/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -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/NewStatesSleep.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/unroll-cond-5.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.dynamic-abstractions-57af04c-m [2024-01-26 06:00:04,673 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-26 06:00:04,748 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-01-26 06:00:04,752 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-26 06:00:04,753 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-26 06:00:04,776 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-26 06:00:04,776 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-26 06:00:04,777 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-26 06:00:04,777 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-26 06:00:04,778 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-26 06:00:04,779 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-26 06:00:04,779 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-26 06:00:04,779 INFO L153 SettingsManager]: * Use SBE=true [2024-01-26 06:00:04,780 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-26 06:00:04,780 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-26 06:00:04,780 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-26 06:00:04,780 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-26 06:00:04,781 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-26 06:00:04,781 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-26 06:00:04,781 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-26 06:00:04,781 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-26 06:00:04,782 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-26 06:00:04,782 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-26 06:00:04,782 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-26 06:00:04,782 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-26 06:00:04,783 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-26 06:00:04,783 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-26 06:00:04,783 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-01-26 06:00:04,783 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-26 06:00:04,783 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-01-26 06:00:04,784 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-26 06:00:04,784 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-26 06:00:04,784 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-26 06:00:04,784 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-26 06:00:04,784 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-26 06:00:04,785 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-26 06:00:04,785 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-01-26 06:00:04,785 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-26 06:00:04,785 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-01-26 06:00:04,785 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/UGemCutter-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION [2024-01-26 06:00:04,946 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-26 06:00:04,969 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-26 06:00:04,971 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-26 06:00:04,972 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-26 06:00:04,972 INFO L274 PluginConnector]: CDTParser initialized [2024-01-26 06:00:04,973 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/unroll-cond-5.wvr.c [2024-01-26 06:00:06,378 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-26 06:00:06,561 INFO L384 CDTParser]: Found 1 translation units. [2024-01-26 06:00:06,562 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/unroll-cond-5.wvr.c [2024-01-26 06:00:06,568 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/090d8b545/3afe9fadbdbf42a5b3c582eea4136f6b/FLAGbce67edfe [2024-01-26 06:00:06,579 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/090d8b545/3afe9fadbdbf42a5b3c582eea4136f6b [2024-01-26 06:00:06,582 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-26 06:00:06,583 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-26 06:00:06,586 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-26 06:00:06,586 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-26 06:00:06,590 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-26 06:00:06,590 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.01 06:00:06" (1/1) ... [2024-01-26 06:00:06,591 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57b50010 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 06:00:06, skipping insertion in model container [2024-01-26 06:00:06,591 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.01 06:00:06" (1/1) ... [2024-01-26 06:00:06,624 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-26 06:00:06,819 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/unroll-cond-5.wvr.c[3001,3014] [2024-01-26 06:00:06,837 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-26 06:00:06,847 INFO L202 MainTranslator]: Completed pre-run [2024-01-26 06:00:06,882 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/unroll-cond-5.wvr.c[3001,3014] [2024-01-26 06:00:06,885 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-26 06:00:06,904 INFO L206 MainTranslator]: Completed translation [2024-01-26 06:00:06,905 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 06:00:06 WrapperNode [2024-01-26 06:00:06,905 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-26 06:00:06,907 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-26 06:00:06,907 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-26 06:00:06,907 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-26 06:00:06,913 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 06:00:06" (1/1) ... [2024-01-26 06:00:06,928 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 06:00:06" (1/1) ... [2024-01-26 06:00:06,959 INFO L138 Inliner]: procedures = 24, calls = 45, calls flagged for inlining = 17, calls inlined = 17, statements flattened = 209 [2024-01-26 06:00:06,960 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-26 06:00:06,960 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-26 06:00:06,960 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-26 06:00:06,961 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-26 06:00:06,967 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 06:00:06" (1/1) ... [2024-01-26 06:00:06,967 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 06:00:06" (1/1) ... [2024-01-26 06:00:06,980 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 06:00:06" (1/1) ... [2024-01-26 06:00:06,980 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 06:00:06" (1/1) ... [2024-01-26 06:00:06,990 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 06:00:06" (1/1) ... [2024-01-26 06:00:06,993 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 06:00:06" (1/1) ... [2024-01-26 06:00:06,994 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 06:00:06" (1/1) ... [2024-01-26 06:00:06,995 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 06:00:06" (1/1) ... [2024-01-26 06:00:06,997 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-26 06:00:06,998 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-26 06:00:06,998 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-26 06:00:06,998 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-26 06:00:06,998 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 06:00:06" (1/1) ... [2024-01-26 06:00:07,014 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-01-26 06:00:07,021 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 06:00:07,048 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-01-26 06:00:07,060 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-01-26 06:00:07,076 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-26 06:00:07,077 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-01-26 06:00:07,077 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-01-26 06:00:07,077 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-01-26 06:00:07,077 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-01-26 06:00:07,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-01-26 06:00:07,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-26 06:00:07,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-01-26 06:00:07,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-01-26 06:00:07,077 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-26 06:00:07,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-26 06:00:07,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-01-26 06:00:07,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-26 06:00:07,079 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-01-26 06:00:07,218 INFO L241 CfgBuilder]: Building ICFG [2024-01-26 06:00:07,220 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-26 06:00:07,551 INFO L282 CfgBuilder]: Performing block encoding [2024-01-26 06:00:07,565 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-26 06:00:07,565 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2024-01-26 06:00:07,566 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.01 06:00:07 BoogieIcfgContainer [2024-01-26 06:00:07,566 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-26 06:00:07,568 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-26 06:00:07,568 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-26 06:00:07,572 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-26 06:00:07,572 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.01 06:00:06" (1/3) ... [2024-01-26 06:00:07,573 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cf4e5ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.01 06:00:07, skipping insertion in model container [2024-01-26 06:00:07,573 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 06:00:06" (2/3) ... [2024-01-26 06:00:07,573 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cf4e5ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.01 06:00:07, skipping insertion in model container [2024-01-26 06:00:07,574 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.01 06:00:07" (3/3) ... [2024-01-26 06:00:07,575 INFO L112 eAbstractionObserver]: Analyzing ICFG unroll-cond-5.wvr.c [2024-01-26 06:00:07,583 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-01-26 06:00:07,591 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-26 06:00:07,592 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-01-26 06:00:07,592 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-26 06:00:07,722 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-01-26 06:00:07,756 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-26 06:00:07,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-01-26 06:00:07,757 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 06:00:07,759 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-01-26 06:00:07,761 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-01-26 06:00:07,828 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-01-26 06:00:07,839 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2024-01-26 06:00:07,854 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=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2f9f4f7d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-26 06:00:07,854 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-01-26 06:00:08,125 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 06:00:08,131 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 06:00:08,131 INFO L85 PathProgramCache]: Analyzing trace with hash -1606675597, now seen corresponding path program 1 times [2024-01-26 06:00:08,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 06:00:08,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850342485] [2024-01-26 06:00:08,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 06:00:08,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 06:00:08,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 06:00:08,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 06:00:08,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 06:00:08,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850342485] [2024-01-26 06:00:08,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [850342485] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-26 06:00:08,481 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-26 06:00:08,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-26 06:00:08,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310574058] [2024-01-26 06:00:08,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 06:00:08,491 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-01-26 06:00:08,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 06:00:08,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-01-26 06:00:08,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-01-26 06:00:08,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 06:00:08,520 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 06:00:08,522 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 75.5) internal successors, (151), 2 states have internal predecessors, (151), 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) [2024-01-26 06:00:08,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 06:00:08,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 06:00:08,625 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-01-26 06:00:08,626 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 06:00:08,627 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 06:00:08,628 INFO L85 PathProgramCache]: Analyzing trace with hash -812427894, now seen corresponding path program 1 times [2024-01-26 06:00:08,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 06:00:08,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157691786] [2024-01-26 06:00:08,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 06:00:08,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 06:00:08,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 06:00:09,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 06:00:09,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 06:00:09,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157691786] [2024-01-26 06:00:09,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1157691786] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-26 06:00:09,490 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-26 06:00:09,490 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-01-26 06:00:09,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115929711] [2024-01-26 06:00:09,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 06:00:09,493 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-01-26 06:00:09,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 06:00:09,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-01-26 06:00:09,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-01-26 06:00:09,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 06:00:09,497 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 06:00:09,498 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 13.0) internal successors, (143), 11 states have internal predecessors, (143), 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) [2024-01-26 06:00:09,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 06:00:09,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 06:00:09,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 06:00:09,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-01-26 06:00:09,764 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-01-26 06:00:09,765 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 06:00:09,765 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 06:00:09,765 INFO L85 PathProgramCache]: Analyzing trace with hash 240992144, now seen corresponding path program 1 times [2024-01-26 06:00:09,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 06:00:09,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440866836] [2024-01-26 06:00:09,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 06:00:09,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 06:00:09,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 06:00:10,399 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 06:00:10,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 06:00:10,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440866836] [2024-01-26 06:00:10,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1440866836] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 06:00:10,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1836403930] [2024-01-26 06:00:10,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 06:00:10,402 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 06:00:10,402 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 06:00:10,455 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-01-26 06:00:10,478 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-01-26 06:00:10,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 06:00:10,578 INFO L262 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 9 conjunts are in the unsatisfiable core [2024-01-26 06:00:10,590 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 06:00:10,894 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-01-26 06:00:10,894 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-01-26 06:00:10,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1836403930] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-26 06:00:10,895 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-01-26 06:00:10,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2024-01-26 06:00:10,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731078267] [2024-01-26 06:00:10,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 06:00:10,896 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-01-26 06:00:10,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 06:00:10,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-01-26 06:00:10,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=299, Unknown=0, NotChecked=0, Total=342 [2024-01-26 06:00:10,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 06:00:10,897 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 06:00:10,898 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 19.5) internal successors, (156), 8 states have internal predecessors, (156), 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) [2024-01-26 06:00:10,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 06:00:10,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-01-26 06:00:10,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 06:00:11,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 06:00:11,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-01-26 06:00:11,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-01-26 06:00:11,124 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-01-26 06:00:11,309 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-01-26 06:00:11,309 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 06:00:11,310 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 06:00:11,310 INFO L85 PathProgramCache]: Analyzing trace with hash 2140681257, now seen corresponding path program 1 times [2024-01-26 06:00:11,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 06:00:11,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174578635] [2024-01-26 06:00:11,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 06:00:11,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 06:00:11,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 06:00:11,761 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-01-26 06:00:11,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 06:00:11,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174578635] [2024-01-26 06:00:11,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1174578635] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 06:00:11,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1870118499] [2024-01-26 06:00:11,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 06:00:11,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 06:00:11,763 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 06:00:11,764 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-01-26 06:00:11,784 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-01-26 06:00:11,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 06:00:11,878 INFO L262 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 33 conjunts are in the unsatisfiable core [2024-01-26 06:00:11,888 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 06:00:12,652 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-01-26 06:00:12,776 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 06:00:12,776 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 06:00:13,494 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-01-26 06:00:13,499 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 7 [2024-01-26 06:00:14,311 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 06:00:14,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1870118499] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-26 06:00:14,312 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-26 06:00:14,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 18, 18] total 40 [2024-01-26 06:00:14,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432958575] [2024-01-26 06:00:14,312 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-26 06:00:14,313 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2024-01-26 06:00:14,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 06:00:14,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2024-01-26 06:00:14,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=1436, Unknown=0, NotChecked=0, Total=1560 [2024-01-26 06:00:14,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 06:00:14,316 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 06:00:14,316 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 10.95) internal successors, (438), 40 states have internal predecessors, (438), 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) [2024-01-26 06:00:14,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 06:00:14,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-01-26 06:00:14,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-01-26 06:00:14,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 06:00:15,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 06:00:15,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-01-26 06:00:15,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-01-26 06:00:15,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-01-26 06:00:15,928 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-01-26 06:00:16,124 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 06:00:16,125 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 06:00:16,125 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 06:00:16,126 INFO L85 PathProgramCache]: Analyzing trace with hash 1967353944, now seen corresponding path program 2 times [2024-01-26 06:00:16,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 06:00:16,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914342591] [2024-01-26 06:00:16,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 06:00:16,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 06:00:16,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 06:00:16,594 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-01-26 06:00:16,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 06:00:16,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914342591] [2024-01-26 06:00:16,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [914342591] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 06:00:16,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [707375043] [2024-01-26 06:00:16,595 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-01-26 06:00:16,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 06:00:16,595 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 06:00:16,597 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-01-26 06:00:16,617 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-01-26 06:00:16,879 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-01-26 06:00:16,880 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-01-26 06:00:16,883 INFO L262 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 88 conjunts are in the unsatisfiable core [2024-01-26 06:00:16,889 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 06:00:17,393 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-01-26 06:00:17,556 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-01-26 06:00:17,938 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-01-26 06:00:18,018 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-01-26 06:00:20,051 INFO L349 Elim1Store]: treesize reduction 34, result has 30.6 percent of original size [2024-01-26 06:00:20,051 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 79 treesize of output 48 [2024-01-26 06:00:20,236 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 06:00:20,236 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 06:00:27,792 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-01-26 06:00:27,792 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 640 treesize of output 305 [2024-01-26 06:00:27,880 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-01-26 06:00:27,881 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 15 case distinctions, treesize of input 780 treesize of output 820 [2024-01-26 06:00:28,034 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-01-26 06:00:28,035 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 15 case distinctions, treesize of input 636 treesize of output 604 [2024-01-26 06:00:28,210 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-01-26 06:00:28,210 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 15 case distinctions, treesize of input 261 treesize of output 337 [2024-01-26 06:01:09,133 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 06:01:09,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [707375043] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-26 06:01:09,134 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-26 06:01:09,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 44, 41] total 93 [2024-01-26 06:01:09,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45826810] [2024-01-26 06:01:09,134 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-26 06:01:09,135 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 93 states [2024-01-26 06:01:09,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 06:01:09,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 93 interpolants. [2024-01-26 06:01:09,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=578, Invalid=7922, Unknown=56, NotChecked=0, Total=8556 [2024-01-26 06:01:09,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 06:01:09,139 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 06:01:09,147 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 93 states, 93 states have (on average 5.623655913978495) internal successors, (523), 93 states have internal predecessors, (523), 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) [2024-01-26 06:01:09,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 06:01:09,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-01-26 06:01:09,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-01-26 06:01:09,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-01-26 06:01:09,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 06:01:20,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 06:01:20,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-01-26 06:01:20,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-01-26 06:01:20,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-01-26 06:01:20,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-01-26 06:01:20,690 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-01-26 06:01:20,882 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 06:01:20,882 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 06:01:20,883 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 06:01:20,883 INFO L85 PathProgramCache]: Analyzing trace with hash 402966747, now seen corresponding path program 3 times [2024-01-26 06:01:20,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 06:01:20,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763786775] [2024-01-26 06:01:20,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 06:01:20,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 06:01:20,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 06:01:21,448 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-01-26 06:01:21,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 06:01:21,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763786775] [2024-01-26 06:01:21,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [763786775] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 06:01:21,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [381570481] [2024-01-26 06:01:21,449 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-01-26 06:01:21,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 06:01:21,449 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 06:01:21,461 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-01-26 06:01:21,485 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-01-26 06:01:21,867 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-01-26 06:01:21,868 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-01-26 06:01:21,871 INFO L262 TraceCheckSpWp]: Trace formula consists of 393 conjuncts, 30 conjunts are in the unsatisfiable core [2024-01-26 06:01:21,874 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 06:01:22,217 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-01-26 06:01:22,217 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 06:01:22,796 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-01-26 06:01:22,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [381570481] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-26 06:01:22,797 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-26 06:01:22,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 31 [2024-01-26 06:01:22,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380150628] [2024-01-26 06:01:22,798 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-26 06:01:22,798 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-01-26 06:01:22,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 06:01:22,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-01-26 06:01:22,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=835, Unknown=0, NotChecked=0, Total=930 [2024-01-26 06:01:22,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 06:01:22,805 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 06:01:22,806 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 8.838709677419354) internal successors, (274), 31 states have internal predecessors, (274), 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) [2024-01-26 06:01:22,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 06:01:22,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-01-26 06:01:22,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-01-26 06:01:22,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-01-26 06:01:22,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-01-26 06:01:22,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 06:01:24,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 06:01:24,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-01-26 06:01:24,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-01-26 06:01:24,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-01-26 06:01:24,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-01-26 06:01:24,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-01-26 06:01:24,448 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-01-26 06:01:24,644 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-01-26 06:01:24,645 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 06:01:24,646 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 06:01:24,646 INFO L85 PathProgramCache]: Analyzing trace with hash -565479457, now seen corresponding path program 4 times [2024-01-26 06:01:24,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 06:01:24,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517516966] [2024-01-26 06:01:24,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 06:01:24,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 06:01:24,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 06:01:57,684 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 0 proven. 109 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 06:01:57,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 06:01:57,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517516966] [2024-01-26 06:01:57,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1517516966] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 06:01:57,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [52931347] [2024-01-26 06:01:57,685 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-01-26 06:01:57,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 06:01:57,685 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 06:01:57,686 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-01-26 06:01:57,688 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-01-26 06:01:57,819 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-01-26 06:01:57,820 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-01-26 06:01:57,822 INFO L262 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 92 conjunts are in the unsatisfiable core [2024-01-26 06:01:57,825 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 06:02:03,721 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-01-26 06:02:03,721 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 153 treesize of output 94 [2024-01-26 06:02:04,001 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 0 proven. 109 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 06:02:04,001 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 06:02:13,820 INFO L349 Elim1Store]: treesize reduction 20, result has 92.7 percent of original size [2024-01-26 06:02:13,820 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 14 new quantified variables, introduced 28 case distinctions, treesize of input 308 treesize of output 352 [2024-01-26 06:02:18,787 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 0 proven. 109 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 06:02:18,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [52931347] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-26 06:02:18,788 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-26 06:02:18,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [63, 48, 49] total 147 [2024-01-26 06:02:18,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680360514] [2024-01-26 06:02:18,788 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-26 06:02:18,791 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 147 states [2024-01-26 06:02:18,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 06:02:18,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 147 interpolants. [2024-01-26 06:02:18,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1241, Invalid=20221, Unknown=0, NotChecked=0, Total=21462 [2024-01-26 06:02:18,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 06:02:18,800 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 06:02:18,801 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 147 states, 147 states have (on average 4.1768707482993195) internal successors, (614), 147 states have internal predecessors, (614), 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) [2024-01-26 06:02:18,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 06:02:18,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-01-26 06:02:18,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-01-26 06:02:18,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-01-26 06:02:18,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-01-26 06:02:18,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-01-26 06:02:18,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 06:02:37,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 06:02:37,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-01-26 06:02:37,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-01-26 06:02:37,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-01-26 06:02:37,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-01-26 06:02:37,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-01-26 06:02:37,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2024-01-26 06:02:37,661 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-01-26 06:02:37,867 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 06:02:37,867 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 06:02:37,867 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 06:02:37,868 INFO L85 PathProgramCache]: Analyzing trace with hash 71753332, now seen corresponding path program 5 times [2024-01-26 06:02:37,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 06:02:37,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079443455] [2024-01-26 06:02:37,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 06:02:37,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 06:02:37,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 06:02:38,307 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 2 proven. 133 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-01-26 06:02:38,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 06:02:38,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079443455] [2024-01-26 06:02:38,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2079443455] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 06:02:38,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [46745308] [2024-01-26 06:02:38,308 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-01-26 06:02:38,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 06:02:38,308 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 06:02:38,317 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-01-26 06:02:38,363 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-01-26 06:02:38,657 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2024-01-26 06:02:38,657 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-01-26 06:02:38,660 INFO L262 TraceCheckSpWp]: Trace formula consists of 445 conjuncts, 22 conjunts are in the unsatisfiable core [2024-01-26 06:02:38,663 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 06:02:38,855 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-01-26 06:02:38,855 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 06:02:39,181 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-01-26 06:02:39,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [46745308] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-26 06:02:39,182 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-26 06:02:39,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13, 13] total 30 [2024-01-26 06:02:39,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192312256] [2024-01-26 06:02:39,182 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-26 06:02:39,182 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-01-26 06:02:39,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 06:02:39,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-01-26 06:02:39,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=767, Unknown=0, NotChecked=0, Total=870 [2024-01-26 06:02:39,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 06:02:39,183 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 06:02:39,184 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 10.633333333333333) internal successors, (319), 30 states have internal predecessors, (319), 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) [2024-01-26 06:02:39,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 06:02:39,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-01-26 06:02:39,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-01-26 06:02:39,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-01-26 06:02:39,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-01-26 06:02:39,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-01-26 06:02:39,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2024-01-26 06:02:39,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 06:02:41,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 06:02:41,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-01-26 06:02:41,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-01-26 06:02:41,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-01-26 06:02:41,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-01-26 06:02:41,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-01-26 06:02:41,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2024-01-26 06:02:41,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-01-26 06:02:41,117 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-01-26 06:02:41,312 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-01-26 06:02:41,312 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 06:02:41,313 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 06:02:41,313 INFO L85 PathProgramCache]: Analyzing trace with hash 594716571, now seen corresponding path program 1 times [2024-01-26 06:02:41,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 06:02:41,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250696267] [2024-01-26 06:02:41,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 06:02:41,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 06:02:41,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 06:02:42,744 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 0 proven. 373 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-01-26 06:02:42,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 06:02:42,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250696267] [2024-01-26 06:02:42,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1250696267] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 06:02:42,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1278522907] [2024-01-26 06:02:42,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 06:02:42,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 06:02:42,745 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 06:02:42,746 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-01-26 06:02:42,748 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-01-26 06:02:42,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 06:02:42,886 INFO L262 TraceCheckSpWp]: Trace formula consists of 593 conjuncts, 70 conjunts are in the unsatisfiable core [2024-01-26 06:02:42,889 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 06:02:43,856 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 0 proven. 373 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-01-26 06:02:43,856 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 06:02:45,751 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 0 proven. 373 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-01-26 06:02:45,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1278522907] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-26 06:02:45,752 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-26 06:02:45,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 37, 37] total 71 [2024-01-26 06:02:45,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755725808] [2024-01-26 06:02:45,752 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-26 06:02:45,753 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 71 states [2024-01-26 06:02:45,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 06:02:45,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2024-01-26 06:02:45,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=290, Invalid=4680, Unknown=0, NotChecked=0, Total=4970 [2024-01-26 06:02:45,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 06:02:45,755 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 06:02:45,755 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 71 states, 71 states have (on average 7.408450704225352) internal successors, (526), 71 states have internal predecessors, (526), 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) [2024-01-26 06:02:45,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 06:02:45,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-01-26 06:02:45,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-01-26 06:02:45,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-01-26 06:02:45,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-01-26 06:02:45,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-01-26 06:02:45,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2024-01-26 06:02:45,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-01-26 06:02:45,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 06:02:55,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 06:02:55,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-01-26 06:02:55,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-01-26 06:02:55,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-01-26 06:02:55,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-01-26 06:02:55,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-01-26 06:02:55,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2024-01-26 06:02:55,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-01-26 06:02:55,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-01-26 06:02:55,337 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-01-26 06:02:55,536 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 06:02:55,537 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 06:02:55,537 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 06:02:55,537 INFO L85 PathProgramCache]: Analyzing trace with hash -1540199667, now seen corresponding path program 2 times [2024-01-26 06:02:55,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 06:02:55,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014955052] [2024-01-26 06:02:55,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 06:02:55,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 06:02:56,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2024-01-26 06:13:44,427 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:44,444 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-01-26 06:13:44,444 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-01-26 06:13:44,467 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:44,501 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:44,665 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:44,703 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:44,741 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:44,779 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:44,816 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:44,854 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:44,892 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:44,928 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:44,962 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:44,994 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:45,027 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:45,059 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:45,092 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:45,129 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:45,165 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:45,202 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:45,233 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:45,264 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:45,295 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:45,326 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:45,357 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:45,386 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:45,416 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:45,443 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:45,473 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-01-26 06:13:45,473 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:45,501 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:45,528 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:45,555 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:45,584 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:45,612 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:45,639 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:45,645 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2024-01-26 06:13:45,666 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:45,684 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 [2024-01-26 06:13:45,692 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:45,715 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:45,738 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:45,762 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:45,792 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:45,814 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:45,834 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:45,855 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:45,875 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:45,896 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:45,921 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:45,942 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:45,962 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:45,983 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,003 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,024 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,049 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,071 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,088 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,104 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,120 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,136 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,152 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,172 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,189 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,207 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,225 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,245 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,262 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,281 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,298 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,312 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,325 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,338 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,351 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,363 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,376 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,389 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,402 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,415 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,427 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,440 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,453 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,466 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,479 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,492 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,505 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,519 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,531 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,544 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,561 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,572 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,576 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,580 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,585 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,589 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,593 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,598 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,602 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,606 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,611 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,615 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,620 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,625 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,627 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,629 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,786 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,789 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,793 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,796 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,798 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,800 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,803 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,805 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,808 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,811 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,814 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,816 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,819 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,821 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,824 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,826 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,829 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,831 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,833 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,836 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,838 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,841 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,843 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,845 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,847 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,849 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,851 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,853 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,855 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,857 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,859 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,861 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,863 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,865 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,866 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,867 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,869 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,870 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,871 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,873 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,875 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,876 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,877 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,879 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,880 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,881 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,883 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,884 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,885 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,886 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,887 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,888 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,889 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,890 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,891 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,892 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,893 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,894 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,895 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,896 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,897 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,898 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,899 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,900 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,901 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,901 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,902 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,903 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,904 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,905 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,906 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,906 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,907 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,908 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,908 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,908 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,909 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,909 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,910 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,910 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,910 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,911 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,911 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,911 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,912 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,912 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,912 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,912 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,912 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,912 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,913 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,913 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,913 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,913 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,913 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,913 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,913 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,913 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,913 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,913 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,914 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,914 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2024-01-26 06:13:46,918 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-01-26 06:13:46,918 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-01-26 06:13:46,918 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 354 with TraceHistMax 9,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while NestedInterpolantsBuilder was constructing predicates for 352 interpolants. [2024-01-26 06:13:46,921 INFO L445 BasicCegarLoop]: Path program histogram: [5, 2, 1, 1, 1] [2024-01-26 06:13:46,922 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was TIMEOUT (1/3) [2024-01-26 06:13:46,923 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-01-26 06:13:46,923 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-01-26 06:13:46,925 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.01 06:13:46 BasicIcfg [2024-01-26 06:13:46,925 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-01-26 06:13:46,925 INFO L158 Benchmark]: Toolchain (without parser) took 820342.14ms. Allocated memory was 172.0MB in the beginning and 5.3GB in the end (delta: 5.1GB). Free memory was 125.9MB in the beginning and 3.0GB in the end (delta: -2.8GB). Peak memory consumption was 4.7GB. Max. memory is 8.0GB. [2024-01-26 06:13:46,925 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 172.0MB. Free memory is still 129.8MB. There was no memory consumed. Max. memory is 8.0GB. [2024-01-26 06:13:46,926 INFO L158 Benchmark]: CACSL2BoogieTranslator took 319.64ms. Allocated memory is still 172.0MB. Free memory was 125.9MB in the beginning and 113.2MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2024-01-26 06:13:46,926 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.17ms. Allocated memory is still 172.0MB. Free memory was 113.2MB in the beginning and 110.7MB in the end (delta: 2.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2024-01-26 06:13:46,926 INFO L158 Benchmark]: Boogie Preprocessor took 36.56ms. Allocated memory is still 172.0MB. Free memory was 110.7MB in the beginning and 109.0MB in the end (delta: 1.7MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-01-26 06:13:46,926 INFO L158 Benchmark]: RCFGBuilder took 568.37ms. Allocated memory is still 172.0MB. Free memory was 109.0MB in the beginning and 87.2MB in the end (delta: 21.8MB). Peak memory consumption was 22.0MB. Max. memory is 8.0GB. [2024-01-26 06:13:46,926 INFO L158 Benchmark]: TraceAbstraction took 819357.13ms. Allocated memory was 172.0MB in the beginning and 5.3GB in the end (delta: 5.1GB). Free memory was 86.6MB in the beginning and 3.0GB in the end (delta: -2.9GB). Peak memory consumption was 4.7GB. Max. memory is 8.0GB. [2024-01-26 06:13:46,927 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 172.0MB. Free memory is still 129.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 319.64ms. Allocated memory is still 172.0MB. Free memory was 125.9MB in the beginning and 113.2MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 53.17ms. Allocated memory is still 172.0MB. Free memory was 113.2MB in the beginning and 110.7MB in the end (delta: 2.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 36.56ms. Allocated memory is still 172.0MB. Free memory was 110.7MB in the beginning and 109.0MB in the end (delta: 1.7MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 568.37ms. Allocated memory is still 172.0MB. Free memory was 109.0MB in the beginning and 87.2MB in the end (delta: 21.8MB). Peak memory consumption was 22.0MB. Max. memory is 8.0GB. * TraceAbstraction took 819357.13ms. Allocated memory was 172.0MB in the beginning and 5.3GB in the end (delta: 5.1GB). Free memory was 86.6MB in the beginning and 3.0GB in the end (delta: -2.9GB). Peak memory consumption was 4.7GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 25195, independent: 22598, independent conditional: 22598, independent unconditional: 0, dependent: 2597, dependent conditional: 2597, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 22598, independent: 22598, independent conditional: 22598, 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: 22598, independent: 22598, independent conditional: 22598, 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: 22598, independent: 22598, independent conditional: 0, independent unconditional: 22598, 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: 22598, independent: 22598, independent conditional: 0, independent unconditional: 22598, 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: 22598, independent: 22598, independent conditional: 0, independent unconditional: 22598, 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: 1996, independent: 1996, independent conditional: 0, independent unconditional: 1996, 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: 1996, independent: 1996, independent conditional: 0, independent unconditional: 1996, 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: 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: 22598, independent: 20602, independent conditional: 0, independent unconditional: 20602, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 1996, unknown conditional: 0, unknown unconditional: 1996] , Statistics on independence cache: Total cache size (in pairs): 1996, Positive cache size: 1996, Positive conditional cache size: 0, Positive unconditional cache size: 1996, 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: 2597 - TimeoutResultAtElement [Line: 115]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 354 with TraceHistMax 9,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while NestedInterpolantsBuilder was constructing predicates for 352 interpolants. - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION with 1 thread instances CFG has 5 procedures, 396 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 819.1s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 5, EmptinessCheckTime: 46.0s, 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: 308, 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: 0.2s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 117.7s InterpolantComputationTime, 3314 NumberOfCodeBlocks, 3294 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 4646 ConstructedInterpolants, 84 QuantifiedInterpolants, 97702 SizeOfPredicates, 194 NumberOfNonLiveVariables, 2795 ConjunctsInSsa, 344 ConjunctsInUnsatCore, 22 InterpolantComputations, 3 PerfectInterpolantSequences, 407/2453 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 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown