/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/parallel-misc-2.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-ac9dbd0-m [2023-08-25 05:30:55,796 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-08-25 05:30:55,871 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 05:30:55,875 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-08-25 05:30:55,875 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-08-25 05:30:55,904 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-25 05:30:55,904 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-25 05:30:55,905 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-25 05:30:55,905 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-25 05:30:55,908 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-08-25 05:30:55,908 INFO L153 SettingsManager]: * Use SBE=true [2023-08-25 05:30:55,909 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-25 05:30:55,909 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-25 05:30:55,910 INFO L153 SettingsManager]: * sizeof long=4 [2023-08-25 05:30:55,910 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-25 05:30:55,910 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-08-25 05:30:55,910 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-08-25 05:30:55,910 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-25 05:30:55,911 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-25 05:30:55,911 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-25 05:30:55,911 INFO L153 SettingsManager]: * sizeof long double=12 [2023-08-25 05:30:55,911 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-08-25 05:30:55,912 INFO L153 SettingsManager]: * Use constant arrays=true [2023-08-25 05:30:55,912 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-25 05:30:55,912 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-25 05:30:55,912 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-08-25 05:30:55,912 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-25 05:30:55,913 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 05:30:55,913 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-25 05:30:55,913 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-25 05:30:55,914 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-25 05:30:55,914 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-25 05:30:55,914 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-25 05:30:55,914 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-25 05:30:55,914 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-25 05:30:55,914 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true [2023-08-25 05:30:56,209 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-25 05:30:56,233 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-25 05:30:56,235 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-25 05:30:56,236 INFO L270 PluginConnector]: Initializing CDTParser... [2023-08-25 05:30:56,237 INFO L274 PluginConnector]: CDTParser initialized [2023-08-25 05:30:56,238 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-misc-2.wvr.c [2023-08-25 05:30:57,256 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-08-25 05:30:57,401 INFO L384 CDTParser]: Found 1 translation units. [2023-08-25 05:30:57,401 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-misc-2.wvr.c [2023-08-25 05:30:57,406 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81c7f0edd/c6018c7cccd34a1dbd18ba8bd17a55fb/FLAG76d8b9068 [2023-08-25 05:30:57,415 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81c7f0edd/c6018c7cccd34a1dbd18ba8bd17a55fb [2023-08-25 05:30:57,417 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-25 05:30:57,418 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-08-25 05:30:57,419 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-25 05:30:57,419 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-25 05:30:57,421 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-25 05:30:57,421 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 05:30:57" (1/1) ... [2023-08-25 05:30:57,422 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72046e34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 05:30:57, skipping insertion in model container [2023-08-25 05:30:57,422 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 05:30:57" (1/1) ... [2023-08-25 05:30:57,435 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-08-25 05:30:57,531 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 05:30:57,537 INFO L201 MainTranslator]: Completed pre-run [2023-08-25 05:30:57,552 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 05:30:57,556 WARN L669 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-25 05:30:57,556 WARN L669 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-25 05:30:57,560 INFO L206 MainTranslator]: Completed translation [2023-08-25 05:30:57,561 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 05:30:57 WrapperNode [2023-08-25 05:30:57,561 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-25 05:30:57,561 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-25 05:30:57,562 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-25 05:30:57,562 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-25 05:30:57,565 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 05:30:57" (1/1) ... [2023-08-25 05:30:57,571 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 05:30:57" (1/1) ... [2023-08-25 05:30:57,584 INFO L138 Inliner]: procedures = 21, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 128 [2023-08-25 05:30:57,584 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-25 05:30:57,584 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-25 05:30:57,584 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-25 05:30:57,584 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-08-25 05:30:57,589 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 05:30:57" (1/1) ... [2023-08-25 05:30:57,589 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 05:30:57" (1/1) ... [2023-08-25 05:30:57,591 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 05:30:57" (1/1) ... [2023-08-25 05:30:57,591 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 05:30:57" (1/1) ... [2023-08-25 05:30:57,595 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 05:30:57" (1/1) ... [2023-08-25 05:30:57,597 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 05:30:57" (1/1) ... [2023-08-25 05:30:57,598 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 05:30:57" (1/1) ... [2023-08-25 05:30:57,599 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 05:30:57" (1/1) ... [2023-08-25 05:30:57,600 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-25 05:30:57,601 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-25 05:30:57,601 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-08-25 05:30:57,601 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-08-25 05:30:57,601 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 05:30:57" (1/1) ... [2023-08-25 05:30:57,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 05:30:57,613 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-25 05:30:57,629 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 05:30:57,657 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 05:30:57,668 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-25 05:30:57,668 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-25 05:30:57,668 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-25 05:30:57,668 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-25 05:30:57,669 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-25 05:30:57,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-25 05:30:57,669 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-25 05:30:57,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-25 05:30:57,669 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-25 05:30:57,669 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-25 05:30:57,669 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-25 05:30:57,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-25 05:30:57,669 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-25 05:30:57,670 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-25 05:30:57,670 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 05:30:57,761 INFO L236 CfgBuilder]: Building ICFG [2023-08-25 05:30:57,762 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-25 05:30:58,039 INFO L277 CfgBuilder]: Performing block encoding [2023-08-25 05:30:58,072 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-25 05:30:58,072 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-08-25 05:30:58,074 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 05:30:58 BoogieIcfgContainer [2023-08-25 05:30:58,074 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-25 05:30:58,076 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-25 05:30:58,076 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-08-25 05:30:58,078 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-08-25 05:30:58,078 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.08 05:30:57" (1/3) ... [2023-08-25 05:30:58,078 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c6c954a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 05:30:58, skipping insertion in model container [2023-08-25 05:30:58,078 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 05:30:57" (2/3) ... [2023-08-25 05:30:58,079 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c6c954a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 05:30:58, skipping insertion in model container [2023-08-25 05:30:58,079 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 05:30:58" (3/3) ... [2023-08-25 05:30:58,079 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-misc-2.wvr.c [2023-08-25 05:30:58,090 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-25 05:30:58,091 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 37 error locations. [2023-08-25 05:30:58,091 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-25 05:30:58,139 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-25 05:30:58,163 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 229 places, 232 transitions, 480 flow [2023-08-25 05:30:58,220 INFO L124 PetriNetUnfolderBase]: 10/230 cut-off events. [2023-08-25 05:30:58,220 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-08-25 05:30:58,227 INFO L83 FinitePrefix]: Finished finitePrefix Result has 239 conditions, 230 events. 10/230 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 353 event pairs, 0 based on Foata normal form. 0/183 useless extension candidates. Maximal degree in co-relation 149. Up to 2 conditions per place. [2023-08-25 05:30:58,227 INFO L82 GeneralOperation]: Start removeDead. Operand has 229 places, 232 transitions, 480 flow [2023-08-25 05:30:58,231 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 218 places, 221 transitions, 454 flow [2023-08-25 05:30:58,233 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-25 05:30:58,239 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 218 places, 221 transitions, 454 flow [2023-08-25 05:30:58,241 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 218 places, 221 transitions, 454 flow [2023-08-25 05:30:58,241 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 218 places, 221 transitions, 454 flow [2023-08-25 05:30:58,270 INFO L124 PetriNetUnfolderBase]: 10/221 cut-off events. [2023-08-25 05:30:58,270 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-08-25 05:30:58,271 INFO L83 FinitePrefix]: Finished finitePrefix Result has 230 conditions, 221 events. 10/221 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 352 event pairs, 0 based on Foata normal form. 0/175 useless extension candidates. Maximal degree in co-relation 149. Up to 2 conditions per place. [2023-08-25 05:30:58,274 INFO L119 LiptonReduction]: Number of co-enabled transitions 6300 [2023-08-25 05:31:02,586 INFO L134 LiptonReduction]: Checked pairs total: 13419 [2023-08-25 05:31:02,586 INFO L136 LiptonReduction]: Total number of compositions: 273 [2023-08-25 05:31:02,597 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-25 05:31:02,601 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;@78c84b9d, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-25 05:31:02,601 INFO L358 AbstractCegarLoop]: Starting to check reachability of 61 error locations. [2023-08-25 05:31:02,602 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-25 05:31:02,602 INFO L124 PetriNetUnfolderBase]: 0/0 cut-off events. [2023-08-25 05:31:02,602 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 05:31:02,602 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 05:31:02,611 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-25 05:31:02,612 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2023-08-25 05:31:02,615 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 05:31:02,615 INFO L85 PathProgramCache]: Analyzing trace with hash 932, now seen corresponding path program 1 times [2023-08-25 05:31:02,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 05:31:02,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760460798] [2023-08-25 05:31:02,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 05:31:02,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 05:31:02,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 05:31:02,675 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 05:31:02,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 05:31:02,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1760460798] [2023-08-25 05:31:02,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1760460798] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 05:31:02,676 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 05:31:02,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-25 05:31:02,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917875083] [2023-08-25 05:31:02,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 05:31:02,682 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-25 05:31:02,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 05:31:02,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-25 05:31:02,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-25 05:31:02,697 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 211 out of 505 [2023-08-25 05:31:02,699 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 58 transitions, 128 flow. Second operand has 2 states, 2 states have (on average 211.5) internal successors, (423), 2 states have internal predecessors, (423), 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 05:31:02,699 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 05:31:02,699 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 211 of 505 [2023-08-25 05:31:02,700 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 05:31:02,776 INFO L124 PetriNetUnfolderBase]: 103/192 cut-off events. [2023-08-25 05:31:02,776 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2023-08-25 05:31:02,777 INFO L83 FinitePrefix]: Finished finitePrefix Result has 389 conditions, 192 events. 103/192 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 649 event pairs, 69 based on Foata normal form. 0/158 useless extension candidates. Maximal degree in co-relation 338. Up to 175 conditions per place. [2023-08-25 05:31:02,778 INFO L140 encePairwiseOnDemand]: 470/505 looper letters, 20 selfloop transitions, 0 changer transitions 0/23 dead transitions. [2023-08-25 05:31:02,778 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 28 places, 23 transitions, 98 flow [2023-08-25 05:31:02,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-25 05:31:02,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-25 05:31:02,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 477 transitions. [2023-08-25 05:31:02,794 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47227722772277225 [2023-08-25 05:31:02,795 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 477 transitions. [2023-08-25 05:31:02,795 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 477 transitions. [2023-08-25 05:31:02,798 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 05:31:02,800 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 477 transitions. [2023-08-25 05:31:02,803 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 238.5) internal successors, (477), 2 states have internal predecessors, (477), 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 05:31:02,807 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 505.0) internal successors, (1515), 3 states have internal predecessors, (1515), 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 05:31:02,807 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 505.0) internal successors, (1515), 3 states have internal predecessors, (1515), 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 05:31:02,808 INFO L175 Difference]: Start difference. First operand has 60 places, 58 transitions, 128 flow. Second operand 2 states and 477 transitions. [2023-08-25 05:31:02,809 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 28 places, 23 transitions, 98 flow [2023-08-25 05:31:02,811 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 24 places, 23 transitions, 90 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-25 05:31:02,812 INFO L231 Difference]: Finished difference. Result has 24 places, 23 transitions, 50 flow [2023-08-25 05:31:02,813 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=505, PETRI_DIFFERENCE_MINUEND_FLOW=50, PETRI_DIFFERENCE_MINUEND_PLACES=23, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=23, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=50, PETRI_PLACES=24, PETRI_TRANSITIONS=23} [2023-08-25 05:31:02,817 INFO L281 CegarLoopForPetriNet]: 60 programPoint places, -36 predicate places. [2023-08-25 05:31:02,817 INFO L495 AbstractCegarLoop]: Abstraction has has 24 places, 23 transitions, 50 flow [2023-08-25 05:31:02,817 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 211.5) internal successors, (423), 2 states have internal predecessors, (423), 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 05:31:02,818 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 05:31:02,818 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2023-08-25 05:31:02,818 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-25 05:31:02,818 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2023-08-25 05:31:02,819 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 05:31:02,819 INFO L85 PathProgramCache]: Analyzing trace with hash 29312316, now seen corresponding path program 1 times [2023-08-25 05:31:02,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 05:31:02,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844883329] [2023-08-25 05:31:02,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 05:31:02,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 05:31:02,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 05:31:02,922 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 05:31:02,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 05:31:02,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844883329] [2023-08-25 05:31:02,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [844883329] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 05:31:02,924 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 05:31:02,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-25 05:31:02,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232416139] [2023-08-25 05:31:02,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 05:31:02,925 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-25 05:31:02,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 05:31:02,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-25 05:31:02,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-25 05:31:02,927 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 202 out of 505 [2023-08-25 05:31:02,929 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 24 places, 23 transitions, 50 flow. Second operand has 3 states, 3 states have (on average 203.33333333333334) internal successors, (610), 3 states have internal predecessors, (610), 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 05:31:02,930 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 05:31:02,930 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 202 of 505 [2023-08-25 05:31:02,930 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 05:31:02,974 INFO L124 PetriNetUnfolderBase]: 108/187 cut-off events. [2023-08-25 05:31:02,974 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-08-25 05:31:02,976 INFO L83 FinitePrefix]: Finished finitePrefix Result has 381 conditions, 187 events. 