/usr/bin/java -Xmx7000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --traceabstraction.prune.known.deadend.states.from.previous.iterations false -s ../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/chl-exp-term-symm.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.dynamic-abstractions-e2ee32c-m [2023-09-07 05:42:15,331 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-09-07 05:42:15,386 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf [2023-09-07 05:42:15,390 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-09-07 05:42:15,391 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-09-07 05:42:15,391 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-09-07 05:42:15,414 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-09-07 05:42:15,415 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-09-07 05:42:15,415 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-09-07 05:42:15,418 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-09-07 05:42:15,418 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-09-07 05:42:15,419 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-09-07 05:42:15,419 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-09-07 05:42:15,420 INFO L153 SettingsManager]: * Use SBE=true [2023-09-07 05:42:15,420 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-09-07 05:42:15,421 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-09-07 05:42:15,421 INFO L153 SettingsManager]: * sizeof long=4 [2023-09-07 05:42:15,421 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-09-07 05:42:15,421 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-09-07 05:42:15,421 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-09-07 05:42:15,421 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-09-07 05:42:15,422 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-09-07 05:42:15,422 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-09-07 05:42:15,422 INFO L153 SettingsManager]: * sizeof long double=12 [2023-09-07 05:42:15,422 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-09-07 05:42:15,422 INFO L153 SettingsManager]: * Use constant arrays=true [2023-09-07 05:42:15,423 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-09-07 05:42:15,423 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-09-07 05:42:15,423 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-09-07 05:42:15,423 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-09-07 05:42:15,424 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-07 05:42:15,424 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-09-07 05:42:15,424 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-09-07 05:42:15,425 INFO L153 SettingsManager]: * Abstraction for dynamic stratified reduction=VARIABLES_GLOBAL [2023-09-07 05:42:15,425 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-09-07 05:42:15,425 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-09-07 05:42:15,425 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-09-07 05:42:15,425 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-09-07 05:42:15,425 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-09-07 05:42:15,425 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-09-07 05:42:15,426 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=DYNAMIC_ABSTRACTIONS [2023-09-07 05:42:15,426 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION [2023-09-07 05:42:15,613 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-09-07 05:42:15,633 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-09-07 05:42:15,634 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-09-07 05:42:15,635 INFO L270 PluginConnector]: Initializing CDTParser... [2023-09-07 05:42:15,635 INFO L274 PluginConnector]: CDTParser initialized [2023-09-07 05:42:15,636 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-exp-term-symm.wvr.c [2023-09-07 05:42:16,578 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-09-07 05:42:16,728 INFO L384 CDTParser]: Found 1 translation units. [2023-09-07 05:42:16,728 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-exp-term-symm.wvr.c [2023-09-07 05:42:16,734 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34ca571f9/fc9d6a0e792b4c65baa0311fd5ec7e2a/FLAGe3f13b23e [2023-09-07 05:42:16,750 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34ca571f9/fc9d6a0e792b4c65baa0311fd5ec7e2a [2023-09-07 05:42:16,753 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-09-07 05:42:16,754 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-09-07 05:42:16,757 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-09-07 05:42:16,757 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-09-07 05:42:16,760 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-09-07 05:42:16,761 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 05:42:16" (1/1) ... [2023-09-07 05:42:16,761 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@542e14a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 05:42:16, skipping insertion in model container [2023-09-07 05:42:16,761 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 05:42:16" (1/1) ... [2023-09-07 05:42:16,778 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-09-07 05:42:16,910 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-exp-term-symm.wvr.c[2628,2641] [2023-09-07 05:42:16,919 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-07 05:42:16,925 INFO L202 MainTranslator]: Completed pre-run [2023-09-07 05:42:16,946 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-exp-term-symm.wvr.c[2628,2641] [2023-09-07 05:42:16,948 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-07 05:42:16,957 INFO L206 MainTranslator]: Completed translation [2023-09-07 05:42:16,959 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 05:42:16 WrapperNode [2023-09-07 05:42:16,960 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-09-07 05:42:16,960 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-09-07 05:42:16,960 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-09-07 05:42:16,960 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-09-07 05:42:16,965 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 05:42:16" (1/1) ... [2023-09-07 05:42:16,978 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 05:42:16" (1/1) ... [2023-09-07 05:42:17,002 INFO L138 Inliner]: procedures = 22, calls = 25, calls flagged for inlining = 9, calls inlined = 11, statements flattened = 132 [2023-09-07 05:42:17,002 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-09-07 05:42:17,003 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-09-07 05:42:17,003 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-09-07 05:42:17,003 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-09-07 05:42:17,009 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 05:42:16" (1/1) ... [2023-09-07 05:42:17,009 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 05:42:16" (1/1) ... [2023-09-07 05:42:17,012 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 05:42:16" (1/1) ... [2023-09-07 05:42:17,012 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 05:42:16" (1/1) ... [2023-09-07 05:42:17,015 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 05:42:16" (1/1) ... [2023-09-07 05:42:17,016 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 05:42:16" (1/1) ... [2023-09-07 05:42:17,017 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 05:42:16" (1/1) ... [2023-09-07 05:42:17,018 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 05:42:16" (1/1) ... [2023-09-07 05:42:17,019 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-09-07 05:42:17,020 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-09-07 05:42:17,020 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-09-07 05:42:17,020 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-09-07 05:42:17,021 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 05:42:16" (1/1) ... [2023-09-07 05:42:17,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-07 05:42:17,038 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 