/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/parallel-misc-1.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.dynamic-abstractions-57af04c-m [2024-01-26 05:00:54,460 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-26 05:00:54,546 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-01-26 05:00:54,552 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-26 05:00:54,553 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-26 05:00:54,582 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-26 05:00:54,582 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-26 05:00:54,582 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-26 05:00:54,583 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-26 05:00:54,587 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-26 05:00:54,588 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-26 05:00:54,588 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-26 05:00:54,588 INFO L153 SettingsManager]: * Use SBE=true [2024-01-26 05:00:54,589 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-26 05:00:54,590 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-26 05:00:54,590 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-26 05:00:54,590 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-26 05:00:54,590 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-26 05:00:54,590 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-26 05:00:54,591 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-26 05:00:54,591 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-26 05:00:54,591 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-26 05:00:54,591 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-26 05:00:54,592 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-26 05:00:54,592 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-26 05:00:54,592 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-26 05:00:54,593 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-26 05:00:54,593 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-01-26 05:00:54,593 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-26 05:00:54,593 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-01-26 05:00:54,594 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-26 05:00:54,594 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-26 05:00:54,594 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-26 05:00:54,594 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-26 05:00:54,595 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-26 05:00:54,595 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-26 05:00:54,595 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-01-26 05:00:54,595 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-26 05:00:54,595 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-01-26 05:00:54,595 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION [2024-01-26 05:00:54,852 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-26 05:00:54,881 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-26 05:00:54,883 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-26 05:00:54,884 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-26 05:00:54,885 INFO L274 PluginConnector]: CDTParser initialized [2024-01-26 05:00:54,886 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/parallel-misc-1.wvr.c [2024-01-26 05:00:56,336 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-26 05:00:56,493 INFO L384 CDTParser]: Found 1 translation units. [2024-01-26 05:00:56,493 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-misc-1.wvr.c [2024-01-26 05:00:56,502 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/89f003e31/17ba7deaf98e44d6896ffa7f44ddfab8/FLAG37ddb7587 [2024-01-26 05:00:56,519 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/89f003e31/17ba7deaf98e44d6896ffa7f44ddfab8 [2024-01-26 05:00:56,521 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-26 05:00:56,523 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-26 05:00:56,526 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-26 05:00:56,526 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-26 05:00:56,530 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-26 05:00:56,531 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.01 05:00:56" (1/1) ... [2024-01-26 05:00:56,531 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@593dbbe8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:00:56, skipping insertion in model container [2024-01-26 05:00:56,532 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.01 05:00:56" (1/1) ... [2024-01-26 05:00:56,559 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-26 05:00:56,762 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/parallel-misc-1.wvr.c[2781,2794] [2024-01-26 05:00:56,781 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-26 05:00:56,801 INFO L202 MainTranslator]: Completed pre-run [2024-01-26 05:00:56,841 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/parallel-misc-1.wvr.c[2781,2794] [2024-01-26 05:00:56,847 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-26 05:00:56,866 INFO L206 MainTranslator]: Completed translation [2024-01-26 05:00:56,867 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:00:56 WrapperNode [2024-01-26 05:00:56,867 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-26 05:00:56,868 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-26 05:00:56,869 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-26 05:00:56,869 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-26 05:00:56,875 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:00:56" (1/1) ... [2024-01-26 05:00:56,894 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:00:56" (1/1) ... [2024-01-26 05:00:56,935 INFO L138 Inliner]: procedures = 23, calls = 41, calls flagged for inlining = 17, calls inlined = 31, statements flattened = 289 [2024-01-26 05:00:56,935 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-26 05:00:56,936 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-26 05:00:56,936 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-26 05:00:56,936 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-26 05:00:56,950 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:00:56" (1/1) ... [2024-01-26 05:00:56,951 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:00:56" (1/1) ... [2024-01-26 05:00:56,963 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:00:56" (1/1) ... [2024-01-26 05:00:56,963 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:00:56" (1/1) ... [2024-01-26 05:00:56,981 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:00:56" (1/1) ... [2024-01-26 05:00:56,995 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:00:56" (1/1) ... [2024-01-26 05:00:56,997 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:00:56" (1/1) ... [2024-01-26 05:00:56,999 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:00:56" (1/1) ... [2024-01-26 05:00:57,002 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-26 05:00:57,003 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-26 05:00:57,003 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-26 05:00:57,003 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-26 05:00:57,004 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:00:56" (1/1) ... [2024-01-26 05:00:57,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-01-26 05:00:57,032 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 05:00:57,045 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 05:00:57,068 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 05:00:57,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-26 05:00:57,084 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-01-26 05:00:57,084 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-01-26 05:00:57,084 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-01-26 05:00:57,085 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-01-26 05:00:57,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-01-26 05:00:57,085 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-26 05:00:57,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-01-26 05:00:57,085 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-01-26 05:00:57,085 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-26 05:00:57,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-26 05:00:57,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-01-26 05:00:57,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-26 05:00:57,089 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 05:00:57,196 INFO L241 CfgBuilder]: Building ICFG [2024-01-26 05:00:57,197 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-26 05:00:57,686 INFO L282 CfgBuilder]: Performing block encoding [2024-01-26 05:00:57,704 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-26 05:00:57,705 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2024-01-26 05:00:57,705 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.01 05:00:57 BoogieIcfgContainer [2024-01-26 05:00:57,705 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-26 05:00:57,708 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-26 05:00:57,708 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-26 05:00:57,711 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-26 05:00:57,711 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.01 05:00:56" (1/3) ... [2024-01-26 05:00:57,712 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@745ae3f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.01 05:00:57, skipping insertion in model container [2024-01-26 05:00:57,712 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:00:56" (2/3) ... [2024-01-26 05:00:57,712 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@745ae3f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.01 05:00:57, skipping insertion in model container [2024-01-26 05:00:57,712 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.01 05:00:57" (3/3) ... [2024-01-26 05:00:57,713 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-misc-1.wvr.c [2024-01-26 05:00:57,720 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-01-26 05:00:57,729 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-26 05:00:57,729 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-01-26 05:00:57,729 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-26 05:00:57,858 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-01-26 05:00:57,911 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-26 05:00:57,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-01-26 05:00:57,912 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 05:00:57,916 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 05:00:57,931 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 05:00:57,955 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-01-26 05:00:57,962 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2024-01-26 05:00:57,967 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;@7c240e62, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-26 05:00:57,967 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-01-26 05:00:58,649 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 05:00:58,654 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 05:00:58,654 INFO L85 PathProgramCache]: Analyzing trace with hash 882995243, now seen corresponding path program 1 times [2024-01-26 05:00:58,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 05:00:58,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116211197] [2024-01-26 05:00:58,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 05:00:58,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 05:00:58,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 05:00:58,993 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 05:00:58,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 05:00:58,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116211197] [2024-01-26 05:00:58,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [116211197] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-26 