/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/36-apron_21-traces-cluster-based_true.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.dpor-99e0210 [2023-03-23 17:47:21,867 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-23 17:47:21,868 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-23 17:47:21,915 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2023-03-23 17:47:21,971 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2023-03-23 17:47:22,001 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-23 17:47:22,002 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-23 17:47:22,002 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-23 17:47:22,002 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-23 17:47:22,004 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-23 17:47:22,004 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-23 17:47:22,004 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-23 17:47:22,005 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-23 17:47:22,005 INFO L138 SettingsManager]: * Use SBE=true [2023-03-23 17:47:22,005 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-23 17:47:22,006 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-23 17:47:22,006 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-23 17:47:22,006 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-23 17:47:22,006 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-23 17:47:22,006 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-23 17:47:22,006 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-23 17:47:22,006 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-23 17:47:22,007 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-23 17:47:22,007 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-23 17:47:22,007 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-23 17:47:22,007 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-23 17:47:22,007 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-23 17:47:22,007 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-23 17:47:22,007 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-03-23 17:47:22,007 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-23 17:47:22,008 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-23 17:47:22,008 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-23 17:47:22,008 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-23 17:47:22,008 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-23 17:47:22,008 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-23 17:47:22,008 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-23 17:47:22,008 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-03-23 17:47:22,009 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-03-23 17:47:22,009 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-23 17:47:22,009 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2023-03-23 17:47:22,009 INFO L138 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-03-23 17:47:22,232 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-23 17:47:22,254 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-23 17:47:22,256 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-23 17:47:22,257 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-23 17:47:22,257 INFO L275 PluginConnector]: CDTParser initialized [2023-03-23 17:47:22,259 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/36-apron_21-traces-cluster-based_true.i [2023-03-23 17:47:23,442 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-23 17:47:23,717 INFO L351 CDTParser]: Found 1 translation units. [2023-03-23 17:47:23,718 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/36-apron_21-traces-cluster-based_true.i [2023-03-23 17:47:23,731 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/612970633/d1b801f60fb1431db3de12cdeb37a279/FLAG6cb6ee91c [2023-03-23 17:47:23,747 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/612970633/d1b801f60fb1431db3de12cdeb37a279 [2023-03-23 17:47:23,749 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-23 17:47:23,751 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-03-23 17:47:23,752 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-23 17:47:23,752 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-23 17:47:23,763 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-23 17:47:23,763 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.03 05:47:23" (1/1) ... [2023-03-23 17:47:23,764 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70a9b6e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 05:47:23, skipping insertion in model container [2023-03-23 17:47:23,764 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.03 05:47:23" (1/1) ... [2023-03-23 17:47:23,769 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-23 17:47:23,798 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-23 17:47:23,953 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/36-apron_21-traces-cluster-based_true.i[1092,1105] [2023-03-23 17:47:24,138 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-23 17:47:24,154 INFO L203 MainTranslator]: Completed pre-run [2023-03-23 17:47:24,167 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/36-apron_21-traces-cluster-based_true.i[1092,1105] [2023-03-23 17:47:24,207 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-23 17:47:24,250 INFO L208 MainTranslator]: Completed translation [2023-03-23 17:47:24,250 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 05:47:24 WrapperNode [2023-03-23 17:47:24,250 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-23 17:47:24,251 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-03-23 17:47:24,252 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-03-23 17:47:24,252 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-03-23 17:47:24,257 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 05:47:24" (1/1) ... [2023-03-23 17:47:24,268 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 05:47:24" (1/1) ... [2023-03-23 17:47:24,296 INFO L138 Inliner]: procedures = 165, calls = 45, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 135 [2023-03-23 17:47:24,297 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-03-23 17:47:24,298 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-23 17:47:24,298 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-23 17:47:24,298 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-23 17:47:24,306 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 05:47:24" (1/1) ... [2023-03-23 17:47:24,306 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 05:47:24" (1/1) ... [2023-03-23 17:47:24,309 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 05:47:24" (1/1) ... [2023-03-23 17:47:24,309 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 05:47:24" (1/1) ... [2023-03-23 17:47:24,315 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 05:47:24" (1/1) ... [2023-03-23 17:47:24,317 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 05:47:24" (1/1) ... [2023-03-23 17:47:24,318 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 05:47:24" (1/1) ... [2023-03-23 17:47:24,320 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 05:47:24" (1/1) ... [2023-03-23 17:47:24,322 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-23 17:47:24,323 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-23 17:47:24,323 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-23 17:47:24,323 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-23 17:47:24,324 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 05:47:24" (1/1) ... [2023-03-23 17:47:24,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-23 17:47:24,348 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 17:47:24,360 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) [2023-03-23 17:47:24,365 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 [2023-03-23 17:47:24,397 INFO L130 BoogieDeclarations]: Found specification of procedure t2_fun [2023-03-23 17:47:24,398 INFO L138 BoogieDeclarations]: Found implementation of procedure t2_fun [2023-03-23 17:47:24,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-23 17:47:24,398 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-03-23 17:47:24,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-23 17:47:24,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-03-23 17:47:24,398 INFO L130 BoogieDeclarations]: Found specification of procedure t3_fun [2023-03-23 17:47:24,398 INFO L138 BoogieDeclarations]: Found implementation of procedure t3_fun [2023-03-23 17:47:24,398 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-03-23 17:47:24,398 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-03-23 17:47:24,398 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-23 17:47:24,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-23 17:47:24,398 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-23 17:47:24,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-23 17:47:24,399 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-03-23 17:47:24,523 INFO L236 CfgBuilder]: Building ICFG [2023-03-23 17:47:24,525 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-23 17:47:24,829 INFO L277 CfgBuilder]: Performing block encoding [2023-03-23 17:47:24,843 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-23 17:47:24,843 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-03-23 17:47:24,845 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.03 05:47:24 BoogieIcfgContainer [2023-03-23 17:47:24,846 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-23 17:47:24,847 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-23 17:47:24,848 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-23 17:47:24,850 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-23 17:47:24,851 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.03 05:47:23" (1/3) ... [2023-03-23 17:47:24,851 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b33b58c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.03 05:47:24, skipping insertion in model container [2023-03-23 17:47:24,851 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 05:47:24" (2/3) ... [2023-03-23 17:47:24,852 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b33b58c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.03 05:47:24, skipping insertion in model container [2023-03-23 17:47:24,852 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.03 05:47:24" (3/3) ... [2023-03-23 17:47:24,853 INFO L112 eAbstractionObserver]: Analyzing ICFG 36-apron_21-traces-cluster-based_true.i [2023-03-23 17:47:24,860 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-03-23 17:47:24,869 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-23 17:47:24,869 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-03-23 17:47:24,869 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-03-23 17:47:24,967 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-03-23 17:47:25,006 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-03-23 17:47:25,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-03-23 17:47:25,007 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 17:47:25,013 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) [2023-03-23 17:47:25,020 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 [2023-03-23 17:47:25,071 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-03-23 17:47:25,077 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-03-23 17:47:25,083 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;@7a7b8936, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-03-23 17:47:25,083 INFO L358 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2023-03-23 17:47:25,129 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2023-03-23 17:47:25,134 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 17:47:25,134 INFO L85 PathProgramCache]: Analyzing trace with hash -1624252157, now seen corresponding path program 1 times [2023-03-23 17:47:25,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 17:47:25,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491159929] [2023-03-23 17:47:25,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 17:47:25,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 17:47:25,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 17:47:25,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 17:47:25,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 17:47:25,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491159929] [2023-03-23 17:47:25,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1491159929] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-23 17:47:25,815 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-23 17:47:25,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-03-23 17:47:25,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534909009] [2023-03-23 17:47:25,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-23 17:47:25,822 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-03-23 17:47:25,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 17:47:25,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-03-23 17:47:25,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-03-23 17:47:25,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 17:47:25,855 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 17:47:25,857 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.125) internal successors, (65), 8 states have internal predecessors, (65), 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) [2023-03-23 17:47:25,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 17:47:26,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-03-23 17:47:26,098 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-03-23 17:47:26,098 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2023-03-23 17:47:26,099 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 17:47:26,099 INFO L85 PathProgramCache]: Analyzing trace with hash -1182186902, now seen corresponding path program 1 times [2023-03-23 17:47:26,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 17:47:26,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414655999] [2023-03-23 17:47:26,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 17:47:26,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 17:47:26,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 17:47:26,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 17:47:26,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 17:47:26,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414655999] [2023-03-23 17:47:26,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1414655999] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-23 17:47:26,453 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-23 17:47:26,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-03-23 17:47:26,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858912274] [2023-03-23 17:47:26,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-23 17:47:26,455 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-03-23 17:47:26,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 17:47:26,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-03-23 17:47:26,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-03-23 17:47:26,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 17:47:26,458 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 17:47:26,458 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.25) internal successors, (98), 8 states have internal predecessors, (98), 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) [2023-03-23 17:47:26,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-03-23 17:47:26,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 17:47:26,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-03-23 17:47:26,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-03-23 17:47:26,630 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-03-23 17:47:26,630 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2023-03-23 17:47:26,631 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 17:47:26,631 INFO L85 PathProgramCache]: Analyzing trace with hash -994239664, now seen corresponding path program 1 times [2023-03-23 17:47:26,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 17:47:26,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35099975] [2023-03-23 17:47:26,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 17:47:26,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 17:47:26,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 17:47:26,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 17:47:26,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 17:47:26,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35099975] [2023-03-23 17:47:26,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [35099975] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-23 17:47:26,964 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-23 17:47:26,964 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-03-23 17:47:26,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106605568] [2023-03-23 17:47:26,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-23 17:47:26,966 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-03-23 17:47:26,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 17:47:26,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-03-23 17:47:26,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-03-23 17:47:26,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 17:47:26,969 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 17:47:26,970 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 15.125) internal successors, (121), 8 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) [2023-03-23 17:47:26,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-03-23 17:47:26,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-03-23 17:47:26,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 17:47:27,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-03-23 17:47:27,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-03-23 17:47:27,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-03-23 17:47:27,358 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-03-23 17:47:27,358 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2023-03-23 17:47:27,359 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 17:47:27,359 INFO L85 PathProgramCache]: Analyzing trace with hash -1946969993, now seen corresponding path program 1 times [2023-03-23 17:47:27,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 17:47:27,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40442119] [2023-03-23 17:47:27,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 17:47:27,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 17:47:27,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 17:47:27,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 17:47:27,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 17:47:27,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40442119] [2023-03-23 17:47:27,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [40442119] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-23 17:47:27,710 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-23 17:47:27,710 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-03-23 17:47:27,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900900583] [2023-03-23 17:47:27,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-23 17:47:27,712 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-03-23 17:47:27,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 17:47:27,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-03-23 17:47:27,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-03-23 17:47:27,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 17:47:27,713 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 17:47:27,713 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.166666666666668) internal successors, (133), 6 states have internal predecessors, (133), 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) [2023-03-23 17:47:27,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-03-23 17:47:27,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-03-23 17:47:27,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-03-23 17:47:27,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 17:47:27,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-03-23 17:47:27,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-03-23 17:47:27,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-03-23 17:47:27,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-03-23 17:47:27,837 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-03-23 17:47:27,837 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2023-03-23 17:47:27,838 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 17:47:27,838 INFO L85 PathProgramCache]: Analyzing trace with hash 1297576550, now seen corresponding path program 1 times [2023-03-23 17:47:27,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 17:47:27,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054428592] [2023-03-23 17:47:27,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 17:47:27,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 17:47:27,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 17:47:28,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 17:47:28,137 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 17:47:28,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054428592] [2023-03-23 17:47:28,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2054428592] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-23 17:47:28,138 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-23 17:47:28,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-03-23 17:47:28,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345166914] [2023-03-23 17:47:28,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-23 17:47:28,139 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-03-23 17:47:28,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 17:47:28,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-03-23 17:47:28,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-03-23 17:47:28,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 17:47:28,140 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 17:47:28,141 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 17.375) internal successors, (139), 8 states have internal predecessors, (139), 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) [2023-03-23 17:47:28,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-03-23 17:47:28,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-03-23 17:47:28,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-03-23 17:47:28,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-03-23 17:47:28,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 17:47:28,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-03-23 17:47:28,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-03-23 17:47:28,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-03-23 17:47:28,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-03-23 17:47:28,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-03-23 17:47:28,690 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-03-23 17:47:28,690 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2023-03-23 17:47:28,691 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 17:47:28,691 INFO L85 PathProgramCache]: Analyzing trace with hash 414187586, now seen corresponding path program 1 times [2023-03-23 17:47:28,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 17:47:28,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044819000] [2023-03-23 17:47:28,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 17:47:28,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 17:47:28,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 17:47:28,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 17:47:28,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 17:47:28,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1044819000] [2023-03-23 17:47:28,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1044819000] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-23 17:47:28,973 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-23 17:47:28,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-03-23 17:47:28,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708470966] [2023-03-23 17:47:28,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-23 17:47:28,974 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-03-23 17:47:28,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 17:47:28,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-03-23 17:47:28,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-03-23 17:47:28,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 17:47:28,975 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 17:47:28,975 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.166666666666668) internal successors, (133), 6 states have internal predecessors, (133), 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) [2023-03-23 17:47:28,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-03-23 17:47:28,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-03-23 17:47:28,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-03-23 17:47:28,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-03-23 17:47:28,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-03-23 17:47:28,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 17:47:29,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-03-23 17:47:29,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-03-23 17:47:29,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-03-23 17:47:29,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-03-23 17:47:29,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-03-23 17:47:29,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-03-23 17:47:29,305 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-03-23 17:47:29,305 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2023-03-23 17:47:29,307 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 17:47:29,308 INFO L85 PathProgramCache]: Analyzing trace with hash 1351086304, now seen corresponding path program 1 times [2023-03-23 17:47:29,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 17:47:29,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654985350] [2023-03-23 17:47:29,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 17:47:29,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 17:47:29,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 17:47:29,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 17:47:29,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 17:47:29,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654985350] [2023-03-23 17:47:29,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1654985350] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-23 17:47:29,538 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-23 17:47:29,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-03-23 17:47:29,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666170810] [2023-03-23 17:47:29,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-23 17:47:29,538 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-03-23 17:47:29,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 17:47:29,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-03-23 17:47:29,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-03-23 17:47:29,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 17:47:29,547 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 17:47:29,547 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.75) internal successors, (134), 8 states have internal predecessors, (134), 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) [2023-03-23 17:47:29,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-03-23 17:47:29,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-03-23 17:47:29,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-03-23 17:47:29,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-03-23 17:47:29,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-03-23 17:47:29,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-03-23 17:47:29,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 17:47:29,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-03-23 17:47:29,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-03-23 17:47:29,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-03-23 17:47:29,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-03-23 17:47:29,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-03-23 17:47:29,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-03-23 17:47:29,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-03-23 17:47:29,886 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-03-23 17:47:29,886 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2023-03-23 17:47:29,887 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 17:47:29,887 INFO L85 PathProgramCache]: Analyzing trace with hash 194858018, now seen corresponding path program 1 times [2023-03-23 17:47:29,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 17:47:29,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951558698] [2023-03-23 17:47:29,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 17:47:29,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 17:47:29,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 17:47:30,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 17:47:30,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 17:47:30,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951558698] [2023-03-23 17:47:30,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1951558698] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-23 17:47:30,075 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-23 17:47:30,075 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-03-23 17:47:30,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796967321] [2023-03-23 17:47:30,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-23 17:47:30,076 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-03-23 17:47:30,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 17:47:30,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-03-23 17:47:30,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-03-23 17:47:30,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 17:47:30,077 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 17:47:30,077 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 17.25) internal successors, (138), 8 states have internal predecessors, (138), 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) [2023-03-23 17:47:30,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-03-23 17:47:30,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-03-23 17:47:30,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-03-23 17:47:30,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-03-23 17:47:30,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-03-23 17:47:30,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-03-23 17:47:30,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-03-23 17:47:30,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 17:47:38,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-03-23 17:47:38,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-03-23 17:47:38,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-03-23 17:47:38,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-03-23 17:47:38,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-03-23 17:47:38,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-03-23 17:47:38,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-03-23 17:47:38,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-03-23 17:47:38,806 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-03-23 17:47:38,806 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2023-03-23 17:47:38,806 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 17:47:38,807 INFO L85 PathProgramCache]: Analyzing trace with hash 1257320930, now seen corresponding path program 1 times [2023-03-23 17:47:38,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 17:47:38,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428817939] [2023-03-23 17:47:38,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 17:47:38,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 17:47:38,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 17:47:39,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 17:47:39,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 17:47:39,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428817939] [2023-03-23 17:47:39,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1428817939] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-23 17:47:39,012 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-23 17:47:39,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-03-23 17:47:39,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225594597] [2023-03-23 17:47:39,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-23 17:47:39,013 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-03-23 17:47:39,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 17:47:39,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-03-23 17:47:39,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-03-23 17:47:39,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 17:47:39,014 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 17:47:39,014 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 15.75) internal successors, (126), 8 states have internal predecessors, (126), 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) [2023-03-23 17:47:39,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-03-23 17:47:39,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-03-23 17:47:39,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-03-23 17:47:39,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-03-23 17:47:39,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-03-23 17:47:39,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-03-23 17:47:39,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-03-23 17:47:39,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-03-23 17:47:39,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 17:47:48,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-03-23 17:47:48,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-03-23 17:47:48,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-03-23 17:47:48,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-03-23 17:47:48,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-03-23 17:47:48,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-03-23 17:47:48,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-03-23 17:47:48,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-03-23 17:47:48,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-03-23 17:47:48,303 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (8 of 9 remaining) [2023-03-23 17:47:48,303 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (7 of 9 remaining) [2023-03-23 17:47:48,303 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 9 remaining) [2023-03-23 17:47:48,304 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (5 of 9 remaining) [2023-03-23 17:47:48,305 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 9 remaining) [2023-03-23 17:47:48,305 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 9 remaining) [2023-03-23 17:47:48,305 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 9 remaining) [2023-03-23 17:47:48,305 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 9 remaining) [2023-03-23 17:47:48,305 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 9 remaining) [2023-03-23 17:47:48,305 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-03-23 17:47:48,309 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-23 17:47:48,313 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-03-23 17:47:48,313 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-03-23 17:47:48,316 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.03 05:47:48 BasicIcfg [2023-03-23 17:47:48,316 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-03-23 17:47:48,316 INFO L158 Benchmark]: Toolchain (without parser) took 24565.45ms. Allocated memory was 246.4MB in the beginning and 7.2GB in the end (delta: 7.0GB). Free memory was 197.9MB in the beginning and 6.3GB in the end (delta: -6.1GB). Peak memory consumption was 892.1MB. Max. memory is 8.0GB. [2023-03-23 17:47:48,317 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 174.1MB. Free memory is still 125.6MB. There was no memory consumed. Max. memory is 8.0GB. [2023-03-23 17:47:48,317 INFO L158 Benchmark]: CACSL2BoogieTranslator took 498.55ms. Allocated memory is still 246.4MB. Free memory was 197.5MB in the beginning and 177.9MB in the end (delta: 19.6MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2023-03-23 17:47:48,318 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.63ms. Allocated memory is still 246.4MB. Free memory was 177.9MB in the beginning and 175.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-03-23 17:47:48,319 INFO L158 Benchmark]: Boogie Preprocessor took 24.43ms. Allocated memory is still 246.4MB. Free memory was 175.5MB in the beginning and 174.1MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-03-23 17:47:48,319 INFO L158 Benchmark]: RCFGBuilder took 522.80ms. Allocated memory is still 246.4MB. Free memory was 173.8MB in the beginning and 156.6MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2023-03-23 17:47:48,320 INFO L158 Benchmark]: TraceAbstraction took 23468.54ms. Allocated memory was 246.4MB in the beginning and 7.2GB in the end (delta: 7.0GB). Free memory was 155.9MB in the beginning and 6.3GB in the end (delta: -6.2GB). Peak memory consumption was 850.2MB. Max. memory is 8.0GB. [2023-03-23 17:47:48,322 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 174.1MB. Free memory is still 125.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 498.55ms. Allocated memory is still 246.4MB. Free memory was 197.5MB in the beginning and 177.9MB in the end (delta: 19.6MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 45.63ms. Allocated memory is still 246.4MB. Free memory was 177.9MB in the beginning and 175.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 24.43ms. Allocated memory is still 246.4MB. Free memory was 175.5MB in the beginning and 174.1MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 522.80ms. Allocated memory is still 246.4MB. Free memory was 173.8MB in the beginning and 156.6MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * TraceAbstraction took 23468.54ms. Allocated memory was 246.4MB in the beginning and 7.2GB in the end (delta: 7.0GB). Free memory was 155.9MB in the beginning and 6.3GB in the end (delta: -6.2GB). Peak memory consumption was 850.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1593064, independent: 1562817, independent conditional: 1562817, independent unconditional: 0, dependent: 30247, dependent conditional: 30247, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1566636, independent: 1562817, independent conditional: 1562817, independent unconditional: 0, dependent: 3819, dependent conditional: 3819, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1566636, independent: 1562817, independent conditional: 1562817, independent unconditional: 0, dependent: 3819, dependent conditional: 3819, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1613279, independent: 1562817, independent conditional: 7674, independent unconditional: 1555143, dependent: 50462, dependent conditional: 38969, dependent unconditional: 11493, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1613279, independent: 1562817, independent conditional: 7674, independent unconditional: 1555143, dependent: 50462, dependent conditional: 8860, dependent unconditional: 41602, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1613279, independent: 1562817, independent conditional: 7674, independent unconditional: 1555143, dependent: 50462, dependent conditional: 8860, dependent unconditional: 41602, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4610, independent: 4532, independent conditional: 34, independent unconditional: 4498, dependent: 78, dependent conditional: 38, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4610, independent: 4462, independent conditional: 0, independent unconditional: 4462, dependent: 148, dependent conditional: 0, dependent unconditional: 148, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 148, independent: 70, independent conditional: 34, independent unconditional: 36, dependent: 78, dependent conditional: 38, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 148, independent: 70, independent conditional: 34, independent unconditional: 36, dependent: 78, dependent conditional: 38, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 342, independent: 150, independent conditional: 85, independent unconditional: 66, dependent: 192, dependent conditional: 71, dependent unconditional: 121, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1613279, independent: 1558285, independent conditional: 7640, independent unconditional: 1550645, dependent: 50384, dependent conditional: 8822, dependent unconditional: 41562, unknown: 4610, unknown conditional: 72, unknown unconditional: 4538] , Statistics on independence cache: Total cache size (in pairs): 4610, Positive cache size: 4532, Positive conditional cache size: 34, Positive unconditional cache size: 4498, Negative cache size: 78, Negative conditional cache size: 38, Negative unconditional cache size: 40, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 30109, Maximal queried relation: 8, Independence queries for same thread: 26428 - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 19]: 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 with 1 thread instances CFG has 7 procedures, 233 locations, 9 error locations. Started 1 CEGAR loops. OverallTime: 23.3s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 20.2s, 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: 105, 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: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 1087 NumberOfCodeBlocks, 1087 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1078 ConstructedInterpolants, 0 QuantifiedInterpolants, 3285 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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 - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-03-23 17:47:48,340 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2023-03-23 17:47:48,537 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...