/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/pthread-wmm/safe010_tso.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-ac9dbd0-m [2023-08-25 00:36:33,447 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-08-25 00:36:33,528 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 00:36:33,532 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-08-25 00:36:33,533 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-08-25 00:36:33,564 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-25 00:36:33,565 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-25 00:36:33,569 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-25 00:36:33,570 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-25 00:36:33,575 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-08-25 00:36:33,575 INFO L153 SettingsManager]: * Use SBE=true [2023-08-25 00:36:33,575 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-25 00:36:33,575 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-25 00:36:33,576 INFO L153 SettingsManager]: * sizeof long=4 [2023-08-25 00:36:33,576 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-25 00:36:33,576 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-08-25 00:36:33,576 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-08-25 00:36:33,576 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-25 00:36:33,577 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-25 00:36:33,577 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-25 00:36:33,577 INFO L153 SettingsManager]: * sizeof long double=12 [2023-08-25 00:36:33,579 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-08-25 00:36:33,579 INFO L153 SettingsManager]: * Use constant arrays=true [2023-08-25 00:36:33,580 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-25 00:36:33,580 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-25 00:36:33,580 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-08-25 00:36:33,580 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-25 00:36:33,581 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 00:36:33,581 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-25 00:36:33,581 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-25 00:36:33,582 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-25 00:36:33,582 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-25 00:36:33,582 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-25 00:36:33,582 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-25 00:36:33,583 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-25 00:36:33,583 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true [2023-08-25 00:36:33,880 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-25 00:36:33,899 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-25 00:36:33,901 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-25 00:36:33,902 INFO L270 PluginConnector]: Initializing CDTParser... [2023-08-25 00:36:33,903 INFO L274 PluginConnector]: CDTParser initialized [2023-08-25 00:36:33,904 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe010_tso.i [2023-08-25 00:36:35,051 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-08-25 00:36:35,323 INFO L384 CDTParser]: Found 1 translation units. [2023-08-25 00:36:35,324 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe010_tso.i [2023-08-25 00:36:35,337 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39f09758b/5a2fa679f8ad451fa4d3a7da2c9c3103/FLAG3c5a44c0c [2023-08-25 00:36:35,354 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39f09758b/5a2fa679f8ad451fa4d3a7da2c9c3103 [2023-08-25 00:36:35,359 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-25 00:36:35,361 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-08-25 00:36:35,362 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-25 00:36:35,362 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-25 00:36:35,365 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-25 00:36:35,366 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 12:36:35" (1/1) ... [2023-08-25 00:36:35,367 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75786950 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 12:36:35, skipping insertion in model container [2023-08-25 00:36:35,367 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 12:36:35" (1/1) ... [2023-08-25 00:36:35,423 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-08-25 00:36:35,759 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 00:36:35,768 INFO L201 MainTranslator]: Completed pre-run [2023-08-25 00:36:35,797 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [267] [2023-08-25 00:36:35,798 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [267] [2023-08-25 00:36:35,813 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 00:36:35,844 WARN L669 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-25 00:36:35,844 WARN L669 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-25 00:36:35,851 INFO L206 MainTranslator]: Completed translation [2023-08-25 00:36:35,851 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 12:36:35 WrapperNode [2023-08-25 00:36:35,852 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-25 00:36:35,852 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-25 00:36:35,853 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-25 00:36:35,853 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-25 00:36:35,858 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 12:36:35" (1/1) ... [2023-08-25 00:36:35,888 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 12:36:35" (1/1) ... [2023-08-25 00:36:35,912 INFO L138 Inliner]: procedures = 175, calls = 41, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 83 [2023-08-25 00:36:35,912 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-25 00:36:35,913 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-25 00:36:35,913 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-25 00:36:35,913 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-08-25 00:36:35,920 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 12:36:35" (1/1) ... [2023-08-25 00:36:35,920 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 12:36:35" (1/1) ... [2023-08-25 00:36:35,941 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 12:36:35" (1/1) ... [2023-08-25 00:36:35,941 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 12:36:35" (1/1) ... [2023-08-25 00:36:35,945 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 12:36:35" (1/1) ... [2023-08-25 00:36:35,947 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 12:36:35" (1/1) ... [2023-08-25 00:36:35,948 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 12:36:35" (1/1) ... [2023-08-25 00:36:35,949 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 12:36:35" (1/1) ... [2023-08-25 00:36:35,952 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-25 00:36:35,952 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-25 00:36:35,952 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-08-25 00:36:35,952 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-08-25 00:36:35,953 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 12:36:35" (1/1) ... [2023-08-25 00:36:35,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 00:36:35,979 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-25 00:36:35,993 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 00:36:36,008 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 00:36:36,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-25 00:36:36,030 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-25 00:36:36,031 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-25 00:36:36,031 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-25 00:36:36,031 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-25 00:36:36,031 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-08-25 00:36:36,031 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-08-25 00:36:36,032 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-08-25 00:36:36,032 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-08-25 00:36:36,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-25 00:36:36,032 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-25 00:36:36,032 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-25 00:36:36,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-25 00:36:36,033 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 00:36:36,185 INFO L236 CfgBuilder]: Building ICFG [2023-08-25 00:36:36,188 