05:42:17,052 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-09-07 05:42:17,081 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-09-07 05:42:17,097 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-09-07 05:42:17,098 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-09-07 05:42:17,098 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-09-07 05:42:17,098 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-09-07 05:42:17,098 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-09-07 05:42:17,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-09-07 05:42:17,098 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-09-07 05:42:17,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-09-07 05:42:17,098 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-09-07 05:42:17,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-09-07 05:42:17,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-09-07 05:42:17,098 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-09-07 05:42:17,099 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-09-07 05:42:17,172 INFO L236 CfgBuilder]: Building ICFG [2023-09-07 05:42:17,173 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-09-07 05:42:17,330 INFO L277 CfgBuilder]: Performing block encoding [2023-09-07 05:42:17,336 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-09-07 05:42:17,336 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-09-07 05:42:17,337 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 05:42:17 BoogieIcfgContainer [2023-09-07 05:42:17,337 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-09-07 05:42:17,339 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-09-07 05:42:17,339 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-09-07 05:42:17,341 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-09-07 05:42:17,341 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.09 05:42:16" (1/3) ... [2023-09-07 05:42:17,341 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16d626c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.09 05:42:17, skipping insertion in model container [2023-09-07 05:42:17,342 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 05:42:16" (2/3) ... [2023-09-07 05:42:17,342 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16d626c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.09 05:42:17, skipping insertion in model container [2023-09-07 05:42:17,342 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 05:42:17" (3/3) ... [2023-09-07 05:42:17,343 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-exp-term-symm.wvr.c [2023-09-07 05:42:17,349 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-09-07 05:42:17,355 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-09-07 05:42:17,356 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-09-07 05:42:17,356 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-09-07 05:42:17,422 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-09-07 05:42:17,458 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-07 05:42:17,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-09-07 05:42:17,459 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 05:42:17,460 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-09-07 05:42:17,460 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-09-07 05:42:17,512 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-09-07 05:42:17,519 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2023-09-07 05:42:17,525 INFO L357 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, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@958749, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-07 05:42:17,525 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. Found a loop, use abstraction hammer [2023-09-07 05:42:17,580 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 05:42:17,584 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 05:42:17,584 INFO L85 PathProgramCache]: Analyzing trace with hash 1257572374, now seen corresponding path program 1 times [2023-09-07 05:42:17,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 05:42:17,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64554347] [2023-09-07 05:42:17,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 05:42:17,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 05:42:17,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 05:42:17,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-07 05:42:17,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 05:42:17,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [64554347] [2023-09-07 05:42:17,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [64554347] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-07 05:42:17,884 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-07 05:42:17,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-09-07 05:42:17,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575942402] [2023-09-07 05:42:17,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-07 05:42:17,889 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-09-07 05:42:17,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 05:42:17,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-09-07 05:42:17,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-09-07 05:42:17,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 05:42:17,908 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 05:42:17,908 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 42.0) internal successors, (84), 2 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-07 05:42:17,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 05:42:17,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 05:42:17,942 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-09-07 05:42:17,942 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 05:42:17,943 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 05:42:17,943 INFO L85 PathProgramCache]: Analyzing trace with hash 1515401512, now seen corresponding path program 1 times [2023-09-07 05:42:17,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 05:42:17,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888655733] [2023-09-07 05:42:17,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 05:42:17,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 05:42:17,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 05:42:18,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-07 05:42:18,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 05:42:18,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888655733] [2023-09-07 05:42:18,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [888655733] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-07 05:42:18,188 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-07 05:42:18,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-09-07 05:42:18,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235467423] [2023-09-07 05:42:18,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-07 05:42:18,189 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-09-07 05:42:18,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 05:42:18,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-09-07 05:42:18,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-09-07 05:42:18,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 05:42:18,190 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 05:42:18,191 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.125) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-07 05:42:18,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 05:42:18,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2023-09-07 05:42:18,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 05:42:18,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-09-07 05:42:18,338 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-09-07 05:42:18,338 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 05:42:18,338 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 