108/187 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 564 event pairs, 30 based on Foata normal form. 0/153 useless extension candidates. Maximal degree in co-relation 378. Up to 178 conditions per place. [2023-08-25 05:31:02,978 INFO L140 encePairwiseOnDemand]: 501/505 looper letters, 23 selfloop transitions, 2 changer transitions 0/26 dead transitions. [2023-08-25 05:31:02,978 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 24 places, 26 transitions, 107 flow [2023-08-25 05:31:02,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-25 05:31:02,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-25 05:31:02,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 633 transitions. [2023-08-25 05:31:02,981 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4178217821782178 [2023-08-25 05:31:02,981 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 633 transitions. [2023-08-25 05:31:02,981 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 633 transitions. [2023-08-25 05:31:02,982 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 05:31:02,982 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 633 transitions. [2023-08-25 05:31:02,983 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 211.0) internal successors, (633), 3 states have internal predecessors, (633), 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 05:31:02,987 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 505.0) internal successors, (2020), 4 states have internal predecessors, (2020), 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 05:31:02,988 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 505.0) internal successors, (2020), 4 states have internal predecessors, (2020), 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 05:31:02,988 INFO L175 Difference]: Start difference. First operand has 24 places, 23 transitions, 50 flow. Second operand 3 states and 633 transitions. [2023-08-25 05:31:02,988 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 24 places, 26 transitions, 107 flow [2023-08-25 05:31:02,988 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 24 places, 26 transitions, 107 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-25 05:31:02,989 INFO L231 Difference]: Finished difference. Result has 25 places, 23 transitions, 60 flow [2023-08-25 05:31:02,989 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=505, PETRI_DIFFERENCE_MINUEND_FLOW=46, PETRI_DIFFERENCE_MINUEND_PLACES=22, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=60, PETRI_PLACES=25, PETRI_TRANSITIONS=23} [2023-08-25 05:31:02,989 INFO L281 CegarLoopForPetriNet]: 60 programPoint places, -35 predicate places. [2023-08-25 05:31:02,989 INFO L495 AbstractCegarLoop]: Abstraction has has 25 places, 23 transitions, 60 flow [2023-08-25 05:31:02,990 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 203.33333333333334) internal successors, (610), 3 states have internal predecessors, (610), 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 05:31:02,990 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 05:31:02,990 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-08-25 05:31:02,990 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-25 05:31:02,990 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2023-08-25 05:31:02,991 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 05:31:02,991 INFO L85 PathProgramCache]: Analyzing trace with hash -1895375117, now seen corresponding path program 1 times [2023-08-25 05:31:02,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 05:31:02,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013065647] [2023-08-25 05:31:02,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 05:31:02,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 05:31:03,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 05:31:03,034 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 05:31:03,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 05:31:03,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013065647] [2023-08-25 05:31:03,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2013065647] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 05:31:03,035 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 05:31:03,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-25 05:31:03,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553501579] [2023-08-25 05:31:03,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 05:31:03,036 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-25 05:31:03,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 05:31:03,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-25 05:31:03,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-25 05:31:03,037 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 199 out of 505 [2023-08-25 05:31:03,037 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 25 places, 23 transitions, 60 flow. Second operand has 3 states, 3 states have (on average 201.0) internal successors, (603), 3 states have internal predecessors, (603), 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 05:31:03,038 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 05:31:03,038 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 199 of 505 [2023-08-25 05:31:03,038 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 05:31:03,075 INFO L124 PetriNetUnfolderBase]: 108/183 cut-off events. [2023-08-25 05:31:03,075 INFO L125 PetriNetUnfolderBase]: For 24/24 co-relation queries the response was YES. [2023-08-25 05:31:03,075 INFO L83 FinitePrefix]: Finished finitePrefix Result has 414 conditions, 183 events. 108/183 cut-off events. For 24/24 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 566 event pairs, 29 based on Foata normal form. 0/149 useless extension candidates. Maximal degree in co-relation 410. Up to 102 conditions per place. [2023-08-25 05:31:03,076 INFO L140 encePairwiseOnDemand]: 501/505 looper letters, 26 selfloop transitions, 3 changer transitions 0/29 dead transitions. [2023-08-25 05:31:03,076 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 26 places, 29 transitions, 133 flow [2023-08-25 05:31:03,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-25 05:31:03,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-25 05:31:03,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 625 transitions. [2023-08-25 05:31:03,077 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41254125412541254 [2023-08-25 05:31:03,077 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 625 transitions. [2023-08-25 05:31:03,077 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 625 transitions. [2023-08-25 05:31:03,078 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 05:31:03,078 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 625 transitions. [2023-08-25 05:31:03,079 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 208.33333333333334) internal successors, (625), 3 states have internal predecessors, (625), 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 05:31:03,081 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 505.0) internal successors, (2020), 4 states have internal predecessors, (2020), 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 05:31:03,081 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 505.0) internal successors, (2020), 4 states have internal predecessors, (2020), 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 05:31:03,081 INFO L175 Difference]: Start difference. First operand has 25 places, 23 transitions, 60 flow. Second operand 3 states and 625 transitions. [2023-08-25 05:31:03,082 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 26 places, 29 transitions, 133 flow [2023-08-25 05:31:03,082 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 26 places, 29 transitions, 133 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-25 05:31:03,082 INFO L231 Difference]: Finished difference. Result has 26 places, 22 transitions, 64 flow [2023-08-25 05:31:03,082 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=505, PETRI_DIFFERENCE_MINUEND_FLOW=58, PETRI_DIFFERENCE_MINUEND_PLACES=24, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=64, PETRI_PLACES=26, PETRI_TRANSITIONS=22} [2023-08-25 05:31:03,083 INFO L281 CegarLoopForPetriNet]: 60 programPoint places, -34 predicate places. [2023-08-25 05:31:03,083 INFO L495 AbstractCegarLoop]: Abstraction has has 26 places, 22 transitions, 64 flow [2023-08-25 05:31:03,083 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 201.0) internal successors, (603), 3 states have internal predecessors, (603), 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 05:31:03,084 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 05:31:03,084 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 05:31:03,084 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-25 05:31:03,084 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2023-08-25 05:31:03,084 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 05:31:03,084 INFO L85 PathProgramCache]: Analyzing trace with hash -1899957884, now seen corresponding path program 1 times [2023-08-25 05:31:03,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 05:31:03,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112915164] [2023-08-25 05:31:03,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 05:31:03,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 05:31:03,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 05:31:03,240 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 05:31:03,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 05:31:03,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112915164] [2023-08-25 05:31:03,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2112915164] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 05:31:03,241 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 05:31:03,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-25 05:31:03,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212769270] [2023-08-25 05:31:03,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 05:31:03,241 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-25 05:31:03,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 05:31:03,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-25 05:31:03,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-25 05:31:03,242 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 205 out of 505 [2023-08-25 05:31:03,243 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 26 places, 22 transitions, 64 flow. Second operand has 3 states, 3 states have (on average 209.33333333333334) internal successors, (628), 3 states have internal predecessors, (628), 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 05:31:03,243 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 05:31:03,243 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 205 of 505 [2023-08-25 05:31:03,243 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 05:31:03,297 INFO L124 PetriNetUnfolderBase]: 191/321 cut-off events. [2023-08-25 05:31:03,297 INFO L125 PetriNetUnfolderBase]: For 48/48 co-relation queries the response was YES. [2023-08-25 05:31:03,298 INFO L83 FinitePrefix]: Finished finitePrefix Result has 761 conditions, 321 events. 191/321 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 1039 event pairs, 51 based on Foata normal form. 1/276 useless extension candidates. Maximal degree in co-relation 756. Up to 205 conditions per place. [2023-08-25 05:31:03,299 INFO L140 encePairwiseOnDemand]: 500/505 looper letters, 33 selfloop transitions, 4 changer transitions 1/38 dead transitions. [2023-08-25 05:31:03,299 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 28 places, 38 transitions, 183 flow [2023-08-25 05:31:03,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-25 05:31:03,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-25 05:31:03,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 652 transitions. [2023-08-25 05:31:03,301 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4303630363036304 [2023-08-25 05:31:03,301 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 652 transitions. [2023-08-25 05:31:03,301 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 652 transitions. [2023-08-25 05:31:03,301 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 05:31:03,301 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 652 transitions. [2023-08-25 05:31:03,303 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 217.33333333333334) internal successors, (652), 3 states have internal predecessors, (652), 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 05:31:03,305 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 505.0) internal successors, (2020), 4 states have internal predecessors, (2020), 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 05:31:03,306 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 505.0) internal successors, (2020), 4 states have internal predecessors, (2020), 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 05:31:03,306 INFO L175 Difference]: Start difference. First operand has 26 places, 22 transitions, 64 flow. Second operand 3 states and 652 transitions. [2023-08-25 05:31:03,306 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 28 places, 38 transitions, 183 flow [2023-08-25 05:31:03,307 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 26 places, 38 transitions, 173 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-25 05:31:03,307 INFO L231 Difference]: Finished difference. Result has 27 places, 25 transitions, 84 flow [2023-08-25 05:31:03,307 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=505, PETRI_DIFFERENCE_MINUEND_FLOW=58, PETRI_DIFFERENCE_MINUEND_PLACES=24, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=84, PETRI_PLACES=27, PETRI_TRANSITIONS=25} [2023-08-25 05:31:03,308 INFO L281 CegarLoopForPetriNet]: 60 programPoint places, -33 predicate places. [2023-08-25 05:31:03,308 INFO L495 AbstractCegarLoop]: Abstraction has has 27 places, 25 transitions, 84 flow [2023-08-25 05:31:03,308 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 209.33333333333334) internal successors, (628), 3 states have internal predecessors, (628), 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 05:31:03,309 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 05:31:03,309 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 05:31:03,309 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-25 05:31:03,309 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2023-08-25 05:31:03,309 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 05:31:03,309 INFO L85 PathProgramCache]: Analyzing trace with hash -1402970057, now seen corresponding path program 1 times [2023-08-25 05:31:03,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 05:31:03,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58449938] [2023-08-25 05:31:03,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 05:31:03,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 05:31:03,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 05:31:03,420 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 05:31:03,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 05:31:03,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58449938] [2023-08-25 05:31:03,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [58449938] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 05:31:03,420 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 05:31:03,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-25 05:31:03,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186580464] [2023-08-25 05:31:03,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 05:31:03,421 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-25 05:31:03,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 05:31:03,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-25 05:31:03,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-08-25 05:31:03,422 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 195 out of 505 [2023-08-25 05:31:03,423 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 27 places, 25 transitions, 84 flow. Second operand has 4 states, 4 states have (on average 199.0) internal successors, (796), 4 states have internal predecessors, (796), 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 05:31:03,423 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 05:31:03,423 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 195 of 505 [2023-08-25 05:31:03,423 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 05:31:03,542 INFO L124 PetriNetUnfolderBase]: 203/347 cut-off events. [2023-08-25 05:31:03,542 INFO L125 PetriNetUnfolderBase]: For 60/60 co-relation queries the response was YES. [2023-08-25 05:31:03,542 INFO L83 FinitePrefix]: Finished finitePrefix Result has 873 conditions, 347 events. 203/347 cut-off events. For 60/60 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 1181 event pairs, 36 based on Foata normal form. 0/283 useless extension candidates. Maximal degree in co-relation 867. Up to 157 conditions per place. [2023-08-25 05:31:03,543 INFO L140 encePairwiseOnDemand]: 497/505 looper letters, 48 selfloop transitions, 11 changer transitions 6/65 dead transitions. [2023-08-25 05:31:03,544 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 65 transitions, 328 flow [2023-08-25 05:31:03,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-25 05:31:03,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-25 05:31:03,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1036 transitions. [2023-08-25 05:31:03,546 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4102970297029703 [2023-08-25 05:31:03,546 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1036 transitions. [2023-08-25 05:31:03,546 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1036 transitions. [2023-08-25 05:31:03,546 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 05:31:03,546 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1036 transitions. [2023-08-25 05:31:03,548 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 207.2) internal successors, (1036), 5 states have internal predecessors, (1036), 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 05:31:03,551 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 505.0) internal successors, (3030), 6 states have internal predecessors, (3030), 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 05:31:03,552 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 505.0) internal successors, (3030), 6 states have internal predecessors, (3030), 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 05:31:03,552 INFO L175 Difference]: Start difference. First operand has 27 places, 25 transitions, 84 flow. Second operand 5 states and 1036 transitions. [2023-08-25 05:31:03,552 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 65 transitions, 328 flow [2023-08-25 05:31:03,553 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 30 places, 65 transitions, 321 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-25 05:31:03,554 INFO L231 Difference]: Finished difference. Result has 33 places, 33 transitions, 152 flow [2023-08-25 05:31:03,554 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=505, PETRI_DIFFERENCE_MINUEND_FLOW=80, PETRI_DIFFERENCE_MINUEND_PLACES=26, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=152, PETRI_PLACES=33, PETRI_TRANSITIONS=33} [2023-08-25 05:31:03,554 INFO L281 CegarLoopForPetriNet]: 60 programPoint places, -27 predicate places. [2023-08-25 05:31:03,554 INFO L495 AbstractCegarLoop]: Abstraction has has 33 places, 33 transitions, 152 flow [2023-08-25 05:31:03,555 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 199.0) internal successors, (796), 4 states have internal predecessors, (796), 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 05:31:03,555 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 05:31:03,555 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 05:31:03,555 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-25 05:31:03,555 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2023-08-25 05:31:03,556 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 05:31:03,556 INFO L85 PathProgramCache]: Analyzing trace with hash -1516200189, now seen corresponding path program 2 times [2023-08-25 05:31:03,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 05:31:03,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452693255] [2023-08-25 05:31:03,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 05:31:03,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 05:31:03,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 05:31:03,610 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 05:31:03,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 05:31:03,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452693255] [2023-08-25 05:31:03,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1452693255] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 05:31:03,610 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 05:31:03,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-25 05:31:03,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889041323] [2023-08-25 05:31:03,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 05:31:03,611 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-25 05:31:03,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 05:31:03,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-25 05:31:03,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-08-25 05:31:03,612 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 195 out of 505 [2023-08-25 05:31:03,613 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 33 transitions, 152 flow. Second operand has 4 states, 4 states have (on average 199.0) internal successors, (796), 4 states have internal predecessors, (796), 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 05:31:03,613 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 05:31:03,613 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 195 of 505 [2023-08-25 05:31:03,613 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 05:31:03,719 INFO L124 PetriNetUnfolderBase]: 229/391 cut-off events. [2023-08-25 05:31:03,719 INFO L125 PetriNetUnfolderBase]: For 214/214 co-relation queries the response was YES. [2023-08-25 05:31:03,720 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1185 conditions, 391 events. 229/391 cut-off events. For 214/214 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 1395 event pairs, 18 based on Foata normal form. 10/373 useless extension candidates. Maximal degree in co-relation 1176. Up to 122 conditions per place. [2023-08-25 05:31:03,721 INFO L140 encePairwiseOnDemand]: 497/505 looper letters, 48 selfloop transitions, 16 changer transitions 5/69 dead transitions. [2023-08-25 05:31:03,721 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 69 transitions, 425 flow [2023-08-25 05:31:03,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-25 05:31:03,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-25 05:31:03,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1033 transitions. [2023-08-25 05:31:03,724 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4091089108910891 [2023-08-25 05:31:03,724 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1033 transitions. [2023-08-25 05:31:03,724 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1033 transitions. [2023-08-25 05:31:03,724 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 05:31:03,724 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1033 transitions. [2023-08-25 05:31:03,726 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 206.6) internal successors, (1033), 5 states have internal predecessors, (1033), 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 05:31:03,729 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 505.0) internal successors, (3030), 6 states have internal predecessors, (3030), 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 05:31:03,730 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 505.0) internal successors, (3030), 6 states have internal predecessors, (3030), 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 05:31:03,730 INFO L175 Difference]: Start difference. First operand has 33 places, 33 transitions, 152 flow. Second operand 5 states and 1033 transitions. [2023-08-25 05:31:03,730 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 69 transitions, 425 flow [2023-08-25 05:31:03,732 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 69 transitions, 425 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-25 05:31:03,733 INFO L231 Difference]: Finished difference. Result has 41 places, 41 transitions, 272 flow [2023-08-25 05:31:03,733 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=505, PETRI_DIFFERENCE_MINUEND_FLOW=145, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=272, PETRI_PLACES=41, PETRI_TRANSITIONS=41} [2023-08-25 05:31:03,733 INFO L281 CegarLoopForPetriNet]: 60 programPoint places, -19 predicate places. [2023-08-25 05:31:03,733 INFO L495 AbstractCegarLoop]: Abstraction has has 41 places, 41 transitions, 272 flow [2023-08-25 05:31:03,734 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 199.0) internal successors, (796), 4 states have internal predecessors, (796), 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 05:31:03,734 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 05:31:03,734 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 05:31:03,734 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-25 05:31:03,734 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2023-08-25 05:31:03,735 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 05:31:03,735 INFO L85 PathProgramCache]: Analyzing trace with hash -1422042515, now seen corresponding path program 1 times [2023-08-25 05:31:03,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 05:31:03,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841748089] [2023-08-25 05:31:03,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 05:31:03,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 05:31:03,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 05:31:03,815 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 05:31:03,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 05:31:03,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841748089] [2023-08-25 05:31:03,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [841748089] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 05:31:03,815 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 05:31:03,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-25 05:31:03,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138710486] [2023-08-25 05:31:03,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 05:31:03,816 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-25 05:31:03,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 05:31:03,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-25 05:31:03,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-08-25 05:31:03,838 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 195 out of 505 [2023-08-25 05:31:03,839 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 41 transitions, 272 flow. Second operand has 4 states, 4 states have (on average 199.25) internal successors, (797), 4 states have internal predecessors, (797), 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 05:31:03,839 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 05:31:03,839 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 195 of 505 [2023-08-25 05:31:03,839 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 05:31:03,941 INFO L124 PetriNetUnfolderBase]: 221/379 cut-off events. [2023-08-25 05:31:03,941 INFO L125 PetriNetUnfolderBase]: For 584/584 co-relation queries the response was YES. [2023-08-25 05:31:03,942 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1410 conditions, 379 events. 221/379 cut-off events. For 584/584 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 1316 event pairs, 30 based on Foata normal form. 2/355 useless extension candidates. Maximal degree in co-relation 1397. Up to 217 conditions per place. [2023-08-25 05:31:03,943 INFO L140 encePairwiseOnDemand]: 497/505 looper letters, 54 selfloop transitions, 9 changer transitions 3/66 dead transitions. [2023-08-25 05:31:03,943 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 66 transitions, 517 flow [2023-08-25 05:31:03,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-25 05:31:03,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-25 05:31:03,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1027 transitions. [2023-08-25 05:31:03,945 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4067326732673267 [2023-08-25 05:31:03,945 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1027 transitions. [2023-08-25 05:31:03,945 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1027 transitions. [2023-08-25 05:31:03,946 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 05:31:03,946 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1027 transitions. [2023-08-25 05:31:03,947 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 205.4) internal successors, (1027), 5 states have internal predecessors, (1027), 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 05:31:03,950 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 505.0) internal successors, (3030), 6 states have internal predecessors, (3030), 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 05:31:03,950 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 505.0) internal successors, (3030), 6 states have internal predecessors, (3030), 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 05:31:03,950 INFO L175 Difference]: Start difference. First operand has 41 places, 41 transitions, 272 flow. Second operand 5 states and 1027 transitions. [2023-08-25 05:31:03,950 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 66 transitions, 517 flow [2023-08-25 05:31:03,953 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 66 transitions, 513 flow, removed 2 selfloop flow, removed 0 redundant places. [2023-08-25 05:31:03,954 INFO L231 Difference]: Finished difference. Result has 47 places, 44 transitions, 325 flow [2023-08-25 05:31:03,954 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=505, PETRI_DIFFERENCE_MINUEND_FLOW=268, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=325, PETRI_PLACES=47, PETRI_TRANSITIONS=44} [2023-08-25 05:31:03,954 INFO L281 CegarLoopForPetriNet]: 60 programPoint places, -13 predicate places. [2023-08-25 05:31:03,954 INFO L495 AbstractCegarLoop]: Abstraction has has 47 places, 44 transitions, 325 flow [2023-08-25 05:31:03,955 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 199.25) internal successors, (797), 4 states have internal predecessors, (797), 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 05:31:03,955 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 05:31:03,955 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 05:31:03,955 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-25 05:31:03,955 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2023-08-25 05:31:03,956 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 05:31:03,956 INFO L85 PathProgramCache]: Analyzing trace with hash -623157193, now seen corresponding path program 2 times [2023-08-25 05:31:03,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 05:31:03,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140236551] [2023-08-25 05:31:03,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 05:31:03,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 05:31:03,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 05:31:04,017 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 05:31:04,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 05:31:04,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [140236551] [2023-08-25 05:31:04,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [140236551] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 05:31:04,017 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 05:31:04,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-25 05:31:04,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802497917] [2023-08-25 05:31:04,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 05:31:04,018 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-25 05:31:04,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 05:31:04,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-25 05:31:04,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-08-25 05:31:04,019 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 195 out of 505 [2023-08-25 05:31:04,019 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 44 transitions, 325 flow. Second operand has 4 states, 4 states have (on average 199.25) internal successors, (797), 4 states have internal predecessors, (797), 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 05:31:04,019 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 05:31:04,019 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 195 of 505 [2023-08-25 05:31:04,019 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 05:31:04,124 INFO L124 PetriNetUnfolderBase]: 258/437 cut-off events. [2023-08-25 05:31:04,125 INFO L125 PetriNetUnfolderBase]: For 1089/1089 co-relation queries the response was YES. [2023-08-25 05:31:04,125 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1732 conditions, 437 events. 258/437 cut-off events. For 1089/1089 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 1480 event pairs, 11 based on Foata normal form. 20/427 useless extension candidates. Maximal degree in co-relation 1716. Up to 183 conditions per place. [2023-08-25 05:31:04,127 INFO L140 encePairwiseOnDemand]: 497/505 looper letters, 60 selfloop transitions, 14 changer transitions 1/75 dead transitions. [2023-08-25 05:31:04,127 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 75 transitions, 633 flow [2023-08-25 05:31:04,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-25 05:31:04,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-25 05:31:04,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1032 transitions. [2023-08-25 05:31:04,130 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4087128712871287 [2023-08-25 05:31:04,130 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1032 transitions. [2023-08-25 05:31:04,130 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1032 transitions. [2023-08-25 05:31:04,130 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 05:31:04,130 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1032 transitions. [2023-08-25 05:31:04,132 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 206.4) internal successors, (1032), 5 states have internal predecessors, (1032), 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 05:31:04,134 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 505.0) internal successors, (3030), 6 states have internal predecessors, (3030), 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 05:31:04,135 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 505.0) internal successors, (3030), 6 states have internal predecessors, (3030), 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 05:31:04,135 INFO L175 Difference]: Start difference. First operand has 47 places, 44 transitions, 325 flow. Second operand 5 states and 1032 transitions. [2023-08-25 05:31:04,135 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 75 transitions, 633 flow [2023-08-25 05:31:04,137 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 75 transitions, 612 flow, removed 8 selfloop flow, removed 1 redundant places. [2023-08-25 05:31:04,138 INFO L231 Difference]: Finished difference. Result has 53 places, 47 transitions, 394 flow [2023-08-25 05:31:04,139 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=505, PETRI_DIFFERENCE_MINUEND_FLOW=297, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=394, PETRI_PLACES=53, PETRI_TRANSITIONS=47} [2023-08-25 05:31:04,139 INFO L281 CegarLoopForPetriNet]: 60 programPoint places, -7 predicate places. [2023-08-25 05:31:04,139 INFO L495 AbstractCegarLoop]: Abstraction has has 53 places, 47 transitions, 394 flow [2023-08-25 05:31:04,139 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 199.25) internal successors, (797), 4 states have internal predecessors, (797), 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 05:31:04,140 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 05:31:04,140 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 05:31:04,140 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-25 05:31:04,140 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2023-08-25 05:31:04,140 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 05:31:04,140 INFO L85 PathProgramCache]: Analyzing trace with hash 2102902254, now seen corresponding path program 1 times [2023-08-25 05:31:04,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 05:31:04,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140501014] [2023-08-25 05:31:04,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 05:31:04,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 05:31:04,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 05:31:04,243 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 05:31:04,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 05:31:04,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2140501014] [2023-08-25 05:31:04,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2140501014] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-25 05:31:04,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1125019596] [2023-08-25 05:31:04,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 05:31:04,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-25 05:31:04,244 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-25 05:31:04,273 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 05:31:04,307 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 05:31:04,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 05:31:04,392 INFO L262 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 7 conjunts are in the unsatisfiable core [2023-08-25 05:31:04,395 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-08-25 05:31:04,513 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 05:31:04,514 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-08-25 05:31:04,575 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 05:31:04,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1125019596] provided 0 perfect and 2 imperfect interpolant sequences [2023-08-25 05:31:04,575 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-08-25 05:31:04,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10 [2023-08-25 05:31:04,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134418847] [2023-08-25 05:31:04,575 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-08-25 05:31:04,576 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-25 05:31:04,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 05:31:04,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-25 05:31:04,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2023-08-25 05:31:04,577 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 195 out of 505 [2023-08-25 05:31:04,579 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 47 transitions, 394 flow. Second operand has 11 states, 11 states have (on average 200.0909090909091) internal successors, (2201), 11 states have internal predecessors, (2201), 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 05:31:04,579 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 05:31:04,579 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 195 of 505 [2023-08-25 05:31:04,579 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 05:31:04,902 INFO L124 PetriNetUnfolderBase]: 617/1022 cut-off events. [2023-08-25 05:31:04,902 INFO L125 PetriNetUnfolderBase]: For 4033/4033 co-relation queries the response was YES. [2023-08-25 05:31:04,904 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4454 conditions, 1022 events. 617/1022 cut-off events. For 4033/4033 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 3814 event pairs, 9 based on Foata normal form. 56/1012 useless extension candidates. Maximal degree in co-relation 4435. Up to 259 conditions per place. [2023-08-25 05:31:04,908 INFO L140 encePairwiseOnDemand]: 497/505 looper letters, 135 selfloop transitions, 36 changer transitions 0/171 dead transitions. [2023-08-25 05:31:04,908 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 171 transitions, 1550 flow [2023-08-25 05:31:04,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-08-25 05:31:04,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2023-08-25 05:31:04,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2881 transitions. [2023-08-25 05:31:04,913 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4074964639321075 [2023-08-25 05:31:04,913 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 2881 transitions. [2023-08-25 05:31:04,913 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 2881 transitions. [2023-08-25 05:31:04,914 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 05:31:04,914 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 2881 transitions. [2023-08-25 05:31:04,918 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 205.78571428571428) internal successors, (2881), 14 states have internal predecessors, (2881), 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 05:31:04,924 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 505.0) internal successors, (7575), 15 states have internal predecessors, (7575), 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 05:31:04,925 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 505.0) internal successors, (7575), 15 states have internal predecessors, (7575), 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 05:31:04,925 INFO L175 Difference]: Start difference. First operand has 53 places, 47 transitions, 394 flow. Second operand 14 states and 2881 transitions. [2023-08-25 05:31:04,925 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 171 transitions, 1550 flow [2023-08-25 05:31:04,931 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 171 transitions, 1528 flow, removed 9 selfloop flow, removed 1 redundant places. [2023-08-25 05:31:04,932 INFO L231 Difference]: Finished difference. Result has 73 places, 74 transitions, 833 flow [2023-08-25 05:31:04,932 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=505, PETRI_DIFFERENCE_MINUEND_FLOW=378, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=833, PETRI_PLACES=73, PETRI_TRANSITIONS=74} [2023-08-25 05:31:04,933 INFO L281 CegarLoopForPetriNet]: 60 programPoint places, 13 predicate places. [2023-08-25 05:31:04,933 INFO L495 AbstractCegarLoop]: Abstraction has has 73 places, 74 transitions, 833 flow [2023-08-25 05:31:04,934 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 200.0909090909091) internal successors, (2201), 11 states have internal predecessors, (2201), 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 05:31:04,934 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 05:31:04,934 INFO L208 CegarLoopForPetriNet]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 05:31:04,948 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 05:31:05,145 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-25 05:31:05,146 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2023-08-25 05:31:05,147 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 05:31:05,147 INFO L85 PathProgramCache]: Analyzing trace with hash -214177168, now seen corresponding path program 2 times [2023-08-25 05:31:05,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 05:31:05,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574629764] [2023-08-25 05:31:05,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 05:31:05,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 05:31:05,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 05:31:05,276 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-08-25 05:31:05,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 05:31:05,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574629764] [2023-08-25 05:31:05,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [574629764] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 05:31:05,276 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 05:31:05,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-08-25 05:31:05,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976544427] [2023-08-25 05:31:05,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 05:31:05,277 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-25 05:31:05,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 05:31:05,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-25 05:31:05,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-08-25 05:31:05,278 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 206 out of 505 [2023-08-25 05:31:05,279 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 74 transitions, 833 flow. Second operand has 4 states, 4 states have (on average 212.25) internal successors, (849), 4 states have internal predecessors, (849), 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 05:31:05,279 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 05:31:05,279 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 206 of 505 [2023-08-25 05:31:05,279 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 05:31:05,547 INFO L124 PetriNetUnfolderBase]: 1162/1979 cut-off events. [2023-08-25 05:31:05,547 INFO L125 PetriNetUnfolderBase]: For 13431/13431 co-relation queries the response was YES. [2023-08-25 05:31:05,554 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10020 conditions, 1979 events. 1162/1979 cut-off events. For 13431/13431 co-relation queries the response was YES. Maximal size of possible extension queue 70. Compared 9508 event pairs, 430 based on Foata normal form. 0/1913 useless extension candidates. Maximal degree in co-relation 9993. Up to 786 conditions per place. [2023-08-25 05:31:05,563 INFO L140 encePairwiseOnDemand]: 502/505 looper letters, 143 selfloop transitions, 35 changer transitions 0/178 dead transitions. [2023-08-25 05:31:05,564 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 178 transitions, 2437 flow [2023-08-25 05:31:05,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-08-25 05:31:05,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-08-25 05:31:05,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 877 transitions. [2023-08-25 05:31:05,566 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43415841584158416 [2023-08-25 05:31:05,566 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 877 transitions. [2023-08-25 05:31:05,566 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 877 transitions. [2023-08-25 05:31:05,566 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 05:31:05,566 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 877 transitions. [2023-08-25 05:31:05,568 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 219.25) internal successors, (877), 4 states have internal predecessors, (877), 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 05:31:05,570 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 505.0) internal successors, (2525), 5 states have internal predecessors, (2525), 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 05:31:05,571 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 505.0) internal successors, (2525), 5 states have internal predecessors, (2525), 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 05:31:05,571 INFO L175 Difference]: Start difference. First operand has 73 places, 74 transitions, 833 flow. Second operand 4 states and 877 transitions. [2023-08-25 05:31:05,571 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 178 transitions, 2437 flow [2023-08-25 05:31:05,593 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 178 transitions, 2290 flow, removed 68 selfloop flow, removed 2 redundant places. [2023-08-25 05:31:05,595 INFO L231 Difference]: Finished difference. Result has 77 places, 106 transitions, 1334 flow [2023-08-25 05:31:05,596 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=505, PETRI_DIFFERENCE_MINUEND_FLOW=773, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=1334, PETRI_PLACES=77, PETRI_TRANSITIONS=106} [2023-08-25 05:31:05,597 INFO L281 CegarLoopForPetriNet]: 60 programPoint places, 17 predicate places. [2023-08-25 05:31:05,597 INFO L495 AbstractCegarLoop]: Abstraction has has 77 places, 106 transitions, 1334 flow [2023-08-25 05:31:05,597 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 212.25) internal successors, (849), 4 states have internal predecessors, (849), 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 05:31:05,597 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 05:31:05,597 INFO L208 CegarLoopForPetriNet]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 05:31:05,598 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-08-25 05:31:05,598 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2023-08-25 05:31:05,599 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 05:31:05,599 INFO L85 PathProgramCache]: Analyzing trace with hash -1079686784, now seen corresponding path program 1 times [2023-08-25 05:31:05,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 05:31:05,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220126053] [2023-08-25 05:31:05,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 05:31:05,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 05:31:05,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 05:31:06,008 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-08-25 05:31:06,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 05:31:06,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220126053] [2023-08-25 05:31:06,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [220126053] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-25 05:31:06,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [529710256] [2023-08-25 05:31:06,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 05:31:06,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-25 05:31:06,009 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-25 05:31:06,013 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 05:31:06,015 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 05:31:06,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 05:31:06,114 INFO L262 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 18 conjunts are in the unsatisfiable core [2023-08-25 05:31:06,116 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-08-25 05:31:06,363 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-08-25 05:31:06,364 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-08-25 05:31:06,583 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-08-25 05:31:06,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [529710256] provided 0 perfect and 2 imperfect interpolant sequences [2023-08-25 05:31:06,583 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-08-25 05:31:06,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 6, 6] total 11 [2023-08-25 05:31:06,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043146499] [2023-08-25 05:31:06,584 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-08-25 05:31:06,585 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-25 05:31:06,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 05:31:06,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-25 05:31:06,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2023-08-25 05:31:06,587 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 195 out of 505 [2023-08-25 05:31:06,599 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 106 transitions, 1334 flow. Second operand has 13 states, 13 states have (on average 198.76923076923077) internal successors, (2584), 13 states have internal predecessors, (2584), 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 05:31:06,600 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 05:31:06,600 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 195 of 505 [2023-08-25 05:31:06,600 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 05:31:07,692 INFO L124 PetriNetUnfolderBase]: 2553/4406 cut-off events. [2023-08-25 05:31:07,692 INFO L125 PetriNetUnfolderBase]: For 35867/35867 co-relation queries the response was YES. [2023-08-25 05:31:07,706 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23071 conditions, 4406 events. 2553/4406 cut-off events. For 35867/35867 co-relation queries the response was YES. Maximal size of possible extension queue 166. Compared 25548 event pairs, 185 based on Foata normal form. 38/4444 useless extension candidates. Maximal degree in co-relation 23041. Up to 880 conditions per place. [2023-08-25 05:31:07,730 INFO L140 encePairwiseOnDemand]: 497/505 looper letters, 241 selfloop transitions, 194 changer transitions 1/436 dead transitions. [2023-08-25 05:31:07,730 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 436 transitions, 5985 flow [2023-08-25 05:31:07,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-08-25 05:31:07,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2023-08-25 05:31:07,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2889 transitions. [2023-08-25 05:31:07,735 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4086280056577086 [2023-08-25 05:31:07,735 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 2889 transitions. [2023-08-25 05:31:07,735 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 2889 transitions. [2023-08-25 05:31:07,736 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 05:31:07,736 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 2889 transitions. [2023-08-25 05:31:07,740 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 206.35714285714286) internal successors, (2889), 14 states have internal predecessors, (2889), 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 05:31:07,746 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 505.0) internal successors, (7575), 15 states have internal predecessors, (7575), 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 05:31:07,747 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 505.0) internal successors, (7575), 15 states have internal predecessors, (7575), 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 05:31:07,747 INFO L175 Difference]: Start difference. First operand has 77 places, 106 transitions, 1334 flow. Second operand 14 states and 2889 transitions. [2023-08-25 05:31:07,747 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 436 transitions, 5985 flow [2023-08-25 05:31:07,804 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 436 transitions, 5985 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-25 05:31:07,810 INFO L231 Difference]: Finished difference. Result has 93 places, 269 transitions, 4113 flow [2023-08-25 05:31:07,810 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=505, PETRI_DIFFERENCE_MINUEND_FLOW=1320, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=105, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=68, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=4113, PETRI_PLACES=93, PETRI_TRANSITIONS=269} [2023-08-25 05:31:07,811 INFO L281 CegarLoopForPetriNet]: 60 programPoint places, 33 predicate places. [2023-08-25 05:31:07,811 INFO L495 AbstractCegarLoop]: Abstraction has has 93 places, 269 transitions, 4113 flow [2023-08-25 05:31:07,811 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 198.76923076923077) internal successors, (2584), 13 states have internal predecessors, (2584), 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 05:31:07,811 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 05:31:07,812 INFO L208 CegarLoopForPetriNet]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 05:31:07,820 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 05:31:08,016 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,SelfDestructingSolverStorable10 [2023-08-25 05:31:08,016 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2023-08-25 05:31:08,017 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 05:31:08,017 INFO L85 PathProgramCache]: Analyzing trace with hash 1763495928, now seen corresponding path program 1 times [2023-08-25 05:31:08,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 05:31:08,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027084424] [2023-08-25 05:31:08,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 05:31:08,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 05:31:08,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 05:31:08,191 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-08-25 05:31:08,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 05:31:08,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027084424] [2023-08-25 05:31:08,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2027084424] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 05:31:08,192 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 05:31:08,192 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-08-25 05:31:08,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39624441] [2023-08-25 05:31:08,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 05:31:08,193 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-25 05:31:08,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 05:31:08,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-25 05:31:08,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-08-25 05:31:08,194 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 206 out of 505 [2023-08-25 05:31:08,195 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 269 transitions, 4113 flow. Second operand has 4 states, 4 states have (on average 212.25) internal successors, (849), 4 states have internal predecessors, (849), 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 05:31:08,195 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 05:31:08,195 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 206 of 505 [2023-08-25 05:31:08,195 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 05:31:08,778 INFO L124 PetriNetUnfolderBase]: 1836/3186 cut-off events. [2023-08-25 05:31:08,778 INFO L125 PetriNetUnfolderBase]: For 30030/30030 co-relation queries the response was YES. [2023-08-25 05:31:08,788 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17870 conditions, 3186 events. 1836/3186 cut-off events. For 30030/30030 co-relation queries the response was YES. Maximal size of possible extension queue 104. Compared 16984 event pairs, 415 based on Foata normal form. 36/3222 useless extension candidates. Maximal degree in co-relation 17837. Up to 1365 conditions per place. [2023-08-25 05:31:08,804 INFO L140 encePairwiseOnDemand]: 503/505 looper letters, 206 selfloop transitions, 70 changer transitions 0/276 dead transitions. [2023-08-25 05:31:08,804 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 276 transitions, 4518 flow [2023-08-25 05:31:08,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-08-25 05:31:08,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-08-25 05:31:08,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 871 transitions. [2023-08-25 05:31:08,806 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4311881188118812 [2023-08-25 05:31:08,806 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 871 transitions. [2023-08-25 05:31:08,806 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 871 transitions. [2023-08-25 05:31:08,807 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 05:31:08,807 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 871 transitions. [2023-08-25 05:31:08,808 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 217.75) internal successors, (871), 4 states have internal predecessors, (871), 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 05:31:08,809 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 505.0) internal successors, (2525), 5 states have internal predecessors, (2525), 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 05:31:08,810 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 505.0) internal successors, (2525), 5 states have internal predecessors, (2525), 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 05:31:08,810 INFO L175 Difference]: Start difference. First operand has 93 places, 269 transitions, 4113 flow. Second operand 4 states and 871 transitions. [2023-08-25 05:31:08,810 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 276 transitions, 4518 flow [2023-08-25 05:31:08,851 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 276 transitions, 4215 flow, removed 104 selfloop flow, removed 1 redundant places. [2023-08-25 05:31:08,856 INFO L231 Difference]: Finished difference. Result has 96 places, 231 transitions, 3428 flow [2023-08-25 05:31:08,856 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=505, PETRI_DIFFERENCE_MINUEND_FLOW=3112, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=223, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=62, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=153, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=3428, PETRI_PLACES=96, PETRI_TRANSITIONS=231} [2023-08-25 05:31:08,857 INFO L281 CegarLoopForPetriNet]: 60 programPoint places, 36 predicate places. [2023-08-25 05:31:08,857 INFO L495 AbstractCegarLoop]: Abstraction has has 96 places, 231 transitions, 3428 flow [2023-08-25 05:31:08,858 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 212.25) internal successors, (849), 4 states have internal predecessors, (849), 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 05:31:08,858 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 05:31:08,858 INFO L208 CegarLoopForPetriNet]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 05:31:08,858 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-08-25 05:31:08,858 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2023-08-25 05:31:08,858 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 05:31:08,858 INFO L85 PathProgramCache]: Analyzing trace with hash 1687942578, now seen corresponding path program 2 times [2023-08-25 05:31:08,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 05:31:08,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610306956] [2023-08-25 05:31:08,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 05:31:08,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 05:31:08,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 05:31:09,211 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-08-25 05:31:09,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 05:31:09,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1610306956] [2023-08-25 05:31:09,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1610306956] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-25 05:31:09,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [480131614] [2023-08-25 05:31:09,212 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-08-25 05:31:09,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-25 05:31:09,212 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-25 05:31:09,213 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 05:31:09,243 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 05:31:09,322 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-08-25 05:31:09,322 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-08-25 05:31:09,323 INFO L262 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 18 conjunts are in the unsatisfiable core [2023-08-25 05:31:09,325 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-08-25 05:31:09,590 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-08-25 05:31:09,590 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-08-25 05:31:09,863 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-08-25 05:31:09,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [480131614] provided 0 perfect and 2 imperfect interpolant sequences [2023-08-25 05:31:09,864 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-08-25 05:31:09,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 6, 6] total 11 [2023-08-25 05:31:09,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623500217] [2023-08-25 05:31:09,866 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-08-25 05:31:09,866 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-25 05:31:09,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 05:31:09,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-25 05:31:09,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2023-08-25 05:31:09,871 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 195 out of 505 [2023-08-25 05:31:09,873 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 231 transitions, 3428 flow. Second operand has 13 states, 13 states have (on average 198.92307692307693) internal successors, (2586), 13 states have internal predecessors, (2586), 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 05:31:09,873 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 05:31:09,873 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 195 of 505 [2023-08-25 05:31:09,873 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 05:31:11,148 INFO L124 PetriNetUnfolderBase]: 2609/4540 cut-off events. [2023-08-25 05:31:11,149 INFO L125 PetriNetUnfolderBase]: For 40561/40561 co-relation queries the response was YES. [2023-08-25 05:31:11,167 INFO L83 FinitePrefix]: Finished finitePrefix Result has 25041 conditions, 4540 events. 2609/4540 cut-off events. For 40561/40561 co-relation queries the response was YES. Maximal size of possible extension queue 146. Compared 25828 event pairs, 321 based on Foata normal form. 1/4541 useless extension candidates. Maximal degree in co-relation 25006. Up to 1403 conditions per place. [2023-08-25 05:31:11,184 INFO L140 encePairwiseOnDemand]: 497/505 looper letters, 303 selfloop transitions, 178 changer transitions 1/482 dead transitions. [2023-08-25 05:31:11,184 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 108 places, 482 transitions, 7337 flow [2023-08-25 05:31:11,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-08-25 05:31:11,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2023-08-25 05:31:11,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 2678 transitions. [2023-08-25 05:31:11,189 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4079207920792079 [2023-08-25 05:31:11,189 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 2678 transitions. [2023-08-25 05:31:11,189 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 2678 transitions. [2023-08-25 05:31:11,190 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 05:31:11,190 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 2678 transitions. [2023-08-25 05:31:11,194 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 206.0) internal successors, (2678), 13 states have internal predecessors, (2678), 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 05:31:11,199 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 505.0) internal successors, (7070), 14 states have internal predecessors, (7070), 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 05:31:11,200 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 505.0) internal successors, (7070), 14 states have internal predecessors, (7070), 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 05:31:11,200 INFO L175 Difference]: Start difference. First operand has 96 places, 231 transitions, 3428 flow. Second operand 13 states and 2678 transitions. [2023-08-25 05:31:11,200 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 108 places, 482 transitions, 7337 flow [2023-08-25 05:31:11,281 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 108 places, 482 transitions, 7333 flow, removed 2 selfloop flow, removed 0 redundant places. [2023-08-25 05:31:11,291 INFO L231 Difference]: Finished difference. Result has 112 places, 314 transitions, 5191 flow [2023-08-25 05:31:11,291 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=505, PETRI_DIFFERENCE_MINUEND_FLOW=3424, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=231, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=111, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=108, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=5191, PETRI_PLACES=112, PETRI_TRANSITIONS=314} [2023-08-25 05:31:11,292 INFO L281 CegarLoopForPetriNet]: 60 programPoint places, 52 predicate places. [2023-08-25 05:31:11,292 INFO L495 AbstractCegarLoop]: Abstraction has has 112 places, 314 transitions, 5191 flow [2023-08-25 05:31:11,293 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 198.92307692307693) internal successors, (2586), 13 states have internal predecessors, (2586), 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 05:31:11,293 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 05:31:11,293 INFO L208 CegarLoopForPetriNet]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 05:31:11,299 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-08-25 05:31:11,499 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-25 05:31:11,499 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2023-08-25 05:31:11,500 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 05:31:11,500 INFO L85 PathProgramCache]: Analyzing trace with hash -1233597440, now seen corresponding path program 3 times [2023-08-25 05:31:11,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 05:31:11,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437688101] [2023-08-25 05:31:11,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 05:31:11,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 05:31:11,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 05:31:11,833 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-08-25 05:31:11,833 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 05:31:11,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437688101] [2023-08-25 05:31:11,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [437688101] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-25 05:31:11,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1537775150] [2023-08-25 05:31:11,833 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-08-25 05:31:11,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-25 05:31:11,834 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-25 05:31:11,841 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 05:31:11,843 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 05:31:11,940 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2023-08-25 05:31:11,940 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-08-25 05:31:11,941 INFO L262 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 18 conjunts are in the unsatisfiable core [2023-08-25 05:31:11,943 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-08-25 05:31:12,150 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-08-25 05:31:12,150 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-08-25 05:31:12,371 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 11 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-08-25 05:31:12,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1537775150] provided 0 perfect and 2 imperfect interpolant sequences [2023-08-25 05:31:12,373 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-08-25 05:31:12,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 6, 6] total 11 [2023-08-25 05:31:12,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564630505] [2023-08-25 05:31:12,374 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-08-25 05:31:12,374 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-25 05:31:12,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 05:31:12,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-25 05:31:12,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2023-08-25 05:31:12,377 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 195 out of 505 [2023-08-25 05:31:12,379 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 112 places, 314 transitions, 5191 flow. Second operand has 13 states, 13 states have (on average 198.92307692307693) internal successors, (2586), 13 states have internal predecessors, (2586), 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 05:31:12,379 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 05:31:12,380 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 195 of 505 [2023-08-25 05:31:12,380 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 05:31:13,913 INFO L124 PetriNetUnfolderBase]: 3528/6144 cut-off events. [2023-08-25 05:31:13,914 INFO L125 PetriNetUnfolderBase]: For 60944/60944 co-relation queries the response was YES. [2023-08-25 05:31:13,944 INFO L83 FinitePrefix]: Finished finitePrefix Result has 35710 conditions, 6144 events. 3528/6144 cut-off events. For 60944/60944 co-relation queries the response was YES. Maximal size of possible extension queue 189. Compared 37508 event pairs, 317 based on Foata normal form. 1/6145 useless extension candidates. Maximal degree in co-relation 35670. Up to 2504 conditions per place. [2023-08-25 05:31:13,979 INFO L140 encePairwiseOnDemand]: 497/505 looper letters, 351 selfloop transitions, 244 changer transitions 1/596 dead transitions. [2023-08-25 05:31:13,979 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 124 places, 596 transitions, 10012 flow [2023-08-25 05:31:13,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-08-25 05:31:13,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2023-08-25 05:31:13,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 2683 transitions. [2023-08-25 05:31:13,986 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4086824067022087 [2023-08-25 05:31:13,986 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 2683 transitions. [2023-08-25 05:31:13,986 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 2683 transitions. [2023-08-25 05:31:13,987 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 05:31:13,987 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 2683 transitions. [2023-08-25 05:31:13,992 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 206.3846153846154) internal successors, (2683), 13 states have internal predecessors, (2683), 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 05:31:13,999 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 505.0) internal successors, (7070), 14 states have internal predecessors, (7070), 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 05:31:14,000 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 505.0) internal successors, (7070), 14 states have internal predecessors, (7070), 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 05:31:14,001 INFO L175 Difference]: Start difference. First operand has 112 places, 314 transitions, 5191 flow. Second operand 13 states and 2683 transitions. [2023-08-25 05:31:14,001 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 124 places, 596 transitions, 10012 flow [2023-08-25 05:31:14,136 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 596 transitions, 9920 flow, removed 46 selfloop flow, removed 0 redundant places. [2023-08-25 05:31:14,145 INFO L231 Difference]: Finished difference. Result has 131 places, 436 transitions, 8126 flow [2023-08-25 05:31:14,145 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=505, PETRI_DIFFERENCE_MINUEND_FLOW=5127, PETRI_DIFFERENCE_MINUEND_PLACES=112, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=314, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=145, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=123, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=8126, PETRI_PLACES=131, PETRI_TRANSITIONS=436} [2023-08-25 05:31:14,146 INFO L281 CegarLoopForPetriNet]: 60 programPoint places, 71 predicate places. [2023-08-25 05:31:14,146 INFO L495 AbstractCegarLoop]: Abstraction has has 131 places, 436 transitions, 8126 flow [2023-08-25 05:31:14,147 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 198.92307692307693) internal successors, (2586), 13 states have internal predecessors, (2586), 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 05:31:14,147 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 05:31:14,147 INFO L208 CegarLoopForPetriNet]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 05:31:14,153 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 05:31:14,352 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-25 05:31:14,353 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2023-08-25 05:31:14,353 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 05:31:14,353 INFO L85 PathProgramCache]: Analyzing trace with hash -617970906, now seen corresponding path program 4 times [2023-08-25 05:31:14,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 05:31:14,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742914467] [2023-08-25 05:31:14,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 05:31:14,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 05:31:14,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 05:31:14,706 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-08-25 05:31:14,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 05:31:14,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742914467] [2023-08-25 05:31:14,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1742914467] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-25 05:31:14,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1319280619] [2023-08-25 05:31:14,706 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-08-25 05:31:14,706 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-25 05:31:14,707 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-25 05:31:14,707 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 05:31:14,709 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 05:31:14,789 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-08-25 05:31:14,789 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-08-25 05:31:14,790 INFO L262 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 18 conjunts are in the unsatisfiable core [2023-08-25 05:31:14,792 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-08-25 05:31:15,030 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-08-25 05:31:15,031 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-08-25 05:31:15,306 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-08-25 05:31:15,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1319280619] provided 0 perfect and 2 imperfect interpolant sequences [2023-08-25 05:31:15,307 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-08-25 05:31:15,307 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 7, 7] total 14 [2023-08-25 05:31:15,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406538245] [2023-08-25 05:31:15,307 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-08-25 05:31:15,307 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-08-25 05:31:15,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 05:31:15,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-08-25 05:31:15,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2023-08-25 05:31:15,309 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 195 out of 505 [2023-08-25 05:31:15,311 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 131 places, 436 transitions, 8126 flow. Second operand has 16 states, 16 states have (on average 198.625) internal successors, (3178), 16 states have internal predecessors, (3178), 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 05:31:15,311 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 05:31:15,311 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 195 of 505 [2023-08-25 05:31:15,311 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 05:31:17,685 INFO L124 PetriNetUnfolderBase]: 4385/7657 cut-off events. [2023-08-25 05:31:17,685 INFO L125 PetriNetUnfolderBase]: For 91433/91433 co-relation queries the response was YES. [2023-08-25 05:31:17,729 INFO L83 FinitePrefix]: Finished finitePrefix Result has 47620 conditions, 7657 events. 4385/7657 cut-off events. For 91433/91433 co-relation queries the response was YES. Maximal size of possible extension queue 235. Compared 49098 event pairs, 449 based on Foata normal form. 2/7659 useless extension candidates. Maximal degree in co-relation 47573. Up to 1619 conditions per place. [2023-08-25 05:31:17,765 INFO L140 encePairwiseOnDemand]: 497/505 looper letters, 313 selfloop transitions, 389 changer transitions 1/703 dead transitions. [2023-08-25 05:31:17,766 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 145 places, 703 transitions, 13166 flow [2023-08-25 05:31:17,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-08-25 05:31:17,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2023-08-25 05:31:17,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 3085 transitions. [2023-08-25 05:31:17,773 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.40726072607260727 [2023-08-25 05:31:17,773 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 3085 transitions. [2023-08-25 05:31:17,773 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 3085 transitions. [2023-08-25 05:31:17,775 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 05:31:17,775 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 3085 transitions. [2023-08-25 05:31:17,780 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 205.66666666666666) internal successors, (3085), 15 states have internal predecessors, (3085), 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 05:31:17,789 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 505.0) internal successors, (8080), 16 states have internal predecessors, (8080), 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 05:31:17,790 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 505.0) internal successors, (8080), 16 states have internal predecessors, (8080), 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 05:31:17,790 INFO L175 Difference]: Start difference. First operand has 131 places, 436 transitions, 8126 flow. Second operand 15 states and 3085 transitions. [2023-08-25 05:31:17,790 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 145 places, 703 transitions, 13166 flow [2023-08-25 05:31:18,114 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 142 places, 703 transitions, 13003 flow, removed 62 selfloop flow, removed 3 redundant places. [2023-08-25 05:31:18,126 INFO L231 Difference]: Finished difference. Result has 147 places, 533 transitions, 11057 flow [2023-08-25 05:31:18,126 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=505, PETRI_DIFFERENCE_MINUEND_FLOW=7981, PETRI_DIFFERENCE_MINUEND_PLACES=128, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=436, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=310, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=11057, PETRI_PLACES=147, PETRI_TRANSITIONS=533} [2023-08-25 05:31:18,126 INFO L281 CegarLoopForPetriNet]: 60 programPoint places, 87 predicate places. [2023-08-25 05:31:18,127 INFO L495 AbstractCegarLoop]: Abstraction has has 147 places, 533 transitions, 11057 flow [2023-08-25 05:31:18,127 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 198.625) internal successors, (3178), 16 states have internal predecessors, (3178), 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 05:31:18,127 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 05:31:18,128 INFO L208 CegarLoopForPetriNet]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 05:31:18,134 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 05:31:18,333 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,SelfDestructingSolverStorable14 [2023-08-25 05:31:18,333 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2023-08-25 05:31:18,333 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 05:31:18,334 INFO L85 PathProgramCache]: Analyzing trace with hash 960741350, now seen corresponding path program 5 times [2023-08-25 05:31:18,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 05:31:18,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127696448] [2023-08-25 05:31:18,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 05:31:18,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 05:31:18,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 05:31:18,614 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-08-25 05:31:18,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 05:31:18,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127696448] [2023-08-25 05:31:18,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2127696448] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-25 05:31:18,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [136620146] [2023-08-25 05:31:18,615 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-08-25 05:31:18,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-25 05:31:18,615 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-25 05:31:18,617 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 05:31:18,633 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 05:31:18,731 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2023-08-25 05:31:18,731 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-08-25 05:31:18,733 INFO L262 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 18 conjunts are in the unsatisfiable core [2023-08-25 05:31:18,734 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-08-25 05:31:18,944 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-08-25 05:31:18,944 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-08-25 05:31:19,203 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-08-25 05:31:19,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [136620146] provided 0 perfect and 2 imperfect interpolant sequences [2023-08-25 05:31:19,203 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-08-25 05:31:19,203 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 7, 7] total 14 [2023-08-25 05:31:19,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065674438] [2023-08-25 05:31:19,203 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-08-25 05:31:19,204 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-08-25 05:31:19,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 05:31:19,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-08-25 05:31:19,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2023-08-25 05:31:19,205 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 195 out of 505 [2023-08-25 05:31:19,207 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 147 places, 533 transitions, 11057 flow. Second operand has 16 states, 16 states have (on average 198.625) internal successors, (3178), 16 states have internal predecessors, (3178), 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 05:31:19,207 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 05:31:19,207 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 195 of 505 [2023-08-25 05:31:19,207 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 05:31:21,537 INFO L124 PetriNetUnfolderBase]: 4844/8464 cut-off events. [2023-08-25 05:31:21,537 INFO L125 PetriNetUnfolderBase]: For 116269/116269 co-relation queries the response was YES. [2023-08-25 05:31:21,573 INFO L83 FinitePrefix]: Finished finitePrefix Result has 55356 conditions, 8464 events. 4844/8464 cut-off events. For 116269/116269 co-relation queries the response was YES. Maximal size of possible extension queue 264. Compared 55417 event pairs, 469 based on Foata normal form. 2/8466 useless extension candidates. Maximal degree in co-relation 55305. Up to 2924 conditions per place. [2023-08-25 05:31:21,603 INFO L140 encePairwiseOnDemand]: 497/505 looper letters, 409 selfloop transitions, 352 changer transitions 1/762 dead transitions. [2023-08-25 05:31:21,603 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 161 places, 762 transitions, 15613 flow [2023-08-25 05:31:21,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-08-25 05:31:21,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2023-08-25 05:31:21,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 3085 transitions. [2023-08-25 05:31:21,611 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.40726072607260727 [2023-08-25 05:31:21,611 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 3085 transitions. [2023-08-25 05:31:21,611 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 3085 transitions. [2023-08-25 05:31:21,613 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 05:31:21,613 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 3085 transitions. [2023-08-25 05:31:21,618 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 205.66666666666666) internal successors, (3085), 15 states have internal predecessors, (3085), 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 05:31:21,624 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 505.0) internal successors, (8080), 16 states have internal predecessors, (8080), 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 05:31:21,625 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 505.0) internal successors, (8080), 16 states have internal predecessors, (8080), 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 05:31:21,625 INFO L175 Difference]: Start difference. First operand has 147 places, 533 transitions, 11057 flow. Second operand 15 states and 3085 transitions. [2023-08-25 05:31:21,625 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 161 places, 762 transitions, 15613 flow [2023-08-25 05:31:21,923 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 157 places, 762 transitions, 15190 flow, removed 103 selfloop flow, removed 4 redundant places. [2023-08-25 05:31:21,947 INFO L231 Difference]: Finished difference. Result has 159 places, 584 transitions, 12594 flow [2023-08-25 05:31:21,947 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=505, PETRI_DIFFERENCE_MINUEND_FLOW=10691, PETRI_DIFFERENCE_MINUEND_PLACES=143, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=533, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=301, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=230, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=12594, PETRI_PLACES=159, PETRI_TRANSITIONS=584} [2023-08-25 05:31:21,947 INFO L281 CegarLoopForPetriNet]: 60 programPoint places, 99 predicate places. [2023-08-25 05:31:21,947 INFO L495 AbstractCegarLoop]: Abstraction has has 159 places, 584 transitions, 12594 flow [2023-08-25 05:31:21,948 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 198.625) internal successors, (3178), 16 states have internal predecessors, (3178), 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 05:31:21,948 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 05:31:21,948 INFO L208 CegarLoopForPetriNet]: trace histogram [4, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 05:31:21,953 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 05:31:22,153 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2023-08-25 05:31:22,153 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2023-08-25 05:31:22,153 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 05:31:22,153 INFO L85 PathProgramCache]: Analyzing trace with hash 990243187, now seen corresponding path program 6 times [2023-08-25 05:31:22,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 05:31:22,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11658002] [2023-08-25 05:31:22,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 05:31:22,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 05:31:22,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 05:31:22,462 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 2 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 05:31:22,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 05:31:22,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [11658002] [2023-08-25 05:31:22,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [11658002] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-25 05:31:22,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [138407003] [2023-08-25 05:31:22,463 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-08-25 05:31:22,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-25 05:31:22,463 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-25 05:31:22,464 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 05:31:22,466 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 05:31:22,645 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2023-08-25 05:31:22,645 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-08-25 05:31:22,646 INFO L262 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 11 conjunts are in the unsatisfiable core [2023-08-25 05:31:22,647 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-08-25 05:31:22,785 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-08-25 05:31:22,786 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-08-25 05:31:23,069 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-08-25 05:31:23,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [138407003] provided 0 perfect and 2 imperfect interpolant sequences [2023-08-25 05:31:23,070 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-08-25 05:31:23,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 6, 6] total 20 [2023-08-25 05:31:23,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474679463] [2023-08-25 05:31:23,071 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-08-25 05:31:23,071 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-08-25 05:31:23,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 05:31:23,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-08-25 05:31:23,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=353, Unknown=0, NotChecked=0, Total=420 [2023-08-25 05:31:23,074 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 195 out of 505 [2023-08-25 05:31:23,076 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 159 places, 584 transitions, 12594 flow. Second operand has 21 states, 21 states have (on average 198.8095238095238) internal successors, (4175), 21 states have internal predecessors, (4175), 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 05:31:23,076 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 05:31:23,076 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 195 of 505 [2023-08-25 05:31:23,077 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 05:31:29,308 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 05:31:31,808 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-25 05:31:33,918 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-25 05:31:38,964 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-25 05:31:43,445 WARN L539 Checker$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 05:31:50,799 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-25 05:32:06,493 WARN L539 Checker$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 05:32:16,603 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-25 05:32:19,013 WARN L539 Checker$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 05:32:20,586 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-25 05:32:23,890 WARN L539 Checker$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 05:32:25,897 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-25 05:32:28,113 WARN L539 Checker$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 05:32:30,282 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-25 05:32:32,423 WARN L539 Checker$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 05:32:36,072 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-08-25 05:32:38,423 WARN L539 Checker$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 05:32:39,323 INFO L124 PetriNetUnfolderBase]: 13200/23094 cut-off events. [2023-08-25 05:32:39,323 INFO L125 PetriNetUnfolderBase]: For 367818/367818 co-relation queries the response was YES. [2023-08-25 05:32:39,507 INFO L83 FinitePrefix]: Finished finitePrefix Result has 153308 conditions, 23094 events. 13200/23094 cut-off events. For 367818/367818 co-relation queries the response was YES. Maximal size of possible extension queue 565. Compared 171781 event pairs, 1409 based on Foata normal form. 1416/24510 useless extension candidates. Maximal degree in co-relation 153256. Up to 4493 conditions per place. [2023-08-25 05:32:39,584 INFO L140 encePairwiseOnDemand]: 490/505 looper letters, 1067 selfloop transitions, 978 changer transitions 134/2179 dead transitions. [2023-08-25 05:32:39,584 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 192 places, 2179 transitions, 47070 flow [2023-08-25 05:32:39,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-08-25 05:32:39,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2023-08-25 05:32:39,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 7028 transitions. [2023-08-25 05:32:39,605 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4093185789167152 [2023-08-25 05:32:39,606 INFO L72 ComplementDD]: Start complementDD. Operand 34 states and 7028 transitions. [2023-08-25 05:32:39,606 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 7028 transitions. [2023-08-25 05:32:39,608 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 05:32:39,608 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 34 states and 7028 transitions. [2023-08-25 05:32:39,615 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 35 states, 34 states have (on average 206.7058823529412) internal successors, (7028), 34 states have internal predecessors, (7028), 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 05:32:39,625 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 35 states, 35 states have (on average 505.0) internal successors, (17675), 35 states have internal predecessors, (17675), 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 05:32:39,627 INFO L81 ComplementDD]: Finished complementDD. Result has 35 states, 35 states have (on average 505.0) internal successors, (17675), 35 states have internal predecessors, (17675), 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 05:32:39,627 INFO L175 Difference]: Start difference. First operand has 159 places, 584 transitions, 12594 flow. Second operand 34 states and 7028 transitions. [2023-08-25 05:32:39,627 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 192 places, 2179 transitions, 47070 flow [2023-08-25 05:32:40,559 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 184 places, 2179 transitions, 44654 flow, removed 441 selfloop flow, removed 8 redundant places. [2023-08-25 05:32:40,588 INFO L231 Difference]: Finished difference. Result has 209 places, 1293 transitions, 31491 flow [2023-08-25 05:32:40,588 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=505, PETRI_DIFFERENCE_MINUEND_FLOW=11073, PETRI_DIFFERENCE_MINUEND_PLACES=151, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=550, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=313, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=201, PETRI_DIFFERENCE_SUBTRAHEND_STATES=34, PETRI_FLOW=31491, PETRI_PLACES=209, PETRI_TRANSITIONS=1293} [2023-08-25 05:32:40,594 INFO L281 CegarLoopForPetriNet]: 60 programPoint places, 149 predicate places. [2023-08-25 05:32:40,594 INFO L495 AbstractCegarLoop]: Abstraction has has 209 places, 1293 transitions, 31491 flow [2023-08-25 05:32:40,605 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 198.8095238095238) internal successors, (4175), 21 states have internal predecessors, (4175), 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 05:32:40,605 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 05:32:40,605 INFO L208 CegarLoopForPetriNet]: trace histogram [4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 05:32:40,610 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-08-25 05:32:40,810 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-25 05:32:40,810 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2023-08-25 05:32:40,810 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 05:32:40,810 INFO L85 PathProgramCache]: Analyzing trace with hash -82726487, now seen corresponding path program 7 times [2023-08-25 05:32:40,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 05:32:40,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588120596] [2023-08-25 05:32:40,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 05:32:40,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 05:32:40,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 05:32:41,128 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 2 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 05:32:41,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 05:32:41,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588120596] [2023-08-25 05:32:41,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1588120596] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-25 05:32:41,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [282483727] [2023-08-25 05:32:41,128 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-08-25 05:32:41,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-25 05:32:41,129 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-25 05:32:41,141 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 05:32:41,143 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 05:32:41,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 05:32:41,283 INFO L262 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 20 conjunts are in the unsatisfiable core [2023-08-25 05:32:41,284 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-08-25 05:32:41,606 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 05:32:41,607 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-08-25 05:32:42,800 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 05:32:42,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [282483727] provided 0 perfect and 2 imperfect interpolant sequences [2023-08-25 05:32:42,800 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-08-25 05:32:42,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 10] total 23 [2023-08-25 05:32:42,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135545054] [2023-08-25 05:32:42,800 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-08-25 05:32:42,800 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-08-25 05:32:42,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 05:32:42,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-08-25 05:32:42,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=399, Unknown=0, NotChecked=0, Total=552 [2023-08-25 05:32:42,803 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 195 out of 505 [2023-08-25 05:32:42,805 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 209 places, 1293 transitions, 31491 flow. Second operand has 24 states, 24 states have (on average 198.41666666666666) internal successors, (4762), 24 states have internal predecessors, (4762), 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 05:32:42,805 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 05:32:42,805 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 195 of 505 [2023-08-25 05:32:42,805 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 05:32:48,959 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-25 05:33:14,958 WARN L539 Checker$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 05:33:21,196 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-25 05:33:47,746 WARN L539 Checker$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 05:33:49,086 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-25 05:34:36,825 WARN L539 Checker$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 05:34:38,828 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 05:35:45,264 INFO L124 PetriNetUnfolderBase]: 27539/48573 cut-off events. [2023-08-25 05:35:45,264 INFO L125 PetriNetUnfolderBase]: For 1311540/1311540 co-relation queries the response was YES. [2023-08-25 05:35:45,945 INFO L83 FinitePrefix]: Finished finitePrefix Result has 407385 conditions, 48573 events. 27539/48573 cut-off events. For 1311540/1311540 co-relation queries the response was YES. Maximal size of possible extension queue 1256. Compared 409711 event pairs, 2415 based on Foata normal form. 824/49397 useless extension candidates. Maximal degree in co-relation 407311. Up to 25657 conditions per place. [2023-08-25 05:35:46,180 INFO L140 encePairwiseOnDemand]: 497/505 looper letters, 1134 selfloop transitions, 2719 changer transitions 37/3890 dead transitions. [2023-08-25 05:35:46,180 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 280 places, 3890 transitions, 93938 flow [2023-08-25 05:35:46,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2023-08-25 05:35:46,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2023-08-25 05:35:46,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 14702 transitions. [2023-08-25 05:35:46,194 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.40434543454345434 [2023-08-25 05:35:46,195 INFO L72 ComplementDD]: Start complementDD. Operand 72 states and 14702 transitions. [2023-08-25 05:35:46,195 INFO L73 IsDeterministic]: Start isDeterministic. Operand 72 states and 14702 transitions. [2023-08-25 05:35:46,198 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 05:35:46,198 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 72 states and 14702 transitions. [2023-08-25 05:35:46,214 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 73 states, 72 states have (on average 204.19444444444446) internal successors, (14702), 72 states have internal predecessors, (14702), 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 05:35:46,237 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 73 states, 73 states have (on average 505.0) internal successors, (36865), 73 states have internal predecessors, (36865), 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 05:35:46,242 INFO L81 ComplementDD]: Finished complementDD. Result has 73 states, 73 states have (on average 505.0) internal successors, (36865), 73 states have internal predecessors, (36865), 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 05:35:46,243 INFO L175 Difference]: Start difference. First operand has 209 places, 1293 transitions, 31491 flow. Second operand 72 states and 14702 transitions. [2023-08-25 05:35:46,243 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 280 places, 3890 transitions, 93938 flow [2023-08-25 05:35:54,935 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 276 places, 3890 transitions, 92863 flow, removed 526 selfloop flow, removed 4 redundant places. [2023-08-25 05:35:54,995 INFO L231 Difference]: Finished difference. Result has 317 places, 3152 transitions, 87580 flow [2023-08-25 05:35:54,996 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=505, PETRI_DIFFERENCE_MINUEND_FLOW=30510, PETRI_DIFFERENCE_MINUEND_PLACES=205, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1289, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1035, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=131, PETRI_DIFFERENCE_SUBTRAHEND_STATES=72, PETRI_FLOW=87580, PETRI_PLACES=317, PETRI_TRANSITIONS=3152} [2023-08-25 05:35:54,996 INFO L281 CegarLoopForPetriNet]: 60 programPoint places, 257 predicate places. [2023-08-25 05:35:54,996 INFO L495 AbstractCegarLoop]: Abstraction has has 317 places, 3152 transitions, 87580 flow [2023-08-25 05:35:54,997 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 198.41666666666666) internal successors, (4762), 24 states have internal predecessors, (4762), 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 05:35:54,997 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 05:35:54,997 INFO L208 CegarLoopForPetriNet]: trace histogram [4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 05:35:55,019 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-08-25 05:35:55,201 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-08-25 05:35:55,203 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2023-08-25 05:35:55,203 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 05:35:55,203 INFO L85 PathProgramCache]: Analyzing trace with hash -293818737, now seen corresponding path program 8 times [2023-08-25 05:35:55,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 05:35:55,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619991681] [2023-08-25 05:35:55,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 05:35:55,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 05:35:55,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 05:35:55,605 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 05:35:55,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 05:35:55,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619991681] [2023-08-25 05:35:55,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [619991681] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-25 05:35:55,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1204752929] [2023-08-25 05:35:55,605 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-08-25 05:35:55,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-25 05:35:55,605 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-25 05:35:55,606 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-08-25 05:35:55,608 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-08-25 05:35:55,763 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-08-25 05:35:55,763 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-08-25 05:35:55,764 INFO L262 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 17 conjunts are in the unsatisfiable core [2023-08-25 05:35:55,765 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-08-25 05:35:58,481 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 3 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 05:35:58,481 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-08-25 05:36:04,475 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 05:36:04,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1204752929] provided 0 perfect and 2 imperfect interpolant sequences [2023-08-25 05:36:04,475 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-08-25 05:36:04,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8, 9] total 24 [2023-08-25 05:36:04,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084004225] [2023-08-25 05:36:04,475 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-08-25 05:36:04,476 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-08-25 05:36:04,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 05:36:04,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-08-25 05:36:04,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=476, Unknown=1, NotChecked=0, Total=600 [2023-08-25 05:36:04,478 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 195 out of 505 [2023-08-25 05:36:04,480 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 317 places, 3152 transitions, 87580 flow. Second operand has 25 states, 25 states have (on average 197.96) internal successors, (4949), 25 states have internal predecessors, (4949), 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 05:36:04,480 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 05:36:04,480 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 195 of 505 [2023-08-25 05:36:04,480 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 05:36:14,606 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 05:36:27,243 WARN L234 SmtUtils]: Spent 5.53s on a formula simplification that was a NOOP. DAG size: 47 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-08-25 05:36:42,177 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-25 05:36:46,523 WARN L539 Checker$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 05:36:50,764 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-25 05:36:52,286 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-25 05:37:03,021 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-25 05:37:10,417 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-25 05:37:34,770 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-25 05:37:36,408 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-25 05:37:47,047 WARN L234 SmtUtils]: Spent 5.84s on a formula simplification. DAG size of input: 71 DAG size of output: 55 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-08-25 05:38:01,379 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-25 05:38:08,943 WARN L539 Checker$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 05:38:27,070 WARN L234 SmtUtils]: Spent 7.43s on a formula simplification. DAG size of input: 63 DAG size of output: 59 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-08-25 05:38:28,177 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-25 05:39:04,522 WARN L234 SmtUtils]: Spent 27.60s on a formula simplification. DAG size of input: 61 DAG size of output: 58 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-08-25 05:39:06,706 WARN L539 Checker$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 05:39:08,745 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-25 05:39:10,982 WARN L539 Checker$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 05:39:13,055 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-25 05:39:15,596 WARN L539 Checker$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 05:39:57,099 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-25 05:39:58,226 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-25 05:40:00,186 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-25 05:40:02,693 WARN L539 Checker$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 05:40:04,835 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-25 05:40:06,869 WARN L539 Checker$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 05:40:08,910 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-25 05:40:31,156 WARN L234 SmtUtils]: Spent 8.16s on a formula simplification. DAG size of input: 77 DAG size of output: 53 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-08-25 05:40:33,211 WARN L539 Checker$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 05:40:35,295 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-25 05:40:37,388 WARN L539 Checker$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 05:40:39,477 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-25 05:40:41,513 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-25 05:40:45,500 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-25 05:40:48,087 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-25 05:41:11,719 WARN L234 SmtUtils]: Spent 7.44s on a formula simplification. DAG size of input: 52 DAG size of output: 49 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-08-25 05:41:24,660 WARN L234 SmtUtils]: Spent 5.74s on a formula simplification. DAG size of input: 56 DAG size of output: 53 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-08-25 05:41:26,840 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-25 05:42:00,935 WARN L234 SmtUtils]: Spent 11.59s on a formula simplification. DAG size of input: 72 DAG size of output: 59 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-08-25 05:42:33,109 WARN L539 Checker$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 05:42:35,305 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-25 05:43:05,286 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-25 05:43:08,843 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-25 05:43:12,694 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-25 05:43:19,619 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-25 05:43:22,224 WARN L539 Checker$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 05:43:35,512 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-25 05:43:37,528 WARN L539 Checker$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 05:44:07,522 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-25 05:44:12,849 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-08-25 05:44:20,463 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-25 05:44:49,630 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-25 05:44:51,523 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-25 05:44:53,561 WARN L539 Checker$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 05:44:57,811 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-25 05:44:59,822 WARN L539 Checker$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 05:45:01,167 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-25 05:45:15,509 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-25 05:45:19,837 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-08-25 05:45:22,658 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] Received shutdown request... [2023-08-25 05:45:26,996 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 05:45:26,996 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-08-25 05:45:28,011 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-08-25 05:45:28,012 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 05:45:28,189 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr14ASSERT_VIOLATIONASSERT (60 of 61 remaining) [2023-08-25 05:45:28,189 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-08-25 05:45:28,189 WARN L619 AbstractCegarLoop]: Verification canceled: while executing Executor. [2023-08-25 05:45:28,190 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err0ASSERT_VIOLATIONDATA_RACE (59 of 61 remaining) [2023-08-25 05:45:28,190 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err1ASSERT_VIOLATIONDATA_RACE (58 of 61 remaining) [2023-08-25 05:45:28,192 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err2ASSERT_VIOLATIONDATA_RACE (57 of 61 remaining) [2023-08-25 05:45:28,193 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err3ASSERT_VIOLATIONDATA_RACE (56 of 61 remaining) [2023-08-25 05:45:28,193 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err4ASSERT_VIOLATIONDATA_RACE (55 of 61 remaining) [2023-08-25 05:45:28,193 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err5ASSERT_VIOLATIONDATA_RACE (54 of 61 remaining) [2023-08-25 05:45:28,193 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err6ASSERT_VIOLATIONDATA_RACE (53 of 61 remaining) [2023-08-25 05:45:28,193 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err7ASSERT_VIOLATIONDATA_RACE (52 of 61 remaining) [2023-08-25 05:45:28,193 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err8ASSERT_VIOLATIONDATA_RACE (51 of 61 remaining) [2023-08-25 05:45:28,193 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err9ASSERT_VIOLATIONDATA_RACE (50 of 61 remaining) [2023-08-25 05:45:28,193 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err10ASSERT_VIOLATIONDATA_RACE (49 of 61 remaining) [2023-08-25 05:45:28,193 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err0ASSERT_VIOLATIONDATA_RACE (48 of 61 remaining) [2023-08-25 05:45:28,193 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err1ASSERT_VIOLATIONDATA_RACE (47 of 61 remaining) [2023-08-25 05:45:28,193 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err2ASSERT_VIOLATIONDATA_RACE (46 of 61 remaining) [2023-08-25 05:45:28,193 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err3ASSERT_VIOLATIONDATA_RACE (45 of 61 remaining) [2023-08-25 05:45:28,194 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err4ASSERT_VIOLATIONDATA_RACE (44 of 61 remaining) [2023-08-25 05:45:28,194 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err5ASSERT_VIOLATIONDATA_RACE (43 of 61 remaining) [2023-08-25 05:45:28,194 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err6ASSERT_VIOLATIONDATA_RACE (42 of 61 remaining) [2023-08-25 05:45:28,194 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err7ASSERT_VIOLATIONDATA_RACE (41 of 61 remaining) [2023-08-25 05:45:28,194 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err8ASSERT_VIOLATIONDATA_RACE (40 of 61 remaining) [2023-08-25 05:45:28,194 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err9ASSERT_VIOLATIONDATA_RACE (39 of 61 remaining) [2023-08-25 05:45:28,194 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err10ASSERT_VIOLATIONDATA_RACE (38 of 61 remaining) [2023-08-25 05:45:28,195 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (37 of 61 remaining) [2023-08-25 05:45:28,195 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (36 of 61 remaining) [2023-08-25 05:45:28,195 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (35 of 61 remaining) [2023-08-25 05:45:28,195 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (34 of 61 remaining) [2023-08-25 05:45:28,195 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (33 of 61 remaining) [2023-08-25 05:45:28,200 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (32 of 61 remaining) [2023-08-25 05:45:28,200 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (31 of 61 remaining) [2023-08-25 05:45:28,200 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (30 of 61 remaining) [2023-08-25 05:45:28,200 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (29 of 61 remaining) [2023-08-25 05:45:28,200 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (28 of 61 remaining) [2023-08-25 05:45:28,200 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (27 of 61 remaining) [2023-08-25 05:45:28,200 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (26 of 61 remaining) [2023-08-25 05:45:28,200 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (25 of 61 remaining) [2023-08-25 05:45:28,200 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (24 of 61 remaining) [2023-08-25 05:45:28,200 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (23 of 61 remaining) [2023-08-25 05:45:28,200 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (22 of 61 remaining) [2023-08-25 05:45:28,201 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err0ASSERT_VIOLATIONDATA_RACE (21 of 61 remaining) [2023-08-25 05:45:28,202 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err1ASSERT_VIOLATIONDATA_RACE (20 of 61 remaining) [2023-08-25 05:45:28,202 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err2ASSERT_VIOLATIONDATA_RACE (19 of 61 remaining) [2023-08-25 05:45:28,202 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err3ASSERT_VIOLATIONDATA_RACE (18 of 61 remaining) [2023-08-25 05:45:28,204 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err4ASSERT_VIOLATIONDATA_RACE (17 of 61 remaining) [2023-08-25 05:45:28,204 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err5ASSERT_VIOLATIONDATA_RACE (16 of 61 remaining) [2023-08-25 05:45:28,204 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err6ASSERT_VIOLATIONDATA_RACE (15 of 61 remaining) [2023-08-25 05:45:28,204 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err7ASSERT_VIOLATIONDATA_RACE (14 of 61 remaining) [2023-08-25 05:45:28,204 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err8ASSERT_VIOLATIONDATA_RACE (13 of 61 remaining) [2023-08-25 05:45:28,204 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err9ASSERT_VIOLATIONDATA_RACE (12 of 61 remaining) [2023-08-25 05:45:28,204 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err10ASSERT_VIOLATIONDATA_RACE (11 of 61 remaining) [2023-08-25 05:45:28,204 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err0ASSERT_VIOLATIONDATA_RACE (10 of 61 remaining) [2023-08-25 05:45:28,204 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err1ASSERT_VIOLATIONDATA_RACE (9 of 61 remaining) [2023-08-25 05:45:28,204 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err2ASSERT_VIOLATIONDATA_RACE (8 of 61 remaining) [2023-08-25 05:45:28,204 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err3ASSERT_VIOLATIONDATA_RACE (7 of 61 remaining) [2023-08-25 05:45:28,204 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err4ASSERT_VIOLATIONDATA_RACE (6 of 61 remaining) [2023-08-25 05:45:28,205 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err5ASSERT_VIOLATIONDATA_RACE (5 of 61 remaining) [2023-08-25 05:45:28,205 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err6ASSERT_VIOLATIONDATA_RACE (4 of 61 remaining) [2023-08-25 05:45:28,205 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err7ASSERT_VIOLATIONDATA_RACE (3 of 61 remaining) [2023-08-25 05:45:28,205 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err8ASSERT_VIOLATIONDATA_RACE (2 of 61 remaining) [2023-08-25 05:45:28,205 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err9ASSERT_VIOLATIONDATA_RACE (1 of 61 remaining) [2023-08-25 05:45:28,205 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err10ASSERT_VIOLATIONDATA_RACE (0 of 61 remaining) [2023-08-25 05:45:28,205 INFO L445 BasicCegarLoop]: Path program histogram: [8, 2, 2, 2, 1, 1, 1, 1, 1] [2023-08-25 05:45:28,224 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-25 05:45:28,224 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-25 05:45:28,232 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.08 05:45:28 BasicIcfg [2023-08-25 05:45:28,232 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-25 05:45:28,233 INFO L158 Benchmark]: Toolchain (without parser) took 870814.45ms. Allocated memory was 358.6MB in the beginning and 2.5GB in the end (delta: 2.2GB). Free memory was 333.1MB in the beginning and 743.8MB in the end (delta: -410.6MB). Peak memory consumption was 2.1GB. Max. memory is 16.0GB. [2023-08-25 05:45:28,233 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 358.6MB. Free memory was 336.0MB in the beginning and 335.8MB in the end (delta: 157.3kB). There was no memory consumed. Max. memory is 16.0GB. [2023-08-25 05:45:28,234 INFO L158 Benchmark]: CACSL2BoogieTranslator took 142.14ms. Allocated memory is still 358.6MB. Free memory was 333.1MB in the beginning and 321.7MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.0GB. [2023-08-25 05:45:28,234 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.46ms. Allocated memory is still 358.6MB. Free memory was 321.7MB in the beginning and 319.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-08-25 05:45:28,235 INFO L158 Benchmark]: Boogie Preprocessor took 15.98ms. Allocated memory is still 358.6MB. Free memory was 319.6MB in the beginning and 318.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-08-25 05:45:28,236 INFO L158 Benchmark]: RCFGBuilder took 473.49ms. Allocated memory is still 358.6MB. Free memory was 318.4MB in the beginning and 292.4MB in the end (delta: 26.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.0GB. [2023-08-25 05:45:28,236 INFO L158 Benchmark]: TraceAbstraction took 870156.54ms. Allocated memory was 358.6MB in the beginning and 2.5GB in the end (delta: 2.2GB). Free memory was 292.4MB in the beginning and 743.8MB in the end (delta: -451.4MB). Peak memory consumption was 2.0GB. Max. memory is 16.0GB. [2023-08-25 05:45:28,236 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 358.6MB. Free memory was 336.0MB in the beginning and 335.8MB in the end (delta: 157.3kB). There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 142.14ms. Allocated memory is still 358.6MB. Free memory was 333.1MB in the beginning and 321.7MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 22.46ms. Allocated memory is still 358.6MB. Free memory was 321.7MB in the beginning and 319.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 15.98ms. Allocated memory is still 358.6MB. Free memory was 319.6MB in the beginning and 318.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 473.49ms. Allocated memory is still 358.6MB. Free memory was 318.4MB in the beginning and 292.4MB in the end (delta: 26.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.0GB. * TraceAbstraction took 870156.54ms. Allocated memory was 358.6MB in the beginning and 2.5GB in the end (delta: 2.2GB). Free memory was 292.4MB in the beginning and 743.8MB in the end (delta: -451.4MB). Peak memory consumption was 2.0GB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4.3s, 218 PlacesBefore, 60 PlacesAfterwards, 221 TransitionsBefore, 58 TransitionsAfterwards, 6300 CoEnabledTransitionPairs, 9 FixpointIterations, 136 TrivialSequentialCompositions, 112 ConcurrentSequentialCompositions, 11 TrivialYvCompositions, 9 ConcurrentYvCompositions, 5 ChoiceCompositions, 273 TotalNumberOfCompositions, 13419 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 8405, independent: 8120, independent conditional: 0, independent unconditional: 8120, dependent: 285, dependent conditional: 0, dependent unconditional: 285, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 3734, independent: 3697, independent conditional: 0, independent unconditional: 3697, dependent: 37, dependent conditional: 0, dependent unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 8405, independent: 4423, independent conditional: 0, independent unconditional: 4423, dependent: 248, dependent conditional: 0, dependent unconditional: 248, unknown: 3734, unknown conditional: 0, unknown unconditional: 3734] , Statistics on independence cache: Total cache size (in pairs): 258, Positive cache size: 239, Positive conditional cache size: 0, Positive unconditional cache size: 239, Negative cache size: 19, Negative conditional cache size: 0, Negative unconditional cache size: 19, 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: 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: 43]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 45]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 45]: 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: 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: 54]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 54]: 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: 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: 69]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 69]: 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: 83]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 84]: 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: 91]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 91]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 91]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 91]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 91]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 95]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 96]: 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: 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: 93]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing Executor. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 305 locations, 61 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: 870.0s, OverallIterations: 19, TraceHistogramMax: 4, PathProgramHistogramMax: 8, EmptinessCheckTime: 0.0s, AutomataDifference: 845.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.4s, HoareTripleCheckerStatistics: 49 mSolverCounterUnknown, 2634 SdHoareTripleChecker+Valid, 228.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2634 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 225.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 405 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10036 IncrementalHoareTripleChecker+Invalid, 10490 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 405 mSolverCounterUnsat, 0 mSDtfsCounter, 10036 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 751 GetRequests, 398 SyntacticMatches, 26 SemanticMatches, 327 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4899 ImplicationChecksByTransitivity, 574.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=87580occurred in iteration=18, InterpolantAutomatonStates: 229, 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, 0.9s SatisfiabilityAnalysisTime, 16.5s InterpolantComputationTime, 638 NumberOfCodeBlocks, 638 NumberOfCodeBlocksAsserted, 38 NumberOfCheckSat, 848 ConstructedInterpolants, 0 QuantifiedInterpolants, 13169 SizeOfPredicates, 53 NumberOfNonLiveVariables, 1974 ConjunctsInSsa, 145 ConjunctsInUnsatCore, 37 InterpolantComputations, 10 PerfectInterpolantSequences, 103/464 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