/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-VariableLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true -i ../../../trunk/examples/svcomp/weaver/bench-exp2x6.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-ac9dbd0-m [2023-08-25 04:35:15,881 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-08-25 04:35:15,965 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-VariableLbe.epf [2023-08-25 04:35:15,970 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-08-25 04:35:15,970 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-08-25 04:35:15,999 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-25 04:35:16,000 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-25 04:35:16,000 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-25 04:35:16,001 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-25 04:35:16,004 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-08-25 04:35:16,004 INFO L153 SettingsManager]: * Use SBE=true [2023-08-25 04:35:16,005 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-25 04:35:16,005 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-25 04:35:16,006 INFO L153 SettingsManager]: * sizeof long=4 [2023-08-25 04:35:16,006 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-25 04:35:16,006 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-08-25 04:35:16,007 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-08-25 04:35:16,007 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-25 04:35:16,007 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-25 04:35:16,007 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-25 04:35:16,008 INFO L153 SettingsManager]: * sizeof long double=12 [2023-08-25 04:35:16,008 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-08-25 04:35:16,009 INFO L153 SettingsManager]: * Use constant arrays=true [2023-08-25 04:35:16,009 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-25 04:35:16,009 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-25 04:35:16,009 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-08-25 04:35:16,010 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-25 04:35:16,010 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 04:35:16,010 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-25 04:35:16,010 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-25 04:35:16,011 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-25 04:35:16,011 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-25 04:35:16,011 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-25 04:35:16,012 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-25 04:35:16,012 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-25 04:35:16,012 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true [2023-08-25 04:35:16,279 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-25 04:35:16,299 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-25 04:35:16,301 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-25 04:35:16,302 INFO L270 PluginConnector]: Initializing CDTParser... [2023-08-25 04:35:16,303 INFO L274 PluginConnector]: CDTParser initialized [2023-08-25 04:35:16,304 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/bench-exp2x6.wvr.c [2023-08-25 04:35:17,456 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-08-25 04:35:17,672 INFO L384 CDTParser]: Found 1 translation units. [2023-08-25 04:35:17,673 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/bench-exp2x6.wvr.c [2023-08-25 04:35:17,678 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e19f524f/1c624fe8e1c74ffbaec1a137aa9b5f74/FLAG961dcde24 [2023-08-25 04:35:17,688 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e19f524f/1c624fe8e1c74ffbaec1a137aa9b5f74 [2023-08-25 04:35:17,690 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-25 04:35:17,691 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-08-25 04:35:17,692 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-25 04:35:17,692 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-25 04:35:17,694 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-25 04:35:17,695 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 04:35:17" (1/1) ... [2023-08-25 04:35:17,696 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cada3b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:35:17, skipping insertion in model container [2023-08-25 04:35:17,696 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 04:35:17" (1/1) ... [2023-08-25 04:35:17,713 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-08-25 04:35:17,880 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 04:35:17,890 INFO L201 MainTranslator]: Completed pre-run [2023-08-25 04:35:17,935 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 04:35:17,945 INFO L206 MainTranslator]: Completed translation [2023-08-25 04:35:17,945 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:35:17 WrapperNode [2023-08-25 04:35:17,945 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-25 04:35:17,946 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-25 04:35:17,946 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-25 04:35:17,946 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-25 04:35:17,951 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:35:17" (1/1) ... [2023-08-25 04:35:17,959 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:35:17" (1/1) ... [2023-08-25 04:35:17,980 INFO L138 Inliner]: procedures = 20, calls = 33, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 174 [2023-08-25 04:35:17,980 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-25 04:35:17,981 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-25 04:35:17,981 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-25 04:35:17,981 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-08-25 04:35:17,988 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:35:17" (1/1) ... [2023-08-25 04:35:17,988 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:35:17" (1/1) ... [2023-08-25 04:35:17,992 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:35:17" (1/1) ... [2023-08-25 04:35:17,993 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:35:17" (1/1) ... [2023-08-25 04:35:18,002 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:35:17" (1/1) ... [2023-08-25 04:35:18,005 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:35:17" (1/1) ... [2023-08-25 04:35:18,006 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:35:17" (1/1) ... [2023-08-25 04:35:18,007 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:35:17" (1/1) ... [2023-08-25 04:35:18,010 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-25 04:35:18,011 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-25 04:35:18,011 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-08-25 04:35:18,011 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-08-25 04:35:18,011 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:35:17" (1/1) ... [2023-08-25 04:35:18,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 04:35:18,026 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-25 04:35:18,037 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) [2023-08-25 04:35:18,051 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 [2023-08-25 04:35:18,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-25 04:35:18,074 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-25 04:35:18,074 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-25 04:35:18,074 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-25 04:35:18,074 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-25 04:35:18,075 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-08-25 04:35:18,075 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-08-25 04:35:18,075 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-08-25 04:35:18,075 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-08-25 04:35:18,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-25 04:35:18,075 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-25 04:35:18,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-25 04:35:18,075 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-25 04:35:18,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-25 04:35:18,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-25 04:35:18,076 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-25 04:35:18,077 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-25 04:35:18,165 INFO L236 CfgBuilder]: Building ICFG [2023-08-25 04:35:18,166 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-25 04:35:18,616 INFO L277 CfgBuilder]: Performing block encoding [2023-08-25 04:35:18,632 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-25 04:35:18,632 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-08-25 04:35:18,635 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 04:35:18 BoogieIcfgContainer [2023-08-25 04:35:18,635 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-25 04:35:18,638 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-25 04:35:18,638 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-08-25 04:35:18,640 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-08-25 04:35:18,641 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.08 04:35:17" (1/3) ... [2023-08-25 04:35:18,641 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36c7b919 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 04:35:18, skipping insertion in model container [2023-08-25 04:35:18,641 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:35:17" (2/3) ... [2023-08-25 04:35:18,642 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36c7b919 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 04:35:18, skipping insertion in model container [2023-08-25 04:35:18,642 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 04:35:18" (3/3) ... [2023-08-25 04:35:18,643 INFO L112 eAbstractionObserver]: Analyzing ICFG bench-exp2x6.wvr.c [2023-08-25 04:35:18,657 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-25 04:35:18,658 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 76 error locations. [2023-08-25 04:35:18,658 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-25 04:35:18,782 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2023-08-25 04:35:18,815 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 434 places, 435 transitions, 902 flow [2023-08-25 04:35:18,987 INFO L124 PetriNetUnfolderBase]: 14/431 cut-off events. [2023-08-25 04:35:18,988 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2023-08-25 04:35:19,005 INFO L83 FinitePrefix]: Finished finitePrefix Result has 448 conditions, 431 events. 14/431 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 1155 event pairs, 0 based on Foata normal form. 0/341 useless extension candidates. Maximal degree in co-relation 301. Up to 2 conditions per place. [2023-08-25 04:35:19,006 INFO L82 GeneralOperation]: Start removeDead. Operand has 434 places, 435 transitions, 902 flow [2023-08-25 04:35:19,015 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 417 places, 418 transitions, 860 flow [2023-08-25 04:35:19,018 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-25 04:35:19,024 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 417 places, 418 transitions, 860 flow [2023-08-25 04:35:19,026 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 417 places, 418 transitions, 860 flow [2023-08-25 04:35:19,027 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 417 places, 418 transitions, 860 flow [2023-08-25 04:35:19,106 INFO L124 PetriNetUnfolderBase]: 14/418 cut-off events. [2023-08-25 04:35:19,107 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2023-08-25 04:35:19,112 INFO L83 FinitePrefix]: Finished finitePrefix Result has 435 conditions, 418 events. 14/418 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 1152 event pairs, 0 based on Foata normal form. 0/329 useless extension candidates. Maximal degree in co-relation 301. Up to 2 conditions per place. [2023-08-25 04:35:19,166 INFO L119 LiptonReduction]: Number of co-enabled transitions 56640 [2023-08-25 04:35:28,305 INFO L134 LiptonReduction]: Checked pairs total: 87143 [2023-08-25 04:35:28,306 INFO L136 LiptonReduction]: Total number of compositions: 609 [2023-08-25 04:35:28,323 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-25 04:35:28,328 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=false, mAutomataTypeConcurrency=PETRI_NET, 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;@3458b4a5, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-25 04:35:28,328 INFO L358 AbstractCegarLoop]: Starting to check reachability of 136 error locations. [2023-08-25 04:35:28,329 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-25 04:35:28,329 INFO L124 PetriNetUnfolderBase]: 0/0 cut-off events. [2023-08-25 04:35:28,329 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 04:35:28,329 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 04:35:28,329 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-25 04:35:28,330 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 132 more)] === [2023-08-25 04:35:28,333 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 04:35:28,333 INFO L85 PathProgramCache]: Analyzing trace with hash 1738, now seen corresponding path program 1 times [2023-08-25 04:35:28,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 04:35:28,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282410808] [2023-08-25 04:35:28,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 04:35:28,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 04:35:28,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 04:35:28,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 04:35:28,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 04:35:28,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282410808] [2023-08-25 04:35:28,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [282410808] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 04:35:28,408 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 04:35:28,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-25 04:35:28,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006137508] [2023-08-25 04:35:28,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 04:35:28,416 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-25 04:35:28,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 04:35:28,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-25 04:35:28,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-25 04:35:28,437 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 420 out of 1044 [2023-08-25 04:35:28,441 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 113 places, 108 transitions, 240 flow. Second operand has 2 states, 2 states have (on average 420.5) internal successors, (841), 2 states have internal predecessors, (841), 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) [2023-08-25 04:35:28,442 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 04:35:28,442 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 420 of 1044 [2023-08-25 04:35:28,442 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 04:35:28,596 INFO L124 PetriNetUnfolderBase]: 976/1364 cut-off events. [2023-08-25 04:35:28,596 INFO L125 PetriNetUnfolderBase]: For 89/89 co-relation queries the response was YES. [2023-08-25 04:35:28,598 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2787 conditions, 1364 events. 976/1364 cut-off events. For 89/89 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 4396 event pairs, 624 based on Foata normal form. 0/1012 useless extension candidates. Maximal degree in co-relation 2167. Up to 1298 conditions per place. [2023-08-25 04:35:28,605 INFO L140 encePairwiseOnDemand]: 969/1044 looper letters, 29 selfloop transitions, 0 changer transitions 0/33 dead transitions. [2023-08-25 04:35:28,605 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 33 transitions, 148 flow [2023-08-25 04:35:28,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-25 04:35:28,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-25 04:35:28,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 944 transitions. [2023-08-25 04:35:28,623 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4521072796934866 [2023-08-25 04:35:28,624 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 944 transitions. [2023-08-25 04:35:28,624 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 944 transitions. [2023-08-25 04:35:28,627 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 04:35:28,630 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 944 transitions. [2023-08-25 04:35:28,635 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 472.0) internal successors, (944), 2 states have internal predecessors, (944), 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) [2023-08-25 04:35:28,643 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 1044.0) internal successors, (3132), 3 states have internal predecessors, (3132), 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) [2023-08-25 04:35:28,644 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 1044.0) internal successors, (3132), 3 states have internal predecessors, (3132), 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) [2023-08-25 04:35:28,646 INFO L175 Difference]: Start difference. First operand has 113 places, 108 transitions, 240 flow. Second operand 2 states and 944 transitions. [2023-08-25 04:35:28,647 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 33 transitions, 148 flow [2023-08-25 04:35:28,651 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 33 transitions, 132 flow, removed 0 selfloop flow, removed 8 redundant places. [2023-08-25 04:35:28,653 INFO L231 Difference]: Finished difference. Result has 35 places, 33 transitions, 74 flow [2023-08-25 04:35:28,654 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1044, PETRI_DIFFERENCE_MINUEND_FLOW=74, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=74, PETRI_PLACES=35, PETRI_TRANSITIONS=33} [2023-08-25 04:35:28,658 INFO L281 CegarLoopForPetriNet]: 113 programPoint places, -78 predicate places. [2023-08-25 04:35:28,658 INFO L495 AbstractCegarLoop]: Abstraction has has 35 places, 33 transitions, 74 flow [2023-08-25 04:35:28,659 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 420.5) internal successors, (841), 2 states have internal predecessors, (841), 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) [2023-08-25 04:35:28,659 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 04:35:28,659 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2023-08-25 04:35:28,659 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-25 04:35:28,660 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 132 more)] === [2023-08-25 04:35:28,660 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 04:35:28,660 INFO L85 PathProgramCache]: Analyzing trace with hash 54815252, now seen corresponding path program 1 times [2023-08-25 04:35:28,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 04:35:28,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017861387] [2023-08-25 04:35:28,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 04:35:28,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 04:35:28,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 04:35:28,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 04:35:28,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 04:35:28,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017861387] [2023-08-25 04:35:28,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1017861387] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 04:35:28,813 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 04:35:28,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-25 04:35:28,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622689957] [2023-08-25 04:35:28,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 04:35:28,815 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-25 04:35:28,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 04:35:28,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-25 04:35:28,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-25 04:35:28,817 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 405 out of 1044 [2023-08-25 04:35:28,819 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 33 transitions, 74 flow. Second operand has 3 states, 3 states have (on average 406.3333333333333) internal successors, (1219), 3 states have internal predecessors, (1219), 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) [2023-08-25 04:35:28,819 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 04:35:28,819 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 405 of 1044 [2023-08-25 04:35:28,819 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 04:35:28,958 INFO L124 PetriNetUnfolderBase]: 995/1324 cut-off events. [2023-08-25 04:35:28,958 INFO L125 PetriNetUnfolderBase]: For 26/26 co-relation queries the response was YES. [2023-08-25 04:35:28,959 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2694 conditions, 1324 events. 995/1324 cut-off events. For 26/26 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 3841 event pairs, 376 based on Foata normal form. 0/972 useless extension candidates. Maximal degree in co-relation 2691. Up to 1315 conditions per place. [2023-08-25 04:35:28,964 INFO L140 encePairwiseOnDemand]: 1036/1044 looper letters, 36 selfloop transitions, 4 changer transitions 0/40 dead transitions. [2023-08-25 04:35:28,964 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 40 transitions, 171 flow [2023-08-25 04:35:28,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-25 04:35:28,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-25 04:35:28,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1259 transitions. [2023-08-25 04:35:28,968 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.40197956577266925 [2023-08-25 04:35:28,969 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1259 transitions. [2023-08-25 04:35:28,969 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1259 transitions. [2023-08-25 04:35:28,970 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 04:35:28,970 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1259 transitions. [2023-08-25 04:35:28,973 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 419.6666666666667) internal successors, (1259), 3 states have internal predecessors, (1259), 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) [2023-08-25 04:35:28,978 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1044.0) internal successors, (4176), 4 states have internal predecessors, (4176), 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) [2023-08-25 04:35:28,980 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1044.0) internal successors, (4176), 4 states have internal predecessors, (4176), 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) [2023-08-25 04:35:28,980 INFO L175 Difference]: Start difference. First operand has 35 places, 33 transitions, 74 flow. Second operand 3 states and 1259 transitions. [2023-08-25 04:35:28,980 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 40 transitions, 171 flow [2023-08-25 04:35:28,981 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 40 transitions, 171 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-25 04:35:28,981 INFO L231 Difference]: Finished difference. Result has 34 places, 33 transitions, 94 flow [2023-08-25 04:35:28,982 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1044, PETRI_DIFFERENCE_MINUEND_FLOW=66, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=94, PETRI_PLACES=34, PETRI_TRANSITIONS=33} [2023-08-25 04:35:28,983 INFO L281 CegarLoopForPetriNet]: 113 programPoint places, -79 predicate places. [2023-08-25 04:35:28,983 INFO L495 AbstractCegarLoop]: Abstraction has has 34 places, 33 transitions, 94 flow [2023-08-25 04:35:28,984 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 406.3333333333333) internal successors, (1219), 3 states have internal predecessors, (1219), 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) [2023-08-25 04:35:28,984 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 04:35:28,985 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 04:35:28,985 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-25 04:35:28,987 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 132 more)] === [2023-08-25 04:35:28,990 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 04:35:28,990 INFO L85 PathProgramCache]: Analyzing trace with hash 1520651748, now seen corresponding path program 1 times [2023-08-25 04:35:28,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 04:35:28,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386731348] [2023-08-25 04:35:28,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 04:35:28,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 04:35:29,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 04:35:29,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 04:35:29,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 04:35:29,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386731348] [2023-08-25 04:35:29,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [386731348] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 04:35:29,339 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 04:35:29,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-25 04:35:29,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681110266] [2023-08-25 04:35:29,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 04:35:29,340 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-25 04:35:29,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 04:35:29,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-25 04:35:29,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-25 04:35:29,342 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 382 out of 1044 [2023-08-25 04:35:29,344 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 34 places, 33 transitions, 94 flow. Second operand has 3 states, 3 states have (on average 390.3333333333333) internal successors, (1171), 3 states have internal predecessors, (1171), 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) [2023-08-25 04:35:29,344 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 04:35:29,344 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 382 of 1044 [2023-08-25 04:35:29,344 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 04:35:29,589 INFO L124 PetriNetUnfolderBase]: 1951/2591 cut-off events. [2023-08-25 04:35:29,589 INFO L125 PetriNetUnfolderBase]: For 469/469 co-relation queries the response was YES. [2023-08-25 04:35:29,592 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5989 conditions, 2591 events. 1951/2591 cut-off events. For 469/469 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 8841 event pairs, 528 based on Foata normal form. 1/1888 useless extension candidates. Maximal degree in co-relation 5985. Up to 1648 conditions per place. [2023-08-25 04:35:29,601 INFO L140 encePairwiseOnDemand]: 1038/1044 looper letters, 53 selfloop transitions, 5 changer transitions 1/59 dead transitions. [2023-08-25 04:35:29,601 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 59 transitions, 279 flow [2023-08-25 04:35:29,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-25 04:35:29,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-25 04:35:29,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1202 transitions. [2023-08-25 04:35:29,605 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3837803320561941 [2023-08-25 04:35:29,605 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1202 transitions. [2023-08-25 04:35:29,605 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1202 transitions. [2023-08-25 04:35:29,606 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 04:35:29,606 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1202 transitions. [2023-08-25 04:35:29,608 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 400.6666666666667) internal successors, (1202), 3 states have internal predecessors, (1202), 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) [2023-08-25 04:35:29,614 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1044.0) internal successors, (4176), 4 states have internal predecessors, (4176), 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) [2023-08-25 04:35:29,615 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1044.0) internal successors, (4176), 4 states have internal predecessors, (4176), 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) [2023-08-25 04:35:29,616 INFO L175 Difference]: Start difference. First operand has 34 places, 33 transitions, 94 flow. Second operand 3 states and 1202 transitions. [2023-08-25 04:35:29,616 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 59 transitions, 279 flow [2023-08-25 04:35:29,617 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 59 transitions, 279 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-25 04:35:29,617 INFO L231 Difference]: Finished difference. Result has 37 places, 37 transitions, 127 flow [2023-08-25 04:35:29,618 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1044, PETRI_DIFFERENCE_MINUEND_FLOW=94, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=127, PETRI_PLACES=37, PETRI_TRANSITIONS=37} [2023-08-25 04:35:29,618 INFO L281 CegarLoopForPetriNet]: 113 programPoint places, -76 predicate places. [2023-08-25 04:35:29,618 INFO L495 AbstractCegarLoop]: Abstraction has has 37 places, 37 transitions, 127 flow [2023-08-25 04:35:29,619 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 390.3333333333333) internal successors, (1171), 3 states have internal predecessors, (1171), 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) [2023-08-25 04:35:29,619 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 04:35:29,619 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 04:35:29,620 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-25 04:35:29,620 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 132 more)] === [2023-08-25 04:35:29,620 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 04:35:29,620 INFO L85 PathProgramCache]: Analyzing trace with hash 449239694, now seen corresponding path program 1 times [2023-08-25 04:35:29,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 04:35:29,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280623650] [2023-08-25 04:35:29,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 04:35:29,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 04:35:29,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 04:35:29,726 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 04:35:29,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 04:35:29,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280623650] [2023-08-25 04:35:29,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [280623650] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 04:35:29,727 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 04:35:29,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-25 04:35:29,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552777758] [2023-08-25 04:35:29,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 04:35:29,727 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-25 04:35:29,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 04:35:29,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-25 04:35:29,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-08-25 04:35:29,731 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 395 out of 1044 [2023-08-25 04:35:29,732 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 37 transitions, 127 flow. Second operand has 4 states, 4 states have (on average 401.75) internal successors, (1607), 4 states have internal predecessors, (1607), 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) [2023-08-25 04:35:29,733 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 04:35:29,733 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 395 of 1044 [2023-08-25 04:35:29,733 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 04:35:30,114 INFO L124 PetriNetUnfolderBase]: 2834/3770 cut-off events. [2023-08-25 04:35:30,115 INFO L125 PetriNetUnfolderBase]: For 1693/1693 co-relation queries the response was YES. [2023-08-25 04:35:30,119 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10035 conditions, 3770 events. 2834/3770 cut-off events. For 1693/1693 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 14250 event pairs, 307 based on Foata normal form. 50/3820 useless extension candidates. Maximal degree in co-relation 10029. Up to 1515 conditions per place. [2023-08-25 04:35:30,136 INFO L140 encePairwiseOnDemand]: 1039/1044 looper letters, 91 selfloop transitions, 10 changer transitions 0/101 dead transitions. [2023-08-25 04:35:30,136 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 101 transitions, 523 flow [2023-08-25 04:35:30,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-25 04:35:30,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-25 04:35:30,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2066 transitions. [2023-08-25 04:35:30,142 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.39578544061302684 [2023-08-25 04:35:30,142 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 2066 transitions. [2023-08-25 04:35:30,142 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 2066 transitions. [2023-08-25 04:35:30,143 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 04:35:30,143 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 2066 transitions. [2023-08-25 04:35:30,147 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 413.2) internal successors, (2066), 5 states have internal predecessors, (2066), 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) [2023-08-25 04:35:30,155 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 1044.0) internal successors, (6264), 6 states have internal predecessors, (6264), 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) [2023-08-25 04:35:30,158 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 1044.0) internal successors, (6264), 6 states have internal predecessors, (6264), 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) [2023-08-25 04:35:30,158 INFO L175 Difference]: Start difference. First operand has 37 places, 37 transitions, 127 flow. Second operand 5 states and 2066 transitions. [2023-08-25 04:35:30,159 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 101 transitions, 523 flow [2023-08-25 04:35:30,162 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 101 transitions, 515 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-25 04:35:30,165 INFO L231 Difference]: Finished difference. Result has 42 places, 44 transitions, 187 flow [2023-08-25 04:35:30,166 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1044, PETRI_DIFFERENCE_MINUEND_FLOW=122, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=187, PETRI_PLACES=42, PETRI_TRANSITIONS=44} [2023-08-25 04:35:30,167 INFO L281 CegarLoopForPetriNet]: 113 programPoint places, -71 predicate places. [2023-08-25 04:35:30,167 INFO L495 AbstractCegarLoop]: Abstraction has has 42 places, 44 transitions, 187 flow [2023-08-25 04:35:30,168 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 401.75) internal successors, (1607), 4 states have internal predecessors, (1607), 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) [2023-08-25 04:35:30,168 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 04:35:30,168 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 04:35:30,169 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-25 04:35:30,169 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 132 more)] === [2023-08-25 04:35:30,169 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 04:35:30,169 INFO L85 PathProgramCache]: Analyzing trace with hash 1830303956, now seen corresponding path program 2 times [2023-08-25 04:35:30,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 04:35:30,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326910859] [2023-08-25 04:35:30,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 04:35:30,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 04:35:30,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 04:35:30,295 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 04:35:30,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 04:35:30,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326910859] [2023-08-25 04:35:30,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1326910859] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-25 04:35:30,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [783380046] [2023-08-25 04:35:30,296 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-08-25 04:35:30,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-25 04:35:30,297 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-25 04:35:30,303 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-08-25 04:35:30,305 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-08-25 04:35:30,441 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-08-25 04:35:30,441 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-08-25 04:35:30,443 INFO L262 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 3 conjunts are in the unsatisfiable core [2023-08-25 04:35:30,447 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-08-25 04:35:30,605 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 04:35:30,605 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-08-25 04:35:30,694 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 04:35:30,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [783380046] provided 0 perfect and 2 imperfect interpolant sequences [2023-08-25 04:35:30,695 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-08-25 04:35:30,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 3 [2023-08-25 04:35:30,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176820703] [2023-08-25 04:35:30,695 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-08-25 04:35:30,695 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-25 04:35:30,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 04:35:30,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-25 04:35:30,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-08-25 04:35:30,698 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 395 out of 1044 [2023-08-25 04:35:30,700 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 44 transitions, 187 flow. Second operand has 4 states, 4 states have (on average 401.75) internal successors, (1607), 4 states have internal predecessors, (1607), 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) [2023-08-25 04:35:30,700 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 04:35:30,700 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 395 of 1044 [2023-08-25 04:35:30,700 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 04:35:31,118 INFO L124 PetriNetUnfolderBase]: 3452/4580 cut-off events. [2023-08-25 04:35:31,119 INFO L125 PetriNetUnfolderBase]: For 4113/4113 co-relation queries the response was YES. [2023-08-25 04:35:31,125 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13860 conditions, 4580 events. 3452/4580 cut-off events. For 4113/4113 co-relation queries the response was YES. Maximal size of possible extension queue 155. Compared 17532 event pairs, 1073 based on Foata normal form. 96/4676 useless extension candidates. Maximal degree in co-relation 13852. Up to 2187 conditions per place. [2023-08-25 04:35:31,148 INFO L140 encePairwiseOnDemand]: 1039/1044 looper letters, 91 selfloop transitions, 10 changer transitions 0/101 dead transitions. [2023-08-25 04:35:31,148 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 101 transitions, 574 flow [2023-08-25 04:35:31,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-25 04:35:31,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-25 04:35:31,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2066 transitions. [2023-08-25 04:35:31,153 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.39578544061302684 [2023-08-25 04:35:31,153 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 2066 transitions. [2023-08-25 04:35:31,154 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 2066 transitions. [2023-08-25 04:35:31,154 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 04:35:31,155 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 2066 transitions. [2023-08-25 04:35:31,159 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 413.2) internal successors, (2066), 5 states have internal predecessors, (2066), 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) [2023-08-25 04:35:31,167 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 1044.0) internal successors, (6264), 6 states have internal predecessors, (6264), 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) [2023-08-25 04:35:31,169 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 1044.0) internal successors, (6264), 6 states have internal predecessors, (6264), 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) [2023-08-25 04:35:31,169 INFO L175 Difference]: Start difference. First operand has 42 places, 44 transitions, 187 flow. Second operand 5 states and 2066 transitions. [2023-08-25 04:35:31,169 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 101 transitions, 574 flow [2023-08-25 04:35:31,179 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 101 transitions, 574 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-25 04:35:31,180 INFO L231 Difference]: Finished difference. Result has 48 places, 47 transitions, 241 flow [2023-08-25 04:35:31,180 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1044, PETRI_DIFFERENCE_MINUEND_FLOW=187, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=241, PETRI_PLACES=48, PETRI_TRANSITIONS=47} [2023-08-25 04:35:31,181 INFO L281 CegarLoopForPetriNet]: 113 programPoint places, -65 predicate places. [2023-08-25 04:35:31,181 INFO L495 AbstractCegarLoop]: Abstraction has has 48 places, 47 transitions, 241 flow [2023-08-25 04:35:31,182 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 401.75) internal successors, (1607), 4 states have internal predecessors, (1607), 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) [2023-08-25 04:35:31,182 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 04:35:31,182 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 04:35:31,193 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-08-25 04:35:31,389 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-25 04:35:31,389 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 132 more)] === [2023-08-25 04:35:31,389 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 04:35:31,389 INFO L85 PathProgramCache]: Analyzing trace with hash -2075397129, now seen corresponding path program 1 times [2023-08-25 04:35:31,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 04:35:31,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733629027] [2023-08-25 04:35:31,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 04:35:31,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 04:35:31,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 04:35:31,528 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 04:35:31,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 04:35:31,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733629027] [2023-08-25 04:35:31,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1733629027] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 04:35:31,529 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 04:35:31,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-25 04:35:31,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10581810] [2023-08-25 04:35:31,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 04:35:31,530 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-25 04:35:31,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 04:35:31,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-25 04:35:31,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-08-25 04:35:31,532 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 395 out of 1044 [2023-08-25 04:35:31,533 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 47 transitions, 241 flow. Second operand has 4 states, 4 states have (on average 401.75) internal successors, (1607), 4 states have internal predecessors, (1607), 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) [2023-08-25 04:35:31,533 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 04:35:31,533 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 395 of 1044 [2023-08-25 04:35:31,533 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 04:35:31,967 INFO L124 PetriNetUnfolderBase]: 3366/4494 cut-off events. [2023-08-25 04:35:31,967 INFO L125 PetriNetUnfolderBase]: For 6849/6849 co-relation queries the response was YES. [2023-08-25 04:35:31,974 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14474 conditions, 4494 events. 3366/4494 cut-off events. For 6849/6849 co-relation queries the response was YES. Maximal size of possible extension queue 154. Compared 17935 event pairs, 325 based on Foata normal form. 86/4580 useless extension candidates. Maximal degree in co-relation 14463. Up to 1835 conditions per place. [2023-08-25 04:35:31,997 INFO L140 encePairwiseOnDemand]: 1039/1044 looper letters, 94 selfloop transitions, 8 changer transitions 0/102 dead transitions. [2023-08-25 04:35:31,998 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 102 transitions, 610 flow [2023-08-25 04:35:31,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-25 04:35:31,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-25 04:35:32,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2065 transitions. [2023-08-25 04:35:32,003 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3955938697318008 [2023-08-25 04:35:32,003 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 2065 transitions. [2023-08-25 04:35:32,003 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 2065 transitions. [2023-08-25 04:35:32,004 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 04:35:32,004 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 2065 transitions. [2023-08-25 04:35:32,008 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 413.0) internal successors, (2065), 5 states have internal predecessors, (2065), 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) [2023-08-25 04:35:32,015 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 1044.0) internal successors, (6264), 6 states have internal predecessors, (6264), 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) [2023-08-25 04:35:32,016 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 1044.0) internal successors, (6264), 6 states have internal predecessors, (6264), 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) [2023-08-25 04:35:32,018 INFO L175 Difference]: Start difference. First operand has 48 places, 47 transitions, 241 flow. Second operand 5 states and 2065 transitions. [2023-08-25 04:35:32,019 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 102 transitions, 610 flow [2023-08-25 04:35:32,036 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 102 transitions, 601 flow, removed 2 selfloop flow, removed 1 redundant places. [2023-08-25 04:35:32,038 INFO L231 Difference]: Finished difference. Result has 52 places, 46 transitions, 246 flow [2023-08-25 04:35:32,038 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1044, PETRI_DIFFERENCE_MINUEND_FLOW=214, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=246, PETRI_PLACES=52, PETRI_TRANSITIONS=46} [2023-08-25 04:35:32,040 INFO L281 CegarLoopForPetriNet]: 113 programPoint places, -61 predicate places. [2023-08-25 04:35:32,040 INFO L495 AbstractCegarLoop]: Abstraction has has 52 places, 46 transitions, 246 flow [2023-08-25 04:35:32,041 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 401.75) internal successors, (1607), 4 states have internal predecessors, (1607), 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) [2023-08-25 04:35:32,041 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 04:35:32,042 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 04:35:32,042 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-25 04:35:32,042 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 132 more)] === [2023-08-25 04:35:32,042 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 04:35:32,042 INFO L85 PathProgramCache]: Analyzing trace with hash -1224514975, now seen corresponding path program 1 times [2023-08-25 04:35:32,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 04:35:32,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834053649] [2023-08-25 04:35:32,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 04:35:32,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 04:35:32,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 04:35:32,135 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 04:35:32,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 04:35:32,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834053649] [2023-08-25 04:35:32,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1834053649] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-25 04:35:32,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1571843697] [2023-08-25 04:35:32,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 04:35:32,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-25 04:35:32,136 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-25 04:35:32,137 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) [2023-08-25 04:35:32,160 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-08-25 04:35:32,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 04:35:32,261 INFO L262 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 3 conjunts are in the unsatisfiable core [2023-08-25 04:35:32,263 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-08-25 04:35:32,334 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 04:35:32,334 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-08-25 04:35:32,400 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 04:35:32,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1571843697] provided 0 perfect and 2 imperfect interpolant sequences [2023-08-25 04:35:32,400 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-08-25 04:35:32,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 3 [2023-08-25 04:35:32,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354089533] [2023-08-25 04:35:32,401 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-08-25 04:35:32,401 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-25 04:35:32,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 04:35:32,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-25 04:35:32,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-08-25 04:35:32,404 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 395 out of 1044 [2023-08-25 04:35:32,405 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 46 transitions, 246 flow. Second operand has 4 states, 4 states have (on average 401.75) internal successors, (1607), 4 states have internal predecessors, (1607), 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) [2023-08-25 04:35:32,406 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 04:35:32,406 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 395 of 1044 [2023-08-25 04:35:32,406 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 04:35:33,167 INFO L124 PetriNetUnfolderBase]: 6659/8891 cut-off events. [2023-08-25 04:35:33,168 INFO L125 PetriNetUnfolderBase]: For 18009/18009 co-relation queries the response was YES. [2023-08-25 04:35:33,180 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29948 conditions, 8891 events. 