05:00:58,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-26 05:00:58,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-26 05:00:58,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069040294] [2024-01-26 05:00:58,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 05:00:59,003 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-01-26 05:00:59,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 05:00:59,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-01-26 05:00:59,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-01-26 05:00:59,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:00:59,078 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 05:00:59,080 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 89.5) internal successors, (179), 2 states have internal predecessors, (179), 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 05:00:59,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:00:59,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:00:59,435 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-01-26 05:00:59,436 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 05:00:59,436 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 05:00:59,436 INFO L85 PathProgramCache]: Analyzing trace with hash -965175137, now seen corresponding path program 1 times [2024-01-26 05:00:59,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 05:00:59,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355259199] [2024-01-26 05:00:59,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 05:00:59,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 05:00:59,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 05:01:00,650 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 05:01:00,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 05:01:00,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355259199] [2024-01-26 05:01:00,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [355259199] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-26 05:01:00,651 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-26 05:01:00,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2024-01-26 05:01:00,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394026109] [2024-01-26 05:01:00,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 05:01:00,653 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-01-26 05:01:00,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 05:01:00,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-01-26 05:01:00,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2024-01-26 05:01:00,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:01:00,657 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 05:01:00,657 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 9.0) internal successors, (171), 19 states have internal predecessors, (171), 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 05:01:00,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:01:00,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:01:01,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:01:01,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-01-26 05:01:01,538 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-01-26 05:01:01,538 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 05:01:01,539 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 05:01:01,539 INFO L85 PathProgramCache]: Analyzing trace with hash -534865475, now seen corresponding path program 1 times [2024-01-26 05:01:01,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 05:01:01,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103754567] [2024-01-26 05:01:01,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 05:01:01,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 05:01:01,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 05:01:02,045 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 05:01:02,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 05:01:02,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103754567] [2024-01-26 05:01:02,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [103754567] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-26 05:01:02,046 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-26 05:01:02,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-01-26 05:01:02,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891151685] [2024-01-26 05:01:02,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 05:01:02,047 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-01-26 05:01:02,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 05:01:02,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-01-26 05:01:02,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-01-26 05:01:02,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:01:02,049 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 05:01:02,049 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 25.22222222222222) internal successors, (227), 9 states have internal predecessors, (227), 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 05:01:02,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:01:02,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-01-26 05:01:02,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:01:02,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:01:02,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-01-26 05:01:02,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-01-26 05:01:02,644 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-01-26 05:01:02,644 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 05:01:02,645 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 05:01:02,645 INFO L85 PathProgramCache]: Analyzing trace with hash 1797305523, now seen corresponding path program 1 times [2024-01-26 05:01:02,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 05:01:02,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847061242] [2024-01-26 05:01:02,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 05:01:02,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 05:01:02,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 05:01:03,281 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 05:01:03,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 05:01:03,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1847061242] [2024-01-26 05:01:03,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1847061242] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 05:01:03,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [397064073] [2024-01-26 05:01:03,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 05:01:03,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 05:01:03,283 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 05:01:03,354 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 05:01:03,359 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 05:01:03,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 05:01:03,534 INFO L262 TraceCheckSpWp]: Trace formula consists of 441 conjuncts, 10 conjunts are in the unsatisfiable core [2024-01-26 05:01:03,546 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 05:01:04,100 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 05:01:04,100 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 05:01:04,428 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-01-26 05:01:04,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [397064073] provided 1 perfect and 1 imperfect interpolant sequences [2024-01-26 05:01:04,428 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-01-26 05:01:04,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [10, 9] total 19 [2024-01-26 05:01:04,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441476422] [2024-01-26 05:01:04,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 05:01:04,430 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-01-26 05:01:04,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 05:01:04,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-01-26 05:01:04,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=264, Unknown=0, NotChecked=0, Total=342 [2024-01-26 05:01:04,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:01:04,439 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 05:01:04,439 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 26.11111111111111) internal successors, (235), 9 states have internal predecessors, (235), 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 05:01:04,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:01:04,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-01-26 05:01:04,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-01-26 05:01:04,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:01:04,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:01:04,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-01-26 05:01:04,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-01-26 05:01:04,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-01-26 05:01:04,959 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-01-26 05:01:05,153 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 05:01:05,154 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 05:01:05,154 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 05:01:05,154 INFO L85 PathProgramCache]: Analyzing trace with hash -885512235, now seen corresponding path program 1 times [2024-01-26 05:01:05,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 05:01:05,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409430233] [2024-01-26 05:01:05,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 05:01:05,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 05:01:05,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 05:01:09,861 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 05:01:09,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 05:01:09,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409430233] [2024-01-26 05:01:09,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1409430233] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 05:01:09,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [443847926] [2024-01-26 05:01:09,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 05:01:09,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 05:01:09,862 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 05:01:09,864 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 05:01:09,870 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 05:01:10,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 05:01:10,022 INFO L262 TraceCheckSpWp]: Trace formula consists of 526 conjuncts, 97 conjunts are in the unsatisfiable core [2024-01-26 05:01:10,033 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 05:01:10,115 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2024-01-26 05:01:10,346 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-01-26 05:01:10,347 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 11 treesize of output 11 [2024-01-26 05:01:10,536 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 05:01:11,305 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 05:01:11,469 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 05:01:13,592 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 05:01:14,379 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 05:01:14,380 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 05:01:16,483 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-01-26 05:01:16,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [443847926] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-26 05:01:16,484 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-26 05:01:16,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [55, 43, 35] total 109 [2024-01-26 05:01:16,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641555730] [2024-01-26 05:01:16,484 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-26 05:01:16,487 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 109 states [2024-01-26 05:01:16,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 