/root/.sdkman/candidates/java/current/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/chl-chromosome-trans.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.dynamic-abstractions-a4a1cd3-m [2024-05-30 19:07:21,978 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-30 19:07:22,054 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-30 19:07:22,059 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-30 19:07:22,059 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-30 19:07:22,089 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-30 19:07:22,090 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-30 19:07:22,090 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-30 19:07:22,091 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-30 19:07:22,095 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-30 19:07:22,095 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-30 19:07:22,095 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-30 19:07:22,096 INFO L153 SettingsManager]: * Use SBE=true [2024-05-30 19:07:22,097 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-30 19:07:22,098 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-30 19:07:22,098 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-30 19:07:22,098 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-30 19:07:22,098 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-30 19:07:22,099 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-30 19:07:22,099 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-30 19:07:22,099 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-30 19:07:22,100 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-30 19:07:22,100 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-30 19:07:22,100 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-30 19:07:22,100 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-30 19:07:22,101 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-30 19:07:22,102 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-30 19:07:22,102 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-30 19:07:22,102 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-30 19:07:22,103 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-30 19:07:22,104 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-30 19:07:22,104 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-30 19:07:22,104 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-30 19:07:22,104 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-30 19:07:22,105 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-30 19:07:22,105 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-30 19:07:22,105 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-30 19:07:22,105 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-30 19:07:22,105 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-30 19:07:22,105 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION [2024-05-30 19:07:22,354 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-30 19:07:22,373 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-30 19:07:22,375 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-30 19:07:22,376 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-30 19:07:22,376 INFO L274 PluginConnector]: CDTParser initialized [2024-05-30 19:07:22,377 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/chl-chromosome-trans.wvr.c [2024-05-30 19:07:23,514 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-30 19:07:23,713 INFO L384 CDTParser]: Found 1 translation units. [2024-05-30 19:07:23,714 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-chromosome-trans.wvr.c [2024-05-30 19:07:23,724 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/545019698/63734288c8d34589925f6df153e911c4/FLAGeb7ca2d3e [2024-05-30 19:07:23,738 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/545019698/63734288c8d34589925f6df153e911c4 [2024-05-30 19:07:23,740 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-30 19:07:23,743 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-30 19:07:23,746 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-30 19:07:23,746 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-30 19:07:23,751 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-30 19:07:23,751 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.05 07:07:23" (1/1) ... [2024-05-30 19:07:23,752 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e0e9ff3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 07:07:23, skipping insertion in model container [2024-05-30 19:07:23,752 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.05 07:07:23" (1/1) ... [2024-05-30 19:07:23,784 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-30 19:07:23,964 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/chl-chromosome-trans.wvr.c[3034,3047] [2024-05-30 19:07:23,973 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-30 19:07:23,981 INFO L202 MainTranslator]: Completed pre-run [2024-05-30 19:07:24,005 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/chl-chromosome-trans.wvr.c[3034,3047] [2024-05-30 19:07:24,009 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-30 19:07:24,022 INFO L206 MainTranslator]: Completed translation [2024-05-30 19:07:24,023 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 07:07:24 WrapperNode [2024-05-30 19:07:24,023 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-30 19:07:24,024 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-30 19:07:24,024 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-30 19:07:24,024 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-30 19:07:24,030 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 07:07:24" (1/1) ... [2024-05-30 19:07:24,038 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 07:07:24" (1/1) ... [2024-05-30 19:07:24,062 INFO L138 Inliner]: procedures = 26, calls = 46, calls flagged for inlining = 16, calls inlined = 24, statements flattened = 279 [2024-05-30 19:07:24,063 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-30 19:07:24,063 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-30 19:07:24,064 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-30 19:07:24,064 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-30 19:07:24,072 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 07:07:24" (1/1) ... [2024-05-30 19:07:24,073 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 07:07:24" (1/1) ... [2024-05-30 19:07:24,077 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 07:07:24" (1/1) ... [2024-05-30 19:07:24,077 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 07:07:24" (1/1) ... [2024-05-30 19:07:24,086 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 07:07:24" (1/1) ... [2024-05-30 19:07:24,091 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 07:07:24" (1/1) ... [2024-05-30 19:07:24,093 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 07:07:24" (1/1) ... [2024-05-30 19:07:24,094 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 07:07:24" (1/1) ... [2024-05-30 19:07:24,098 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-30 19:07:24,099 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-30 19:07:24,099 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-30 19:07:24,099 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-30 19:07:24,099 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 07:07:24" (1/1) ... [2024-05-30 19:07:24,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-30 19:07:24,120 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 19:07:24,146 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) [2024-05-30 19:07:24,160 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 [2024-05-30 19:07:24,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-30 19:07:24,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-30 19:07:24,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-30 19:07:24,189 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-05-30 19:07:24,189 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-05-30 19:07:24,189 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-05-30 19:07:24,189 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-05-30 19:07:24,189 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-05-30 19:07:24,189 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-05-30 19:07:24,189 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-05-30 19:07:24,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-30 19:07:24,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-05-30 19:07:24,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-30 19:07:24,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-30 19:07:24,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-30 19:07:24,191 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-30 19:07:24,298 INFO L241 CfgBuilder]: Building ICFG [2024-05-30 19:07:24,300 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-30 19:07:24,677 INFO L282 CfgBuilder]: Performing block encoding [2024-05-30 19:07:24,692 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-30 19:07:24,692 INFO L309 CfgBuilder]: Removed 6 assume(true) statements. [2024-05-30 19:07:24,692 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.05 07:07:24 BoogieIcfgContainer [2024-05-30 19:07:24,692 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-30 19:07:24,695 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-30 19:07:24,695 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-30 19:07:24,697 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-30 19:07:24,698 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.05 07:07:23" (1/3) ... [2024-05-30 19:07:24,698 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d466f21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.05 07:07:24, skipping insertion in model container [2024-05-30 19:07:24,698 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 07:07:24" (2/3) ... [2024-05-30 19:07:24,698 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d466f21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.05 07:07:24, skipping insertion in model container [2024-05-30 19:07:24,699 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.05 07:07:24" (3/3) ... [2024-05-30 19:07:24,700 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-chromosome-trans.wvr.c [2024-05-30 19:07:24,708 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-30 19:07:24,716 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-30 19:07:24,716 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-30 19:07:24,717 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-30 19:07:24,857 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-05-30 19:07:24,914 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-30 19:07:24,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-30 19:07:24,914 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 19:07:24,915 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) [2024-05-30 19:07:24,917 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 [2024-05-30 19:07:24,953 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-30 19:07:24,959 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2024-05-30 19:07:24,971 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;@3e2aad2c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-30 19:07:24,972 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-05-30 19:07:28,927 INFO L78 Accepts]: Start accepts. Automaton has currently 83630 states, but on-demand construction may add more states Word has length 196 [2024-05-30 19:07:28,945 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 19:07:28,945 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 19:07:28,951 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 19:07:28,952 INFO L85 PathProgramCache]: Analyzing trace with hash 640135413, now seen corresponding path program 1 times [2024-05-30 19:07:28,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 19:07:28,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275163793] [2024-05-30 19:07:28,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 19:07:28,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 19:07:29,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 19:07:29,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 19:07:29,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 19:07:29,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275163793] [2024-05-30 19:07:29,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [275163793] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 19:07:29,383 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 19:07:29,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-30 19:07:29,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369410461] [2024-05-30 19:07:29,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 19:07:29,390 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-30 19:07:29,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 19:07:29,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-30 19:07:29,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-30 19:07:29,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:07:29,415 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 19:07:29,416 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 98.0) internal successors, (196), 2 states have internal predecessors, (196), 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) [2024-05-30 19:07:29,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:07:32,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:07:32,326 INFO L78 Accepts]: Start accepts. Automaton has currently 86075 states, but on-demand construction may add more states Word has length 186 [2024-05-30 19:07:32,328 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 19:07:32,328 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-30 19:07:32,329 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 19:07:32,329 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 19:07:32,330 INFO L85 PathProgramCache]: Analyzing trace with hash 1038783375, now seen corresponding path program 1 times [2024-05-30 19:07:32,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 19:07:32,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401719677] [2024-05-30 19:07:32,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 19:07:32,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 19:07:32,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 19:07:32,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 19:07:32,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 19:07:32,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401719677] [2024-05-30 19:07:32,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401719677] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 19:07:32,687 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 19:07:32,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-05-30 19:07:32,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620308073] [2024-05-30 19:07:32,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 19:07:32,689 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-05-30 19:07:32,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 19:07:32,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-05-30 19:07:32,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-05-30 19:07:32,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:07:32,694 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 19:07:32,695 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 37.2) internal successors, (186), 5 states have internal predecessors, (186), 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) [2024-05-30 19:07:32,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:07:32,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:07:34,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:07:34,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-30 19:07:34,741 INFO L78 Accepts]: Start accepts. Automaton has currently 86096 states, but on-demand construction may add more states Word has length 210 [2024-05-30 19:07:34,743 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 19:07:34,743 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-05-30 19:07:34,743 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 19:07:34,744 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 19:07:34,744 INFO L85 PathProgramCache]: Analyzing trace with hash -408376877, now seen corresponding path program 1 times [2024-05-30 19:07:34,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 19:07:34,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441191686] [2024-05-30 19:07:34,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 19:07:34,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 19:07:34,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 19:07:35,173 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-05-30 19:07:35,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 19:07:35,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441191686] [2024-05-30 19:07:35,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1441191686] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 19:07:35,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1750363399] [2024-05-30 19:07:35,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 19:07:35,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 19:07:35,175 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 19:07:35,218 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) [2024-05-30 19:07:35,242 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-05-30 19:07:35,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 19:07:35,380 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 6 conjunts are in the unsatisfiable core [2024-05-30 19:07:35,392 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 19:07:35,558 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-05-30 19:07:35,558 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 19:07:35,653 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-05-30 19:07:35,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1750363399] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 19:07:35,654 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 19:07:35,654 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 15 [2024-05-30 19:07:35,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581304105] [2024-05-30 19:07:35,654 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 19:07:35,655 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-05-30 19:07:35,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 19:07:35,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-05-30 19:07:35,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2024-05-30 19:07:35,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:07:35,659 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 19:07:35,660 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 16.6) internal successors, (249), 15 states have internal predecessors, (249), 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) [2024-05-30 19:07:35,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:07:35,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-30 19:07:35,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:07:37,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:07:37,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-30 19:07:37,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-30 19:07:37,483 INFO L78 Accepts]: Start accepts. Automaton has currently 86126 states, but on-demand construction may add more states Word has length 258 [2024-05-30 19:07:37,485 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 19:07:37,493 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-05-30 19:07:37,690 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-05-30 19:07:37,691 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 19:07:37,691 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 19:07:37,691 INFO L85 PathProgramCache]: Analyzing trace with hash 1567521371, now seen corresponding path program 2 times [2024-05-30 19:07:37,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 19:07:37,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877984271] [2024-05-30 19:07:37,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 19:07:37,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 19:07:37,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 19:07:38,032 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-05-30 19:07:38,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 19:07:38,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877984271] [2024-05-30 19:07:38,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1877984271] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 19:07:38,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1132582462] [2024-05-30 19:07:38,040 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-30 19:07:38,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 19:07:38,040 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 19:07:38,041 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) [2024-05-30 19:07:38,070 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-05-30 19:07:38,195 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-05-30 19:07:38,195 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 19:07:38,198 INFO L262 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 9 conjunts are in the unsatisfiable core [2024-05-30 19:07:38,214 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 19:07:38,304 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2024-05-30 19:07:38,304 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-05-30 19:07:38,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1132582462] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 19:07:38,305 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-05-30 19:07:38,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [11] total 16 [2024-05-30 19:07:38,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798927958] [2024-05-30 19:07:38,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 19:07:38,306 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-05-30 19:07:38,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 19:07:38,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-05-30 19:07:38,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2024-05-30 19:07:38,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:07:38,308 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 19:07:38,309 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 30.0) internal successors, (210), 7 states have internal predecessors, (210), 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) [2024-05-30 19:07:38,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:07:38,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-30 19:07:38,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-30 19:07:38,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:07:39,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:07:39,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-30 19:07:39,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-30 19:07:39,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 19:07:39,922 INFO L78 Accepts]: Start accepts. Automaton has currently 83825 states, but on-demand construction may add more states Word has length 291 [2024-05-30 19:07:39,924 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 19:07:39,932 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-05-30 19:07:40,129 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 19:07:40,129 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 19:07:40,130 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 19:07:40,130 INFO L85 PathProgramCache]: Analyzing trace with hash 72374262, now seen corresponding path program 1 times [2024-05-30 19:07:40,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 19:07:40,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391591706] [2024-05-30 19:07:40,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 19:07:40,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 19:07:40,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 19:07:40,442 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-05-30 19:07:40,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 19:07:40,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391591706] [2024-05-30 19:07:40,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1391591706] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 19:07:40,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [182619387] [2024-05-30 19:07:40,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 19:07:40,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 19:07:40,443 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 19:07:40,445 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) [2024-05-30 19:07:40,465 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-05-30 19:07:40,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 19:07:40,613 INFO L262 TraceCheckSpWp]: Trace formula consists of 594 conjuncts, 10 conjunts are in the unsatisfiable core [2024-05-30 19:07:40,616 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 19:07:40,784 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-05-30 19:07:40,784 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 19:07:41,068 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-05-30 19:07:41,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [182619387] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 19:07:41,068 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 19:07:41,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 22 [2024-05-30 19:07:41,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128575285] [2024-05-30 19:07:41,069 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 19:07:41,069 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-05-30 19:07:41,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 19:07:41,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-05-30 19:07:41,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=348, Unknown=0, NotChecked=0, Total=462 [2024-05-30 19:07:41,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:07:41,071 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 19:07:41,071 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 14.272727272727273) internal successors, (314), 22 states have internal predecessors, (314), 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) [2024-05-30 19:07:41,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:07:41,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-30 19:07:41,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-30 19:07:41,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 19:07:41,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:07:42,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:07:42,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-30 19:07:42,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-30 19:07:42,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 19:07:42,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-30 19:07:42,998 INFO L78 Accepts]: Start accepts. Automaton has currently 83873 states, but on-demand construction may add more states Word has length 339 [2024-05-30 19:07:43,000 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 19:07:43,007 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-05-30 19:07:43,206 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 19:07:43,206 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 19:07:43,207 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 19:07:43,207 INFO L85 PathProgramCache]: Analyzing trace with hash 931170414, now seen corresponding path program 2 times [2024-05-30 19:07:43,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 19:07:43,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946861804] [2024-05-30 19:07:43,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 19:07:43,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 19:07:43,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 19:07:43,746 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2024-05-30 19:07:43,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 19:07:43,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946861804] [2024-05-30 19:07:43,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [946861804] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 19:07:43,747 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 19:07:43,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-05-30 19:07:43,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910358760] [2024-05-30 19:07:43,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 19:07:43,748 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-05-30 19:07:43,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 19:07:43,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-05-30 19:07:43,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-05-30 19:07:43,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:07:43,749 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 19:07:43,749 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 30.375) internal successors, (243), 8 states have internal predecessors, (243), 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) [2024-05-30 19:07:43,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:07:43,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-30 19:07:43,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-30 19:07:43,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 19:07:43,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-30 19:07:43,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:07:46,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:07:46,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-30 19:07:46,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-30 19:07:46,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 19:07:46,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-30 19:07:46,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 19:07:46,332 INFO L78 Accepts]: Start accepts. Automaton has currently 138334 states, but on-demand construction may add more states Word has length 372 [2024-05-30 19:07:46,334 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 19:07:46,337 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-05-30 19:07:46,337 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 19:07:46,339 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 19:07:46,339 INFO L85 PathProgramCache]: Analyzing trace with hash -1886983681, now seen corresponding path program 1 times [2024-05-30 19:07:46,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 19:07:46,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670772424] [2024-05-30 19:07:46,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 19:07:46,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 19:07:46,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 19:07:47,089 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2024-05-30 19:07:47,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 19:07:47,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670772424] [2024-05-30 19:07:47,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1670772424] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 19:07:47,090 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 19:07:47,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-05-30 19:07:47,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456267238] [2024-05-30 19:07:47,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 19:07:47,091 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-05-30 19:07:47,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 19:07:47,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-05-30 19:07:47,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-05-30 19:07:47,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:07:47,092 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 19:07:47,093 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 39.42857142857143) internal successors, (276), 7 states have internal predecessors, (276), 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) [2024-05-30 19:07:47,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:07:47,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-30 19:07:47,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-30 19:07:47,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 19:07:47,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-30 19:07:47,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 19:07:47,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:07:52,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:07:52,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-30 19:07:52,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-30 19:07:52,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 19:07:52,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-30 19:07:52,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 19:07:52,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-30 19:07:52,033 INFO L78 Accepts]: Start accepts. Automaton has currently 228488 states, but on-demand construction may add more states Word has length 405 [2024-05-30 19:07:52,035 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 19:07:52,035 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-05-30 19:07:52,036 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 19:07:52,036 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 19:07:52,036 INFO L85 PathProgramCache]: Analyzing trace with hash -797257837, now seen corresponding path program 1 times [2024-05-30 19:07:52,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 19:07:52,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719519775] [2024-05-30 19:07:52,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 19:07:52,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 19:07:52,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 19:07:57,287 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2024-05-30 19:07:57,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 19:07:57,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719519775] [2024-05-30 19:07:57,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [719519775] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 19:07:57,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1423355174] [2024-05-30 19:07:57,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 19:07:57,288 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 19:07:57,288 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 19:07:57,293 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) [2024-05-30 19:07:57,305 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-05-30 19:07:57,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 19:07:57,514 INFO L262 TraceCheckSpWp]: Trace formula consists of 784 conjuncts, 78 conjunts are in the unsatisfiable core [2024-05-30 19:07:57,524 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 19:08:01,058 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-30 19:08:01,058 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 41 treesize of output 49 [2024-05-30 19:08:01,311 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2024-05-30 19:08:01,311 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 19:08:04,468 INFO L349 Elim1Store]: treesize reduction 32, result has 73.6 percent of original size [2024-05-30 19:08:04,469 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 46 treesize of output 102 [2024-05-30 19:08:04,697 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2024-05-30 19:08:04,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1423355174] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 19:08:04,698 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 19:08:04,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [58, 53, 37] total 122 [2024-05-30 19:08:04,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6185318] [2024-05-30 19:08:04,698 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 19:08:04,699 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 122 states [2024-05-30 19:08:04,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 19:08:04,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 122 interpolants. [2024-05-30 19:08:04,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=631, Invalid=14131, Unknown=0, NotChecked=0, Total=14762 [2024-05-30 19:08:04,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:08:04,706 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 19:08:04,706 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 122 states, 122 states have (on average 6.327868852459017) internal successors, (772), 122 states have internal predecessors, (772), 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) [2024-05-30 19:08:04,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:08:04,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-30 19:08:04,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-30 19:08:04,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 19:08:04,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-30 19:08:04,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 19:08:04,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-30 19:08:04,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:09:40,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:09:40,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-30 19:09:40,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-30 19:09:40,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 19:09:40,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-30 19:09:40,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 19:09:40,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-30 19:09:40,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 462 states. [2024-05-30 19:09:40,709 INFO L78 Accepts]: Start accepts. Automaton has currently 224058 states, but on-demand construction may add more states Word has length 438 [2024-05-30 19:09:40,712 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 19:09:40,718 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-05-30 19:09:40,912 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,SelfDestructingSolverStorable7 [2024-05-30 19:09:40,913 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 19:09:40,915 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 19:09:40,916 INFO L85 PathProgramCache]: Analyzing trace with hash -1324739032, now seen corresponding path program 2 times [2024-05-30 19:09:40,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 19:09:40,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450132304] [2024-05-30 19:09:40,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 19:09:40,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 19:09:41,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 19:09:45,529 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 3 proven. 34 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2024-05-30 19:09:45,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 19:09:45,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450132304] [2024-05-30 19:09:45,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1450132304] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 19:09:45,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [440623164] [2024-05-30 19:09:45,529 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-30 19:09:45,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 19:09:45,530 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 19:09:45,530 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) [2024-05-30 19:09:45,532 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-05-30 19:09:45,777 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-30 19:09:45,777 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 19:09:45,781 INFO L262 TraceCheckSpWp]: Trace formula consists of 837 conjuncts, 86 conjunts are in the unsatisfiable core [2024-05-30 19:09:45,787 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 19:09:49,160 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-30 19:09:49,160 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 63 treesize of output 123 [2024-05-30 19:09:50,060 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2024-05-30 19:09:50,060 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 19:09:53,765 INFO L349 Elim1Store]: treesize reduction 36, result has 70.2 percent of original size [2024-05-30 19:09:53,766 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 46 treesize of output 98 [2024-05-30 19:09:53,899 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 27 proven. 10 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2024-05-30 19:09:53,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [440623164] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 19:09:53,900 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 19:09:53,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [57, 56, 40] total 135 [2024-05-30 19:09:53,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262591103] [2024-05-30 19:09:53,900 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 19:09:53,904 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 135 states [2024-05-30 19:09:53,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 19:09:53,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 135 interpolants. [2024-05-30 19:09:53,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=741, Invalid=17349, Unknown=0, NotChecked=0, Total=18090 [2024-05-30 19:09:53,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:09:53,910 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 19:09:53,911 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 135 states, 135 states have (on average 6.444444444444445) internal successors, (870), 135 states have internal predecessors, (870), 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) [2024-05-30 19:09:53,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:09:53,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-30 19:09:53,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-30 19:09:53,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 19:09:53,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-30 19:09:53,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 19:09:53,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-30 19:09:53,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 462 states. [2024-05-30 19:09:53,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:13:47,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:13:47,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-30 19:13:47,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-30 19:13:47,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 19:13:47,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-30 19:13:47,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 19:13:47,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-30 19:13:47,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 462 states. [2024-05-30 19:13:47,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 1173 states. [2024-05-30 19:13:47,205 INFO L78 Accepts]: Start accepts. Automaton has currently 378455 states, but on-demand construction may add more states Word has length 504 [2024-05-30 19:13:47,356 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 19:13:47,368 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-05-30 19:13:47,557 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 19:13:47,557 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 19:13:47,558 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 19:13:47,558 INFO L85 PathProgramCache]: Analyzing trace with hash 996563423, now seen corresponding path program 3 times [2024-05-30 19:13:47,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 19:13:47,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281126308] [2024-05-30 19:13:47,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 19:13:47,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 19:13:47,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 19:13:52,943 INFO L134 CoverageAnalysis]: Checked inductivity of 393 backedges. 6 proven. 99 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-05-30 19:13:52,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 19:13:52,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281126308] [2024-05-30 19:13:52,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1281126308] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 19:13:52,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1371507765] [2024-05-30 19:13:52,944 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-30 19:13:52,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 19:13:52,944 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 19:13:52,952 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) [2024-05-30 19:13:52,954 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-05-30 19:13:53,310 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-05-30 19:13:53,310 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 19:13:53,315 INFO L262 TraceCheckSpWp]: Trace formula consists of 859 conjuncts, 88 conjunts are in the unsatisfiable core [2024-05-30 19:13:53,324 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 19:13:57,365 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 [2024-05-30 19:13:57,565 INFO L134 CoverageAnalysis]: Checked inductivity of 393 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-05-30 19:13:57,565 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 19:14:00,896 INFO L349 Elim1Store]: treesize reduction 32, result has 73.6 percent of original size [2024-05-30 19:14:00,896 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 44 treesize of output 100 [2024-05-30 19:14:01,007 INFO L134 CoverageAnalysis]: Checked inductivity of 393 backedges. 89 proven. 16 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-05-30 19:14:01,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1371507765] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 19:14:01,008 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 19:14:01,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [58, 62, 42] total 122 [2024-05-30 19:14:01,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532257435] [2024-05-30 19:14:01,008 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 19:14:01,010 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 122 states [2024-05-30 19:14:01,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 19:14:01,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 122 interpolants. [2024-05-30 19:14:01,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=651, Invalid=14111, Unknown=0, NotChecked=0, Total=14762 [2024-05-30 19:14:01,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:14:01,015 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 19:14:01,016 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 122 states, 122 states have (on average 6.655737704918033) internal successors, (812), 122 states have internal predecessors, (812), 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) [2024-05-30 19:14:01,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:14:01,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-30 19:14:01,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-30 19:14:01,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 19:14:01,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-30 19:14:01,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 19:14:01,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-30 19:14:01,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 462 states. [2024-05-30 19:14:01,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 1173 states. [2024-05-30 19:14:01,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:16:46,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:16:46,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-30 19:16:46,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-30 19:16:46,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 19:16:46,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-30 19:16:46,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 19:16:46,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-30 19:16:46,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 462 states. [2024-05-30 19:16:46,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 1173 states. [2024-05-30 19:16:46,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 928 states. [2024-05-30 19:16:46,526 INFO L78 Accepts]: Start accepts. Automaton has currently 572082 states, but on-demand construction may add more states Word has length 570 [2024-05-30 19:16:46,530 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 19:16:46,536 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-05-30 19:16:46,730 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,SelfDestructingSolverStorable9 [2024-05-30 19:16:46,731 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 19:16:46,731 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 19:16:46,731 INFO L85 PathProgramCache]: Analyzing trace with hash 148689754, now seen corresponding path program 4 times [2024-05-30 19:16:46,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 19:16:46,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443609575] [2024-05-30 19:16:46,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 19:16:46,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 19:16:46,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 19:16:53,507 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 3 proven. 236 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2024-05-30 19:16:53,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 19:16:53,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1443609575] [2024-05-30 19:16:53,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1443609575] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 19:16:53,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2093961847] [2024-05-30 19:16:53,508 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-30 19:16:53,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 19:16:53,508 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 19:16:53,509 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) [2024-05-30 19:16:53,511 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-05-30 19:16:54,182 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-30 19:16:54,183 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 19:16:54,189 INFO L262 TraceCheckSpWp]: Trace formula consists of 1049 conjuncts, 136 conjunts are in the unsatisfiable core [2024-05-30 19:16:54,197 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 19:16:59,138 INFO L349 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2024-05-30 19:16:59,139 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 13 [2024-05-30 19:16:59,725 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 0 proven. 268 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2024-05-30 19:16:59,725 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 19:17:03,949 INFO L349 Elim1Store]: treesize reduction 43, result has 66.7 percent of original size [2024-05-30 19:17:03,950 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 52 treesize of output 97 [2024-05-30 19:17:04,228 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 58 proven. 181 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2024-05-30 19:17:04,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2093961847] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 19:17:04,228 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 19:17:04,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [64, 67, 47] total 149 [2024-05-30 19:17:04,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926225642] [2024-05-30 19:17:04,229 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 19:17:04,230 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 149 states [2024-05-30 19:17:04,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 19:17:04,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 149 interpolants. [2024-05-30 19:17:04,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=760, Invalid=21292, Unknown=0, NotChecked=0, Total=22052 [2024-05-30 19:17:04,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:17:04,238 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 19:17:04,238 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 149 states, 149 states have (on average 7.429530201342282) internal successors, (1107), 149 states have internal predecessors, (1107), 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) [2024-05-30 19:17:04,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 19:17:04,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-30 19:17:04,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-30 19:17:04,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 19:17:04,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-30 19:17:04,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 19:17:04,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-30 19:17:04,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 462 states. [2024-05-30 19:17:04,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 1173 states. [2024-05-30 19:17:04,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 928 states. [2024-05-30 19:17:04,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2024-05-30 19:19:50,080 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 [2024-05-30 19:19:50,080 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 [2024-05-30 19:19:50,088 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-05-30 19:19:50,118 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-30 19:19:50,281 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 19:19:50,281 WARN L619 AbstractCegarLoop]: Verification canceled: while executing DepthFirstTraversal. [2024-05-30 19:19:50,284 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-05-30 19:19:50,288 INFO L445 BasicCegarLoop]: Path program histogram: [4, 2, 2, 1, 1, 1] [2024-05-30 19:19:50,290 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was TIMEOUT (1/4) [2024-05-30 19:19:50,291 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-30 19:19:50,291 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-05-30 19:19:50,295 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.05 07:19:50 BasicIcfg [2024-05-30 19:19:50,295 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-30 19:19:50,296 INFO L158 Benchmark]: Toolchain (without parser) took 746552.29ms. Allocated memory was 260.0MB in the beginning and 8.0GB in the end (delta: 7.7GB). Free memory was 188.9MB in the beginning and 5.9GB in the end (delta: -5.7GB). Peak memory consumption was 2.3GB. Max. memory is 8.0GB. [2024-05-30 19:19:50,296 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 260.0MB. Free memory is still 230.9MB. There was no memory consumed. Max. memory is 8.0GB. [2024-05-30 19:19:50,296 INFO L158 Benchmark]: CACSL2BoogieTranslator took 277.72ms. Allocated memory is still 260.0MB. Free memory was 188.7MB in the beginning and 221.7MB in the end (delta: -32.9MB). Peak memory consumption was 11.0MB. Max. memory is 8.0GB. [2024-05-30 19:19:50,296 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.08ms. Allocated memory is still 260.0MB. Free memory was 221.7MB in the beginning and 219.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-30 19:19:50,297 INFO L158 Benchmark]: Boogie Preprocessor took 34.45ms. Allocated memory is still 260.0MB. Free memory was 219.1MB in the beginning and 217.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-30 19:19:50,297 INFO L158 Benchmark]: RCFGBuilder took 593.98ms. Allocated memory is still 260.0MB. Free memory was 217.0MB in the beginning and 190.2MB in the end (delta: 26.7MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. [2024-05-30 19:19:50,297 INFO L158 Benchmark]: TraceAbstraction took 745600.66ms. Allocated memory was 260.0MB in the beginning and 8.0GB in the end (delta: 7.7GB). Free memory was 188.6MB in the beginning and 5.9GB in the end (delta: -5.7GB). Peak memory consumption was 2.3GB. Max. memory is 8.0GB. [2024-05-30 19:19:50,299 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 260.0MB. Free memory is still 230.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 277.72ms. Allocated memory is still 260.0MB. Free memory was 188.7MB in the beginning and 221.7MB in the end (delta: -32.9MB). Peak memory consumption was 11.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 39.08ms. Allocated memory is still 260.0MB. Free memory was 221.7MB in the beginning and 219.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 34.45ms. Allocated memory is still 260.0MB. Free memory was 219.1MB in the beginning and 217.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 593.98ms. Allocated memory is still 260.0MB. Free memory was 217.0MB in the beginning and 190.2MB in the end (delta: 26.7MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. * TraceAbstraction took 745600.66ms. Allocated memory was 260.0MB in the beginning and 8.0GB in the end (delta: 7.7GB). Free memory was 188.6MB in the beginning and 5.9GB in the end (delta: -5.7GB). Peak memory consumption was 2.3GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5967131, independent: 5738813, independent conditional: 5738813, independent unconditional: 0, dependent: 228318, dependent conditional: 228318, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5738813, independent: 5738813, independent conditional: 5738813, 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: 5738813, independent: 5738813, independent conditional: 5738813, 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: 5738813, independent: 5738813, independent conditional: 0, independent unconditional: 5738813, 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: 5738813, independent: 5738813, independent conditional: 0, independent unconditional: 5738813, 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: 5738813, independent: 5738813, independent conditional: 0, independent unconditional: 5738813, 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: 6791, independent: 6791, independent conditional: 0, independent unconditional: 6791, 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: 6791, independent: 6791, independent conditional: 0, independent unconditional: 6791, 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: 5738813, independent: 5732022, independent conditional: 0, independent unconditional: 5732022, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 6791, unknown conditional: 0, unknown unconditional: 6791] , Statistics on independence cache: Total cache size (in pairs): 6791, Positive cache size: 6791, Positive conditional cache size: 0, Positive unconditional cache size: 6791, 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: 228318 - StatisticsResult: Visitor Statistics States: 83552, Transitions: 92233, Traversal time: 3.9s - StatisticsResult: Visitor Statistics States: 86000, Transitions: 87790, Traversal time: 2.9s - StatisticsResult: Visitor Statistics States: 86021, Transitions: 87811, Traversal time: 2.0s - StatisticsResult: Visitor Statistics States: 86051, Transitions: 87841, Traversal time: 1.8s - StatisticsResult: Visitor Statistics States: 83683, Transitions: 85423, Traversal time: 1.6s - StatisticsResult: Visitor Statistics States: 83731, Transitions: 85471, Traversal time: 1.9s - StatisticsResult: Visitor Statistics States: 138191, Transitions: 139931, Traversal time: 2.6s - StatisticsResult: Visitor Statistics States: 228311, Transitions: 231138, Traversal time: 4.9s - StatisticsResult: Visitor Statistics States: 223814, Transitions: 226547, Traversal time: 96.0s - StatisticsResult: Visitor Statistics States: 378110, Transitions: 382020, Traversal time: 233.3s - StatisticsResult: Visitor Statistics States: 571702, Transitions: 576823, Traversal time: 165.5s - StatisticsResult: Visitor Statistics States: 623665, Transitions: 628383, Traversal time: 165.8s - TimeoutResultAtElement [Line: 109]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while executing DepthFirstTraversal. - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION with 1 thread instances CFG has 7 procedures, 484 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 745.4s, OverallIterations: 11, TraceHistogramMax: 0, PathProgramHistogramMax: 4, EmptinessCheckTime: 682.6s, 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: 3613, 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: 0.4s SsaConstructionTime, 2.4s SatisfiabilityAnalysisTime, 57.3s InterpolantComputationTime, 6445 NumberOfCodeBlocks, 6325 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 8839 ConstructedInterpolants, 647 QuantifiedInterpolants, 75204 SizeOfPredicates, 295 NumberOfNonLiveVariables, 4995 ConjunctsInSsa, 413 ConjunctsInUnsatCore, 24 InterpolantComputations, 5 PerfectInterpolantSequences, 4135/5241 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