05:42:18,339 INFO L85 PathProgramCache]: Analyzing trace with hash -1422300700, now seen corresponding path program 1 times [2023-09-07 05:42:18,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 05:42:18,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176795184] [2023-09-07 05:42:18,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 05:42:18,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 05:42:18,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 05:42:18,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-07 05:42:18,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 05:42:18,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176795184] [2023-09-07 05:42:18,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [176795184] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-07 05:42:18,584 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-07 05:42:18,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-09-07 05:42:18,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463863738] [2023-09-07 05:42:18,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-07 05:42:18,585 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-09-07 05:42:18,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 05:42:18,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-09-07 05:42:18,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-09-07 05:42:18,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 05:42:18,586 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 05:42:18,586 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-07 05:42:18,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 05:42:18,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-09-07 05:42:18,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2023-09-07 05:42:18,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 05:42:18,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-09-07 05:42:18,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-07 05:42:18,641 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-09-07 05:42:18,641 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 05:42:18,642 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 05:42:18,642 INFO L85 PathProgramCache]: Analyzing trace with hash 1841812231, now seen corresponding path program 1 times [2023-09-07 05:42:18,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 05:42:18,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267522894] [2023-09-07 05:42:18,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 05:42:18,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 05:42:18,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 05:42:18,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-07 05:42:18,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 05:42:18,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267522894] [2023-09-07 05:42:18,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [267522894] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-07 05:42:18,792 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-07 05:42:18,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-09-07 05:42:18,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440231141] [2023-09-07 05:42:18,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-07 05:42:18,794 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-09-07 05:42:18,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 05:42:18,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-09-07 05:42:18,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-09-07 05:42:18,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 05:42:18,796 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 05:42:18,796 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-07 05:42:18,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 05:42:18,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-09-07 05:42:18,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-09-07 05:42:18,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2023-09-07 05:42:18,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 05:42:18,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-09-07 05:42:18,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-07 05:42:18,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-07 05:42:18,845 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-09-07 05:42:18,845 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 05:42:18,850 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 05:42:18,851 INFO L85 PathProgramCache]: Analyzing trace with hash -1108267941, now seen corresponding path program 1 times [2023-09-07 05:42:18,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 05:42:18,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074813130] [2023-09-07 05:42:18,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 05:42:18,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 05:42:18,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 05:42:19,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-07 05:42:19,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 05:42:19,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074813130] [2023-09-07 05:42:19,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2074813130] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-07 05:42:19,345 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-07 05:42:19,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2023-09-07 05:42:19,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232388485] [2023-09-07 05:42:19,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-07 05:42:19,346 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-09-07 05:42:19,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 05:42:19,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-09-07 05:42:19,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=266, Unknown=0, NotChecked=0, Total=306 [2023-09-07 05:42:19,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 05:42:19,347 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 05:42:19,347 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 5.611111111111111) internal successors, (101), 18 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-07 05:42:19,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 05:42:19,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-09-07 05:42:19,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-09-07 05:42:19,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-09-07 05:42:19,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2023-09-07 05:42:21,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 05:42:21,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-09-07 05:42:21,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-07 05:42:21,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-07 05:42:21,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-09-07 05:42:21,073 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-09-07 05:42:21,073 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 05:42:21,074 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 05:42:21,074 INFO L85 PathProgramCache]: Analyzing trace with hash 58689412, now seen corresponding path program 1 times [2023-09-07 05:42:21,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 05:42:21,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897975639] [2023-09-07 05:42:21,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 05:42:21,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 05:42:21,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 05:42:21,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-07 05:42:21,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 05:42:21,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897975639] [2023-09-07 05:42:21,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1897975639] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-07 05:42:21,138 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-07 