/usr/bin/java -Xmx7000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --traceabstraction.prune.known.deadend.states.from.previous.iterations false -s ../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.cegar.restart.behaviour ONLY_ONE_CEGAR -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/parallel-misc-2.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.dynamic-abstractions-e2ee32c-m [2023-09-08 05:05:14,044 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-09-08 05:05:14,119 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2023-09-08 05:05:14,123 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-09-08 05:05:14,124 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-09-08 05:05:14,124 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-09-08 05:05:14,150 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-09-08 05:05:14,151 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-09-08 05:05:14,151 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-09-08 05:05:14,155 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-09-08 05:05:14,155 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-09-08 05:05:14,156 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-09-08 05:05:14,156 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-09-08 05:05:14,158 INFO L153 SettingsManager]: * Use SBE=true [2023-09-08 05:05:14,158 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-09-08 05:05:14,158 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-09-08 05:05:14,158 INFO L153 SettingsManager]: * sizeof long=4 [2023-09-08 05:05:14,158 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-09-08 05:05:14,159 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-09-08 05:05:14,159 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-09-08 05:05:14,159 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-09-08 05:05:14,159 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-09-08 05:05:14,159 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-09-08 05:05:14,160 INFO L153 SettingsManager]: * sizeof long double=12 [2023-09-08 05:05:14,160 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-09-08 05:05:14,160 INFO L153 SettingsManager]: * Use constant arrays=true [2023-09-08 05:05:14,161 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-09-08 05:05:14,161 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-09-08 05:05:14,161 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-09-08 05:05:14,161 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-09-08 05:05:14,162 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-08 05:05:14,162 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-09-08 05:05:14,162 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-09-08 05:05:14,163 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-09-08 05:05:14,163 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-09-08 05:05:14,163 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-09-08 05:05:14,163 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-09-08 05:05:14,163 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-09-08 05:05:14,163 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-09-08 05:05:14,163 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2023-09-08 05:05:14,163 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/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONLY_ONE_CEGAR [2023-09-08 05:05:14,381 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-09-08 05:05:14,397 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-09-08 05:05:14,399 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-09-08 05:05:14,400 INFO L270 PluginConnector]: Initializing CDTParser... [2023-09-08 05:05:14,401 INFO L274 PluginConnector]: CDTParser initialized [2023-09-08 05:05:14,402 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-misc-2.wvr.c [2023-09-08 05:05:15,541 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-09-08 05:05:15,748 INFO L384 CDTParser]: Found 1 translation units. [2023-09-08 05:05:15,749 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-misc-2.wvr.c [2023-09-08 05:05:15,756 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac3bf3832/f338393d2077425ebbe9927f2bdf7422/FLAG690087de3 [2023-09-08 05:05:15,772 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac3bf3832/f338393d2077425ebbe9927f2bdf7422 [2023-09-08 05:05:15,777 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-09-08 05:05:15,778 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-09-08 05:05:15,781 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-09-08 05:05:15,781 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-09-08 05:05:15,785 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-09-08 05:05:15,785 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 05:05:15" (1/1) ... [2023-09-08 05:05:15,786 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3874b1ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 05:05:15, skipping insertion in model container [2023-09-08 05:05:15,786 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 05:05:15" (1/1) ... [2023-09-08 05:05:15,809 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-09-08 05:05:15,955 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-misc-2.wvr.c[2554,2567] [2023-09-08 05:05:15,958 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-08 05:05:15,965 INFO L202 MainTranslator]: Completed pre-run [2023-09-08 05:05:15,980 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-misc-2.wvr.c[2554,2567] [2023-09-08 05:05:15,981 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-08 05:05:15,987 WARN L669 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-09-08 05:05:15,987 WARN L669 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-09-08 05:05:15,993 INFO L206 MainTranslator]: Completed translation [2023-09-08 05:05:15,993 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 05:05:15 WrapperNode [2023-09-08 05:05:15,993 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-09-08 05:05:15,994 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-09-08 05:05:15,994 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-09-08 05:05:15,994 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-09-08 05:05:16,000 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 05:05:15" (1/1) ... [2023-09-08 05:05:16,006 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 05:05:15" (1/1) ... [2023-09-08 05:05:16,020 INFO L138 Inliner]: procedures = 21, calls = 28, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 72 [2023-09-08 05:05:16,021 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-09-08 05:05:16,021 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-09-08 05:05:16,021 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-09-08 05:05:16,021 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-09-08 05:05:16,028 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 05:05:15" (1/1) ... [2023-09-08 05:05:16,028 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 05:05:15" (1/1) ... [2023-09-08 05:05:16,030 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 05:05:15" (1/1) ... [2023-09-08 05:05:16,030 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 05:05:15" (1/1) ... [2023-09-08 05:05:16,035 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 05:05:15" (1/1) ... [2023-09-08 05:05:16,037 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 05:05:15" (1/1) ... [2023-09-08 05:05:16,039 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 05:05:15" (1/1) ... [2023-09-08 05:05:16,040 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 05:05:15" (1/1) ... [2023-09-08 05:05:16,041 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-09-08 05:05:16,042 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-09-08 05:05:16,042 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-09-08 05:05:16,042 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-09-08 05:05:16,043 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 05:05:15" (1/1) ... [2023-09-08 05:05:16,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-08 05:05:16,059 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 05:05:16,071 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-09-08 05:05:16,076 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-09-08 05:05:16,098 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-09-08 05:05:16,098 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-09-08 05:05:16,099 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-09-08 05:05:16,099 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-09-08 05:05:16,099 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-09-08 05:05:16,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-09-08 05:05:16,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-09-08 05:05:16,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-09-08 05:05:16,099 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-09-08 05:05:16,099 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-09-08 05:05:16,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-09-08 05:05:16,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-09-08 05:05:16,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-09-08 05:05:16,100 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-09-08 05:05:16,101 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-09-08 05:05:16,172 INFO L236 CfgBuilder]: Building ICFG [2023-09-08 05:05:16,173 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-09-08 05:05:16,332 INFO L277 CfgBuilder]: Performing block encoding [2023-09-08 05:05:16,349 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-09-08 05:05:16,349 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-09-08 05:05:16,351 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 05:05:16 BoogieIcfgContainer [2023-09-08 05:05:16,351 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-09-08 05:05:16,353 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-09-08 05:05:16,353 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-09-08 05:05:16,355 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-09-08 05:05:16,355 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 05:05:15" (1/3) ... [2023-09-08 05:05:16,356 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f26c910 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 05:05:16, skipping insertion in model container [2023-09-08 05:05:16,356 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 05:05:15" (2/3) ... [2023-09-08 05:05:16,356 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f26c910 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 05:05:16, skipping insertion in model container [2023-09-08 05:05:16,357 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 05:05:16" (3/3) ... [2023-09-08 05:05:16,357 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-misc-2.wvr.c [2023-09-08 05:05:16,364 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-09-08 05:05:16,372 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-09-08 05:05:16,373 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-09-08 05:05:16,373 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-09-08 05:05:16,440 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-09-08 05:05:16,492 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 05:05:16,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-09-08 05:05:16,493 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 05:05:16,495 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-09-08 05:05:16,496 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-09-08 05:05:16,541 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-09-08 05:05:16,546 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-09-08 05:05:16,560 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;@7d8354ed, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 05:05:16,560 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-09-08 05:05:16,722 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-08 05:05:16,726 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 05:05:16,726 INFO L85 PathProgramCache]: Analyzing trace with hash 654327370, now seen corresponding path program 1 times [2023-09-08 05:05:16,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 05:05:16,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183714017] [2023-09-08 05:05:16,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 05:05:16,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 05:05:16,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 05:05:16,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 05:05:16,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 05:05:16,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183714017] [2023-09-08 05:05:16,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1183714017] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-08 05:05:16,969 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-08 05:05:16,969 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-09-08 05:05:16,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392852793] [2023-09-08 05:05:16,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-08 05:05:16,975 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-09-08 05:05:16,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 05:05:16,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-09-08 05:05:16,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-09-08 05:05:16,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:05:16,993 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 05:05:16,994 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 35.5) internal successors, (71), 2 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-08 05:05:16,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:05:17,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:05:17,028 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-09-08 05:05:17,029 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-08 05:05:17,029 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 05:05:17,029 INFO L85 PathProgramCache]: Analyzing trace with hash 2138338244, now seen corresponding path program 1 times [2023-09-08 05:05:17,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 05:05:17,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193956213] [2023-09-08 05:05:17,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 05:05:17,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 05:05:17,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 05:05:17,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 05:05:17,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 05:05:17,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [193956213] [2023-09-08 05:05:17,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [193956213] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-08 05:05:17,728 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-08 05:05:17,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-09-08 05:05:17,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008505532] [2023-09-08 05:05:17,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-08 05:05:17,730 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-09-08 05:05:17,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 05:05:17,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-09-08 05:05:17,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-09-08 05:05:17,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:05:17,733 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 05:05:17,733 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.625) internal successors, (69), 8 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-08 05:05:17,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:05:17,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:05:17,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:05:17,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-08 05:05:17,950 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-09-08 05:05:17,950 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-08 05:05:17,951 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 05:05:17,951 INFO L85 PathProgramCache]: Analyzing trace with hash -748356765, now seen corresponding path program 1 times [2023-09-08 05:05:17,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 05:05:17,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364534522] [2023-09-08 05:05:17,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 05:05:17,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 05:05:18,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 05:05:18,430 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 05:05:18,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 05:05:18,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364534522] [2023-09-08 05:05:18,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [364534522] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-08 05:05:18,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1726714427] [2023-09-08 05:05:18,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 05:05:18,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 05:05:18,432 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 05:05:18,471 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-08 05:05:18,472 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-09-08 05:05:18,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 05:05:18,555 INFO L262 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 7 conjunts are in the unsatisfiable core [2023-09-08 05:05:18,562 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-08 05:05:18,844 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 05:05:18,844 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-08 05:05:19,017 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 05:05:19,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1726714427] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-08 05:05:19,017 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-08 05:05:19,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 6] total 16 [2023-09-08 05:05:19,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888664420] [2023-09-08 05:05:19,018 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-08 05:05:19,018 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-09-08 05:05:19,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 05:05:19,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-09-08 05:05:19,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=189, Unknown=0, NotChecked=0, Total=240 [2023-09-08 05:05:19,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:05:19,020 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 05:05:19,021 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 8.625) internal successors, (138), 16 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-08 05:05:19,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:05:19,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-09-08 05:05:19,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:05:19,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:05:19,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-08 05:05:19,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-09-08 05:05:19,416 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-09-08 05:05:19,607 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2023-09-08 05:05:19,608 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-08 05:05:19,608 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 05:05:19,608 INFO L85 PathProgramCache]: Analyzing trace with hash -72253298, now seen corresponding path program 1 times [2023-09-08 05:05:19,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 05:05:19,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741451373] [2023-09-08 05:05:19,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 05:05:19,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 05:05:19,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 05:05:19,780 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-09-08 05:05:19,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 05:05:19,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [741451373] [2023-09-08 05:05:19,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [741451373] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-08 05:05:19,781 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-08 05:05:19,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-09-08 05:05:19,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802868955] [2023-09-08 05:05:19,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-08 05:05:19,782 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-09-08 05:05:19,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 05:05:19,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-09-08 05:05:19,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-09-08 05:05:19,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:05:19,783 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 05:05:19,784 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-08 05:05:19,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:05:19,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-09-08 05:05:19,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-09-08 05:05:19,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:05:19,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:05:19,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-08 05:05:19,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-09-08 05:05:19,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-08 05:05:19,819 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-09-08 05:05:19,819 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-08 05:05:19,819 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 05:05:19,819 INFO L85 PathProgramCache]: Analyzing trace with hash 404835887, now seen corresponding path program 1 times [2023-09-08 05:05:19,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 05:05:19,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609703581] [2023-09-08 05:05:19,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 05:05:19,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 05:05:19,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 05:05:20,306 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-09-08 05:05:20,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 05:05:20,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609703581] [2023-09-08 05:05:20,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [609703581] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-08 05:05:20,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1177422731] [2023-09-08 05:05:20,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 05:05:20,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 05:05:20,307 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 05:05:20,309 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-08 05:05:20,312 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-09-08 05:05:20,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 05:05:20,409 INFO L262 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 11 conjunts are in the unsatisfiable core [2023-09-08 05:05:20,412 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-08 05:05:20,787 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-09-08 05:05:20,787 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-08 05:05:21,124 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-09-08 05:05:21,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1177422731] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-08 05:05:21,125 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-08 05:05:21,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8, 8] total 24 [2023-09-08 05:05:21,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924862875] [2023-09-08 05:05:21,125 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-08 05:05:21,126 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-09-08 05:05:21,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 05:05:21,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-09-08 05:05:21,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=484, Unknown=0, NotChecked=0, Total=552 [2023-09-08 05:05:21,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:05:21,128 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 05:05:21,128 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 7.458333333333333) internal successors, (179), 24 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-08 05:05:21,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:05:21,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-09-08 05:05:21,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-09-08 05:05:21,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-09-08 05:05:21,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:05:22,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:05:22,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-08 05:05:22,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-09-08 05:05:22,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-08 05:05:22,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-09-08 05:05:22,108 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-09-08 05:05:22,305 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 05:05:22,306 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-08 05:05:22,306 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 05:05:22,307 INFO L85 PathProgramCache]: Analyzing trace with hash 244332515, now seen corresponding path program 2 times [2023-09-08 05:05:22,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 05:05:22,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934778247] [2023-09-08 05:05:22,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 05:05:22,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 05:05:22,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 05:05:22,548 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2023-09-08 05:05:22,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 05:05:22,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934778247] [2023-09-08 05:05:22,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [934778247] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-08 05:05:22,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-08 05:05:22,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-09-08 05:05:22,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589495614] [2023-09-08 05:05:22,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-08 05:05:22,552 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-09-08 05:05:22,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 05:05:22,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-09-08 05:05:22,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-09-08 05:05:22,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:05:22,553 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 05:05:22,556 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.0) internal successors, (92), 4 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-08 05:05:22,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:05:22,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-09-08 05:05:22,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-09-08 05:05:22,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-09-08 05:05:22,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-09-08 05:05:22,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:05:22,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:05:22,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-08 05:05:22,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-09-08 05:05:22,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-08 05:05:22,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-09-08 05:05:22,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-08 05:05:22,586 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-09-08 05:05:22,586 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-08 05:05:22,587 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 05:05:22,587 INFO L85 PathProgramCache]: Analyzing trace with hash -1288366385, now seen corresponding path program 1 times [2023-09-08 05:05:22,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 05:05:22,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506030204] [2023-09-08 05:05:22,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 05:05:22,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 05:05:22,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 05:05:23,479 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-09-08 05:05:23,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 05:05:23,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506030204] [2023-09-08 05:05:23,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506030204] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-08 05:05:23,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [69155824] [2023-09-08 05:05:23,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 05:05:23,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 05:05:23,480 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 05:05:23,485 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-08 05:05:23,509 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-09-08 05:05:24,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 05:05:24,017 INFO L262 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 29 conjunts are in the unsatisfiable core [2023-09-08 05:05:24,021 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-08 05:05:25,125 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 48 proven. 35 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-09-08 05:05:25,126 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-08 05:05:26,619 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 19 proven. 64 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-09-08 05:05:26,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [69155824] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-08 05:05:26,621 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-08 05:05:26,621 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 18, 18] total 49 [2023-09-08 05:05:26,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821479202] [2023-09-08 05:05:26,624 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-08 05:05:26,625 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2023-09-08 05:05:26,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 05:05:26,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2023-09-08 05:05:26,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=198, Invalid=2154, Unknown=0, NotChecked=0, Total=2352 [2023-09-08 05:05:26,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:05:26,628 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 05:05:26,628 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 5.36734693877551) internal successors, (263), 49 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-08 05:05:26,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:05:26,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-09-08 05:05:26,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-09-08 05:05:26,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-09-08 05:05:26,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-09-08 05:05:26,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-09-08 05:05:26,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:05:35,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:05:35,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-08 05:05:35,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-09-08 05:05:35,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-08 05:05:35,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-09-08 05:05:35,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-08 05:05:35,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-09-08 05:05:35,893 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-09-08 05:05:36,084 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 05:05:36,085 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-08 05:05:36,085 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 05:05:36,085 INFO L85 PathProgramCache]: Analyzing trace with hash -2023569553, now seen corresponding path program 2 times [2023-09-08 05:05:36,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 05:05:36,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721594411] [2023-09-08 05:05:36,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 05:05:36,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 05:05:36,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 05:05:37,433 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 142 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2023-09-08 05:05:37,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 05:05:37,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721594411] [2023-09-08 05:05:37,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [721594411] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-08 05:05:37,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1282378672] [2023-09-08 05:05:37,433 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-09-08 05:05:37,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 05:05:37,434 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 05:05:37,437 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-08 05:05:37,440 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-09-08 05:05:38,636 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-09-08 05:05:38,636 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-08 05:05:38,638 INFO L262 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 54 conjunts are in the unsatisfiable core [2023-09-08 05:05:38,642 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-08 05:05:40,968 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 211 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 05:05:40,968 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-08 05:05:48,603 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 32 proven. 179 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 05:05:48,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1282378672] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-08 05:05:48,603 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-08 05:05:48,603 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 30, 31] total 78 [2023-09-08 05:05:48,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873025685] [2023-09-08 05:05:48,604 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-08 05:05:48,604 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 78 states [2023-09-08 05:05:48,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 05:05:48,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 78 interpolants. [2023-09-08 05:05:48,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=651, Invalid=5355, Unknown=0, NotChecked=0, Total=6006 [2023-09-08 05:05:48,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:05:48,608 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 05:05:48,608 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 78 states, 78 states have (on average 4.397435897435898) internal successors, (343), 78 states have internal predecessors, (343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-08 05:05:48,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:05:48,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-09-08 05:05:48,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-09-08 05:05:48,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-09-08 05:05:48,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-09-08 05:05:48,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-09-08 05:05:48,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2023-09-08 05:05:48,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:07:20,124 WARN L234 SmtUtils]: Spent 1.21m on a formula simplification. DAG size of input: 142 DAG size of output: 106 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-09-08 05:07:46,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:07:46,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-08 05:07:46,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-09-08 05:07:46,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-08 05:07:46,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-09-08 05:07:46,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-08 05:07:46,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-09-08 05:07:46,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2023-09-08 05:07:46,477 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-09-08 05:07:46,671 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 05:07:46,672 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-08 05:07:46,672 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 05:07:46,672 INFO L85 PathProgramCache]: Analyzing trace with hash -1320623281, now seen corresponding path program 3 times [2023-09-08 05:07:46,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 05:07:46,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417502359] [2023-09-08 05:07:46,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 05:07:46,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 05:07:46,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 05:07:49,946 INFO L134 CoverageAnalysis]: Checked inductivity of 607 backedges. 68 proven. 539 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 05:07:49,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 05:07:49,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417502359] [2023-09-08 05:07:49,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [417502359] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-08 05:07:49,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [281015817] [2023-09-08 05:07:49,947 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-09-08 05:07:49,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 05:07:49,947 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 05:07:49,948 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-08 05:07:49,950 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-09-08 05:07:52,857 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2023-09-08 05:07:52,857 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-08 05:07:52,860 INFO L262 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 45 conjunts are in the unsatisfiable core [2023-09-08 05:07:52,864 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-08 05:07:54,903 INFO L134 CoverageAnalysis]: Checked inductivity of 607 backedges. 0 proven. 241 refuted. 0 times theorem prover too weak. 366 trivial. 0 not checked. [2023-09-08 05:07:54,903 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-08 05:08:00,149 INFO L134 CoverageAnalysis]: Checked inductivity of 607 backedges. 0 proven. 241 refuted. 0 times theorem prover too weak. 366 trivial. 0 not checked. [2023-09-08 05:08:00,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [281015817] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-08 05:08:00,149 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-08 05:08:00,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [46, 26, 25] total 93 [2023-09-08 05:08:00,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117621049] [2023-09-08 05:08:00,150 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-08 05:08:00,150 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 93 states [2023-09-08 05:08:00,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 05:08:00,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 93 interpolants. [2023-09-08 05:08:00,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=438, Invalid=8118, Unknown=0, NotChecked=0, Total=8556 [2023-09-08 05:08:00,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:08:00,154 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 05:08:00,154 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 93 states, 93 states have (on average 4.075268817204301) internal successors, (379), 93 states have internal predecessors, (379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-08 05:08:00,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:08:00,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-09-08 05:08:00,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-09-08 05:08:00,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-09-08 05:08:00,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-09-08 05:08:00,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-09-08 05:08:00,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2023-09-08 05:08:00,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2023-09-08 05:08:00,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:09:28,136 WARN L234 SmtUtils]: Spent 23.67s on a formula simplification. DAG size of input: 88 DAG size of output: 61 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-09-08 05:10:28,398 WARN L234 SmtUtils]: Spent 27.55s on a formula simplification. DAG size of input: 97 DAG size of output: 70 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-09-08 05:11:34,959 WARN L234 SmtUtils]: Spent 5.74s on a formula simplification. DAG size of input: 102 DAG size of output: 51 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-09-08 05:12:15,756 WARN L234 SmtUtils]: Spent 10.41s on a formula simplification. DAG size of input: 111 DAG size of output: 60 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-09-08 05:13:09,587 WARN L234 SmtUtils]: Spent 14.80s on a formula simplification. DAG size of input: 102 DAG size of output: 52 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-09-08 05:14:30,053 WARN L234 SmtUtils]: Spent 35.55s on a formula simplification. DAG size of input: 111 DAG size of output: 68 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-09-08 05:15:57,974 WARN L234 SmtUtils]: Spent 40.17s on a formula simplification. DAG size of input: 96 DAG size of output: 64 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-09-08 05:16:56,730 WARN L234 SmtUtils]: Spent 23.79s on a formula simplification. DAG size of input: 105 DAG size of output: 67 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-09-08 05:17:27,219 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-09-08 05:17:35,774 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-09-08 05:17:49,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:17:49,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-08 05:17:49,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-09-08 05:17:49,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-08 05:17:49,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-09-08 05:17:49,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-08 05:17:49,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2023-09-08 05:17:49,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2023-09-08 05:17:49,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2023-09-08 05:17:49,852 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-09-08 05:17:50,046 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 05:17:50,046 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-08 05:17:50,047 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 05:17:50,047 INFO L85 PathProgramCache]: Analyzing trace with hash 238144910, now seen corresponding path program 4 times [2023-09-08 05:17:50,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 05:17:50,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068149091] [2023-09-08 05:17:50,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 05:17:50,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 05:17:50,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 05:17:53,075 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 66 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 05:17:53,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 05:17:53,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2068149091] [2023-09-08 05:17:53,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2068149091] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-08 05:17:53,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1780704240] [2023-09-08 05:17:53,076 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-09-08 05:17:53,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 05:17:53,076 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 05:17:53,077 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-08 05:17:53,079 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-09-08 05:18:09,589 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-09-08 05:18:09,589 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-08 05:18:09,595 INFO L262 TraceCheckSpWp]: Trace formula consists of 396 conjuncts, 97 conjunts are in the unsatisfiable core [2023-09-08 05:18:09,599 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-08 05:18:15,638 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 66 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 05:18:15,638 INFO L327 TraceCheckSpWp]: Computing backward predicates... Received shutdown request... [2023-09-08 05:19:34,508 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-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 [2023-09-08 05:19:34,509 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-09-08 05:19:34,509 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-09-08 05:19:35,524 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2023-09-08 05:19:35,538 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2023-09-08 05:19:35,543 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-09-08 05:19:35,546 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 [2023-09-08 05:19:35,725 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 05:19:35,725 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 217 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while executing Executor. [2023-09-08 05:19:35,726 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2023-09-08 05:19:35,726 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2023-09-08 05:19:35,729 INFO L445 BasicCegarLoop]: Path program histogram: [4, 2, 1, 1, 1, 1] [2023-09-08 05:19:35,731 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-09-08 05:19:35,731 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-09-08 05:19:35,733 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.09 05:19:35 BasicIcfg [2023-09-08 05:19:35,733 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-09-08 05:19:35,733 INFO L158 Benchmark]: Toolchain (without parser) took 859955.28ms. Allocated memory was 161.5MB in the beginning and 275.8MB in the end (delta: 114.3MB). Free memory was 112.6MB in the beginning and 219.3MB in the end (delta: -106.7MB). Peak memory consumption was 165.0MB. Max. memory is 7.0GB. [2023-09-08 05:19:35,734 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 161.5MB. Free memory is still 114.5MB. There was no memory consumed. Max. memory is 7.0GB. [2023-09-08 05:19:35,734 INFO L158 Benchmark]: CACSL2BoogieTranslator took 212.98ms. Allocated memory is still 161.5MB. Free memory was 112.2MB in the beginning and 101.3MB in the end (delta: 11.0MB). Peak memory consumption was 11.5MB. Max. memory is 7.0GB. [2023-09-08 05:19:35,734 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.45ms. Allocated memory is still 161.5MB. Free memory was 101.3MB in the beginning and 99.6MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 7.0GB. [2023-09-08 05:19:35,735 INFO L158 Benchmark]: Boogie Preprocessor took 20.18ms. Allocated memory is still 161.5MB. Free memory was 99.6MB in the beginning and 98.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. [2023-09-08 05:19:35,735 INFO L158 Benchmark]: RCFGBuilder took 309.00ms. Allocated memory is still 161.5MB. Free memory was 98.2MB in the beginning and 83.9MB in the end (delta: 14.3MB). Peak memory consumption was 13.6MB. Max. memory is 7.0GB. [2023-09-08 05:19:35,736 INFO L158 Benchmark]: TraceAbstraction took 859380.26ms. Allocated memory was 161.5MB in the beginning and 275.8MB in the end (delta: 114.3MB). Free memory was 83.2MB in the beginning and 219.3MB in the end (delta: -136.1MB). Peak memory consumption was 135.6MB. Max. memory is 7.0GB. [2023-09-08 05:19:35,737 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 161.5MB. Free memory is still 114.5MB. There was no memory consumed. Max. memory is 7.0GB. * CACSL2BoogieTranslator took 212.98ms. Allocated memory is still 161.5MB. Free memory was 112.2MB in the beginning and 101.3MB in the end (delta: 11.0MB). Peak memory consumption was 11.5MB. Max. memory is 7.0GB. * Boogie Procedure Inliner took 26.45ms. Allocated memory is still 161.5MB. Free memory was 101.3MB in the beginning and 99.6MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 7.0GB. * Boogie Preprocessor took 20.18ms. Allocated memory is still 161.5MB. Free memory was 99.6MB in the beginning and 98.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. * RCFGBuilder took 309.00ms. Allocated memory is still 161.5MB. Free memory was 98.2MB in the beginning and 83.9MB in the end (delta: 14.3MB). Peak memory consumption was 13.6MB. Max. memory is 7.0GB. * TraceAbstraction took 859380.26ms. Allocated memory was 161.5MB in the beginning and 275.8MB in the end (delta: 114.3MB). Free memory was 83.2MB in the beginning and 219.3MB in the end (delta: -136.1MB). Peak memory consumption was 135.6MB. Max. memory is 7.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 9044, independent: 6029, independent conditional: 6029, independent unconditional: 0, dependent: 3015, dependent conditional: 3015, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6029, independent: 6029, independent conditional: 6029, 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: 6029, independent: 6029, independent conditional: 6029, 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: 6029, independent: 6029, independent conditional: 0, independent unconditional: 6029, 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: 6029, independent: 6029, independent conditional: 0, independent unconditional: 6029, 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: 6029, independent: 6029, independent conditional: 0, independent unconditional: 6029, 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: 194, independent: 194, independent conditional: 0, independent unconditional: 194, 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: 194, independent: 190, independent conditional: 0, independent unconditional: 190, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 4, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 4, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 64, independent: 64, independent conditional: 0, independent unconditional: 64, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 6029, independent: 5835, independent conditional: 0, independent unconditional: 5835, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 194, unknown conditional: 0, unknown unconditional: 194] , Statistics on independence cache: Total cache size (in pairs): 194, Positive cache size: 194, Positive conditional cache size: 0, Positive unconditional cache size: 194, 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: 3015 - TimeoutResultAtElement [Line: 99]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 217 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while executing Executor. - TimeoutResultAtElement [Line: 94]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 217 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while executing Executor. - TimeoutResultAtElement [Line: 93]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 217 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while executing Executor. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 120 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 859.2s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 4, EmptinessCheckTime: 718.6s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 301, 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, 5.1s SatisfiabilityAnalysisTime, 28.2s InterpolantComputationTime, 1668 NumberOfCodeBlocks, 1654 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 2309 ConstructedInterpolants, 0 QuantifiedInterpolants, 21530 SizeOfPredicates, 99 NumberOfNonLiveVariables, 1265 ConjunctsInSsa, 146 ConjunctsInUnsatCore, 19 InterpolantComputations, 4 PerfectInterpolantSequences, 1133/2887 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