05:01:16,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 109 interpolants. [2024-01-26 05:01:16,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=368, Invalid=11376, Unknown=28, NotChecked=0, Total=11772 [2024-01-26 05:01:16,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:01:16,496 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 05:01:16,497 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 109 states, 109 states have (on average 6.587155963302752) internal successors, (718), 109 states have internal predecessors, (718), 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 05:01:16,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:01:16,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-01-26 05:01:16,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-01-26 05:01:16,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-01-26 05:01:16,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:01:25,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:01:25,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-01-26 05:01:25,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-01-26 05:01:25,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-01-26 05:01:25,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-01-26 05:01:25,789 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 05:01:25,986 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 05:01:25,987 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 05:01:25,987 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 05:01:25,987 INFO L85 PathProgramCache]: Analyzing trace with hash 1210990434, now seen corresponding path program 1 times [2024-01-26 05:01:25,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 05:01:25,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281614] [2024-01-26 05:01:25,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 05:01:25,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 05:01:26,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 05:01:26,810 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 115 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-01-26 05:01:26,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 05:01:26,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281614] [2024-01-26 05:01:26,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [281614] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 05:01:26,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1822306905] [2024-01-26 05:01:26,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 05:01:26,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 05:01:26,813 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 05:01:26,814 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 05:01:26,820 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 05:01:26,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 05:01:27,005 INFO L262 TraceCheckSpWp]: Trace formula consists of 712 conjuncts, 14 conjunts are in the unsatisfiable core [2024-01-26 05:01:27,012 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 05:01:27,884 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2024-01-26 05:01:27,885 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 05:01:28,578 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2024-01-26 05:01:28,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1822306905] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-26 05:01:28,580 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-26 05:01:28,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 13, 13] total 38 [2024-01-26 05:01:28,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577667326] [2024-01-26 05:01:28,580 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-26 05:01:28,581 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2024-01-26 05:01:28,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 05:01:28,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2024-01-26 05:01:28,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=150, Invalid=1256, Unknown=0, NotChecked=0, Total=1406 [2024-01-26 05:01:28,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:01:28,584 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 05:01:28,586 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 22.973684210526315) internal successors, (873), 38 states have internal predecessors, (873), 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 05:01:28,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:01:28,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-01-26 05:01:28,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-01-26 05:01:28,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-01-26 05:01:28,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2024-01-26 05:01:28,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:01:30,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:01:30,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-01-26 05:01:30,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-01-26 05:01:30,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-01-26 05:01:30,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-01-26 05:01:30,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-01-26 05:01:30,233 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 05:01:30,428 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 05:01:30,428 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 05:01:30,429 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 05:01:30,429 INFO L85 PathProgramCache]: Analyzing trace with hash -720719538, now seen corresponding path program 2 times [2024-01-26 05:01:30,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 05:01:30,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247743413] [2024-01-26 05:01:30,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 05:01:30,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 05:01:30,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 05:01:31,298 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 2 proven. 83 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2024-01-26 05:01:31,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 05:01:31,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [247743413] [2024-01-26 05:01:31,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [247743413] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 05:01:31,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [518072947] [2024-01-26 05:01:31,299 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-01-26 05:01:31,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 05:01:31,300 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 05:01:31,301 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 05:01:31,304 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 05:01:31,498 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-01-26 05:01:31,498 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-01-26 05:01:31,503 INFO L262 TraceCheckSpWp]: Trace formula consists of 811 conjuncts, 18 conjunts are in the unsatisfiable core [2024-01-26 05:01:31,510 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 05:01:32,579 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 10 proven. 75 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2024-01-26 05:01:32,580 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 05:01:33,569 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 27 proven. 58 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2024-01-26 05:01:33,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [518072947] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-26 05:01:33,570 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-26 05:01:33,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 38 [2024-01-26 05:01:33,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136293555] [2024-01-26 05:01:33,571 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-26 05:01:33,572 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2024-01-26 05:01:33,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 05:01:33,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2024-01-26 05:01:33,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=216, Invalid=1190, Unknown=0, NotChecked=0, Total=1406 [2024-01-26 05:01:33,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:01:33,574 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 05:01:33,574 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 18.473684210526315) internal successors, (702), 38 states have internal predecessors, (702), 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 05:01:33,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:01:33,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-01-26 05:01:33,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-01-26 05:01:33,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-01-26 05:01:33,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2024-01-26 05:01:33,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-01-26 05:01:33,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:01:35,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:01:35,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-01-26 05:01:35,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-01-26 05:01:35,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-01-26 05:01:35,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-01-26 05:01:35,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-01-26 05:01:35,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-01-26 05:01:35,079 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 05:01:35,267 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,SelfDestructingSolverStorable6 [2024-01-26 05:01:35,268 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 05:01:35,268 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 05:01:35,268 INFO L85 PathProgramCache]: Analyzing trace with hash -543189136, now seen corresponding path program 3 times [2024-01-26 05:01:35,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 05:01:35,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454130488] [2024-01-26 05:01:35,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 05:01:35,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 05:01:35,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 05:01:51,185 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 43 proven. 270 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 05:01:51,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 05:01:51,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454130488] [2024-01-26 05:01:51,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454130488] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 05:01:51,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1770432261] [2024-01-26 05:01:51,187 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-01-26 05:01:51,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 05:01:51,187 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 05:01:51,193 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 05:01:51,196 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 05:01:51,430 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-01-26 05:01:51,430 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-01-26 05:01:51,437 INFO L262 TraceCheckSpWp]: Trace formula consists of 896 conjuncts, 186 conjunts are in the unsatisfiable core [2024-01-26 05:01:51,451 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 05:01:52,405 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 23 treesize of output 1 [2024-01-26 05:01:53,614 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 05:01:53,822 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 05:02:04,116 INFO L349 Elim1Store]: treesize reduction 8, result has 88.7 percent of original size [2024-01-26 05:02:04,117 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 58 treesize of output 77 [2024-01-26 05:02:07,765 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 17 proven. 286 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-01-26 05:02:07,766 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 05:02:21,415 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 0 proven. 286 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-01-26 05:02:21,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1770432261] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-26 05:02:21,416 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-26 05:02:21,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [109, 89, 76] total 256 [2024-01-26 05:02:21,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268279481] [2024-01-26 05:02:21,417 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-26 05:02:21,420 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 256 states [2024-01-26 05:02:21,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 05:02:21,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 256 interpolants. [2024-01-26 05:02:21,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1375, Invalid=63839, Unknown=66, NotChecked=0, Total=65280 [2024-01-26 05:02:21,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:02:21,441 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 05:02:21,443 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 256 states, 256 states have (on average 5.6484375) internal successors, (1446), 256 states have internal predecessors, (1446), 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 05:02:21,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:02:21,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-01-26 05:02:21,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-01-26 05:02:21,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-01-26 05:02:21,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2024-01-26 05:02:21,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-01-26 05:02:21,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-01-26 05:02:21,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:03:05,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:03:05,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-01-26 05:03:05,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-01-26 05:03:05,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-01-26 05:03:05,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-01-26 05:03:05,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-01-26 05:03:05,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-01-26 05:03:05,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. [2024-01-26 05:03:05,625 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-01-26 05:03:05,819 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 05:03:05,819 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 05:03:05,819 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 05:03:05,820 INFO L85 PathProgramCache]: Analyzing trace with hash -527229225, now seen corresponding path program 4 times [2024-01-26 05:03:05,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 05:03:05,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923105629] [2024-01-26 05:03:05,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 05:03:05,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 05:03:05,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 05:03:07,129 INFO L134 CoverageAnalysis]: Checked inductivity of 621 backedges. 398 proven. 52 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2024-01-26 05:03:07,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 05:03:07,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923105629] [2024-01-26 05:03:07,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [923105629] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 05:03:07,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1520620735] [2024-01-26 05:03:07,130 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-01-26 05:03:07,130 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 05:03:07,131 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 05:03:07,132 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 05:03:07,134 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 05:03:07,358 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-01-26 05:03:07,358 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-01-26 05:03:07,362 INFO L262 TraceCheckSpWp]: Trace formula consists of 918 conjuncts, 22 conjunts are in the unsatisfiable core [2024-01-26 05:03:07,370 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 05:03:09,013 INFO L134 CoverageAnalysis]: Checked inductivity of 621 backedges. 27 proven. 196 refuted. 0 times theorem prover too weak. 398 trivial. 0 not checked. [2024-01-26 05:03:09,013 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 05:03:10,125 INFO L134 CoverageAnalysis]: Checked inductivity of 621 backedges. 52 proven. 171 refuted. 0 times theorem prover too weak. 398 trivial. 0 not checked. [2024-01-26 05:03:10,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1520620735] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-26 05:03:10,125 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-26 05:03:10,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 21, 21] total 62 [2024-01-26 05:03:10,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632162814] [2024-01-26 05:03:10,126 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-26 05:03:10,128 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 62 states [2024-01-26 05:03:10,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 05:03:10,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2024-01-26 05:03:10,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=354, Invalid=3428, Unknown=0, NotChecked=0, Total=3782 [2024-01-26 05:03:10,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:03:10,132 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 05:03:10,132 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 62 states, 62 states have (on average 20.29032258064516) internal successors, (1258), 62 states have internal predecessors, (1258), 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 05:03:10,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:03:10,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-01-26 05:03:10,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-01-26 05:03:10,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-01-26 05:03:10,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2024-01-26 05:03:10,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-01-26 05:03:10,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-01-26 05:03:10,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 153 states. [2024-01-26 05:03:10,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:03:13,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:03:13,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-01-26 05:03:13,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-01-26 05:03:13,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-01-26 05:03:13,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-01-26 05:03:13,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-01-26 05:03:13,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-01-26 05:03:13,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. [2024-01-26 05:03:13,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2024-01-26 05:03:13,158 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-01-26 05:03:13,351 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,SelfDestructingSolverStorable8 [2024-01-26 05:03:13,352 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 05:03:13,352 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 05:03:13,352 INFO L85 PathProgramCache]: Analyzing trace with hash 1391125359, now seen corresponding path program 5 times [2024-01-26 05:03:13,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 05:03:13,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625182873] [2024-01-26 05:03:13,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 05:03:13,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 05:03:13,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 05:03:14,764 INFO L134 CoverageAnalysis]: Checked inductivity of 823 backedges. 30 proven. 395 refuted. 0 times theorem prover too weak. 398 trivial. 0 not checked. [2024-01-26 05:03:14,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 05:03:14,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625182873] [2024-01-26 05:03:14,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [625182873] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 05:03:14,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1295400328] [2024-01-26 05:03:14,764 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-01-26 05:03:14,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 05:03:14,765 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 05:03:14,769 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 05:03:14,781 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 05:03:15,051 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2024-01-26 05:03:15,051 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-01-26 05:03:15,058 INFO L262 TraceCheckSpWp]: Trace formula consists of 1181 conjuncts, 23 conjunts are in the unsatisfiable core [2024-01-26 05:03:15,067 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 05:03:16,689 INFO L134 CoverageAnalysis]: Checked inductivity of 823 backedges. 121 proven. 617 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-01-26 05:03:16,690 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 05:03:17,618 INFO L134 CoverageAnalysis]: Checked inductivity of 823 backedges. 256 proven. 482 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-01-26 05:03:17,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1295400328] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-26 05:03:17,618 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-26 05:03:17,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 22, 22] total 56 [2024-01-26 05:03:17,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814628946] [2024-01-26 05:03:17,619 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-26 05:03:17,620 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2024-01-26 05:03:17,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 05:03:17,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2024-01-26 05:03:17,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=265, Invalid=2815, Unknown=0, NotChecked=0, Total=3080 [2024-01-26 05:03:17,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:03:17,623 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 05:03:17,624 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 56 states, 56 states have (on average 24.303571428571427) internal successors, (1361), 56 states have internal predecessors, (1361), 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 05:03:17,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:03:17,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-01-26 05:03:17,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-01-26 05:03:17,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-01-26 05:03:17,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2024-01-26 05:03:17,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-01-26 05:03:17,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-01-26 05:03:17,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 153 states. [2024-01-26 05:03:17,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2024-01-26 05:03:17,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:03:21,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:03:21,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-01-26 05:03:21,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-01-26 05:03:21,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-01-26 05:03:21,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-01-26 05:03:21,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-01-26 05:03:21,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-01-26 05:03:21,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. [2024-01-26 05:03:21,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2024-01-26 05:03:21,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2024-01-26 05:03:21,780 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-01-26 05:03:21,976 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 05:03:21,976 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 05:03:21,977 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 05:03:21,977 INFO L85 PathProgramCache]: Analyzing trace with hash -798462417, now seen corresponding path program 6 times [2024-01-26 05:03:21,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 05:03:21,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771026779] [2024-01-26 05:03:21,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 05:03:21,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 05:03:22,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 05:03:23,627 INFO L134 CoverageAnalysis]: Checked inductivity of 1273 backedges. 623 proven. 85 refuted. 0 times theorem prover too weak. 565 trivial. 0 not checked. [2024-01-26 05:03:23,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 05:03:23,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771026779] [2024-01-26 05:03:23,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1771026779] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 05:03:23,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1204696012] [2024-01-26 05:03:23,628 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-01-26 05:03:23,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 05:03:23,628 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 05:03:23,636 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-01-26 05:03:23,638 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-01-26 05:03:23,955 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2024-01-26 05:03:23,956 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-01-26 05:03:23,961 INFO L262 TraceCheckSpWp]: Trace formula consists of 1351 conjuncts, 30 conjunts are in the unsatisfiable core [2024-01-26 05:03:23,969 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 05:03:25,219 INFO L134 CoverageAnalysis]: Checked inductivity of 1273 backedges. 434 proven. 274 refuted. 0 times theorem prover too weak. 565 trivial. 0 not checked. [2024-01-26 05:03:25,219 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 05:03:26,099 INFO L134 CoverageAnalysis]: Checked inductivity of 1273 backedges. 623 proven. 85 refuted. 0 times theorem prover too weak. 565 trivial. 0 not checked. [2024-01-26 05:03:26,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1204696012] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-26 05:03:26,100 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-26 05:03:26,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29, 29] total 68 [2024-01-26 05:03:26,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328690239] [2024-01-26 05:03:26,101 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-26 05:03:26,102 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 68 states [2024-01-26 05:03:26,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 05:03:26,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 68 interpolants. [2024-01-26 05:03:26,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=683, Invalid=3873, Unknown=0, NotChecked=0, Total=4556 [2024-01-26 05:03:26,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:03:26,105 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 05:03:26,105 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 68 states, 68 states have (on average 14.911764705882353) internal successors, (1014), 68 states have internal predecessors, (1014), 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 05:03:26,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:03:26,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-01-26 05:03:26,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-01-26 05:03:26,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-01-26 05:03:26,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2024-01-26 05:03:26,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-01-26 05:03:26,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-01-26 05:03:26,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 153 states. [2024-01-26 05:03:26,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2024-01-26 05:03:26,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2024-01-26 05:03:26,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:03:28,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:03:28,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-01-26 05:03:28,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-01-26 05:03:28,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-01-26 05:03:28,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-01-26 05:03:28,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-01-26 05:03:28,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-01-26 05:03:28,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. [2024-01-26 05:03:28,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2024-01-26 05:03:28,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2024-01-26 05:03:28,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-01-26 05:03:28,339 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-01-26 05:03:28,539 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 05:03:28,539 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 05:03:28,540 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 05:03:28,540 INFO L85 PathProgramCache]: Analyzing trace with hash 1257763237, now seen corresponding path program 7 times [2024-01-26 05:03:28,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 05:03:28,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393636257] [2024-01-26 05:03:28,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 05:03:28,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 05:03:28,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 05:03:30,056 INFO L134 CoverageAnalysis]: Checked inductivity of 1314 backedges. 453 proven. 735 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2024-01-26 05:03:30,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 05:03:30,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393636257] [2024-01-26 05:03:30,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1393636257] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 05:03:30,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1429154334] [2024-01-26 05:03:30,056 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-01-26 05:03:30,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 05:03:30,057 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 05:03:30,057 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-01-26 05:03:30,059 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-01-26 05:03:30,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 05:03:30,348 INFO L262 TraceCheckSpWp]: Trace formula consists of 1365 conjuncts, 30 conjunts are in the unsatisfiable core [2024-01-26 05:03:30,358 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 05:03:32,466 INFO L134 CoverageAnalysis]: Checked inductivity of 1314 backedges. 85 proven. 606 refuted. 0 times theorem prover too weak. 623 trivial. 0 not checked. [2024-01-26 05:03:32,466 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 05:03:33,889 INFO L134 CoverageAnalysis]: Checked inductivity of 1314 backedges. 126 proven. 565 refuted. 0 times theorem prover too weak. 623 trivial. 0 not checked. [2024-01-26 05:03:33,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1429154334] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-26 05:03:33,889 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-26 05:03:33,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 29, 29] total 68 [2024-01-26 05:03:33,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054995284] [2024-01-26 05:03:33,890 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-26 05:03:33,891 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 68 states [2024-01-26 05:03:33,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 05:03:33,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 68 interpolants. [2024-01-26 05:03:33,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=567, Invalid=3989, Unknown=0, NotChecked=0, Total=4556 [2024-01-26 05:03:33,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:03:33,894 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 05:03:33,895 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 68 states, 68 states have (on average 20.61764705882353) internal successors, (1402), 68 states have internal predecessors, (1402), 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 05:03:33,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:03:33,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-01-26 05:03:33,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-01-26 05:03:33,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-01-26 05:03:33,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2024-01-26 05:03:33,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-01-26 05:03:33,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-01-26 05:03:33,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 153 states. [2024-01-26 05:03:33,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2024-01-26 05:03:33,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2024-01-26 05:03:33,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-01-26 05:03:33,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:03:38,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:03:38,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-01-26 05:03:38,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-01-26 05:03:38,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-01-26 05:03:38,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-01-26 05:03:38,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-01-26 05:03:38,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-01-26 05:03:38,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. [2024-01-26 05:03:38,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2024-01-26 05:03:38,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2024-01-26 05:03:38,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-01-26 05:03:38,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2024-01-26 05:03:38,567 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-01-26 05:03:38,760 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-01-26 05:03:38,761 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 05:03:38,761 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 05:03:38,761 INFO L85 PathProgramCache]: Analyzing trace with hash 129606757, now seen corresponding path program 8 times [2024-01-26 05:03:38,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 05:03:38,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392113870] [2024-01-26 05:03:38,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 05:03:38,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 05:03:38,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 05:03:40,854 INFO L134 CoverageAnalysis]: Checked inductivity of 1876 backedges. 904 proven. 126 refuted. 0 times theorem prover too weak. 846 trivial. 0 not checked. [2024-01-26 05:03:40,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 05:03:40,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392113870] [2024-01-26 05:03:40,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1392113870] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 05:03:40,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [645614547] [2024-01-26 05:03:40,855 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-01-26 05:03:40,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 05:03:40,855 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 05:03:40,861 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-01-26 05:03:40,863 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-01-26 05:03:41,156 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-01-26 05:03:41,156 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-01-26 05:03:41,162 INFO L262 TraceCheckSpWp]: Trace formula consists of 1535 conjuncts, 34 conjunts are in the unsatisfiable core [2024-01-26 05:03:41,174 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 05:03:42,577 INFO L134 CoverageAnalysis]: Checked inductivity of 1876 backedges. 