bef98638f/FLAGbd183a5ea [2024-11-20 09:01:40,533 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6d3e76cb/a488e91a4fda49da93e3811bef98638f [2024-11-20 09:01:40,536 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 09:01:40,537 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 09:01:40,539 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 09:01:40,539 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 09:01:40,545 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 09:01:40,545 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:01:40" (1/1) ... [2024-11-20 09:01:40,546 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17f9a6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:01:40, skipping insertion in model container [2024-11-20 09:01:40,546 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:01:40" (1/1) ... [2024-11-20 09:01:40,569 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 09:01:40,717 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_variablewrapping_wrapper-s_file-84.i[916,929] [2024-11-20 09:01:40,761 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 09:01:40,770 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 09:01:40,781 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_variablewrapping_wrapper-s_file-84.i[916,929] [2024-11-20 09:01:40,807 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 09:01:40,832 INFO L204 MainTranslator]: Completed translation [2024-11-20 09:01:40,832 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:01:40 WrapperNode [2024-11-20 09:01:40,833 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 09:01:40,833 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 09:01:40,834 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 09:01:40,834 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 09:01:40,839 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:01:40" (1/1) ... [2024-11-20 09:01:40,850 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:01:40" (1/1) ... [2024-11-20 09:01:40,881 INFO L138 Inliner]: procedures = 30, calls = 154, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 424 [2024-11-20 09:01:40,881 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 09:01:40,882 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 09:01:40,882 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 09:01:40,882 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 09:01:40,891 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:01:40" (1/1) ... [2024-11-20 09:01:40,892 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:01:40" (1/1) ... [2024-11-20 09:01:40,900 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:01:40" (1/1) ... [2024-11-20 09:01:40,909 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2024-11-20 09:01:40,910 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:01:40" (1/1) ... [2024-11-20 09:01:40,910 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:01:40" (1/1) ... [2024-11-20 09:01:40,922 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:01:40" (1/1) ... [2024-11-20 09:01:40,926 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:01:40" (1/1) ... [2024-11-20 09:01:40,928 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:01:40" (1/1) ... [2024-11-20 09:01:40,930 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:01:40" (1/1) ... [2024-11-20 09:01:40,934 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 09:01:40,934 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 09:01:40,935 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 09:01:40,935 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 09:01:40,935 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:01:40" (1/1) ... [2024-11-20 09:01:40,940 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 09:01:40,948 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 09:01:40,967 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) [2024-11-20 09:01:40,971 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 [2024-11-20 09:01:41,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 09:01:41,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2024-11-20 09:01:41,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-20 09:01:41,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-20 09:01:41,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-20 09:01:41,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-20 09:01:41,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-20 09:01:41,009 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-20 09:01:41,009 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-20 09:01:41,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-20 09:01:41,009 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 09:01:41,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 09:01:41,113 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 09:01:41,115 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 09:01:41,674 INFO L? ?]: Removed 98 outVars from TransFormulas that were not future-live. [2024-11-20 09:01:41,674 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 09:01:41,688 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 09:01:41,691 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-20 09:01:41,692 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:01:41 BoogieIcfgContainer [2024-11-20 09:01:41,693 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 09:01:41,695 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 09:01:41,695 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 09:01:41,698 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 09:01:41,698 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 09:01:40" (1/3) ... [2024-11-20 09:01:41,699 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4143bb4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:01:41, skipping insertion in model container [2024-11-20 09:01:41,700 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:01:40" (2/3) ... [2024-11-20 09:01:41,700 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4143bb4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:01:41, skipping insertion in model container [2024-11-20 09:01:41,700 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:01:41" (3/3) ... [2024-11-20 09:01:41,702 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-84.i [2024-11-20 09:01:41,716 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 09:01:41,716 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 09:01:41,768 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 09:01:41,774 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;@2b261a1a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 09:01:41,774 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 09:01:41,778 INFO L276 IsEmpty]: Start isEmpty. Operand has 103 states, 80 states have (on average 1.35) internal successors, (108), 81 states have internal predecessors, (108), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-20 09:01:41,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-20 09:01:41,791 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 09:01:41,792 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 09:01:41,792 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 09:01:41,796 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 09:01:41,797 INFO L85 PathProgramCache]: Analyzing trace with hash 924800917, now seen corresponding path program 1 times [2024-11-20 09:01:41,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 09:01:41,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546883384] [2024-11-20 09:01:41,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 09:01:41,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 09:01:42,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:01:42,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 09:01:42,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:01:42,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 09:01:42,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:01:42,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 