6659/8891 cut-off events. For 18009/18009 co-relation queries the response was YES. Maximal size of possible extension queue 308. Compared 38149 event pairs, 1515 based on Foata normal form. 208/9099 useless extension candidates. Maximal degree in co-relation 29936. Up to 3019 conditions per place. [2023-08-25 04:35:33,217 INFO L140 encePairwiseOnDemand]: 1039/1044 looper letters, 121 selfloop transitions, 8 changer transitions 0/129 dead transitions. [2023-08-25 04:35:33,218 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 129 transitions, 963 flow [2023-08-25 04:35:33,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-25 04:35:33,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-25 04:35:33,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2064 transitions. [2023-08-25 04:35:33,224 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3954022988505747 [2023-08-25 04:35:33,224 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 2064 transitions. [2023-08-25 04:35:33,224 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 2064 transitions. [2023-08-25 04:35:33,225 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 04:35:33,226 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 2064 transitions. [2023-08-25 04:35:33,230 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 412.8) internal successors, (2064), 5 states have internal predecessors, (2064), 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) [2023-08-25 04:35:33,237 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 1044.0) internal successors, (6264), 6 states have internal predecessors, (6264), 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) [2023-08-25 04:35:33,238 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 1044.0) internal successors, (6264), 6 states have internal predecessors, (6264), 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) [2023-08-25 04:35:33,238 INFO L175 Difference]: Start difference. First operand has 52 places, 46 transitions, 246 flow. Second operand 5 states and 2064 transitions. [2023-08-25 04:35:33,238 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 129 transitions, 963 flow [2023-08-25 04:35:33,246 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 129 transitions, 938 flow, removed 4 selfloop flow, removed 1 redundant places. [2023-08-25 04:35:33,247 INFO L231 Difference]: Finished difference. Result has 58 places, 51 transitions, 292 flow [2023-08-25 04:35:33,247 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1044, PETRI_DIFFERENCE_MINUEND_FLOW=237, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=292, PETRI_PLACES=58, PETRI_TRANSITIONS=51} [2023-08-25 04:35:33,248 INFO L281 CegarLoopForPetriNet]: 113 programPoint places, -55 predicate places. [2023-08-25 04:35:33,248 INFO L495 AbstractCegarLoop]: Abstraction has has 58 places, 51 transitions, 292 flow [2023-08-25 04:35:33,249 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 401.75) internal successors, (1607), 4 states have internal predecessors, (1607), 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) [2023-08-25 04:35:33,249 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 04:35:33,249 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 04:35:33,255 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-08-25 04:35:33,455 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,SelfDestructingSolverStorable6 [2023-08-25 04:35:33,455 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 132 more)] === [2023-08-25 04:35:33,455 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 04:35:33,456 INFO L85 PathProgramCache]: Analyzing trace with hash -964274147, now seen corresponding path program 1 times [2023-08-25 04:35:33,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 04:35:33,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626589520] [2023-08-25 04:35:33,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 04:35:33,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 04:35:33,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 04:35:33,545 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 04:35:33,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 04:35:33,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [626589520] [2023-08-25 04:35:33,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [626589520] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 04:35:33,545 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 04:35:33,545 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-25 04:35:33,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004080226] [2023-08-25 04:35:33,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 04:35:33,547 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-25 04:35:33,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 04:35:33,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-25 04:35:33,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-08-25 04:35:33,550 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 395 out of 1044 [2023-08-25 04:35:33,551 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 51 transitions, 292 flow. Second operand has 4 states, 4 states have (on average 401.75) internal successors, (1607), 4 states have internal predecessors, (1607), 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) [2023-08-25 04:35:33,551 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 04:35:33,551 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 395 of 1044 [2023-08-25 04:35:33,551 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 04:35:34,391 INFO L124 PetriNetUnfolderBase]: 6587/8819 cut-off events. [2023-08-25 04:35:34,391 INFO L125 PetriNetUnfolderBase]: For 19248/19248 co-relation queries the response was YES. [2023-08-25 04:35:34,408 INFO L83 FinitePrefix]: Finished finitePrefix Result has 33262 conditions, 8819 events. 6587/8819 cut-off events. For 19248/19248 co-relation queries the response was YES. Maximal size of possible extension queue 307. Compared 38192 event pairs, 739 based on Foata normal form. 72/8891 useless extension candidates. Maximal degree in co-relation 33246. Up to 4349 conditions per place. [2023-08-25 04:35:34,444 INFO L140 encePairwiseOnDemand]: 1039/1044 looper letters, 123 selfloop transitions, 10 changer transitions 0/133 dead transitions. [2023-08-25 04:35:34,445 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 133 transitions, 1020 flow [2023-08-25 04:35:34,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-25 04:35:34,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-25 04:35:34,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2062 transitions. [2023-08-25 04:35:34,450 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.39501915708812263 [2023-08-25 04:35:34,450 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 2062 transitions. [2023-08-25 04:35:34,451 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 2062 transitions. [2023-08-25 04:35:34,451 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 04:35:34,452 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 2062 transitions. [2023-08-25 04:35:34,455 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 412.4) internal successors, (2062), 5 states have internal predecessors, (2062), 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) [2023-08-25 04:35:34,460 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 1044.0) internal successors, (6264), 6 states have internal predecessors, (6264), 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) [2023-08-25 04:35:34,461 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 1044.0) internal successors, (6264), 6 states have internal predecessors, (6264), 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) [2023-08-25 04:35:34,461 INFO L175 Difference]: Start difference. First operand has 58 places, 51 transitions, 292 flow. Second operand 5 states and 2062 transitions. [2023-08-25 04:35:34,461 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 133 transitions, 1020 flow [2023-08-25 04:35:34,496 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 133 transitions, 1020 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-25 04:35:34,497 INFO L231 Difference]: Finished difference. Result has 63 places, 56 transitions, 355 flow [2023-08-25 04:35:34,498 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1044, PETRI_DIFFERENCE_MINUEND_FLOW=292, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=355, PETRI_PLACES=63, PETRI_TRANSITIONS=56} [2023-08-25 04:35:34,500 INFO L281 CegarLoopForPetriNet]: 113 programPoint places, -50 predicate places. [2023-08-25 04:35:34,500 INFO L495 AbstractCegarLoop]: Abstraction has has 63 places, 56 transitions, 355 flow [2023-08-25 04:35:34,500 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 401.75) internal successors, (1607), 4 states have internal predecessors, (1607), 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) [2023-08-25 04:35:34,500 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 04:35:34,500 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 04:35:34,500 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-25 04:35:34,501 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 132 more)] === [2023-08-25 04:35:34,501 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 04:35:34,501 INFO L85 PathProgramCache]: Analyzing trace with hash -1464296647, now seen corresponding path program 2 times [2023-08-25 04:35:34,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 04:35:34,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388355184] [2023-08-25 04:35:34,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 04:35:34,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 04:35:34,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 04:35:34,612 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 04:35:34,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 04:35:34,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1388355184] [2023-08-25 04:35:34,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1388355184] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-25 04:35:34,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1083548358] [2023-08-25 04:35:34,612 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-08-25 04:35:34,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-25 04:35:34,613 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-25 04:35:34,614 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) [2023-08-25 04:35:34,616 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-08-25 04:35:34,750 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-08-25 04:35:34,751 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-08-25 04:35:34,752 INFO L262 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 3 conjunts are in the unsatisfiable core [2023-08-25 04:35:34,753 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-08-25 04:35:34,820 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 04:35:34,821 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-08-25 04:35:34,890 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 04:35:34,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1083548358] provided 0 perfect and 2 imperfect interpolant sequences [2023-08-25 04:35:34,890 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-08-25 04:35:34,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 3 [2023-08-25 04:35:34,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780868896] [2023-08-25 04:35:34,891 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-08-25 04:35:34,891 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-25 04:35:34,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 04:35:34,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-25 04:35:34,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-08-25 04:35:34,894 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 395 out of 1044 [2023-08-25 04:35:34,895 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 56 transitions, 355 flow. Second operand has 4 states, 4 states have (on average 401.75) internal successors, (1607), 4 states have internal predecessors, (1607), 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) [2023-08-25 04:35:34,895 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 04:35:34,895 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 395 of 1044 [2023-08-25 04:35:34,895 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 04:35:35,752 INFO L124 PetriNetUnfolderBase]: 7895/10535 cut-off events. [2023-08-25 04:35:35,752 INFO L125 PetriNetUnfolderBase]: For 25342/25342 co-relation queries the response was YES. [2023-08-25 04:35:35,773 INFO L83 FinitePrefix]: Finished finitePrefix Result has 41681 conditions, 10535 events. 7895/10535 cut-off events. For 25342/25342 co-relation queries the response was YES. Maximal size of possible extension queue 329. Compared 45865 event pairs, 1663 based on Foata normal form. 204/10739 useless extension candidates. Maximal degree in co-relation 41663. Up to 6017 conditions per place. [2023-08-25 04:35:35,829 INFO L140 encePairwiseOnDemand]: 1039/1044 looper letters, 120 selfloop transitions, 10 changer transitions 0/130 dead transitions. [2023-08-25 04:35:35,829 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 130 transitions, 1047 flow [2023-08-25 04:35:35,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-25 04:35:35,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-25 04:35:35,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2058 transitions. [2023-08-25 04:35:35,835 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.39425287356321836 [2023-08-25 04:35:35,835 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 2058 transitions. [2023-08-25 04:35:35,835 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 2058 transitions. [2023-08-25 04:35:35,836 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 04:35:35,836 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 2058 transitions. [2023-08-25 04:35:35,839 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 411.6) internal successors, (2058), 5 states have internal predecessors, (2058), 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) [2023-08-25 04:35:35,845 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 1044.0) internal successors, (6264), 6 states have internal predecessors, (6264), 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) [2023-08-25 04:35:35,846 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 1044.0) internal successors, (6264), 6 states have internal predecessors, (6264), 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) [2023-08-25 04:35:35,846 INFO L175 Difference]: Start difference. First operand has 63 places, 56 transitions, 355 flow. Second operand 5 states and 2058 transitions. [2023-08-25 04:35:35,847 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 130 transitions, 1047 flow [2023-08-25 04:35:35,897 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 130 transitions, 1032 flow, removed 4 selfloop flow, removed 1 redundant places. [2023-08-25 04:35:35,899 INFO L231 Difference]: Finished difference. Result has 68 places, 59 transitions, 394 flow [2023-08-25 04:35:35,899 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1044, PETRI_DIFFERENCE_MINUEND_FLOW=340, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=56, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=394, PETRI_PLACES=68, PETRI_TRANSITIONS=59} [2023-08-25 04:35:35,900 INFO L281 CegarLoopForPetriNet]: 113 programPoint places, -45 predicate places. [2023-08-25 04:35:35,900 INFO L495 AbstractCegarLoop]: Abstraction has has 68 places, 59 transitions, 394 flow [2023-08-25 04:35:35,901 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 401.75) internal successors, (1607), 4 states have internal predecessors, (1607), 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) [2023-08-25 04:35:35,901 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 04:35:35,901 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 04:35:35,911 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-08-25 04:35:36,107 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-25 04:35:36,107 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 132 more)] === [2023-08-25 04:35:36,108 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 04:35:36,108 INFO L85 PathProgramCache]: Analyzing trace with hash 1743857027, now seen corresponding path program 2 times [2023-08-25 04:35:36,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 04:35:36,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432405846] [2023-08-25 04:35:36,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 04:35:36,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 04:35:36,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 04:35:36,201 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 04:35:36,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 04:35:36,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432405846] [2023-08-25 04:35:36,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1432405846] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 04:35:36,201 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 04:35:36,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-25 04:35:36,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163119233] [2023-08-25 04:35:36,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 04:35:36,202 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-25 04:35:36,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 04:35:36,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-25 04:35:36,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-08-25 04:35:36,204 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 395 out of 1044 [2023-08-25 04:35:36,205 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 59 transitions, 394 flow. Second operand has 4 states, 4 states have (on average 401.75) internal successors, (1607), 4 states have internal predecessors, (1607), 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) [2023-08-25 04:35:36,205 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 04:35:36,205 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 395 of 1044 [2023-08-25 04:35:36,205 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 04:35:36,924 INFO L124 PetriNetUnfolderBase]: 7377/9805 cut-off events. [2023-08-25 04:35:36,924 INFO L125 PetriNetUnfolderBase]: For 27145/27145 co-relation queries the response was YES. [2023-08-25 04:35:36,946 INFO L83 FinitePrefix]: Finished finitePrefix Result has 40394 conditions, 9805 events. 7377/9805 cut-off events. For 27145/27145 co-relation queries the response was YES. Maximal size of possible extension queue 300. Compared 42015 event pairs, 883 based on Foata normal form. 68/9873 useless extension candidates. Maximal degree in co-relation 40373. Up to 5273 conditions per place. [2023-08-25 04:35:36,982 INFO L140 encePairwiseOnDemand]: 1039/1044 looper letters, 120 selfloop transitions, 9 changer transitions 4/133 dead transitions. [2023-08-25 04:35:36,982 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 133 transitions, 1074 flow [2023-08-25 04:35:36,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-25 04:35:36,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-25 04:35:36,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2061 transitions. [2023-08-25 04:35:36,988 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.39482758620689656 [2023-08-25 04:35:36,988 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 2061 transitions. [2023-08-25 04:35:36,988 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 2061 transitions. [2023-08-25 04:35:36,989 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 04:35:36,989 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 2061 transitions. [2023-08-25 04:35:36,992 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 412.2) internal successors, (2061), 5 states have internal predecessors, (2061), 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) [2023-08-25 04:35:36,998 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 1044.0) internal successors, (6264), 6 states have internal predecessors, (6264), 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) [2023-08-25 04:35:36,998 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 1044.0) internal successors, (6264), 6 states have internal predecessors, (6264), 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) [2023-08-25 04:35:36,998 INFO L175 Difference]: Start difference. First operand has 68 places, 59 transitions, 394 flow. Second operand 5 states and 2061 transitions. [2023-08-25 04:35:36,999 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 133 transitions, 1074 flow [2023-08-25 04:35:37,199 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 133 transitions, 1054 flow, removed 5 selfloop flow, removed 2 redundant places. [2023-08-25 04:35:37,203 INFO L231 Difference]: Finished difference. Result has 71 places, 58 transitions, 389 flow [2023-08-25 04:35:37,203 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1044, PETRI_DIFFERENCE_MINUEND_FLOW=352, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=57, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=389, PETRI_PLACES=71, PETRI_TRANSITIONS=58} [2023-08-25 04:35:37,204 INFO L281 CegarLoopForPetriNet]: 113 programPoint places, -42 predicate places. [2023-08-25 04:35:37,204 INFO L495 AbstractCegarLoop]: Abstraction has has 71 places, 58 transitions, 389 flow [2023-08-25 04:35:37,205 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 401.75) internal successors, (1607), 4 states have internal predecessors, (1607), 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) [2023-08-25 04:35:37,205 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 04:35:37,205 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 04:35:37,205 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-08-25 04:35:37,205 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 132 more)] === [2023-08-25 04:35:37,205 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 04:35:37,205 INFO L85 PathProgramCache]: Analyzing trace with hash -2061815219, now seen corresponding path program 2 times [2023-08-25 04:35:37,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 04:35:37,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409098717] [2023-08-25 04:35:37,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 04:35:37,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 04:35:37,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 04:35:37,308 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 04:35:37,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 04:35:37,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [409098717] [2023-08-25 04:35:37,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [409098717] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-25 04:35:37,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1434526217] [2023-08-25 04:35:37,309 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-08-25 04:35:37,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-25 04:35:37,309 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-25 04:35:37,310 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) [2023-08-25 04:35:37,313 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-08-25 04:35:37,515 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-08-25 04:35:37,516 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-08-25 04:35:37,517 INFO L262 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 3 conjunts are in the unsatisfiable core [2023-08-25 04:35:37,519 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-08-25 04:35:37,572 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 04:35:37,572 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-08-25 04:35:37,626 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 04:35:37,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1434526217] provided 0 perfect and 2 imperfect interpolant sequences [2023-08-25 04:35:37,626 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-08-25 04:35:37,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 3 [2023-08-25 04:35:37,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491303355] [2023-08-25 04:35:37,626 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-08-25 04:35:37,627 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-25 04:35:37,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 04:35:37,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-25 04:35:37,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-08-25 04:35:37,630 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 395 out of 1044 [2023-08-25 04:35:37,631 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 58 transitions, 389 flow. Second operand has 4 states, 4 states have (on average 401.75) internal successors, (1607), 4 states have internal predecessors, (1607), 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) [2023-08-25 04:35:37,631 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 04:35:37,631 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 395 of 1044 [2023-08-25 04:35:37,631 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 04:35:38,556 INFO L124 PetriNetUnfolderBase]: 8853/11725 cut-off events. [2023-08-25 04:35:38,556 INFO L125 PetriNetUnfolderBase]: For 35127/35127 co-relation queries the response was YES. [2023-08-25 04:35:38,581 INFO L83 FinitePrefix]: Finished finitePrefix Result has 48913 conditions, 11725 events. 8853/11725 cut-off events. For 35127/35127 co-relation queries the response was YES. Maximal size of possible extension queue 339. Compared 50962 event pairs, 3073 based on Foata normal form. 222/11947 useless extension candidates. Maximal degree in co-relation 48892. Up to 6575 conditions per place. [2023-08-25 04:35:38,618 INFO L140 encePairwiseOnDemand]: 1039/1044 looper letters, 136 selfloop transitions, 8 changer transitions 0/144 dead transitions. [2023-08-25 04:35:38,618 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 144 transitions, 1209 flow [2023-08-25 04:35:38,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-25 04:35:38,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-25 04:35:38,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2062 transitions. [2023-08-25 04:35:38,624 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.39501915708812263 [2023-08-25 04:35:38,624 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 2062 transitions. [2023-08-25 04:35:38,624 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 2062 transitions. [2023-08-25 04:35:38,625 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 04:35:38,625 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 2062 transitions. [2023-08-25 04:35:38,629 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 412.4) internal successors, (2062), 5 states have internal predecessors, (2062), 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) [2023-08-25 04:35:38,634 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 1044.0) internal successors, (6264), 6 states have internal predecessors, (6264), 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) [2023-08-25 04:35:38,635 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 1044.0) internal successors, (6264), 6 states have internal predecessors, (6264), 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) [2023-08-25 04:35:38,635 INFO L175 Difference]: Start difference. First operand has 71 places, 58 transitions, 389 flow. Second operand 5 states and 2062 transitions. [2023-08-25 04:35:38,635 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 144 transitions, 1209 flow [2023-08-25 04:35:38,688 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 144 transitions, 1176 flow, removed 8 selfloop flow, removed 1 redundant places. [2023-08-25 04:35:38,690 INFO L231 Difference]: Finished difference. Result has 76 places, 61 transitions, 435 flow [2023-08-25 04:35:38,690 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1044, PETRI_DIFFERENCE_MINUEND_FLOW=378, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=435, PETRI_PLACES=76, PETRI_TRANSITIONS=61} [2023-08-25 04:35:38,691 INFO L281 CegarLoopForPetriNet]: 113 programPoint places, -37 predicate places. [2023-08-25 04:35:38,691 INFO L495 AbstractCegarLoop]: Abstraction has has 76 places, 61 transitions, 435 flow [2023-08-25 04:35:38,691 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 401.75) internal successors, (1607), 4 states have internal predecessors, (1607), 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) [2023-08-25 04:35:38,691 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 04:35:38,691 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 04:35:38,700 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-08-25 04:35:38,898 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-25 04:35:38,898 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 132 more)] === [2023-08-25 04:35:38,898 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 04:35:38,898 INFO L85 PathProgramCache]: Analyzing trace with hash -2002647460, now seen corresponding path program 1 times [2023-08-25 04:35:38,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 04:35:38,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532064862] [2023-08-25 04:35:38,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 04:35:38,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 04:35:38,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 04:35:39,445 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 04:35:39,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 04:35:39,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532064862] [2023-08-25 04:35:39,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1532064862] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-25 04:35:39,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [336118985] [2023-08-25 04:35:39,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 04:35:39,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-25 04:35:39,446 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-25 04:35:39,447 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) [2023-08-25 04:35:39,449 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-08-25 04:44:39,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 04:44:39,478 INFO L262 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 12 conjunts are in the unsatisfiable core [2023-08-25 04:44:39,489 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-08-25 04:44:57,955 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 1 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 04:44:57,955 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-08-25 04:45:05,645 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 04:45:05,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [336118985] provided 0 perfect and 2 imperfect interpolant sequences [2023-08-25 04:45:05,645 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-08-25 04:45:05,645 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 11 [2023-08-25 04:45:05,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397472321] [2023-08-25 04:45:05,645 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-08-25 04:45:05,646 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-25 04:45:05,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 04:45:05,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-25 04:45:05,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=115, Unknown=7, NotChecked=0, Total=156 [2023-08-25 04:45:05,651 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 380 out of 1044 [2023-08-25 04:45:05,655 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 61 transitions, 435 flow. Second operand has 13 states, 13 states have (on average 385.3076923076923) internal successors, (5009), 13 states have internal predecessors, (5009), 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) [2023-08-25 04:45:05,655 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 04:45:05,655 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 380 of 1044 [2023-08-25 04:45:05,655 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 04:45:17,285 WARN L234 SmtUtils]: Spent 8.90s on a formula simplification. DAG size of input: 74 DAG size of output: 46 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-08-25 04:45:20,363 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-25 04:45:22,396 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-25 04:45:24,420 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-25 04:45:36,268 WARN L234 SmtUtils]: Spent 11.50s on a formula simplification. DAG size of input: 84 DAG size of output: 52 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-08-25 04:45:38,062 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-08-25 04:45:40,942 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-25 04:45:43,123 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-25 04:45:45,222 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-25 04:45:47,328 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-25 04:45:48,939 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-25 04:45:51,018 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-25 04:45:53,415 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-25 04:45:55,421 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-25 04:45:57,563 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-25 04:45:59,567 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-25 04:46:01,860 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-25 04:46:04,889 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-08-25 04:46:16,328 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-25 04:46:18,519 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-25 04:46:20,581 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-25 04:46:22,884 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-25 04:46:24,973 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-25 04:46:27,581 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-25 04:46:29,750 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-25 04:46:31,773 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-25 04:46:34,406 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-25 04:46:36,782 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-25 04:46:40,469 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-25 04:46:43,608 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-25 04:46:46,009 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-25 04:46:47,778 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-25 04:46:49,791 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-25 04:46:51,721 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-25 04:46:53,731 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-25 04:46:55,916 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-25 04:46:58,167 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-25 04:46:59,355 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-25 04:47:01,680 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-25 04:47:04,488 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-25 04:47:06,494 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-25 04:47:08,995 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-25 04:47:11,851 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-25 04:47:14,808 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-25 04:47:17,050 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-08-25 04:47:19,302 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-08-25 04:47:21,319 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-08-25 04:47:23,350 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-08-25 04:47:25,451 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-08-25 04:47:28,246 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-25 04:47:30,473 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-25 04:47:32,593 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-08-25 04:47:37,033 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-25 04:47:40,280 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-08-25 04:47:43,451 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-25 04:47:46,008 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-25 04:47:47,384 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-25 04:47:49,451 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-25 04:47:49,522 INFO L124 PetriNetUnfolderBase]: 12361/16471 cut-off events. [2023-08-25 04:47:49,522 INFO L125 PetriNetUnfolderBase]: For 51452/51452 co-relation queries the response was YES. [2023-08-25 04:47:49,551 INFO L83 FinitePrefix]: Finished finitePrefix Result has 70206 conditions, 16471 events. 12361/16471 cut-off events. For 51452/51452 co-relation queries the response was YES. Maximal size of possible extension queue 503. Compared 76917 event pairs, 2280 based on Foata normal form. 3/16474 useless extension candidates. Maximal degree in co-relation 70182. Up to 11468 conditions per place. [2023-08-25 04:47:49,594 INFO L140 encePairwiseOnDemand]: 1036/1044 looper letters, 193 selfloop transitions, 35 changer transitions 6/234 dead transitions. [2023-08-25 04:47:49,594 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 234 transitions, 1799 flow [2023-08-25 04:47:49,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-25 04:47:49,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-25 04:47:49,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 3988 transitions. [2023-08-25 04:47:49,604 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.38199233716475095 [2023-08-25 04:47:49,604 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 3988 transitions. [2023-08-25 04:47:49,605 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 3988 transitions. [2023-08-25 04:47:49,607 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 04:47:49,607 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 3988 transitions. [2023-08-25 04:47:49,613 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 398.8) internal successors, (3988), 10 states have internal predecessors, (3988), 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) [2023-08-25 04:47:49,622 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 1044.0) internal successors, (11484), 11 states have internal predecessors, (11484), 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) [2023-08-25 04:47:49,624 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 1044.0) internal successors, (11484), 11 states have internal predecessors, (11484), 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) [2023-08-25 04:47:49,624 INFO L175 Difference]: Start difference. First operand has 76 places, 61 transitions, 435 flow. Second operand 10 states and 3988 transitions. [2023-08-25 04:47:49,624 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 234 transitions, 1799 flow [2023-08-25 04:47:49,723 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 234 transitions, 1772 flow, removed 4 selfloop flow, removed 1 redundant places. [2023-08-25 04:47:49,725 INFO L231 Difference]: Finished difference. Result has 90 places, 91 transitions, 828 flow [2023-08-25 04:47:49,725 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1044, PETRI_DIFFERENCE_MINUEND_FLOW=422, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=828, PETRI_PLACES=90, PETRI_TRANSITIONS=91} [2023-08-25 04:47:49,726 INFO L281 CegarLoopForPetriNet]: 113 programPoint places, -23 predicate places. [2023-08-25 04:47:49,726 INFO L495 AbstractCegarLoop]: Abstraction has has 90 places, 91 transitions, 828 flow [2023-08-25 04:47:49,727 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 385.3076923076923) internal successors, (5009), 13 states have internal predecessors, (5009), 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) [2023-08-25 04:47:49,727 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 04:47:49,727 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 04:47:49,757 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-08-25 04:47:49,941 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-08-25 04:47:49,941 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 132 more)] === [2023-08-25 04:47:49,941 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 04:47:49,941 INFO L85 PathProgramCache]: Analyzing trace with hash 852016816, now seen corresponding path program 2 times [2023-08-25 04:47:49,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 04:47:49,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125889982] [2023-08-25 04:47:49,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 04:47:49,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 04:47:49,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 04:47:50,455 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 04:47:50,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 04:47:50,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125889982] [2023-08-25 04:47:50,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2125889982] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-25 04:47:50,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1100540050] [2023-08-25 04:47:50,456 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-08-25 04:47:50,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-25 04:47:50,456 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-25 04:47:50,457 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) [2023-08-25 04:47:50,472 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-08-25 04:47:51,528 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-08-25 04:47:51,528 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-08-25 04:47:51,530 INFO L262 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 10 conjunts are in the unsatisfiable core [2023-08-25 04:47:51,532 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-08-25 04:47:56,095 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 3 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 04:47:56,095 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-08-25 04:47:57,101 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 04:47:57,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1100540050] provided 0 perfect and 2 imperfect interpolant sequences [2023-08-25 04:47:57,101 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-08-25 04:47:57,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 3, 3] total 9 [2023-08-25 04:47:57,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551352773] [2023-08-25 04:47:57,102 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-08-25 04:47:57,102 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-25 04:47:57,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 04:47:57,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-25 04:47:57,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=78, Unknown=1, NotChecked=0, Total=110 [2023-08-25 04:47:57,105 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 380 out of 1044 [2023-08-25 04:47:57,108 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 91 transitions, 828 flow. Second operand has 11 states, 11 states have (on average 387.3636363636364) internal successors, (4261), 11 states have internal predecessors, (4261), 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) [2023-08-25 04:47:57,108 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 04:47:57,108 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 380 of 1044 [2023-08-25 04:47:57,108 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 04:48:03,094 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-25 04:48:08,638 INFO L124 PetriNetUnfolderBase]: 13795/18388 cut-off events. [2023-08-25 04:48:08,639 INFO L125 PetriNetUnfolderBase]: For 66717/66717 co-relation queries the response was YES. [2023-08-25 04:48:08,668 INFO L83 FinitePrefix]: Finished finitePrefix Result has 84669 conditions, 18388 events. 13795/18388 cut-off events. For 66717/66717 co-relation queries the response was YES. Maximal size of possible extension queue 567. Compared 87156 event pairs, 2674 based on Foata normal form. 1/18389 useless extension candidates. Maximal degree in co-relation 84638. Up to 15248 conditions per place. [2023-08-25 04:48:08,712 INFO L140 encePairwiseOnDemand]: 1038/1044 looper letters, 157 selfloop transitions, 18 changer transitions 4/179 dead transitions. [2023-08-25 04:48:08,712 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 179 transitions, 1668 flow [2023-08-25 04:48:08,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-25 04:48:08,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-25 04:48:08,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2393 transitions. [2023-08-25 04:48:08,718 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3820242656449553 [2023-08-25 04:48:08,718 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2393 transitions. [2023-08-25 04:48:08,718 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2393 transitions. [2023-08-25 04:48:08,719 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 04:48:08,719 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2393 transitions. [2023-08-25 04:48:08,723 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 398.8333333333333) internal successors, (2393), 6 states have internal predecessors, (2393), 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) [2023-08-25 04:48:08,728 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1044.0) internal successors, (7308), 7 states have internal predecessors, (7308), 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) [2023-08-25 04:48:08,728 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1044.0) internal successors, (7308), 7 states have internal predecessors, (7308), 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) [2023-08-25 04:48:08,728 INFO L175 Difference]: Start difference. First operand has 90 places, 91 transitions, 828 flow. Second operand 6 states and 2393 transitions. [2023-08-25 04:48:08,728 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 179 transitions, 1668 flow [2023-08-25 04:48:08,867 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 179 transitions, 1611 flow, removed 26 selfloop flow, removed 1 redundant places. [2023-08-25 04:48:08,869 INFO L231 Difference]: Finished difference. Result has 96 places, 102 transitions, 963 flow [2023-08-25 04:48:08,869 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1044, PETRI_DIFFERENCE_MINUEND_FLOW=773, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=77, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=963, PETRI_PLACES=96, PETRI_TRANSITIONS=102} [2023-08-25 04:48:08,870 INFO L281 CegarLoopForPetriNet]: 113 programPoint places, -17 predicate places. [2023-08-25 04:48:08,870 INFO L495 AbstractCegarLoop]: Abstraction has has 96 places, 102 transitions, 963 flow [2023-08-25 04:48:08,871 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 387.3636363636364) internal successors, (4261), 11 states have internal predecessors, (4261), 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) [2023-08-25 04:48:08,871 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 04:48:08,871 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 04:48:08,877 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-08-25 04:48:09,076 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-25 04:48:09,076 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 132 more)] === [2023-08-25 04:48:09,076 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 04:48:09,076 INFO L85 PathProgramCache]: Analyzing trace with hash -1545374897, now seen corresponding path program 1 times [2023-08-25 04:48:09,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 04:48:09,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762990907] [2023-08-25 04:48:09,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 04:48:09,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 04:48:09,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 04:48:09,479 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 04:48:09,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 04:48:09,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762990907] [2023-08-25 04:48:09,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [762990907] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-25 04:48:09,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1750926980] [2023-08-25 04:48:09,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 04:48:09,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-25 04:48:09,480 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-25 04:48:09,481 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) [2023-08-25 04:48:09,484 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-08-25 04:48:15,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 04:48:15,805 INFO L262 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 12 conjunts are in the unsatisfiable core [2023-08-25 04:48:15,807 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-08-25 04:48:26,980 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 2 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 04:48:26,980 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-08-25 04:48:32,261 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 04:48:32,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1750926980] provided 0 perfect and 2 imperfect interpolant sequences [2023-08-25 04:48:32,261 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-08-25 04:48:32,261 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 11 [2023-08-25 04:48:32,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197349299] [2023-08-25 04:48:32,262 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-08-25 04:48:32,262 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-25 04:48:32,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 04:48:32,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-25 04:48:32,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=116, Unknown=6, NotChecked=0, Total=156 [2023-08-25 04:48:32,265 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 380 out of 1044 [2023-08-25 04:48:32,268 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 102 transitions, 963 flow. Second operand has 13 states, 13 states have (on average 384.9230769230769) internal successors, (5004), 13 states have internal predecessors, (5004), 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) [2023-08-25 04:48:32,268 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 04:48:32,268 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 380 of 1044 [2023-08-25 04:48:32,268 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 04:48:47,644 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-25 04:48:50,600 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-25 04:48:53,176 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-25 04:48:57,716 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-25 04:48:59,720 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-25 04:49:03,548 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-08-25 04:49:05,882 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-25 04:49:08,445 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-25 04:49:10,464 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-08-25 04:49:13,468 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-25 04:49:15,927 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-08-25 04:49:18,773 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-25 04:49:20,493 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-08-25 04:49:22,619 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-25 04:49:22,894 INFO L124 PetriNetUnfolderBase]: 17969/24014 cut-off events. [2023-08-25 04:49:22,894 INFO L125 PetriNetUnfolderBase]: For 90765/90765 co-relation queries the response was YES. [2023-08-25 04:49:22,975 INFO L83 FinitePrefix]: Finished finitePrefix Result has 112109 conditions, 24014 events. 17969/24014 cut-off events. For 90765/90765 co-relation queries the response was YES. Maximal size of possible extension queue 761. Compared 120517 event pairs, 2124 based on Foata normal form. 2/24016 useless extension candidates. Maximal degree in co-relation 112075. Up to 18339 conditions per place. [2023-08-25 04:49:23,141 INFO L140 encePairwiseOnDemand]: 1037/1044 looper letters, 233 selfloop transitions, 31 changer transitions 9/273 dead transitions. [2023-08-25 04:49:23,141 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 273 transitions, 2428 flow [2023-08-25 04:49:23,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-08-25 04:49:23,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-08-25 04:49:23,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 3607 transitions. [2023-08-25 04:49:23,148 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3838867603235419 [2023-08-25 04:49:23,148 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 3607 transitions. [2023-08-25 04:49:23,148 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 3607 transitions. [2023-08-25 04:49:23,150 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 04:49:23,150 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 3607 transitions. [2023-08-25 04:49:23,155 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 400.77777777777777) internal successors, (3607), 9 states have internal predecessors, (3607), 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) [2023-08-25 04:49:23,161 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 1044.0) internal successors, (10440), 10 states have internal predecessors, (10440), 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) [2023-08-25 04:49:23,161 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 1044.0) internal successors, (10440), 10 states have internal predecessors, (10440), 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) [2023-08-25 04:49:23,162 INFO L175 Difference]: Start difference. First operand has 96 places, 102 transitions, 963 flow. Second operand 9 states and 3607 transitions. [2023-08-25 04:49:23,162 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 273 transitions, 2428 flow [2023-08-25 04:49:23,310 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 103 places, 273 transitions, 2381 flow, removed 21 selfloop flow, removed 1 redundant places. [2023-08-25 04:49:23,313 INFO L231 Difference]: Finished difference. Result has 108 places, 128 transitions, 1310 flow [2023-08-25 04:49:23,313 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1044, PETRI_DIFFERENCE_MINUEND_FLOW=916, PETRI_DIFFERENCE_MINUEND_PLACES=95, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=102, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1310, PETRI_PLACES=108, PETRI_TRANSITIONS=128} [2023-08-25 04:49:23,314 INFO L281 CegarLoopForPetriNet]: 113 programPoint places, -5 predicate places. [2023-08-25 04:49:23,314 INFO L495 AbstractCegarLoop]: Abstraction has has 108 places, 128 transitions, 1310 flow [2023-08-25 04:49:23,315 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 384.9230769230769) internal successors, (5004), 13 states have internal predecessors, (5004), 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) [2023-08-25 04:49:23,315 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 04:49:23,315 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 04:49:23,326 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-08-25 04:49:23,523 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-25 04:49:23,523 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 132 more)] === [2023-08-25 04:49:23,524 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 04:49:23,524 INFO L85 PathProgramCache]: Analyzing trace with hash -213480775, now seen corresponding path program 2 times [2023-08-25 04:49:23,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 04:49:23,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343514734] [2023-08-25 04:49:23,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 04:49:23,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 04:49:23,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 04:49:23,956 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 04:49:23,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 04:49:23,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343514734] [2023-08-25 04:49:23,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [343514734] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-25 04:49:23,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [574400159] [2023-08-25 04:49:23,957 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-08-25 04:49:23,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-25 04:49:23,957 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-25 04:49:23,961 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-08-25 04:49:23,967 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-08-25 04:49:24,358 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-08-25 04:49:24,359 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-08-25 04:49:24,360 INFO L262 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 11 conjunts are in the unsatisfiable core [2023-08-25 04:49:24,362 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-08-25 04:49:33,624 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 2 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 04:49:33,624 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-08-25 04:49:38,612 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 04:49:38,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [574400159] provided 0 perfect and 2 imperfect interpolant sequences [2023-08-25 04:49:38,613 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-08-25 04:49:38,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 11 [2023-08-25 04:49:38,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886194796] [2023-08-25 04:49:38,613 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-08-25 04:49:38,613 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-25 04:49:38,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 04:49:38,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-25 04:49:38,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=108, Unknown=4, NotChecked=0, Total=156 [2023-08-25 04:49:38,616 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 380 out of 1044 [2023-08-25 04:49:38,619 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 108 places, 128 transitions, 1310 flow. Second operand has 13 states, 13 states have (on average 386.0769230769231) internal successors, (5019), 13 states have internal predecessors, (5019), 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) [2023-08-25 04:49:38,619 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 04:49:38,619 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 380 of 1044 [2023-08-25 04:49:38,619 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 04:49:43,842 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] Received shutdown request... [2023-08-25 04:49:44,591 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-08-25 04:49:44,619 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-08-25 04:49:45,569 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-25 04:49:45,600 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-08-25 04:49:45,621 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr19ASSERT_VIOLATIONASSERT (135 of 136 remaining) [2023-08-25 04:49:45,622 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-08-25 04:49:45,622 WARN L619 AbstractCegarLoop]: Verification canceled: while executing Executor. [2023-08-25 04:49:45,623 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err0ASSERT_VIOLATIONDATA_RACE (134 of 136 remaining) [2023-08-25 04:49:45,623 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err1ASSERT_VIOLATIONDATA_RACE (133 of 136 remaining) [2023-08-25 04:49:45,623 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err2ASSERT_VIOLATIONDATA_RACE (132 of 136 remaining) [2023-08-25 04:49:45,623 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err3ASSERT_VIOLATIONDATA_RACE (131 of 136 remaining) [2023-08-25 04:49:45,623 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err4ASSERT_VIOLATIONDATA_RACE (130 of 136 remaining) [2023-08-25 04:49:45,623 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err5ASSERT_VIOLATIONDATA_RACE (129 of 136 remaining) [2023-08-25 04:49:45,623 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err6ASSERT_VIOLATIONDATA_RACE (128 of 136 remaining) [2023-08-25 04:49:45,624 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err7ASSERT_VIOLATIONDATA_RACE (127 of 136 remaining) [2023-08-25 04:49:45,624 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err8ASSERT_VIOLATIONDATA_RACE (126 of 136 remaining) [2023-08-25 04:49:45,624 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err9ASSERT_VIOLATIONDATA_RACE (125 of 136 remaining) [2023-08-25 04:49:45,624 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err10ASSERT_VIOLATIONDATA_RACE (124 of 136 remaining) [2023-08-25 04:49:45,624 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err11ASSERT_VIOLATIONDATA_RACE (123 of 136 remaining) [2023-08-25 04:49:45,624 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err12ASSERT_VIOLATIONDATA_RACE (122 of 136 remaining) [2023-08-25 04:49:45,624 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err13ASSERT_VIOLATIONDATA_RACE (121 of 136 remaining) [2023-08-25 04:49:45,624 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err0ASSERT_VIOLATIONDATA_RACE (120 of 136 remaining) [2023-08-25 04:49:45,624 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err1ASSERT_VIOLATIONDATA_RACE (119 of 136 remaining) [2023-08-25 04:49:45,624 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err2ASSERT_VIOLATIONDATA_RACE (118 of 136 remaining) [2023-08-25 04:49:45,624 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err3ASSERT_VIOLATIONDATA_RACE (117 of 136 remaining) [2023-08-25 04:49:45,624 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err4ASSERT_VIOLATIONDATA_RACE (116 of 136 remaining) [2023-08-25 04:49:45,624 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err5ASSERT_VIOLATIONDATA_RACE (115 of 136 remaining) [2023-08-25 04:49:45,625 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err6ASSERT_VIOLATIONDATA_RACE (114 of 136 remaining) [2023-08-25 04:49:45,625 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err7ASSERT_VIOLATIONDATA_RACE (113 of 136 remaining) [2023-08-25 04:49:45,625 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err8ASSERT_VIOLATIONDATA_RACE (112 of 136 remaining) [2023-08-25 04:49:45,625 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err9ASSERT_VIOLATIONDATA_RACE (111 of 136 remaining) [2023-08-25 04:49:45,625 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err10ASSERT_VIOLATIONDATA_RACE (110 of 136 remaining) [2023-08-25 04:49:45,625 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err11ASSERT_VIOLATIONDATA_RACE (109 of 136 remaining) [2023-08-25 04:49:45,625 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err12ASSERT_VIOLATIONDATA_RACE (108 of 136 remaining) [2023-08-25 04:49:45,625 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err13ASSERT_VIOLATIONDATA_RACE (107 of 136 remaining) [2023-08-25 04:49:45,625 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err0ASSERT_VIOLATIONDATA_RACE (106 of 136 remaining) [2023-08-25 04:49:45,625 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err1ASSERT_VIOLATIONDATA_RACE (105 of 136 remaining) [2023-08-25 04:49:45,625 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err2ASSERT_VIOLATIONDATA_RACE (104 of 136 remaining) [2023-08-25 04:49:45,625 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err3ASSERT_VIOLATIONDATA_RACE (103 of 136 remaining) [2023-08-25 04:49:45,625 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err4ASSERT_VIOLATIONDATA_RACE (102 of 136 remaining) [2023-08-25 04:49:45,625 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err5ASSERT_VIOLATIONDATA_RACE (101 of 136 remaining) [2023-08-25 04:49:45,626 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err6ASSERT_VIOLATIONDATA_RACE (100 of 136 remaining) [2023-08-25 04:49:45,626 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err7ASSERT_VIOLATIONDATA_RACE (99 of 136 remaining) [2023-08-25 04:49:45,626 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err8ASSERT_VIOLATIONDATA_RACE (98 of 136 remaining) [2023-08-25 04:49:45,626 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err9ASSERT_VIOLATIONDATA_RACE (97 of 136 remaining) [2023-08-25 04:49:45,626 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err10ASSERT_VIOLATIONDATA_RACE (96 of 136 remaining) [2023-08-25 04:49:45,626 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err11ASSERT_VIOLATIONDATA_RACE (95 of 136 remaining) [2023-08-25 04:49:45,626 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err12ASSERT_VIOLATIONDATA_RACE (94 of 136 remaining) [2023-08-25 04:49:45,626 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err13ASSERT_VIOLATIONDATA_RACE (93 of 136 remaining) [2023-08-25 04:49:45,626 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (92 of 136 remaining) [2023-08-25 04:49:45,626 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (91 of 136 remaining) [2023-08-25 04:49:45,626 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (90 of 136 remaining) [2023-08-25 04:49:45,626 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (89 of 136 remaining) [2023-08-25 04:49:45,626 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (88 of 136 remaining) [2023-08-25 04:49:45,627 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (87 of 136 remaining) [2023-08-25 04:49:45,627 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (86 of 136 remaining) [2023-08-25 04:49:45,627 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (85 of 136 remaining) [2023-08-25 04:49:45,627 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (84 of 136 remaining) [2023-08-25 04:49:45,627 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (83 of 136 remaining) [2023-08-25 04:49:45,627 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (82 of 136 remaining) [2023-08-25 04:49:45,627 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (81 of 136 remaining) [2023-08-25 04:49:45,627 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (80 of 136 remaining) [2023-08-25 04:49:45,627 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (79 of 136 remaining) [2023-08-25 04:49:45,627 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (78 of 136 remaining) [2023-08-25 04:49:45,627 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (77 of 136 remaining) [2023-08-25 04:49:45,628 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (76 of 136 remaining) [2023-08-25 04:49:45,628 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (75 of 136 remaining) [2023-08-25 04:49:45,628 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (74 of 136 remaining) [2023-08-25 04:49:45,628 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (73 of 136 remaining) [2023-08-25 04:49:45,628 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (72 of 136 remaining) [2023-08-25 04:49:45,628 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (71 of 136 remaining) [2023-08-25 04:49:45,628 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (70 of 136 remaining) [2023-08-25 04:49:45,628 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err0ASSERT_VIOLATIONDATA_RACE (69 of 136 remaining) [2023-08-25 04:49:45,628 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err1ASSERT_VIOLATIONDATA_RACE (68 of 136 remaining) [2023-08-25 04:49:45,628 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err2ASSERT_VIOLATIONDATA_RACE (67 of 136 remaining) [2023-08-25 04:49:45,628 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err3ASSERT_VIOLATIONDATA_RACE (66 of 136 remaining) [2023-08-25 04:49:45,629 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err4ASSERT_VIOLATIONDATA_RACE (65 of 136 remaining) [2023-08-25 04:49:45,629 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err5ASSERT_VIOLATIONDATA_RACE (64 of 136 remaining) [2023-08-25 04:49:45,629 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err6ASSERT_VIOLATIONDATA_RACE (63 of 136 remaining) [2023-08-25 04:49:45,629 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err7ASSERT_VIOLATIONDATA_RACE (62 of 136 remaining) [2023-08-25 04:49:45,629 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err8ASSERT_VIOLATIONDATA_RACE (61 of 136 remaining) [2023-08-25 04:49:45,629 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err9ASSERT_VIOLATIONDATA_RACE (60 of 136 remaining) [2023-08-25 04:49:45,629 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err10ASSERT_VIOLATIONDATA_RACE (59 of 136 remaining) [2023-08-25 04:49:45,629 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err11ASSERT_VIOLATIONDATA_RACE (58 of 136 remaining) [2023-08-25 04:49:45,629 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err12ASSERT_VIOLATIONDATA_RACE (57 of 136 remaining) [2023-08-25 04:49:45,629 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err13ASSERT_VIOLATIONDATA_RACE (56 of 136 remaining) [2023-08-25 04:49:45,629 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err0ASSERT_VIOLATIONDATA_RACE (55 of 136 remaining) [2023-08-25 04:49:45,629 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err1ASSERT_VIOLATIONDATA_RACE (54 of 136 remaining) [2023-08-25 04:49:45,629 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err2ASSERT_VIOLATIONDATA_RACE (53 of 136 remaining) [2023-08-25 04:49:45,630 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err3ASSERT_VIOLATIONDATA_RACE (52 of 136 remaining) [2023-08-25 04:49:45,630 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err4ASSERT_VIOLATIONDATA_RACE (51 of 136 remaining) [2023-08-25 04:49:45,630 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err5ASSERT_VIOLATIONDATA_RACE (50 of 136 remaining) [2023-08-25 04:49:45,630 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err6ASSERT_VIOLATIONDATA_RACE (49 of 136 remaining) [2023-08-25 04:49:45,630 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err7ASSERT_VIOLATIONDATA_RACE (48 of 136 remaining) [2023-08-25 04:49:45,630 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err8ASSERT_VIOLATIONDATA_RACE (47 of 136 remaining) [2023-08-25 04:49:45,630 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err9ASSERT_VIOLATIONDATA_RACE (46 of 136 remaining) [2023-08-25 04:49:45,630 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err10ASSERT_VIOLATIONDATA_RACE (45 of 136 remaining) [2023-08-25 04:49:45,630 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err11ASSERT_VIOLATIONDATA_RACE (44 of 136 remaining) [2023-08-25 04:49:45,630 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err12ASSERT_VIOLATIONDATA_RACE (43 of 136 remaining) [2023-08-25 04:49:45,630 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err13ASSERT_VIOLATIONDATA_RACE (42 of 136 remaining) [2023-08-25 04:49:45,631 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err0ASSERT_VIOLATIONDATA_RACE (41 of 136 remaining) [2023-08-25 04:49:45,631 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err1ASSERT_VIOLATIONDATA_RACE (40 of 136 remaining) [2023-08-25 04:49:45,631 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err2ASSERT_VIOLATIONDATA_RACE (39 of 136 remaining) [2023-08-25 04:49:45,631 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err3ASSERT_VIOLATIONDATA_RACE (38 of 136 remaining) [2023-08-25 04:49:45,631 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err4ASSERT_VIOLATIONDATA_RACE (37 of 136 remaining) [2023-08-25 04:49:45,631 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err5ASSERT_VIOLATIONDATA_RACE (36 of 136 remaining) [2023-08-25 04:49:45,631 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err6ASSERT_VIOLATIONDATA_RACE (35 of 136 remaining) [2023-08-25 04:49:45,631 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err7ASSERT_VIOLATIONDATA_RACE (34 of 136 remaining) [2023-08-25 04:49:45,631 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err8ASSERT_VIOLATIONDATA_RACE (33 of 136 remaining) [2023-08-25 04:49:45,631 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err9ASSERT_VIOLATIONDATA_RACE (32 of 136 remaining) [2023-08-25 04:49:45,631 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err10ASSERT_VIOLATIONDATA_RACE (31 of 136 remaining) [2023-08-25 04:49:45,631 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err11ASSERT_VIOLATIONDATA_RACE (30 of 136 remaining) [2023-08-25 04:49:45,632 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err12ASSERT_VIOLATIONDATA_RACE (29 of 136 remaining) [2023-08-25 04:49:45,632 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err13ASSERT_VIOLATIONDATA_RACE (28 of 136 remaining) [2023-08-25 04:49:45,632 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err0ASSERT_VIOLATIONDATA_RACE (27 of 136 remaining) [2023-08-25 04:49:45,632 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err1ASSERT_VIOLATIONDATA_RACE (26 of 136 remaining) [2023-08-25 04:49:45,632 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err2ASSERT_VIOLATIONDATA_RACE (25 of 136 remaining) [2023-08-25 04:49:45,632 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err3ASSERT_VIOLATIONDATA_RACE (24 of 136 remaining) [2023-08-25 04:49:45,632 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err4ASSERT_VIOLATIONDATA_RACE (23 of 136 remaining) [2023-08-25 04:49:45,632 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err5ASSERT_VIOLATIONDATA_RACE (22 of 136 remaining) [2023-08-25 04:49:45,632 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err6ASSERT_VIOLATIONDATA_RACE (21 of 136 remaining) [2023-08-25 04:49:45,632 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err7ASSERT_VIOLATIONDATA_RACE (20 of 136 remaining) [2023-08-25 04:49:45,632 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err8ASSERT_VIOLATIONDATA_RACE (19 of 136 remaining) [2023-08-25 04:49:45,632 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err9ASSERT_VIOLATIONDATA_RACE (18 of 136 remaining) [2023-08-25 04:49:45,632 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err10ASSERT_VIOLATIONDATA_RACE (17 of 136 remaining) [2023-08-25 04:49:45,633 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err11ASSERT_VIOLATIONDATA_RACE (16 of 136 remaining) [2023-08-25 04:49:45,633 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err12ASSERT_VIOLATIONDATA_RACE (15 of 136 remaining) [2023-08-25 04:49:45,633 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err13ASSERT_VIOLATIONDATA_RACE (14 of 136 remaining) [2023-08-25 04:49:45,633 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err0ASSERT_VIOLATIONDATA_RACE (13 of 136 remaining) [2023-08-25 04:49:45,633 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err1ASSERT_VIOLATIONDATA_RACE (12 of 136 remaining) [2023-08-25 04:49:45,633 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err2ASSERT_VIOLATIONDATA_RACE (11 of 136 remaining) [2023-08-25 04:49:45,633 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err3ASSERT_VIOLATIONDATA_RACE (10 of 136 remaining) [2023-08-25 04:49:45,633 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err4ASSERT_VIOLATIONDATA_RACE (9 of 136 remaining) [2023-08-25 04:49:45,633 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err5ASSERT_VIOLATIONDATA_RACE (8 of 136 remaining) [2023-08-25 04:49:45,633 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err6ASSERT_VIOLATIONDATA_RACE (7 of 136 remaining) [2023-08-25 04:49:45,633 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err7ASSERT_VIOLATIONDATA_RACE (6 of 136 remaining) [2023-08-25 04:49:45,633 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err8ASSERT_VIOLATIONDATA_RACE (5 of 136 remaining) [2023-08-25 04:49:45,633 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err9ASSERT_VIOLATIONDATA_RACE (4 of 136 remaining) [2023-08-25 04:49:45,634 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err10ASSERT_VIOLATIONDATA_RACE (3 of 136 remaining) [2023-08-25 04:49:45,634 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err11ASSERT_VIOLATIONDATA_RACE (2 of 136 remaining) [2023-08-25 04:49:45,634 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err12ASSERT_VIOLATIONDATA_RACE (1 of 136 remaining) [2023-08-25 04:49:45,634 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err13ASSERT_VIOLATIONDATA_RACE (0 of 136 remaining) [2023-08-25 04:49:45,634 INFO L445 BasicCegarLoop]: Path program histogram: [2, 2, 2, 2, 2, 2, 1, 1, 1] [2023-08-25 04:49:45,639 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-25 04:49:45,639 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-25 04:49:45,646 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 [2023-08-25 04:49:45,647 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.08 04:49:45 BasicIcfg [2023-08-25 04:49:45,647 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-25 04:49:45,648 INFO L158 Benchmark]: Toolchain (without parser) took 867956.10ms. Allocated memory was 375.4MB in the beginning and 931.1MB in the end (delta: 555.7MB). Free memory was 351.5MB in the beginning and 486.2MB in the end (delta: -134.7MB). Peak memory consumption was 424.2MB. Max. memory is 16.0GB. [2023-08-25 04:49:45,648 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 375.4MB. Free memory is still 351.9MB. There was no memory consumed. Max. memory is 16.0GB. [2023-08-25 04:49:45,651 INFO L158 Benchmark]: CACSL2BoogieTranslator took 253.30ms. Allocated memory is still 375.4MB. Free memory was 350.9MB in the beginning and 338.8MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. [2023-08-25 04:49:45,651 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.45ms. Allocated memory is still 375.4MB. Free memory was 338.8MB in the beginning and 336.7MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.0GB. [2023-08-25 04:49:45,651 INFO L158 Benchmark]: Boogie Preprocessor took 29.13ms. Allocated memory is still 375.4MB. Free memory was 336.7MB in the beginning and 334.6MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. [2023-08-25 04:49:45,652 INFO L158 Benchmark]: RCFGBuilder took 624.60ms. Allocated memory is still 375.4MB. Free memory was 334.6MB in the beginning and 305.2MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.0GB. [2023-08-25 04:49:45,652 INFO L158 Benchmark]: TraceAbstraction took 867009.45ms. Allocated memory was 375.4MB in the beginning and 931.1MB in the end (delta: 555.7MB). Free memory was 304.7MB in the beginning and 486.2MB in the end (delta: -181.5MB). Peak memory consumption was 378.0MB. Max. memory is 16.0GB. [2023-08-25 04:49:45,653 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 375.4MB. Free memory is still 351.9MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 253.30ms. Allocated memory is still 375.4MB. Free memory was 350.9MB in the beginning and 338.8MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 34.45ms. Allocated memory is still 375.4MB. Free memory was 338.8MB in the beginning and 336.7MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.0GB. * Boogie Preprocessor took 29.13ms. Allocated memory is still 375.4MB. Free memory was 336.7MB in the beginning and 334.6MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. * RCFGBuilder took 624.60ms. Allocated memory is still 375.4MB. Free memory was 334.6MB in the beginning and 305.2MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.0GB. * TraceAbstraction took 867009.45ms. Allocated memory was 375.4MB in the beginning and 931.1MB in the end (delta: 555.7MB). Free memory was 304.7MB in the beginning and 486.2MB in the end (delta: -181.5MB). Peak memory consumption was 378.0MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 9.3s, 417 PlacesBefore, 113 PlacesAfterwards, 418 TransitionsBefore, 108 TransitionsAfterwards, 56640 CoEnabledTransitionPairs, 9 FixpointIterations, 149 TrivialSequentialCompositions, 423 ConcurrentSequentialCompositions, 19 TrivialYvCompositions, 12 ConcurrentYvCompositions, 6 ChoiceCompositions, 609 TotalNumberOfCompositions, 87143 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 62452, independent: 62135, independent conditional: 0, independent unconditional: 62135, dependent: 317, dependent conditional: 0, dependent unconditional: 317, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 35200, independent: 35148, independent conditional: 0, independent unconditional: 35148, dependent: 52, dependent conditional: 0, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 62452, independent: 26987, independent conditional: 0, independent unconditional: 26987, dependent: 265, dependent conditional: 0, dependent unconditional: 265, unknown: 35200, unknown conditional: 0, unknown unconditional: 35200] , Statistics on independence cache: Total cache size (in pairs): 510, Positive cache size: 487, Positive conditional cache size: 0, Positive unconditional cache size: 487, Negative cache size: 23, Negative conditional cache size: 0, Negative unconditional cache size: 23, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - TimeoutResultAtElement [Line: 21]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while executing Executor. - TimeoutResultAtElement [Line: 38]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 38]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 39]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 39]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 39]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 40]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 40]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 40]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 41]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 41]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 41]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 42]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 42]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 42]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 49]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 49]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 50]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 50]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 50]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 51]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 51]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 51]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 52]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 52]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 52]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 53]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 53]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 53]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 60]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 60]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 61]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 61]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 61]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 62]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 62]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 62]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 63]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 63]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 63]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 64]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 64]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 64]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 85]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 86]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 87]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 88]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 89]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 92]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 92]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 92]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 92]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 92]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 92]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 98]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 99]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 100]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 101]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 103]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 103]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 103]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 103]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 95]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled 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 executing Executor. - TimeoutResultAtElement [Line: 97]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing Executor. - TimeoutResultAtElement [Line: 96]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing Executor. - TimeoutResultAtElement [Line: 71]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 71]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 72]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 72]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 72]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 73]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 73]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 73]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 74]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 74]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 74]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 75]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 75]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 75]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 658 locations, 136 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 866.8s, OverallIterations: 15, TraceHistogramMax: 2, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 240.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 9.5s, HoareTripleCheckerStatistics: 62 mSolverCounterUnknown, 672 SdHoareTripleChecker+Valid, 182.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 672 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 181.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 30 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3143 IncrementalHoareTripleChecker+Invalid, 3236 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 30 mSolverCounterUnsat, 0 mSDtfsCounter, 3143 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 497 GetRequests, 395 SyntacticMatches, 25 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 131 ImplicationChecksByTransitivity, 105.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1310occurred in iteration=14, InterpolantAutomatonStates: 73, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 547.9s SatisfiabilityAnalysisTime, 65.8s InterpolantComputationTime, 586 NumberOfCodeBlocks, 586 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 779 ConstructedInterpolants, 0 QuantifiedInterpolants, 25640 SizeOfPredicates, 20 NumberOfNonLiveVariables, 2316 ConjunctsInSsa, 57 ConjunctsInUnsatCore, 31 InterpolantComputations, 7 PerfectInterpolantSequences, 21/80 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