661 proven. 369 refuted. 0 times theorem prover too weak. 846 trivial. 0 not checked. [2024-01-26 05:03:42,577 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 05:03:43,611 INFO L134 CoverageAnalysis]: Checked inductivity of 1876 backedges. 904 proven. 126 refuted. 0 times theorem prover too weak. 846 trivial. 0 not checked. [2024-01-26 05:03:43,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [645614547] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-26 05:03:43,611 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-26 05:03:43,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 78 [2024-01-26 05:03:43,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181020957] [2024-01-26 05:03:43,612 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-26 05:03:43,613 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 78 states [2024-01-26 05:03:43,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 05:03:43,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 78 interpolants. [2024-01-26 05:03:43,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=883, Invalid=5123, Unknown=0, NotChecked=0, Total=6006 [2024-01-26 05:03:43,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:03:43,616 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 05:03:43,617 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 78 states, 78 states have (on average 14.743589743589743) internal successors, (1150), 78 states have internal predecessors, (1150), 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 05:03:43,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:03:43,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-01-26 05:03:43,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-01-26 05:03:43,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-01-26 05:03:43,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2024-01-26 05:03:43,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-01-26 05:03:43,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-01-26 05:03:43,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 153 states. [2024-01-26 05:03:43,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2024-01-26 05:03:43,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2024-01-26 05:03:43,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-01-26 05:03:43,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2024-01-26 05:03:43,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:03:45,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:03:45,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-01-26 05:03:45,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-01-26 05:03:45,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-01-26 05:03:45,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-01-26 05:03:45,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-01-26 05:03:45,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-01-26 05:03:45,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. [2024-01-26 05:03:45,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2024-01-26 05:03:45,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2024-01-26 05:03:45,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-01-26 05:03:45,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2024-01-26 05:03:45,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-01-26 05:03:45,942 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-01-26 05:03:46,135 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 05:03:46,136 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 05:03:46,136 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 05:03:46,136 INFO L85 PathProgramCache]: Analyzing trace with hash -1466327589, now seen corresponding path program 9 times [2024-01-26 05:03:46,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 05:03:46,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349254452] [2024-01-26 05:03:46,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 05:03:46,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 05:03:46,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 05:03:47,970 INFO L134 CoverageAnalysis]: Checked inductivity of 1925 backedges. 706 proven. 1044 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2024-01-26 05:03:47,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 05:03:47,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349254452] [2024-01-26 05:03:47,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [349254452] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 05:03:47,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [677454443] [2024-01-26 05:03:47,971 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-01-26 05:03:47,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 05:03:47,971 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 05:03:47,972 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-01-26 05:03:47,974 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-01-26 05:03:48,396 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2024-01-26 05:03:48,396 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-01-26 05:03:48,403 INFO L262 TraceCheckSpWp]: Trace formula consists of 1549 conjuncts, 34 conjunts are in the unsatisfiable core [2024-01-26 05:03:48,413 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 05:03:50,749 INFO L134 CoverageAnalysis]: Checked inductivity of 1925 backedges. 126 proven. 895 refuted. 0 times theorem prover too weak. 904 trivial. 0 not checked. [2024-01-26 05:03:50,749 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 05:03:52,322 INFO L134 CoverageAnalysis]: Checked inductivity of 1925 backedges. 175 proven. 846 refuted. 0 times theorem prover too weak. 904 trivial. 0 not checked. [2024-01-26 05:03:52,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [677454443] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-26 05:03:52,323 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-26 05:03:52,323 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 33, 33] total 78 [2024-01-26 05:03:52,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681653514] [2024-01-26 05:03:52,323 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-26 05:03:52,324 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 78 states [2024-01-26 05:03:52,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 05:03:52,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 78 interpolants. [2024-01-26 05:03:52,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=734, Invalid=5272, Unknown=0, NotChecked=0, Total=6006 [2024-01-26 05:03:52,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:03:52,326 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 05:03:52,327 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 78 states, 78 states have (on average 20.333333333333332) internal successors, (1586), 78 states have internal predecessors, (1586), 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 05:03:52,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:03:52,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-01-26 05:03:52,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-01-26 05:03:52,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-01-26 05:03:52,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2024-01-26 05:03:52,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-01-26 05:03:52,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-01-26 05:03:52,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 153 states. [2024-01-26 05:03:52,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2024-01-26 05:03:52,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2024-01-26 05:03:52,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-01-26 05:03:52,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2024-01-26 05:03:52,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-01-26 05:03:52,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:03:57,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:03:57,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-01-26 05:03:57,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-01-26 05:03:57,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-01-26 05:03:57,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-01-26 05:03:57,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-01-26 05:03:57,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-01-26 05:03:57,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. [2024-01-26 05:03:57,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2024-01-26 05:03:57,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2024-01-26 05:03:57,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-01-26 05:03:57,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2024-01-26 05:03:57,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-01-26 05:03:57,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2024-01-26 05:03:57,745 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-01-26 05:03:57,945 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-01-26 05:03:57,946 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 05:03:57,946 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 05:03:57,946 INFO L85 PathProgramCache]: Analyzing trace with hash -1493731173, now seen corresponding path program 10 times [2024-01-26 05:03:57,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 05:03:57,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514841263] [2024-01-26 05:03:57,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 05:03:57,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 05:03:58,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 05:04:00,171 INFO L134 CoverageAnalysis]: Checked inductivity of 2599 backedges. 1241 proven. 175 refuted. 0 times theorem prover too weak. 1183 trivial. 0 not checked. [2024-01-26 05:04:00,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 05:04:00,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [514841263] [2024-01-26 05:04:00,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [514841263] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 05:04:00,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [82808958] [2024-01-26 05:04:00,172 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-01-26 05:04:00,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 05:04:00,172 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 05:04:00,173 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-01-26 05:04:00,176 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-01-26 05:04:00,437 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-01-26 05:04:00,438 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-01-26 05:04:00,443 INFO L262 TraceCheckSpWp]: Trace formula consists of 1465 conjuncts, 38 conjunts are in the unsatisfiable core [2024-01-26 05:04:00,453 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 05:04:02,165 INFO L134 CoverageAnalysis]: Checked inductivity of 2599 backedges. 944 proven. 472 refuted. 0 times theorem prover too weak. 1183 trivial. 0 not checked. [2024-01-26 05:04:02,165 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 05:04:03,532 INFO L134 CoverageAnalysis]: Checked inductivity of 2599 backedges. 1241 proven. 175 refuted. 0 times theorem prover too weak. 1183 trivial. 