09:01:42,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:01:42,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 09:01:42,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:01:42,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 09:01:42,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:01:42,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 09:01:42,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:01:42,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 09:01:42,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:01:42,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 09:01:42,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:01:42,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 09:01:42,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:01:42,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 09:01:42,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:01:42,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 09:01:42,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:01:42,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 09:01:42,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:01:42,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 09:01:42,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:01:42,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 09:01:42,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:01:42,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 09:01:42,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:01:42,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 09:01:42,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:01:42,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 09:01:42,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:01:42,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 09:01:42,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:01:42,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 09:01:42,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:01:42,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 09:01:42,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:01:42,268 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-20 09:01:42,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 09:01:42,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546883384] [2024-11-20 09:01:42,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1546883384] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 09:01:42,269 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 09:01:42,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 09:01:42,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20673476] [2024-11-20 09:01:42,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 09:01:42,274 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-20 09:01:42,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 09:01:42,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-20 09:01:42,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 09:01:42,292 INFO L87 Difference]: Start difference. First operand has 103 states, 80 states have (on average 1.35) internal successors, (108), 81 states have internal predecessors, (108), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-20 09:01:42,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 09:01:42,313 INFO L93 Difference]: Finished difference Result 199 states and 310 transitions. [2024-11-20 09:01:42,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-20 09:01:42,315 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) Word has length 150 [2024-11-20 09:01:42,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 09:01:42,321 INFO L225 Difference]: With dead ends: 199 [2024-11-20 09:01:42,321 INFO L226 Difference]: Without dead ends: 99 [2024-11-20 09:01:42,324 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 09:01:42,326 INFO L432 NwaCegarLoop]: 141 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, 141 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 [2024-11-20 09:01:42,327 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 09:01:42,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2024-11-20 09:01:42,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2024-11-20 09:01:42,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 77 states have (on average 1.3116883116883118) internal successors, (101), 77 states have internal predecessors, (101), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-20 09:01:42,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 141 transitions. [2024-11-20 09:01:42,360 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 141 transitions. Word has length 150 [2024-11-20 09:01:42,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 09:01:42,360 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 141 transitions. [2024-11-20 09:01:42,360 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-20 09:01:42,360 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 141 transitions. [2024-11-20 09:01:42,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-20 09:01:42,363 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 09:01:42,363 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 09:01:42,363 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 09:01:42,363 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 09:01:42,364 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 09:01:42,364 INFO L85 PathProgramCache]: Analyzing trace with hash 1032707065, now seen corresponding path program 1 times [2024-11-20 09:01:42,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 09:01:42,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118846553] [2024-11-20 09:01:42,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 09:01:42,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 09:01:42,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:01:42,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 09:01:42,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:01:42,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 09:01:42,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:01:42,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 09:01:42,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:01:42,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 09:01:42,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:01:42,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 09:01:42,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:01:42,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 09:01:42,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:01:42,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 09:01:42,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:01:42,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 09:01:42,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:01:42,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 09:01:42,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:01:42,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 09:01:42,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:01:42,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 09:01:42,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:01:42,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 09:01:42,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:01:42,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 09:01:42,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:01:42,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 09:01:42,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:01:42,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 09:01:42,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:01:42,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 09:01:42,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:01:42,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 09:01:42,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:01:42,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 09:01:42,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:01:42,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 09:01:42,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:01:42,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 09:01:42,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:01:42,633 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-20 09:01:42,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 09:01:42,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118846553] [2024-11-20 09:01:42,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [118846553] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 09:01:42,634 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 09:01:42,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 09:01:42,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479643297] [2024-11-20 09:01:42,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 09:01:42,640 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 09:01:42,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 09:01:42,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 09:01:42,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 09:01:42,641 INFO L87 Difference]: Start difference. First operand 99 states and 141 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-20 09:01:42,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 09:01:42,707 INFO L93 Difference]: Finished difference Result 198 states and 283 transitions. [2024-11-20 09:01:42,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 09:01:42,708 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 150 [2024-11-20 09:01:42,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 09:01:42,710 INFO L225 Difference]: With dead ends: 198 [2024-11-20 09:01:42,711 INFO L226 Difference]: Without dead ends: 102 [2024-11-20 09:01:42,716 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 09:01:42,717 INFO L432 NwaCegarLoop]: 138 mSDtfsCounter, 1 mSDsluCounter, 267 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 405 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 09:01:42,719 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 405 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 09:01:42,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2024-11-20 09:01:42,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 101. [2024-11-20 09:01:42,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 79 states have (on average 1.3037974683544304) internal successors, (103), 79 states have internal predecessors, (103), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-20 09:01:42,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 143 transitions. [2024-11-20 09:01:42,730 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 143 transitions. Word has length 150 [2024-11-20 09:01:42,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 09:01:42,732 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 143 transitions. [2024-11-20 09:01:42,732 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-20 09:01:42,732 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 143 transitions. [2024-11-20 09:01:42,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-20 09:01:42,758 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 09:01:42,758 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 09:01:42,758 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 09:01:42,759 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 09:01:42,759 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 09:01:42,759 INFO L85 PathProgramCache]: Analyzing trace with hash 1034554107, now seen corresponding path program 1 times [2024-11-20 09:01:42,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 09:01:42,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332144057] [2024-11-20 09:01:42,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 09:01:42,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 09:01:42,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:01:43,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 09:01:43,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:01:43,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 09:01:43,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:01:43,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 09:01:43,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:01:43,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 09:01:43,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:01:43,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 09:01:43,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:01:43,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 09:01:43,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:01:43,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 09:01:43,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:01:43,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 09:01:43,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:01:43,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 09:01:43,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:01:43,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 09:01:43,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:01:43,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 09:01:43,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:01:43,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 09:01:43,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:01:43,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 09:01:43,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:01:43,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 09:01:43,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:01:43,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 09:01:43,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:01:43,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 09:01:43,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:01:43,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 09:01:43,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:01:43,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 09:01:43,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:01:43,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 09:01:43,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:01:43,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 09:01:43,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:01:43,546 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-20 09:01:43,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 09:01:43,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332144057] [2024-11-20 09:01:43,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1332144057] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 09:01:43,549 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 09:01:43,549 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 09:01:43,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532072300] [2024-11-20 09:01:43,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 09:01:43,550 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 09:01:43,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 09:01:43,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 09:01:43,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-20 09:01:43,553 INFO L87 Difference]: Start difference. First operand 101 states and 143 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-20 09:01:44,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 09:01:44,096 INFO L93 Difference]: Finished difference Result 324 states and 459 transitions. [2024-11-20 09:01:44,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 09:01:44,097 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 150 [2024-11-20 09:01:44,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 09:01:44,099 INFO L225 Difference]: With dead ends: 324 [2024-11-20 09:01:44,099 INFO L226 Difference]: Without dead ends: 226 [2024-11-20 09:01:44,099 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-20 09:01:44,100 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 194 mSDsluCounter, 239 mSDsCounter, 0 mSdLazyCounter, 227 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 306 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-20 09:01:44,101 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 321 Invalid, 306 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 227 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-20 09:01:44,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2024-11-20 09:01:44,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 199. [2024-11-20 09:01:44,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 156 states have (on average 1.294871794871795) internal successors, (202), 156 states have internal predecessors, (202), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-20 09:01:44,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 282 transitions. [2024-11-20 09:01:44,118 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 282 transitions. Word has length 150 [2024-11-20 09:01:44,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 09:01:44,119 INFO L471 AbstractCegarLoop]: Abstraction has 199 states and 282 transitions. [2024-11-20 09:01:44,119 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-20 09:01:44,119 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 282 transitions. [2024-11-20 09:01:44,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-20 09:01:44,120 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 09:01:44,121 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 09:01:44,121 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 09:01:44,121 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 09:01:44,121 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 09:01:44,121 INFO L85 PathProgramCache]: Analyzing trace with hash 2120166937, now seen corresponding path program 1 times [2024-11-20 09:01:44,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 09:01:44,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512647607] [2024-11-20 09:01:44,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 09:01:44,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 09:01:44,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:01:46,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 09:01:46,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:01:46,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 09:01:46,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:01:46,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 09:01:46,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:01:46,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 09:01:46,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:01:46,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 09:01:46,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:01:46,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 09:01:46,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:01:46,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 09:01:46,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:01:46,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 09:01:46,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:01:46,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 09:01:46,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:01:46,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 09:01:46,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:01:46,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 09:01:46,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:01:46,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 09:01:46,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:01:46,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 09:01:46,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:01:46,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 09:01:46,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:01:46,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 09:01:46,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:01:46,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 09:01:46,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:01:46,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 09:01:46,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:01:46,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 09:01:46,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:01:46,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 09:01:46,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:01:46,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 09:01:46,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:01:46,255 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-20 09:01:46,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 09:01:46,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512647607] [2024-11-20 09:01:46,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [512647607] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 09:01:46,256 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 09:01:46,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-20 09:01:46,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657923186] [2024-11-20 09:01:46,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 09:01:46,258 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-20 09:01:46,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 09:01:46,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-20 09:01:46,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2024-11-20 09:01:46,259 INFO L87 Difference]: Start difference. First operand 199 states and 282 transitions. Second operand has 14 states, 12 states have (on average 5.083333333333333) internal successors, (61), 14 states have internal predecessors, (61), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-20 09:01:47,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 09:01:47,388 INFO L93 Difference]: Finished difference Result 485 states and 685 transitions. [2024-11-20 09:01:47,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-20 09:01:47,388 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 12 states have (on average 5.083333333333333) internal successors, (61), 14 states have internal predecessors, (61), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 3 states have call successors, (20) Word has length 158 [2024-11-20 09:01:47,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 09:01:47,390 INFO L225 Difference]: With dead ends: 485 [2024-11-20 09:01:47,391 INFO L226 Difference]: Without dead ends: 289 [2024-11-20 09:01:47,395 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=56, Invalid=324, Unknown=0, NotChecked=0, Total=380 [2024-11-20 09:01:47,396 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 60 mSDsluCounter, 798 mSDsCounter, 0 mSdLazyCounter, 683 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 901 SdHoareTripleChecker+Invalid, 685 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 683 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-20 09:01:47,397 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 901 Invalid, 685 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 683 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-20 09:01:47,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2024-11-20 09:01:47,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 233. [2024-11-20 09:01:47,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 233 states, 190 states have (on average 1.3105263157894738) internal successors, (249), 190 states have internal predecessors, (249), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-20 09:01:47,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 329 transitions. [2024-11-20 09:01:47,432 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 329 transitions. Word has length 158 [2024-11-20 09:01:47,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 09:01:47,432 INFO L471 AbstractCegarLoop]: Abstraction has 233 states and 329 transitions. [2024-11-20 09:01:47,433 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 12 states have (on average 5.083333333333333) internal successors, (61), 14 states have internal predecessors, (61), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-20 09:01:47,433 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 329 transitions. [2024-11-20 09:01:47,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-20 09:01:47,434 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 09:01:47,434 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 09:01:47,434 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-20 09:01:47,434 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 09:01:47,435 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 09:01:47,435 INFO L85 PathProgramCache]: Analyzing trace with hash -1171616002, now seen corresponding path program 1 times [2024-11-20 09:01:47,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 09:01:47,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176145944] [2024-11-20 09:01:47,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 09:01:47,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 09:01:47,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:01:49,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 09:01:49,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:01:49,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 09:01:49,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:01:49,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 09:01:49,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:01:49,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 09:01:49,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:01:49,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 09:01:49,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:01:49,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 09:01:49,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:01:49,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 09:01:49,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:01:49,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 09:01:49,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:01:49,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 09:01:49,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:01:49,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 09:01:49,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:01:49,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 09:01:49,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:01:49,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 09:01:49,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:01:49,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 09:01:49,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:01:49,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 09:01:49,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:01:49,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 09:01:49,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:01:49,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 09:01:49,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:01:49,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 09:01:49,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:01:49,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 09:01:49,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:01:49,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 09:01:49,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:01:49,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 09:01:49,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:01:49,284 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-20 09:01:49,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 09:01:49,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176145944] [2024-11-20 09:01:49,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [176145944] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 09:01:49,286 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 09:01:49,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-20 09:01:49,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816743287] [2024-11-20 09:01:49,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 09:01:49,287 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-20 09:01:49,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 09:01:49,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-20 09:01:49,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-20 09:01:49,288 INFO L87 Difference]: Start difference. First operand 233 states and 329 transitions. Second operand has 12 states, 9 states have (on average 7.0) internal successors, (63), 12 states have internal predecessors, (63), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 4 states have call successors, (20) [2024-11-20 09:01:50,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 09:01:50,388 INFO L93 Difference]: Finished difference Result 539 states and 754 transitions. [2024-11-20 09:01:50,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-20 09:01:50,389 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 7.0) internal successors, (63), 12 states have internal predecessors, (63), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 4 states have call successors, (20) Word has length 160 [2024-11-20 09:01:50,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 09:01:50,391 INFO L225 Difference]: With dead ends: 539 [2024-11-20 09:01:50,393 INFO L226 Difference]: Without dead ends: 309 [2024-11-20 09:01:50,394 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2024-11-20 09:01:50,394 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 59 mSDsluCounter, 717 mSDsCounter, 0 mSdLazyCounter, 726 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 820 SdHoareTripleChecker+Invalid, 731 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 726 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-20 09:01:50,397 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 820 Invalid, 731 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 726 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-20 09:01:50,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2024-11-20 09:01:50,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 305. [2024-11-20 09:01:50,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 256 states have (on average 1.30859375) internal successors, (335), 258 states have internal predecessors, (335), 44 states have call successors, (44), 4 states have call predecessors, (44), 4 states have return successors, (44), 42 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-20 09:01:50,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 423 transitions. [2024-11-20 09:01:50,430 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 423 transitions. Word has length 160 [2024-11-20 09:01:50,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 09:01:50,430 INFO L471 AbstractCegarLoop]: Abstraction has 305 states and 423 transitions. [2024-11-20 09:01:50,431 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 7.0) internal successors, (63), 12 states have internal predecessors, (63), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 4 states have call successors, (20) [2024-11-20 09:01:50,431 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 423 transitions. [2024-11-20 09:01:50,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-20 09:01:50,432 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 09:01:50,433 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 09:01:50,433 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-20 09:01:50,434 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 09:01:50,435 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 09:01:50,435 INFO L85 PathProgramCache]: Analyzing trace with hash 269132564, now seen corresponding path program 1 times [2024-11-20 09:01:50,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 09:01:50,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661559239] [2024-11-20 09:01:50,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 09:01:50,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 09:01:50,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat