/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/DynamicStratifiedAbstractions.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/mult-dist.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.dynamic-abstractions-e23131f-m [2024-05-03 04:35:18,768 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-03 04:35:18,805 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf [2024-05-03 04:35:18,808 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-03 04:35:18,809 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-03 04:35:18,809 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-05-03 04:35:18,824 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-03 04:35:18,824 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-03 04:35:18,824 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-03 04:35:18,825 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-03 04:35:18,825 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-03 04:35:18,825 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-03 04:35:18,826 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-03 04:35:18,826 INFO L153 SettingsManager]: * Use SBE=true [2024-05-03 04:35:18,826 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-03 04:35:18,826 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-03 04:35:18,827 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-03 04:35:18,827 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-03 04:35:18,827 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-03 04:35:18,827 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-03 04:35:18,828 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-03 04:35:18,828 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-03 04:35:18,828 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-03 04:35:18,829 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-03 04:35:18,829 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-03 04:35:18,829 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-03 04:35:18,829 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-03 04:35:18,829 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-03 04:35:18,830 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-03 04:35:18,830 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-03 04:35:18,830 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-03 04:35:18,830 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-03 04:35:18,831 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-03 04:35:18,831 INFO L153 SettingsManager]: * Abstraction for dynamic stratified reduction=VARIABLES_GLOBAL [2024-05-03 04:35:18,831 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-03 04:35:18,831 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-03 04:35:18,831 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=DYNAMIC_ABSTRACTIONS [2024-05-03 04:35:18,832 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2024-05-03 04:35:18,832 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-03 04:35:18,832 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-03 04:35:18,832 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-03 04:35:18,832 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION [2024-05-03 04:35:19,058 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-03 04:35:19,076 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-03 04:35:19,078 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-03 04:35:19,080 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-03 04:35:19,080 INFO L274 PluginConnector]: CDTParser initialized [2024-05-03 04:35:19,081 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/mult-dist.wvr.c [2024-05-03 04:35:20,136 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-03 04:35:20,271 INFO L384 CDTParser]: Found 1 translation units. [2024-05-03 04:35:20,271 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/mult-dist.wvr.c [2024-05-03 04:35:20,281 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/65099d3fb/1833af67512c4efc8e14d1b163514b3f/FLAGca1f83448 [2024-05-03 04:35:20,688 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/65099d3fb/1833af67512c4efc8e14d1b163514b3f [2024-05-03 04:35:20,690 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-03 04:35:20,691 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-03 04:35:20,692 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-03 04:35:20,692 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-03 04:35:20,712 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-03 04:35:20,713 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.05 04:35:20" (1/1) ... [2024-05-03 04:35:20,713 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60cf022d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 04:35:20, skipping insertion in model container [2024-05-03 04:35:20,713 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.05 04:35:20" (1/1) ... [2024-05-03 04:35:20,730 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-03 04:35:20,888 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/mult-dist.wvr.c[2116,2129] [2024-05-03 04:35:20,897 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-03 04:35:20,907 INFO L202 MainTranslator]: Completed pre-run [2024-05-03 04:35:20,935 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/mult-dist.wvr.c[2116,2129] [2024-05-03 04:35:20,940 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-03 04:35:20,954 INFO L206 MainTranslator]: Completed translation [2024-05-03 04:35:20,954 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 04:35:20 WrapperNode [2024-05-03 04:35:20,954 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-03 04:35:20,955 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-03 04:35:20,955 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-03 04:35:20,955 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-03 04:35:20,963 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 04:35:20" (1/1) ... [2024-05-03 04:35:20,976 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 04:35:20" (1/1) ... [2024-05-03 04:35:20,996 INFO L138 Inliner]: procedures = 22, calls = 25, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 72 [2024-05-03 04:35:20,996 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-03 04:35:20,997 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-03 04:35:20,998 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-03 04:35:20,998 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-03 04:35:21,005 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 04:35:20" (1/1) ... [2024-05-03 04:35:21,005 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 04:35:20" (1/1) ... [2024-05-03 04:35:21,009 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 04:35:20" (1/1) ... [2024-05-03 04:35:21,009 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 04:35:20" (1/1) ... [2024-05-03 04:35:21,022 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 04:35:20" (1/1) ... [2024-05-03 04:35:21,025 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 04:35:20" (1/1) ... [2024-05-03 04:35:21,026 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 04:35:20" (1/1) ... [2024-05-03 04:35:21,027 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 04:35:20" (1/1) ... [2024-05-03 04:35:21,028 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-03 04:35:21,028 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-03 04:35:21,029 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-03 04:35:21,029 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-03 04:35:21,029 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 04:35:20" (1/1) ... [2024-05-03 04:35:21,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-03 04:35:21,047 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 04:35:21,060 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) [2024-05-03 04:35:21,095 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 [2024-05-03 04:35:21,114 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-03 04:35:21,114 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-05-03 04:35:21,114 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-05-03 04:35:21,114 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-05-03 04:35:21,114 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-05-03 04:35:21,114 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-05-03 04:35:21,114 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-05-03 04:35:21,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-03 04:35:21,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-03 04:35:21,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-03 04:35:21,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-03 04:35:21,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-03 04:35:21,115 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-05-03 04:35:21,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-03 04:35:21,116 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-03 04:35:21,184 INFO L241 CfgBuilder]: Building ICFG [2024-05-03 04:35:21,186 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-03 04:35:21,384 INFO L282 CfgBuilder]: Performing block encoding [2024-05-03 04:35:21,399 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-03 04:35:21,399 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2024-05-03 04:35:21,399 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.05 04:35:21 BoogieIcfgContainer [2024-05-03 04:35:21,399 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-03 04:35:21,401 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-03 04:35:21,401 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-03 04:35:21,403 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-03 04:35:21,404 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.05 04:35:20" (1/3) ... [2024-05-03 04:35:21,404 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43b139fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.05 04:35:21, skipping insertion in model container [2024-05-03 04:35:21,404 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 04:35:20" (2/3) ... [2024-05-03 04:35:21,404 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43b139fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.05 04:35:21, skipping insertion in model container [2024-05-03 04:35:21,405 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.05 04:35:21" (3/3) ... [2024-05-03 04:35:21,405 INFO L112 eAbstractionObserver]: Analyzing ICFG mult-dist.wvr.c [2024-05-03 04:35:21,412 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-03 04:35:21,420 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-03 04:35:21,420 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-03 04:35:21,420 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-03 04:35:21,462 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-05-03 04:35:21,494 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-03 04:35:21,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-03 04:35:21,494 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 04:35:21,497 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) [2024-05-03 04:35:21,525 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 [2024-05-03 04:35:21,568 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-03 04:35:21,576 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2024-05-03 04:35:21,582 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@40b154a3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-03 04:35:21,582 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-05-03 04:35:21,589 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 04:35:21,695 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:21,696 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:21,696 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:21,711 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:21,711 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:21,711 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:21,728 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:21,729 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:21,729 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:21,743 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:21,744 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:21,744 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:21,756 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:21,757 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:21,757 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:21,767 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:21,768 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:21,768 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:21,793 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:21,794 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:21,794 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:21,817 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:21,818 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:21,818 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:21,840 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:21,840 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:21,840 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:21,840 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:21,856 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:21,856 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:21,871 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:21,871 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:21,871 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:21,917 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:21,918 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:21,918 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:21,933 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:21,933 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:21,933 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:21,946 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:21,946 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:21,946 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:21,963 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:21,963 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:21,963 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:21,973 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:21,973 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:21,973 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:21,999 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:21,999 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:21,999 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:22,013 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:22,014 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:22,014 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:22,025 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:22,025 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:22,025 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:22,055 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:22,055 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:22,055 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:22,055 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:22,055 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:22,055 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:22,065 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:22,065 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:22,065 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:22,077 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:22,078 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:22,078 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:22,087 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:22,087 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:22,087 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:22,096 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:22,112 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:22,112 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:22,123 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:22,123 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:22,123 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:22,130 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:22,130 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:22,130 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:22,137 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:22,137 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:22,138 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:22,149 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:22,149 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:22,150 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:22,157 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:22,157 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:22,157 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:22,176 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:22,176 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:22,176 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:22,176 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:22,176 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:22,176 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:22,192 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:22,192 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:22,192 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:22,229 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:22,229 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:22,229 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:22,237 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:22,237 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:22,237 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:22,244 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:22,244 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:22,245 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:22,254 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:22,254 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:22,255 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:22,266 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:22,266 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:22,267 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:22,275 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:22,275 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:22,275 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:22,289 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:22,289 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:22,289 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:22,298 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:22,299 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:22,299 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:22,314 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:22,315 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:22,315 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:22,315 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:22,315 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:22,315 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:22,330 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:22,331 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:22,331 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:22,336 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:22,336 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:22,337 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:22,340 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:22,340 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:22,340 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:22,343 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:22,344 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:22,344 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:22,362 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:22,362 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:22,362 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:22,364 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 571 states. [2024-05-03 04:35:22,364 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-03 04:35:22,367 INFO L78 Accepts]: Start accepts. Automaton has currently 677 states, but on-demand construction may add more states Word has length 76 [2024-05-03 04:35:22,368 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 04:35:22,369 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 04:35:22,375 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 04:35:22,375 INFO L85 PathProgramCache]: Analyzing trace with hash 1473421353, now seen corresponding path program 1 times [2024-05-03 04:35:22,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 04:35:22,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237483751] [2024-05-03 04:35:22,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 04:35:22,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 04:35:22,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 04:35:22,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 04:35:22,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 04:35:22,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237483751] [2024-05-03 04:35:22,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [237483751] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-03 04:35:22,672 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-03 04:35:22,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-03 04:35:22,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465336363] [2024-05-03 04:35:22,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-03 04:35:22,680 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-03 04:35:22,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 04:35:22,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-03 04:35:22,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-03 04:35:22,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:35:22,702 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 04:35:22,703 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 38.0) internal successors, (76), 2 states have internal predecessors, (76), 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) [2024-05-03 04:35:22,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:35:22,704 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 04:35:22,735 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:22,736 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:22,736 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:22,742 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:22,742 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:22,742 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:22,747 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:22,747 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:22,747 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:22,755 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:22,755 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:22,755 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:22,760 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:22,760 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:22,761 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:22,768 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:22,771 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:22,771 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:22,781 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:22,781 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:22,781 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:22,785 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:22,786 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:22,786 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:22,793 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:22,793 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:22,793 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:22,793 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:22,793 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:22,793 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:22,797 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:22,798 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:22,799 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:22,805 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:22,806 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:22,806 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:22,812 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:22,812 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:22,812 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:22,818 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:22,818 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:22,818 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:22,824 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:22,824 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:22,825 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:22,829 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:22,829 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:22,829 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:22,834 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:22,835 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:22,835 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:22,841 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:22,842 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:22,842 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:22,846 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:22,846 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:22,846 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:22,854 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:22,854 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:22,855 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:22,855 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:22,855 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:22,855 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:22,860 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:22,860 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:22,861 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:22,872 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:22,873 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:22,873 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:22,880 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:22,880 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:22,880 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:22,886 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:22,886 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:22,886 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:22,891 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:22,891 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:22,891 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:22,896 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:22,896 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:22,896 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:22,900 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:22,900 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:22,900 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:22,908 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:22,908 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:22,909 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:22,915 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:22,915 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:22,915 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:22,922 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:22,922 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:22,922 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:22,922 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:22,923 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:22,923 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:22,927 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:22,927 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:22,927 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:22,933 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:22,933 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:22,933 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:22,938 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:22,939 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:22,939 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:22,943 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:22,944 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:22,944 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:22,952 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:22,953 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:22,953 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:22,959 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:22,960 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:22,960 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:22,964 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:22,964 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:22,964 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:22,970 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:22,971 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:22,971 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:22,979 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:22,980 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:22,980 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:22,989 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:22,989 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:22,990 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:22,990 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:22,991 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:22,991 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:22,998 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:22,998 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:22,999 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:23,010 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:23,010 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:23,010 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:23,014 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:23,014 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:23,014 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:23,017 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:23,017 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:23,017 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:23,024 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:23,024 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:23,024 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:23,033 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 623 states. [2024-05-03 04:35:23,033 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-03 04:35:23,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:35:23,034 INFO L78 Accepts]: Start accepts. Automaton has currently 761 states, but on-demand construction may add more states Word has length 75 [2024-05-03 04:35:23,035 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 04:35:23,035 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-03 04:35:23,035 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 04:35:23,036 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 04:35:23,037 INFO L85 PathProgramCache]: Analyzing trace with hash 601748910, now seen corresponding path program 1 times [2024-05-03 04:35:23,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 04:35:23,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146043840] [2024-05-03 04:35:23,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 04:35:23,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 04:35:23,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 04:35:23,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 04:35:23,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 04:35:23,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146043840] [2024-05-03 04:35:23,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1146043840] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-03 04:35:23,694 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-03 04:35:23,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-05-03 04:35:23,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384403677] [2024-05-03 04:35:23,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-03 04:35:23,695 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-05-03 04:35:23,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 04:35:23,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-05-03 04:35:23,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-05-03 04:35:23,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:35:23,696 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 04:35:23,696 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 7 states have internal predecessors, (75), 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) [2024-05-03 04:35:23,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:35:23,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:35:23,698 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 04:35:23,736 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:23,736 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:23,736 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:23,741 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:23,742 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:23,742 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:23,747 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:23,747 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:23,747 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:23,754 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:23,755 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:23,755 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:23,760 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:23,760 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:23,760 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:23,764 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:23,765 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:23,767 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:23,773 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:23,774 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:23,775 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:23,779 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:23,779 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:23,780 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:23,788 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:23,788 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:23,788 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:23,788 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:23,788 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:23,788 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:23,795 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:23,795 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:23,795 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:23,804 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:23,804 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:23,804 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:23,807 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:23,808 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:23,808 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:23,810 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:23,810 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:23,813 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:23,816 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:23,816 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:23,816 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:23,834 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 306 states. [2024-05-03 04:35:23,834 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-03 04:35:23,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:35:23,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-03 04:35:23,835 INFO L78 Accepts]: Start accepts. Automaton has currently 420 states, but on-demand construction may add more states Word has length 80 [2024-05-03 04:35:23,835 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 04:35:23,835 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-05-03 04:35:23,835 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 04:35:23,835 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 04:35:23,836 INFO L85 PathProgramCache]: Analyzing trace with hash 620088758, now seen corresponding path program 1 times [2024-05-03 04:35:23,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 04:35:23,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122956493] [2024-05-03 04:35:23,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 04:35:23,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 04:35:23,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 04:35:24,198 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 04:35:24,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 04:35:24,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122956493] [2024-05-03 04:35:24,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1122956493] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 04:35:24,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1745700095] [2024-05-03 04:35:24,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 04:35:24,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 04:35:24,200 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 04:35:24,202 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) [2024-05-03 04:35:24,240 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-05-03 04:35:24,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 04:35:24,341 INFO L262 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 11 conjunts are in the unsatisfiable core [2024-05-03 04:35:24,345 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 04:35:25,112 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 04:35:25,113 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 04:35:26,213 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 04:35:26,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1745700095] provided 1 perfect and 1 imperfect interpolant sequences [2024-05-03 04:35:26,214 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-05-03 04:35:26,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8, 7] total 12 [2024-05-03 04:35:26,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919158575] [2024-05-03 04:35:26,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-03 04:35:26,215 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-03 04:35:26,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 04:35:26,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-03 04:35:26,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2024-05-03 04:35:26,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:35:26,215 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 04:35:26,215 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 6 states have internal predecessors, (80), 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) [2024-05-03 04:35:26,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:35:26,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-03 04:35:26,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:35:26,216 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 04:35:26,318 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:26,319 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:26,319 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:26,326 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:26,327 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:26,327 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:26,333 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:26,333 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:26,333 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:26,353 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:26,353 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:26,353 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:26,358 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:26,359 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:26,359 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:26,366 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:26,366 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:26,366 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:26,375 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:26,375 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:26,375 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:26,392 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:26,392 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:26,392 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:26,398 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:26,398 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:26,398 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:26,400 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:26,400 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:26,400 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:26,424 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:26,424 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:26,424 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:26,433 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:26,433 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:26,433 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:26,439 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:26,439 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:26,439 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:35:26,449 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:26,450 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~a~0, ~b~0, thread3Thread1of1ForFork1_~i~2, thread2Thread1of1ForFork0_~i~1] [2024-05-03 04:35:26,450 INFO L370 cStratifiedReduction]: Actual level: [~a~0, ~b~0, thread3Thread1of1ForFork1_~i~2, thread2Thread1of1ForFork0_~i~1] [2024-05-03 04:35:26,458 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:26,461 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~a~0, ~b~0, thread3Thread1of1ForFork1_~i~2, thread2Thread1of1ForFork0_~i~1] [2024-05-03 04:35:26,461 INFO L370 cStratifiedReduction]: Actual level: [~a~0, ~b~0, thread3Thread1of1ForFork1_~i~2, thread2Thread1of1ForFork0_~i~1] [2024-05-03 04:35:26,468 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:26,468 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~a~0, ~b~0, thread3Thread1of1ForFork1_~i~2, thread2Thread1of1ForFork0_~i~1] [2024-05-03 04:35:26,468 INFO L370 cStratifiedReduction]: Actual level: [~a~0, ~b~0, thread3Thread1of1ForFork1_~i~2, thread2Thread1of1ForFork0_~i~1] [2024-05-03 04:35:26,479 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:26,479 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~a~0, ~b~0, thread3Thread1of1ForFork1_~i~2, thread2Thread1of1ForFork0_~i~1] [2024-05-03 04:35:26,480 INFO L370 cStratifiedReduction]: Actual level: [~a~0, ~b~0, thread3Thread1of1ForFork1_~i~2, thread2Thread1of1ForFork0_~i~1] [2024-05-03 04:35:26,485 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:26,485 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~a~0, ~b~0, thread3Thread1of1ForFork1_~i~2, thread2Thread1of1ForFork0_~i~1] [2024-05-03 04:35:26,485 INFO L370 cStratifiedReduction]: Actual level: [~a~0, ~b~0, thread3Thread1of1ForFork1_~i~2, thread2Thread1of1ForFork0_~i~1] [2024-05-03 04:35:26,493 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:26,493 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:26,493 INFO L370 cStratifiedReduction]: Actual level: [~a~0, ~b~0, thread3Thread1of1ForFork1_~i~2, thread2Thread1of1ForFork0_~i~1] [2024-05-03 04:35:26,496 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:26,496 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~a~0, ~b~0, thread3Thread1of1ForFork1_~i~2, thread2Thread1of1ForFork0_~i~1] [2024-05-03 04:35:26,496 INFO L370 cStratifiedReduction]: Actual level: [~a~0, ~b~0, thread3Thread1of1ForFork1_~i~2, thread2Thread1of1ForFork0_~i~1] [2024-05-03 04:35:26,499 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:26,499 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~a~0, ~b~0, thread3Thread1of1ForFork1_~i~2, thread2Thread1of1ForFork0_~i~1] [2024-05-03 04:35:26,499 INFO L370 cStratifiedReduction]: Actual level: [~a~0, ~b~0, thread3Thread1of1ForFork1_~i~2, thread2Thread1of1ForFork0_~i~1] [2024-05-03 04:35:26,502 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:26,502 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~a~0, ~b~0, thread3Thread1of1ForFork1_~i~2, thread2Thread1of1ForFork0_~i~1] [2024-05-03 04:35:26,503 INFO L370 cStratifiedReduction]: Actual level: [~a~0, ~b~0, thread3Thread1of1ForFork1_~i~2, thread2Thread1of1ForFork0_~i~1] [2024-05-03 04:35:26,510 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 480 states. [2024-05-03 04:35:26,510 INFO L212 cStratifiedReduction]: Copied states 26 times. [2024-05-03 04:35:26,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:35:26,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-03 04:35:26,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-03 04:35:26,510 INFO L78 Accepts]: Start accepts. Automaton has currently 700 states, but on-demand construction may add more states Word has length 90 [2024-05-03 04:35:26,513 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 04:35:26,521 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-05-03 04:35:26,718 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 [2024-05-03 04:35:26,719 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 04:35:26,719 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 04:35:26,719 INFO L85 PathProgramCache]: Analyzing trace with hash -718090985, now seen corresponding path program 1 times [2024-05-03 04:35:26,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 04:35:26,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462493945] [2024-05-03 04:35:26,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 04:35:26,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 04:35:26,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 04:35:27,184 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 04:35:27,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 04:35:27,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462493945] [2024-05-03 04:35:27,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [462493945] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 04:35:27,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1195497924] [2024-05-03 04:35:27,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 04:35:27,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 04:35:27,185 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 04:35:27,209 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) [2024-05-03 04:35:27,211 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-05-03 04:35:27,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 04:35:27,316 INFO L262 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 23 conjunts are in the unsatisfiable core [2024-05-03 04:35:27,319 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 04:35:27,755 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 04:35:27,755 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 04:35:28,298 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 04:35:28,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1195497924] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 04:35:28,299 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 04:35:28,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15, 15] total 37 [2024-05-03 04:35:28,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228420923] [2024-05-03 04:35:28,299 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 04:35:28,301 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-05-03 04:35:28,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 04:35:28,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-05-03 04:35:28,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=211, Invalid=1121, Unknown=0, NotChecked=0, Total=1332 [2024-05-03 04:35:28,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:35:28,302 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 04:35:28,303 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 4.081081081081081) internal successors, (151), 37 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 04:35:28,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:35:28,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-03 04:35:28,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-03 04:35:28,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:35:28,303 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 04:35:29,292 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:29,293 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:29,293 INFO L370 cStratifiedReduction]: Actual level: [~a~0, ~b~0, thread3Thread1of1ForFork1_~i~2, thread2Thread1of1ForFork0_~i~1] [2024-05-03 04:35:29,294 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:29,295 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~a~0, ~b~0, thread3Thread1of1ForFork1_~i~2, thread2Thread1of1ForFork0_~i~1] [2024-05-03 04:35:29,295 INFO L370 cStratifiedReduction]: Actual level: [~a~0, ~b~0, thread3Thread1of1ForFork1_~i~2, thread2Thread1of1ForFork0_~i~1] [2024-05-03 04:35:29,315 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:29,315 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~a~0, ~b~0, thread3Thread1of1ForFork1_~i~2, thread2Thread1of1ForFork0_~i~1] [2024-05-03 04:35:29,315 INFO L370 cStratifiedReduction]: Actual level: [~a~0, ~b~0, thread3Thread1of1ForFork1_~i~2, thread2Thread1of1ForFork0_~i~1] [2024-05-03 04:35:29,319 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:29,319 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~a~0, ~b~0, thread3Thread1of1ForFork1_~i~2, thread2Thread1of1ForFork0_~i~1] [2024-05-03 04:35:29,319 INFO L370 cStratifiedReduction]: Actual level: [~a~0, ~b~0, thread3Thread1of1ForFork1_~i~2, thread2Thread1of1ForFork0_~i~1] [2024-05-03 04:35:29,384 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 263 states. [2024-05-03 04:35:29,384 INFO L212 cStratifiedReduction]: Copied states 8 times. [2024-05-03 04:35:29,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:35:29,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-03 04:35:29,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-03 04:35:29,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-05-03 04:35:29,385 INFO L78 Accepts]: Start accepts. Automaton has currently 269 states, but on-demand construction may add more states Word has length 105 [2024-05-03 04:35:29,386 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 04:35:29,398 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-05-03 04:35:29,599 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 [2024-05-03 04:35:29,599 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 04:35:29,599 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 04:35:29,599 INFO L85 PathProgramCache]: Analyzing trace with hash 669846848, now seen corresponding path program 2 times [2024-05-03 04:35:29,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 04:35:29,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649062625] [2024-05-03 04:35:29,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 04:35:29,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 04:35:29,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 04:35:30,294 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 04:35:30,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 04:35:30,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649062625] [2024-05-03 04:35:30,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [649062625] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 04:35:30,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1494964477] [2024-05-03 04:35:30,294 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-03 04:35:30,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 04:35:30,295 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 04:35:30,309 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) [2024-05-03 04:35:30,364 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-05-03 04:35:30,487 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-03 04:35:30,487 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 04:35:30,489 INFO L262 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 35 conjunts are in the unsatisfiable core [2024-05-03 04:35:30,491 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 04:35:30,951 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 04:35:30,951 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 04:35:31,865 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 04:35:31,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1494964477] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 04:35:31,865 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 04:35:31,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 21, 21] total 51 [2024-05-03 04:35:31,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326639502] [2024-05-03 04:35:31,866 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 04:35:31,866 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 51 states [2024-05-03 04:35:31,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 04:35:31,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2024-05-03 04:35:31,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=298, Invalid=2252, Unknown=0, NotChecked=0, Total=2550 [2024-05-03 04:35:31,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:35:31,868 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 04:35:31,868 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 51 states, 51 states have (on average 3.5294117647058822) internal successors, (180), 51 states have internal predecessors, (180), 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) [2024-05-03 04:35:31,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:35:31,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-03 04:35:31,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-03 04:35:31,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-05-03 04:35:31,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:35:31,868 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 04:35:33,329 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:33,329 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:33,329 INFO L370 cStratifiedReduction]: Actual level: [~a~0, ~b~0, thread3Thread1of1ForFork1_~i~2, thread2Thread1of1ForFork0_~i~1] [2024-05-03 04:35:33,331 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:33,331 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~a~0, ~b~0, thread3Thread1of1ForFork1_~i~2, thread2Thread1of1ForFork0_~i~1] [2024-05-03 04:35:33,331 INFO L370 cStratifiedReduction]: Actual level: [~a~0, ~b~0, thread3Thread1of1ForFork1_~i~2, thread2Thread1of1ForFork0_~i~1] [2024-05-03 04:35:33,349 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:33,349 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~a~0, ~b~0, thread3Thread1of1ForFork1_~i~2, thread2Thread1of1ForFork0_~i~1] [2024-05-03 04:35:33,349 INFO L370 cStratifiedReduction]: Actual level: [~a~0, ~b~0, thread3Thread1of1ForFork1_~i~2, thread2Thread1of1ForFork0_~i~1] [2024-05-03 04:35:33,352 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:33,352 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~a~0, ~b~0, thread3Thread1of1ForFork1_~i~2, thread2Thread1of1ForFork0_~i~1] [2024-05-03 04:35:33,352 INFO L370 cStratifiedReduction]: Actual level: [~a~0, ~b~0, thread3Thread1of1ForFork1_~i~2, thread2Thread1of1ForFork0_~i~1] [2024-05-03 04:35:33,382 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 327 states. [2024-05-03 04:35:33,382 INFO L212 cStratifiedReduction]: Copied states 8 times. [2024-05-03 04:35:33,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:35:33,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-03 04:35:33,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-03 04:35:33,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-05-03 04:35:33,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-05-03 04:35:33,383 INFO L78 Accepts]: Start accepts. Automaton has currently 333 states, but on-demand construction may add more states Word has length 125 [2024-05-03 04:35:33,384 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 04:35:33,406 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-05-03 04:35:33,584 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 [2024-05-03 04:35:33,585 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 04:35:33,585 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 04:35:33,586 INFO L85 PathProgramCache]: Analyzing trace with hash 1257822016, now seen corresponding path program 3 times [2024-05-03 04:35:33,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 04:35:33,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144162416] [2024-05-03 04:35:33,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 04:35:33,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 04:35:33,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 04:35:34,452 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 04:35:34,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 04:35:34,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1144162416] [2024-05-03 04:35:34,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1144162416] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 04:35:34,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1776813223] [2024-05-03 04:35:34,452 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-03 04:35:34,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 04:35:34,452 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 04:35:34,453 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) [2024-05-03 04:35:34,456 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-05-03 04:35:34,662 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2024-05-03 04:35:34,663 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 04:35:34,665 INFO L262 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 53 conjunts are in the unsatisfiable core [2024-05-03 04:35:34,667 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 04:35:35,610 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 04:35:35,610 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 04:35:37,337 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 04:35:37,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1776813223] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 04:35:37,337 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 04:35:37,337 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 31, 30] total 78 [2024-05-03 04:35:37,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971672207] [2024-05-03 04:35:37,338 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 04:35:37,349 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 78 states [2024-05-03 04:35:37,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 04:35:37,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 78 interpolants. [2024-05-03 04:35:37,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=671, Invalid=5335, Unknown=0, NotChecked=0, Total=6006 [2024-05-03 04:35:37,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:35:37,356 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 04:35:37,357 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 78 states, 78 states have (on average 3.08974358974359) internal successors, (241), 78 states have internal predecessors, (241), 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) [2024-05-03 04:35:37,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:35:37,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-03 04:35:37,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-03 04:35:37,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-05-03 04:35:37,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-05-03 04:35:37,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:35:37,357 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 04:35:55,977 WARN L293 SmtUtils]: Spent 12.92s on a formula simplification. DAG size of input: 80 DAG size of output: 67 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-03 04:36:04,303 WARN L293 SmtUtils]: Spent 7.45s on a formula simplification. DAG size of input: 76 DAG size of output: 63 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-03 04:36:17,843 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:36:17,843 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:36:17,843 INFO L370 cStratifiedReduction]: Actual level: [~a~0, ~b~0, thread3Thread1of1ForFork1_~i~2, thread2Thread1of1ForFork0_~i~1] [2024-05-03 04:36:17,845 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:36:17,845 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~a~0, ~b~0, thread3Thread1of1ForFork1_~i~2, thread2Thread1of1ForFork0_~i~1] [2024-05-03 04:36:17,845 INFO L370 cStratifiedReduction]: Actual level: [~a~0, ~b~0, thread3Thread1of1ForFork1_~i~2, thread2Thread1of1ForFork0_~i~1] [2024-05-03 04:36:17,875 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:36:17,875 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~a~0, ~b~0, thread3Thread1of1ForFork1_~i~2, thread2Thread1of1ForFork0_~i~1] [2024-05-03 04:36:17,875 INFO L370 cStratifiedReduction]: Actual level: [~a~0, ~b~0, thread3Thread1of1ForFork1_~i~2, thread2Thread1of1ForFork0_~i~1] [2024-05-03 04:36:17,878 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:36:17,878 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~a~0, ~b~0, thread3Thread1of1ForFork1_~i~2, thread2Thread1of1ForFork0_~i~1] [2024-05-03 04:36:17,878 INFO L370 cStratifiedReduction]: Actual level: [~a~0, ~b~0, thread3Thread1of1ForFork1_~i~2, thread2Thread1of1ForFork0_~i~1] [2024-05-03 04:36:17,926 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 451 states. [2024-05-03 04:36:17,926 INFO L212 cStratifiedReduction]: Copied states 8 times. [2024-05-03 04:36:17,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:36:17,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-03 04:36:17,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-03 04:36:17,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-05-03 04:36:17,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-05-03 04:36:17,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2024-05-03 04:36:17,927 INFO L78 Accepts]: Start accepts. Automaton has currently 457 states, but on-demand construction may add more states Word has length 165 [2024-05-03 04:36:17,927 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 04:36:17,933 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-05-03 04:36:18,128 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-05-03 04:36:18,128 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 04:36:18,128 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 04:36:18,128 INFO L85 PathProgramCache]: Analyzing trace with hash -1976210624, now seen corresponding path program 4 times [2024-05-03 04:36:18,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 04:36:18,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073445331] [2024-05-03 04:36:18,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 04:36:18,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 04:36:18,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 04:36:19,790 INFO L134 CoverageAnalysis]: Checked inductivity of 548 backedges. 0 proven. 548 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 04:36:19,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 04:36:19,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073445331] [2024-05-03 04:36:19,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1073445331] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 04:36:19,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [260791069] [2024-05-03 04:36:19,791 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-03 04:36:19,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 04:36:19,791 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 04:36:19,797 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) [2024-05-03 04:36:19,798 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-05-03 04:36:19,961 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-03 04:36:19,962 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 04:36:19,964 INFO L262 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 84 conjunts are in the unsatisfiable core [2024-05-03 04:36:19,967 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 04:36:22,180 INFO L134 CoverageAnalysis]: Checked inductivity of 548 backedges. 0 proven. 548 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 04:36:22,180 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 04:36:27,972 INFO L134 CoverageAnalysis]: Checked inductivity of 548 backedges. 0 proven. 548 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 04:36:27,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [260791069] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 04:36:27,972 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 04:36:27,972 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [46, 45, 46] total 128 [2024-05-03 04:36:27,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115296343] [2024-05-03 04:36:27,972 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 04:36:27,975 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 128 states [2024-05-03 04:36:27,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 04:36:27,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 128 interpolants. [2024-05-03 04:36:27,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1732, Invalid=14524, Unknown=0, NotChecked=0, Total=16256 [2024-05-03 04:36:27,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:36:27,999 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 04:36:28,001 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 128 states, 128 states have (on average 2.890625) internal successors, (370), 128 states have internal predecessors, (370), 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) [2024-05-03 04:36:28,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:36:28,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-03 04:36:28,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-03 04:36:28,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-05-03 04:36:28,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-05-03 04:36:28,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2024-05-03 04:36:28,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:36:28,002 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 04:37:43,749 WARN L293 SmtUtils]: Spent 36.95s on a formula simplification. DAG size of input: 107 DAG size of output: 93 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-03 04:39:13,296 WARN L293 SmtUtils]: Spent 56.96s on a formula simplification. DAG size of input: 131 DAG size of output: 119 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-03 04:43:11,945 WARN L293 SmtUtils]: Spent 3.35m on a formula simplification. DAG size of input: 150 DAG size of output: 151 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-03 04:43:41,966 WARN L293 SmtUtils]: Spent 18.05s on a formula simplification. DAG size of input: 90 DAG size of output: 91 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-03 04:47:41,939 WARN L293 SmtUtils]: Spent 3.35m on a formula simplification. DAG size of input: 146 DAG size of output: 147 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-03 04:47:43,144 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-03 04:47:45,151 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-03 04:47:46,291 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-03 04:47:48,321 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse2 (mod c_~a~0 4294967296))) (let ((.cse0 (< (+ 4294967295 (* (div (+ (- 2) .cse2) 4294967296) 4294967296)) .cse2)) (.cse1 (< (+ 4294967297 (* (div (+ .cse2 (- 4294967295)) 4294967296) 4294967296)) .cse2))) (and (or .cse0 .cse1 (< (mod (+ |c_thread1Thread1of1ForFork2_#t~post1| 5) 4294967296) .cse2)) (or .cse0 .cse1 (< (mod (+ 5 c_thread1Thread1of1ForFork2_~i~0) 4294967296) .cse2)) (or (< (mod (+ c_thread1Thread1of1ForFork2_~i~0 6) 4294967296) .cse2) .cse0 .cse1) (or .cse0 .cse1 (< (mod (+ c_thread1Thread1of1ForFork2_~i~0 10) 4294967296) .cse2)) (or .cse0 .cse1 (< (mod (+ c_thread1Thread1of1ForFork2_~i~0 12) 4294967296) .cse2)) (or .cse0 .cse1 (< (mod (+ |c_thread1Thread1of1ForFork2_#t~post1| 1) 4294967296) .cse2)) (or .cse0 .cse1 (< (mod (+ |c_thread1Thread1of1ForFork2_#t~post1| 8) 4294967296) .cse2)) (or .cse0 .cse1 (< (mod (+ c_thread1Thread1of1ForFork2_~i~0 3) 4294967296) .cse2)) (< (mod (+ |c_thread1Thread1of1ForFork2_#t~post1| 14) 4294967296) 4294967295) (or (< (mod (+ c_thread1Thread1of1ForFork2_~i~0 1) 4294967296) .cse2) .cse0 .cse1) (< (mod (+ c_thread1Thread1of1ForFork2_~i~0 13) 4294967296) 4294967295) (or (< (mod (+ c_thread1Thread1of1ForFork2_~i~0 2) 4294967296) .cse2) .cse0 .cse1) (or .cse0 .cse1 (< (mod (+ |c_thread1Thread1of1ForFork2_#t~post1| 9) 4294967296) .cse2)) (or .cse0 .cse1 (< (mod (+ c_thread1Thread1of1ForFork2_~i~0 8) 4294967296) .cse2)) (or .cse0 .cse1 (< (mod (+ |c_thread1Thread1of1ForFork2_#t~post1| 10) 4294967296) .cse2)) (or .cse0 .cse1 (< (mod (+ c_thread1Thread1of1ForFork2_~i~0 9) 4294967296) .cse2)) (or (< (mod (+ 7 |c_thread1Thread1of1ForFork2_#t~post1|) 4294967296) .cse2) .cse0 .cse1) (or (< (mod (+ |c_thread1Thread1of1ForFork2_#t~post1| 6) 4294967296) .cse2) .cse0 .cse1) (or .cse0 .cse1 (< (mod (+ c_thread1Thread1of1ForFork2_~i~0 4) 4294967296) .cse2)) (or .cse0 .cse1 (< (mod (+ |c_thread1Thread1of1ForFork2_#t~post1| 4) 4294967296) .cse2)) (or .cse0 .cse1 (< (mod (+ |c_thread1Thread1of1ForFork2_#t~post1| 13) 4294967296) .cse2)) (or .cse0 .cse1 (< (mod (+ 7 c_thread1Thread1of1ForFork2_~i~0) 4294967296) .cse2)) (or .cse0 .cse1 (< (mod (+ c_thread1Thread1of1ForFork2_~i~0 11) 4294967296) .cse2)) (or .cse0 .cse1 (< (mod (+ |c_thread1Thread1of1ForFork2_#t~post1| 3) 4294967296) .cse2)) (or (< (mod (+ |c_thread1Thread1of1ForFork2_#t~post1| 12) 4294967296) .cse2) .cse0 .cse1) (or .cse0 .cse1 (< (mod (+ |c_thread1Thread1of1ForFork2_#t~post1| 11) 4294967296) .cse2)) (or .cse0 .cse1 (< (mod (+ |c_thread1Thread1of1ForFork2_#t~post1| 2) 4294967296) .cse2)) (or .cse0 .cse1 (< (mod c_thread1Thread1of1ForFork2_~i~0 4294967296) .cse2))))) is different from false [2024-05-03 04:48:16,341 WARN L293 SmtUtils]: Spent 16.68s on a formula simplification. DAG size of input: 86 DAG size of output: 87 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) Received shutdown request... [2024-05-03 04:49:56,250 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-03 04:49:56,256 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 [2024-05-03 04:49:56,277 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 [2024-05-03 04:49:57,266 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-05-03 04:49:57,267 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-05-03 04:49:57,418 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 355 states. [2024-05-03 04:49:57,419 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-03 04:49:57,419 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-05-03 04:49:57,419 WARN L619 AbstractCegarLoop]: Verification canceled: while PredicateUnifier was unifying predicates,while executing Executor. [2024-05-03 04:49:57,421 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-05-03 04:49:57,427 INFO L445 BasicCegarLoop]: Path program histogram: [4, 1, 1, 1] [2024-05-03 04:49:57,429 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was TIMEOUT (1/4) [2024-05-03 04:49:57,430 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-03 04:49:57,430 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-05-03 04:49:57,432 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.05 04:49:57 BasicIcfg [2024-05-03 04:49:57,432 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-03 04:49:57,432 INFO L158 Benchmark]: Toolchain (without parser) took 876741.51ms. Allocated memory was 376.4MB in the beginning and 814.7MB in the end (delta: 438.3MB). Free memory was 304.1MB in the beginning and 483.7MB in the end (delta: -179.7MB). Peak memory consumption was 259.4MB. Max. memory is 8.0GB. [2024-05-03 04:49:57,432 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 188.7MB. Free memory was 154.2MB in the beginning and 154.2MB in the end (delta: 93.6kB). There was no memory consumed. Max. memory is 8.0GB. [2024-05-03 04:49:57,433 INFO L158 Benchmark]: CACSL2BoogieTranslator took 262.81ms. Allocated memory is still 376.4MB. Free memory was 303.8MB in the beginning and 292.3MB in the end (delta: 11.6MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2024-05-03 04:49:57,433 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.53ms. Allocated memory is still 376.4MB. Free memory was 292.3MB in the beginning and 290.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-03 04:49:57,433 INFO L158 Benchmark]: Boogie Preprocessor took 30.95ms. Allocated memory is still 376.4MB. Free memory was 290.6MB in the beginning and 289.3MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-05-03 04:49:57,433 INFO L158 Benchmark]: RCFGBuilder took 370.88ms. Allocated memory is still 376.4MB. Free memory was 289.1MB in the beginning and 342.5MB in the end (delta: -53.4MB). Peak memory consumption was 19.8MB. Max. memory is 8.0GB. [2024-05-03 04:49:57,433 INFO L158 Benchmark]: TraceAbstraction took 876030.92ms. Allocated memory was 376.4MB in the beginning and 814.7MB in the end (delta: 438.3MB). Free memory was 341.1MB in the beginning and 483.7MB in the end (delta: -142.6MB). Peak memory consumption was 296.2MB. Max. memory is 8.0GB. [2024-05-03 04:49:57,434 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 188.7MB. Free memory was 154.2MB in the beginning and 154.2MB in the end (delta: 93.6kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 262.81ms. Allocated memory is still 376.4MB. Free memory was 303.8MB in the beginning and 292.3MB in the end (delta: 11.6MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 41.53ms. Allocated memory is still 376.4MB. Free memory was 292.3MB in the beginning and 290.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 30.95ms. Allocated memory is still 376.4MB. Free memory was 290.6MB in the beginning and 289.3MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 370.88ms. Allocated memory is still 376.4MB. Free memory was 289.1MB in the beginning and 342.5MB in the end (delta: -53.4MB). Peak memory consumption was 19.8MB. Max. memory is 8.0GB. * TraceAbstraction took 876030.92ms. Allocated memory was 376.4MB in the beginning and 814.7MB in the end (delta: 438.3MB). Free memory was 341.1MB in the beginning and 483.7MB in the end (delta: -142.6MB). Peak memory consumption was 296.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2801, independent: 2602, independent conditional: 2602, independent unconditional: 0, dependent: 199, dependent conditional: 199, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2602, independent: 2602, independent conditional: 2602, 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: 2602, independent: 2602, independent conditional: 2602, 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: 2602, independent: 2602, independent conditional: 0, independent unconditional: 2602, 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: 2602, independent: 2602, independent conditional: 0, independent unconditional: 2602, 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: 2602, independent: 2602, independent conditional: 0, independent unconditional: 2602, 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: 2602, independent: 2602, independent conditional: 0, independent unconditional: 2602, 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: 2602, independent: 2602, independent conditional: 0, independent unconditional: 2602, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2602, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 2602, unknown conditional: 0, unknown unconditional: 2602] , Statistics on independence cache: Total cache size (in pairs): 2602, Positive cache size: 2602, Positive conditional cache size: 0, Positive unconditional cache size: 2602, 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: 199 - StatisticsResult: Reduction benchmarks 28.9ms Time before loop, 745.3ms Time in loop, 0.8s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 51, Reduction States: 571, Duplicate States: 0, Protected Variables: 0 - StatisticsResult: Reduction benchmarks 16.9ms Time before loop, 311.7ms Time in loop, 0.3s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 51, Reduction States: 623, Duplicate States: 0, Protected Variables: 0 - StatisticsResult: Reduction benchmarks 28.9ms Time before loop, 107.1ms Time in loop, 0.1s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 18, Reduction States: 306, Duplicate States: 0, Protected Variables: 0 - StatisticsResult: Reduction benchmarks 22.1ms Time before loop, 271.7ms Time in loop, 0.3s Time in total, Has Loop: 1, wrong guesses: 1, overall guesses: 25, Reduction States: 480, Duplicate States: 26, Protected Variables: 4 - StatisticsResult: Reduction benchmarks 398.7ms Time before loop, 682.0ms Time in loop, 1.1s Time in total, Has Loop: 1, wrong guesses: 1, overall guesses: 7, Reduction States: 263, Duplicate States: 8, Protected Variables: 4 - StatisticsResult: Reduction benchmarks 1331.7ms Time before loop, 181.9ms Time in loop, 1.5s Time in total, Has Loop: 1, wrong guesses: 1, overall guesses: 7, Reduction States: 327, Duplicate States: 8, Protected Variables: 4 - StatisticsResult: Reduction benchmarks 40235.7ms Time before loop, 332.4ms Time in loop, 40.6s Time in total, Has Loop: 1, wrong guesses: 1, overall guesses: 7, Reduction States: 451, Duplicate States: 8, Protected Variables: 4 - StatisticsResult: Reduction benchmarks 809416.5ms Time before loop, 0.0ms Time in loop, 809.4s Time in total, Has Loop: 0, wrong guesses: 0, overall guesses: 0, Reduction States: 355, Duplicate States: 0, Protected Variables: 0 - StatisticsResult: Visitor Statistics States: 521, Transitions: 619, Traversal time: 0.8s - StatisticsResult: Visitor Statistics States: 521, Transitions: 620, Traversal time: 0.3s - StatisticsResult: Visitor Statistics States: 226, Transitions: 259, Traversal time: 0.1s - StatisticsResult: Visitor Statistics States: 390, Transitions: 464, Traversal time: 0.3s - StatisticsResult: Visitor Statistics States: 160, Transitions: 174, Traversal time: 1.1s - StatisticsResult: Visitor Statistics States: 180, Transitions: 194, Traversal time: 1.5s - StatisticsResult: Visitor Statistics States: 220, Transitions: 234, Traversal time: 40.6s - StatisticsResult: Visitor Statistics States: 133, Transitions: 133, Traversal time: 809.4s - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 21, RedundantProofs: 7, ProvenStates: 138, Times there's more than one choice: 85, Avg number of choices: 2.463768115942029 - TimeoutResultAtElement [Line: 80]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while PredicateUnifier was unifying predicates,while executing Executor. - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION with 1 thread instances CFG has 7 procedures, 136 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 875.9s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 4, EmptinessCheckTime: 854.1s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 284, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 19.4s InterpolantComputationTime, 1281 NumberOfCodeBlocks, 1281 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 1829 ConstructedInterpolants, 0 QuantifiedInterpolants, 14565 SizeOfPredicates, 134 NumberOfNonLiveVariables, 1254 ConjunctsInSsa, 206 ConjunctsInUnsatCore, 17 InterpolantComputations, 3 PerfectInterpolantSequences, 1/2094 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