0 not checked. [2024-01-26 05:04:03,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [82808958] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-26 05:04:03,533 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-26 05:04:03,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 37, 37] total 88 [2024-01-26 05:04:03,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520051960] [2024-01-26 05:04:03,533 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-26 05:04:03,535 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 88 states [2024-01-26 05:04:03,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 05:04:03,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 88 interpolants. [2024-01-26 05:04:03,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1109, Invalid=6547, Unknown=0, NotChecked=0, Total=7656 [2024-01-26 05:04:03,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:04:03,537 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 05:04:03,538 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 88 states, 88 states have (on average 14.613636363636363) internal successors, (1286), 88 states have internal predecessors, (1286), 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 05:04:03,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:04:03,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-01-26 05:04:03,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-01-26 05:04:03,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-01-26 05:04:03,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2024-01-26 05:04:03,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-01-26 05:04:03,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-01-26 05:04:03,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 153 states. [2024-01-26 05:04:03,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2024-01-26 05:04:03,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2024-01-26 05:04:03,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-01-26 05:04:03,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2024-01-26 05:04:03,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-01-26 05:04:03,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2024-01-26 05:04:03,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:04:06,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:04:06,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-01-26 05:04:06,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-01-26 05:04:06,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-01-26 05:04:06,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-01-26 05:04:06,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-01-26 05:04:06,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-01-26 05:04:06,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. [2024-01-26 05:04:06,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2024-01-26 05:04:06,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2024-01-26 05:04:06,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-01-26 05:04:06,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2024-01-26 05:04:06,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-01-26 05:04:06,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2024-01-26 05:04:06,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-01-26 05:04:06,725 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-01-26 05:04:06,917 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-01-26 05:04:06,917 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 05:04:06,917 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 05:04:06,918 INFO L85 PathProgramCache]: Analyzing trace with hash 194897937, now seen corresponding path program 11 times [2024-01-26 05:04:06,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 05:04:06,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45967809] [2024-01-26 05:04:06,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 05:04:06,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 05:04:07,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 05:04:08,979 INFO L134 CoverageAnalysis]: Checked inductivity of 2656 backedges. 1015 proven. 1409 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2024-01-26 05:04:08,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 05:04:08,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [45967809] [2024-01-26 05:04:08,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [45967809] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 05:04:08,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [30276388] [2024-01-26 05:04:08,980 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-01-26 05:04:08,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 05:04:08,980 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 05:04:08,982 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-01-26 05:04:08,984 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-01-26 05:04:09,330 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2024-01-26 05:04:09,330 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-01-26 05:04:09,339 INFO L262 TraceCheckSpWp]: Trace formula consists of 1733 conjuncts, 38 conjunts are in the unsatisfiable core [2024-01-26 05:04:09,350 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 05:04:12,194 INFO L134 CoverageAnalysis]: Checked inductivity of 2656 backedges. 175 proven. 1240 refuted. 0 times theorem prover too weak. 1241 trivial. 0 not checked. [2024-01-26 05:04:12,194 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 05:04:14,083 INFO L134 CoverageAnalysis]: Checked inductivity of 2656 backedges. 232 proven. 1183 refuted. 0 times theorem prover too weak. 1241 trivial. 0 not checked. [2024-01-26 05:04:14,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [30276388] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-26 05:04:14,084 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-26 05:04:14,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 37, 37] total 88 [2024-01-26 05:04:14,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724792720] [2024-01-26 05:04:14,084 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-26 05:04:14,086 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 88 states [2024-01-26 05:04:14,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 05:04:14,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 88 interpolants. [2024-01-26 05:04:14,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=923, Invalid=6733, Unknown=0, NotChecked=0, Total=7656 [2024-01-26 05:04:14,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:04:14,089 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 05:04:14,090 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 88 states, 88 states have (on average 20.113636363636363) internal successors, (1770), 88 states have internal predecessors, (1770), 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 05:04:14,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:04:14,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-01-26 05:04:14,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-01-26 05:04:14,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-01-26 05:04:14,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2024-01-26 05:04:14,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-01-26 05:04:14,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-01-26 05:04:14,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 153 states. [2024-01-26 05:04:14,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2024-01-26 05:04:14,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2024-01-26 05:04:14,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-01-26 05:04:14,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2024-01-26 05:04:14,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-01-26 05:04:14,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2024-01-26 05:04:14,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-01-26 05:04:14,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:04:20,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:04:20,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-01-26 05:04:20,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-01-26 05:04:20,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-01-26 05:04:20,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-01-26 05:04:20,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-01-26 05:04:20,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-01-26 05:04:20,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. [2024-01-26 05:04:20,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2024-01-26 05:04:20,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2024-01-26 05:04:20,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-01-26 05:04:20,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2024-01-26 05:04:20,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-01-26 05:04:20,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2024-01-26 05:04:20,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-01-26 05:04:20,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2024-01-26 05:04:20,641 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-01-26 05:04:20,832 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-01-26 05:04:20,832 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 05:04:20,833 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 05:04:20,833 INFO L85 PathProgramCache]: Analyzing trace with hash -437261615, now seen corresponding path program 12 times [2024-01-26 05:04:20,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 05:04:20,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446804567] [2024-01-26 05:04:20,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 05:04:20,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 05:04:21,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 05:04:23,294 INFO L134 CoverageAnalysis]: Checked inductivity of 3442 backedges. 1380 proven. 1830 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2024-01-26 05:04:23,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 05:04:23,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446804567] [2024-01-26 05:04:23,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [446804567] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 05:04:23,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [731115302] [2024-01-26 05:04:23,294 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-01-26 05:04:23,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 05:04:23,294 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 05:04:23,295 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-01-26 05:04:23,298 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-01-26 05:04:24,028 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2024-01-26 05:04:24,028 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-01-26 05:04:24,038 INFO L262 TraceCheckSpWp]: Trace formula consists of 1903 conjuncts, 52 conjunts are in the unsatisfiable core [2024-01-26 05:04:24,051 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 05:04:26,173 INFO L134 CoverageAnalysis]: Checked inductivity of 3442 backedges. 1283 proven. 583 refuted. 0 times theorem prover too weak. 1576 trivial. 0 not checked. [2024-01-26 05:04:26,174 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 05:04:28,180 INFO L134 CoverageAnalysis]: Checked inductivity of 3442 backedges. 1634 proven. 625 refuted. 0 times theorem prover too weak. 1183 trivial. 0 not checked. [2024-01-26 05:04:28,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [731115302] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-26 05:04:28,180 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-26 05:04:28,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 41, 44] total 115 [2024-01-26 05:04:28,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461347900] [2024-01-26 05:04:28,181 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-26 05:04:28,182 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 115 states [2024-01-26 05:04:28,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 05:04:28,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 115 interpolants. [2024-01-26 05:04:28,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1256, Invalid=11854, Unknown=0, NotChecked=0, Total=13110 [2024-01-26 05:04:28,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:04:28,186 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 05:04:28,187 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 115 states, 115 states have (on average 20.82608695652174) internal successors, (2395), 115 states have internal predecessors, (2395), 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 05:04:28,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:04:28,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-01-26 05:04:28,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-01-26 05:04:28,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-01-26 05:04:28,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2024-01-26 05:04:28,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-01-26 05:04:28,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-01-26 05:04:28,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 153 states. [2024-01-26 05:04:28,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2024-01-26 05:04:28,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2024-01-26 05:04:28,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-01-26 05:04:28,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2024-01-26 05:04:28,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-01-26 05:04:28,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2024-01-26 05:04:28,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-01-26 05:04:28,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2024-01-26 05:04:28,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:04:40,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:04:40,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-01-26 05:04:40,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-01-26 05:04:40,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-01-26 05:04:40,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-01-26 05:04:40,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-01-26 05:04:40,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-01-26 05:04:40,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 166 states. [2024-01-26 05:04:40,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2024-01-26 05:04:40,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2024-01-26 05:04:40,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-01-26 05:04:40,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2024-01-26 05:04:40,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-01-26 05:04:40,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2024-01-26 05:04:40,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-01-26 05:04:40,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2024-01-26 05:04:40,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 138 states. [2024-01-26 05:04:41,000 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-01-26 05:04:41,191 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-01-26 05:04:41,191 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 05:04:41,191 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 05:04:41,192 INFO L85 PathProgramCache]: Analyzing trace with hash -1714497147, now seen corresponding path program 2 times [2024-01-26 05:04:41,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 05:04:41,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417651029] [2024-01-26 05:04:41,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 05:04:41,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 05:04:41,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 05:06:04,275 INFO L134 CoverageAnalysis]: Checked inductivity of 4347 backedges. 1044 proven. 3303 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 05:06:04,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 05:06:04,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417651029] [2024-01-26 05:06:04,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [417651029] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 05:06:04,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [880671374] [2024-01-26 05:06:04,276 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-01-26 05:06:04,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 05:06:04,276 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 05:06:04,279 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-01-26 05:06:04,279 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-01-26 05:06:04,642 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-01-26 05:06:04,642 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-01-26 05:06:04,653 INFO L262 TraceCheckSpWp]: Trace formula consists of 1998 conjuncts, 434 conjunts are in the unsatisfiable core [2024-01-26 05:06:04,666 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 05:07:16,870 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-01-26 05:07:16,871 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 131 treesize of output 27 [2024-01-26 05:07:20,203 INFO L134 CoverageAnalysis]: Checked inductivity of 4347 backedges. 0 proven. 4347 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 05:07:20,203 INFO L327 TraceCheckSpWp]: Computing backward predicates... Received shutdown request... [2024-01-26 05:14:04,453 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 05:14:04,453 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 05:14:04,470 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-01-26 05:14:05,458 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-01-26 05:14:05,482 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-01-26 05:14:05,654 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 05:14:05,680 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 05:14:05,682 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-01-26 05:14:05,683 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-01-26 05:14:05,683 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 1252 with TraceHistMax 9,while TraceCheckSpWp was constructing backward predicates,while executing Executor. [2024-01-26 05:14:05,686 INFO L445 BasicCegarLoop]: Path program histogram: [12, 2, 1, 1, 1, 1] [2024-01-26 05:14:05,687 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was TIMEOUT (1/3) [2024-01-26 05:14:05,688 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-01-26 05:14:05,688 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-01-26 05:14:05,690 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.01 05:14:05 BasicIcfg [2024-01-26 05:14:05,691 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-01-26 05:14:05,691 INFO L158 Benchmark]: Toolchain (without parser) took 789167.90ms. Allocated memory was 275.8MB in the beginning and 4.3GB in the end (delta: 4.0GB). Free memory was 226.2MB in the beginning and 3.5GB in the end (delta: -3.3GB). Peak memory consumption was 756.5MB. Max. memory is 8.0GB. [2024-01-26 05:14:05,691 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 180.4MB. Free memory was 132.8MB in the beginning and 132.6MB in the end (delta: 188.8kB). There was no memory consumed. Max. memory is 8.0GB. [2024-01-26 05:14:05,691 INFO L158 Benchmark]: CACSL2BoogieTranslator took 341.61ms. Allocated memory is still 275.8MB. Free memory was 226.2MB in the beginning and 213.0MB in the end (delta: 13.2MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2024-01-26 05:14:05,692 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.97ms. Allocated memory is still 275.8MB. Free memory was 213.0MB in the beginning and 210.3MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-01-26 05:14:05,692 INFO L158 Benchmark]: Boogie Preprocessor took 65.98ms. Allocated memory is still 275.8MB. Free memory was 210.3MB in the beginning and 208.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-01-26 05:14:05,692 INFO L158 Benchmark]: RCFGBuilder took 702.83ms. Allocated memory is still 275.8MB. Free memory was 208.2MB in the beginning and 181.0MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. [2024-01-26 05:14:05,692 INFO L158 Benchmark]: TraceAbstraction took 787983.03ms. Allocated memory was 275.8MB in the beginning and 4.3GB in the end (delta: 4.0GB). Free memory was 180.2MB in the beginning and 3.5GB in the end (delta: -3.3GB). Peak memory consumption was 710.4MB. Max. memory is 8.0GB. [2024-01-26 05:14:05,694 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 180.4MB. Free memory was 132.8MB in the beginning and 132.6MB in the end (delta: 188.8kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 341.61ms. Allocated memory is still 275.8MB. Free memory was 226.2MB in the beginning and 213.0MB in the end (delta: 13.2MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 66.97ms. Allocated memory is still 275.8MB. Free memory was 213.0MB in the beginning and 210.3MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 65.98ms. Allocated memory is still 275.8MB. Free memory was 210.3MB in the beginning and 208.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 702.83ms. Allocated memory is still 275.8MB. Free memory was 208.2MB in the beginning and 181.0MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. * TraceAbstraction took 787983.03ms. Allocated memory was 275.8MB in the beginning and 4.3GB in the end (delta: 4.0GB). Free memory was 180.2MB in the beginning and 3.5GB in the end (delta: -3.3GB). Peak memory consumption was 710.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1110498, independent: 1033516, independent conditional: 1033516, independent unconditional: 0, dependent: 76982, dependent conditional: 76982, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1033516, independent: 1033516, independent conditional: 1033516, 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: 1033516, independent: 1033516, independent conditional: 1033516, 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: 1033516, independent: 1033516, independent conditional: 0, independent unconditional: 1033516, 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: 1033516, independent: 1033516, independent conditional: 0, independent unconditional: 1033516, 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: 1033516, independent: 1033516, independent conditional: 0, independent unconditional: 1033516, 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: 12998, independent: 12998, independent conditional: 0, independent unconditional: 12998, 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: 12998, independent: 12998, independent conditional: 0, independent unconditional: 12998, 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: 1033516, independent: 1020518, independent conditional: 0, independent unconditional: 1020518, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 12998, unknown conditional: 0, unknown unconditional: 12998] , Statistics on independence cache: Total cache size (in pairs): 12998, Positive cache size: 12998, Positive conditional cache size: 0, Positive unconditional cache size: 12998, 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: 76982 - TimeoutResultAtElement [Line: 103]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 1252 with TraceHistMax 9,while TraceCheckSpWp was constructing backward predicates,while executing Executor. - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION with 1 thread instances CFG has 5 procedures, 622 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 787.8s, OverallIterations: 18, TraceHistogramMax: 0, PathProgramHistogramMax: 12, EmptinessCheckTime: 103.9s, 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: 1026, 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: 0.9s SsaConstructionTime, 4.2s SatisfiabilityAnalysisTime, 109.8s InterpolantComputationTime, 21023 NumberOfCodeBlocks, 20832 NumberOfCodeBlocksAsserted, 71 NumberOfCheckSat, 31201 ConstructedInterpolants, 31 QuantifiedInterpolants, 172699 SizeOfPredicates, 587 NumberOfNonLiveVariables, 16386 ConjunctsInSsa, 626 ConjunctsInUnsatCore, 45 InterpolantComputations, 4 PerfectInterpolantSequences, 35070/51520 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