05:42:21,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-09-07 05:42:21,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132113571] [2023-09-07 05:42:21,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-07 05:42:21,139 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-09-07 05:42:21,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 05:42:21,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-09-07 05:42:21,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-09-07 05:42:21,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 05:42:21,140 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 05:42:21,140 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-07 05:42:21,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 05:42:21,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-09-07 05:42:21,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-09-07 05:42:21,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-09-07 05:42:21,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2023-09-07 05:42:21,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2023-09-07 05:42:21,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 05:42:21,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-09-07 05:42:21,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-07 05:42:21,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-07 05:42:21,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-09-07 05:42:21,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-07 05:42:21,437 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-09-07 05:42:21,437 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 05:42:21,438 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 05:42:21,438 INFO L85 PathProgramCache]: Analyzing trace with hash 1642699619, now seen corresponding path program 1 times [2023-09-07 05:42:21,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 05:42:21,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545800709] [2023-09-07 05:42:21,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 05:42:21,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 05:42:21,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 05:42:21,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-07 05:42:21,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 05:42:21,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545800709] [2023-09-07 05:42:21,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1545800709] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-07 05:42:21,577 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-07 05:42:21,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-09-07 05:42:21,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707962047] [2023-09-07 05:42:21,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-07 05:42:21,577 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-09-07 05:42:21,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 05:42:21,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-09-07 05:42:21,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2023-09-07 05:42:21,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 05:42:21,578 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 05:42:21,578 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.909090909090909) internal successors, (87), 11 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-07 05:42:21,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 05:42:21,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-09-07 05:42:21,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-09-07 05:42:21,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-09-07 05:42:21,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2023-09-07 05:42:21,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-09-07 05:42:21,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2023-09-07 05:42:22,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 05:42:22,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-09-07 05:42:22,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-07 05:42:22,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-07 05:42:22,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-09-07 05:42:22,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-07 05:42:22,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-09-07 05:42:22,608 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-09-07 05:42:22,608 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 05:42:22,609 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 05:42:22,609 INFO L85 PathProgramCache]: Analyzing trace with hash -29863741, now seen corresponding path program 1 times [2023-09-07 05:42:22,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 05:42:22,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216938897] [2023-09-07 05:42:22,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 05:42:22,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 05:42:22,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 05:42:22,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-07 05:42:22,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 05:42:22,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216938897] [2023-09-07 05:42:22,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1216938897] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-07 05:42:22,746 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-07 05:42:22,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-09-07 05:42:22,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421424497] [2023-09-07 05:42:22,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-07 05:42:22,746 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-09-07 05:42:22,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 05:42:22,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-09-07 05:42:22,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2023-09-07 05:42:22,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 05:42:22,747 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 05:42:22,747 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.909090909090909) internal successors, (87), 11 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-07 05:42:22,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 05:42:22,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-09-07 05:42:22,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-09-07 05:42:22,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-09-07 05:42:22,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2023-09-07 05:42:22,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-09-07 05:42:22,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-09-07 05:42:22,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2023-09-07 05:42:25,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 05:42:25,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-09-07 05:42:25,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-07 05:42:25,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-07 05:42:25,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-09-07 05:42:25,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-07 05:42:25,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-09-07 05:42:25,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-09-07 05:42:25,428 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-09-07 05:42:25,428 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 05:42:25,429 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 05:42:25,429 INFO L85 PathProgramCache]: Analyzing trace with hash -1293214693, now seen corresponding path program 1 times [2023-09-07 05:42:25,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 05:42:25,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376935115] [2023-09-07 05:42:25,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 05:42:25,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 05:42:25,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 05:42:25,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-07 05:42:25,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 05:42:25,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376935115] [2023-09-07 05:42:25,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1376935115] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-07 05:42:25,582 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-07 05:42:25,582 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-09-07 05:42:25,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954163097] [2023-09-07 05:42:25,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-07 05:42:25,583 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-09-07 05:42:25,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 05:42:25,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-09-07 05:42:25,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-09-07 05:42:25,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 05:42:25,583 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 05:42:25,583 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.25) internal successors, (101), 4 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-07 05:42:25,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 05:42:25,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-09-07 05:42:25,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-09-07 05:42:25,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-09-07 05:42:25,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2023-09-07 05:42:25,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-09-07 05:42:25,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-09-07 05:42:25,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-09-07 05:42:25,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2023-09-07 05:42:28,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 05:42:28,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-09-07 05:42:28,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-07 05:42:28,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-07 05:42:28,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-09-07 05:42:28,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-07 05:42:28,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-09-07 05:42:28,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-09-07 05:42:28,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 05:42:28,233 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-09-07 05:42:28,233 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 05:42:28,233 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 05:42:28,233 INFO L85 PathProgramCache]: Analyzing trace with hash -1432281138, now seen corresponding path program 1 times [2023-09-07 05:42:28,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 05:42:28,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321897788] [2023-09-07 05:42:28,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 05:42:28,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 05:42:28,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 05:42:28,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-07 05:42:28,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 05:42:28,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [321897788] [2023-09-07 05:42:28,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [321897788] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-07 05:42:28,903 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-07 05:42:28,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2023-09-07 05:42:28,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962300732] [2023-09-07 05:42:28,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-07 05:42:28,904 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2023-09-07 05:42:28,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 05:42:28,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2023-09-07 05:42:28,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=692, Unknown=0, NotChecked=0, Total=756 [2023-09-07 05:42:28,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 05:42:28,904 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 05:42:28,905 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 4.321428571428571) internal successors, (121), 28 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-07 05:42:28,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 05:42:28,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-09-07 05:42:28,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-09-07 05:42:28,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-09-07 05:42:28,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-09-07 05:42:28,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-09-07 05:42:28,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-09-07 05:42:28,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-09-07 05:42:28,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-07 05:42:28,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2023-09-07 05:47:46,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 05:47:46,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-09-07 05:47:46,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-07 05:47:46,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-07 05:47:46,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-09-07 05:47:46,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-07 05:47:46,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-09-07 05:47:46,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-09-07 05:47:46,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-07 05:47:46,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2023-09-07 05:47:46,399 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-09-07 05:47:46,400 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-09-07 05:47:46,417 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-07 05:47:46,418 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was SAFE (1/3) [2023-09-07 05:47:46,420 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-07 05:47:46,421 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-09-07 05:47:46,421 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 05:47:46,469 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-09-07 05:47:46,470 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2023-09-07 05:47:46,475 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-09-07 05:47:46,475 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2023-09-07 05:47:46,475 INFO L357 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, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@958749, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-07 05:47:46,475 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-09-07 05:47:46,478 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-09-07 05:47:46,478 INFO L445 BasicCegarLoop]: Path program histogram: [] [2023-09-07 05:47:46,478 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (2/3) [2023-09-07 05:47:46,494 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-07 05:47:46,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-09-07 05:47:46,494 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 05:47:46,496 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-09-07 05:47:46,501 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-09-07 05:47:46,501 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2023-09-07 05:47:46,501 INFO L357 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, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@958749, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-07 05:47:46,501 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2023-09-07 05:47:46,501 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Waiting until timeout for monitored process Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2023-09-07 05:47:46,606 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-09-07 05:47:46,607 INFO L445 BasicCegarLoop]: Path program histogram: [] [2023-09-07 05:47:46,607 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (3/3) [2023-09-07 05:47:46,608 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-09-07 05:47:46,608 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-09-07 05:47:46,611 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.09 05:47:46 BasicIcfg [2023-09-07 05:47:46,611 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-09-07 05:47:46,611 INFO L158 Benchmark]: Toolchain (without parser) took 329856.71ms. Allocated memory was 307.2MB in the beginning and 599.8MB in the end (delta: 292.6MB). Free memory was 269.0MB in the beginning and 351.6MB in the end (delta: -82.6MB). Peak memory consumption was 210.4MB. Max. memory is 7.0GB. [2023-09-07 05:47:46,611 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 191.9MB. Free memory is still 143.1MB. There was no memory consumed. Max. memory is 7.0GB. [2023-09-07 05:47:46,611 INFO L158 Benchmark]: CACSL2BoogieTranslator took 202.73ms. Allocated memory is still 307.2MB. Free memory was 268.7MB in the beginning and 257.5MB in the end (delta: 11.2MB). Peak memory consumption was 11.5MB. Max. memory is 7.0GB. [2023-09-07 05:47:46,612 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.10ms. Allocated memory is still 307.2MB. Free memory was 257.5MB in the beginning and 255.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. [2023-09-07 05:47:46,612 INFO L158 Benchmark]: Boogie Preprocessor took 16.76ms. Allocated memory is still 307.2MB. Free memory was 255.4MB in the beginning and 254.4MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 7.0GB. [2023-09-07 05:47:46,612 INFO L158 Benchmark]: RCFGBuilder took 317.26ms. Allocated memory is still 307.2MB. Free memory was 254.0MB in the beginning and 238.0MB in the end (delta: 16.0MB). Peak memory consumption was 15.7MB. Max. memory is 7.0GB. [2023-09-07 05:47:46,612 INFO L158 Benchmark]: TraceAbstraction took 329272.09ms. Allocated memory was 307.2MB in the beginning and 599.8MB in the end (delta: 292.6MB). Free memory was 237.2MB in the beginning and 351.6MB in the end (delta: -114.4MB). Peak memory consumption was 178.9MB. Max. memory is 7.0GB. [2023-09-07 05:47:46,613 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 191.9MB. Free memory is still 143.1MB. There was no memory consumed. Max. memory is 7.0GB. * CACSL2BoogieTranslator took 202.73ms. Allocated memory is still 307.2MB. Free memory was 268.7MB in the beginning and 257.5MB in the end (delta: 11.2MB). Peak memory consumption was 11.5MB. Max. memory is 7.0GB. * Boogie Procedure Inliner took 42.10ms. Allocated memory is still 307.2MB. Free memory was 257.5MB in the beginning and 255.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. * Boogie Preprocessor took 16.76ms. Allocated memory is still 307.2MB. Free memory was 255.4MB in the beginning and 254.4MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 7.0GB. * RCFGBuilder took 317.26ms. Allocated memory is still 307.2MB. Free memory was 254.0MB in the beginning and 238.0MB in the end (delta: 16.0MB). Peak memory consumption was 15.7MB. Max. memory is 7.0GB. * TraceAbstraction took 329272.09ms. Allocated memory was 307.2MB in the beginning and 599.8MB in the end (delta: 292.6MB). Free memory was 237.2MB in the beginning and 351.6MB in the end (delta: -114.4MB). Peak memory consumption was 178.9MB. Max. memory is 7.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 24278, independent: 22167, independent conditional: 22167, independent unconditional: 0, dependent: 2111, dependent conditional: 2111, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 22167, independent: 22167, independent conditional: 22167, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 22167, independent: 22167, independent conditional: 22167, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 22167, independent: 22167, independent conditional: 0, independent unconditional: 22167, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 22167, independent: 22167, independent conditional: 0, independent unconditional: 22167, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 22167, independent: 22167, independent conditional: 0, independent unconditional: 22167, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 22167, independent: 22167, independent conditional: 0, independent unconditional: 22167, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 22167, independent: 22167, independent conditional: 0, independent unconditional: 22167, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 22167, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 22167, unknown conditional: 0, unknown unconditional: 22167] , Statistics on independence cache: Total cache size (in pairs): 22167, Positive cache size: 22167, Positive conditional cache size: 0, Positive unconditional cache size: 22167, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 2111 - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 8, RedundantProofs: 1, ProvenStates: 1846 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 0, RedundantProofs: 0, ProvenStates: 0 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 500, independent: 470, independent conditional: 470, independent unconditional: 0, dependent: 30, dependent conditional: 30, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 470, independent: 470, independent conditional: 470, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 470, independent: 470, independent conditional: 470, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 470, independent: 470, independent conditional: 0, independent unconditional: 470, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 470, independent: 470, independent conditional: 0, independent unconditional: 470, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 470, independent: 470, independent conditional: 0, independent unconditional: 470, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 470, independent: 470, independent conditional: 0, independent unconditional: 470, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 470, independent: 470, independent conditional: 0, independent unconditional: 470, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 470, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 470, unknown conditional: 0, unknown unconditional: 470] , Statistics on independence cache: Total cache size (in pairs): 470, Positive cache size: 470, Positive conditional cache size: 0, Positive unconditional cache size: 470, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 30 - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 0, RedundantProofs: 0, ProvenStates: 0 - PositiveResult [Line: 72]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION with 1 thread instances CFG has 5 procedures, 217 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 328.9s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 326.2s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 227, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 913 NumberOfCodeBlocks, 913 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 903 ConstructedInterpolants, 0 QuantifiedInterpolants, 4579 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency: ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES with 1 thread instances CFG has 5 procedures, 217 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency: ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES with 1 thread instances CFG has 5 procedures, 217 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 0.1s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.1s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-09-07 05:47:46,627 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Ended with exit code 0 [2023-09-07 05:47:46,827 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Ended with exit code 0 [2023-09-07 05:47:47,031 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2023-09-07 05:47:47,233 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...