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-25 00:36:36,432 INFO L277 CfgBuilder]: Performing block encoding [2023-08-25 00:36:36,544 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-25 00:36:36,544 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-25 00:36:36,546 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 12:36:36 BoogieIcfgContainer [2023-08-25 00:36:36,546 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-25 00:36:36,549 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-25 00:36:36,549 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-08-25 00:36:36,552 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-08-25 00:36:36,552 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.08 12:36:35" (1/3) ... [2023-08-25 00:36:36,553 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fae3659 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 12:36:36, skipping insertion in model container [2023-08-25 00:36:36,553 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 12:36:35" (2/3) ... [2023-08-25 00:36:36,554 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fae3659 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 12:36:36, skipping insertion in model container [2023-08-25 00:36:36,554 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 12:36:36" (3/3) ... [2023-08-25 00:36:36,555 INFO L112 eAbstractionObserver]: Analyzing ICFG safe010_tso.i [2023-08-25 00:36:36,568 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-25 00:36:36,569 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 17 error locations. [2023-08-25 00:36:36,569 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-25 00:36:36,625 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-25 00:36:36,660 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 95 places, 91 transitions, 192 flow [2023-08-25 00:36:36,705 INFO L124 PetriNetUnfolderBase]: 3/89 cut-off events. [2023-08-25 00:36:36,705 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 00:36:36,710 INFO L83 FinitePrefix]: Finished finitePrefix Result has 96 conditions, 89 events. 3/89 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 93 event pairs, 0 based on Foata normal form. 0/69 useless extension candidates. Maximal degree in co-relation 71. Up to 2 conditions per place. [2023-08-25 00:36:36,710 INFO L82 GeneralOperation]: Start removeDead. Operand has 95 places, 91 transitions, 192 flow [2023-08-25 00:36:36,719 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 93 places, 89 transitions, 184 flow [2023-08-25 00:36:36,722 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-25 00:36:36,730 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 93 places, 89 transitions, 184 flow [2023-08-25 00:36:36,732 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 93 places, 89 transitions, 184 flow [2023-08-25 00:36:36,732 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 93 places, 89 transitions, 184 flow [2023-08-25 00:36:36,752 INFO L124 PetriNetUnfolderBase]: 3/89 cut-off events. [2023-08-25 00:36:36,752 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 00:36:36,753 INFO L83 FinitePrefix]: Finished finitePrefix Result has 96 conditions, 89 events. 3/89 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 93 event pairs, 0 based on Foata normal form. 0/69 useless extension candidates. Maximal degree in co-relation 71. Up to 2 conditions per place. [2023-08-25 00:36:36,754 INFO L119 LiptonReduction]: Number of co-enabled transitions 2082 [2023-08-25 00:36:39,768 INFO L134 LiptonReduction]: Checked pairs total: 7232 [2023-08-25 00:36:39,769 INFO L136 LiptonReduction]: Total number of compositions: 99 [2023-08-25 00:36:39,780 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-25 00:36:39,784 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;@7ddba9cf, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-25 00:36:39,784 INFO L358 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2023-08-25 00:36:39,786 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-25 00:36:39,786 INFO L124 PetriNetUnfolderBase]: 0/2 cut-off events. [2023-08-25 00:36:39,786 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 00:36:39,786 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 00:36:39,786 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2023-08-25 00:36:39,787 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-08-25 00:36:39,790 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 00:36:39,790 INFO L85 PathProgramCache]: Analyzing trace with hash 455695, now seen corresponding path program 1 times [2023-08-25 00:36:39,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 00:36:39,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330518146] [2023-08-25 00:36:39,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 00:36:39,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 00:36:39,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 00:36:39,916 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 00:36:39,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 00:36:39,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [330518146] [2023-08-25 00:36:39,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [330518146] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 00:36:39,917 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 00:36:39,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-25 00:36:39,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915072886] [2023-08-25 00:36:39,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 00:36:39,926 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-25 00:36:39,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 00:36:39,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-25 00:36:39,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-25 00:36:39,949 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 63 out of 190 [2023-08-25 00:36:39,950 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 30 transitions, 66 flow. Second operand has 2 states, 2 states have (on average 64.5) internal successors, (129), 2 states have internal predecessors, (129), 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 00:36:39,951 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 00:36:39,951 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 63 of 190 [2023-08-25 00:36:39,951 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 00:36:39,998 INFO L124 PetriNetUnfolderBase]: 87/160 cut-off events. [2023-08-25 00:36:39,998 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-08-25 00:36:39,999 INFO L83 FinitePrefix]: Finished finitePrefix Result has 334 conditions, 160 events. 87/160 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 472 event pairs, 87 based on Foata normal form. 0/144 useless extension candidates. Maximal degree in co-relation 324. Up to 161 conditions per place. [2023-08-25 00:36:40,000 INFO L140 encePairwiseOnDemand]: 173/190 looper letters, 12 selfloop transitions, 0 changer transitions 1/13 dead transitions. [2023-08-25 00:36:40,001 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 21 places, 13 transitions, 58 flow [2023-08-25 00:36:40,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-25 00:36:40,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-25 00:36:40,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 156 transitions. [2023-08-25 00:36:40,012 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4105263157894737 [2023-08-25 00:36:40,012 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 156 transitions. [2023-08-25 00:36:40,013 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 156 transitions. [2023-08-25 00:36:40,014 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 00:36:40,015 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 156 transitions. [2023-08-25 00:36:40,017 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 78.0) internal successors, (156), 2 states have internal predecessors, (156), 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 00:36:40,020 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 190.0) internal successors, (570), 3 states have internal predecessors, (570), 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 00:36:40,020 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 190.0) internal successors, (570), 3 states have internal predecessors, (570), 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 00:36:40,021 INFO L175 Difference]: Start difference. First operand has 36 places, 30 transitions, 66 flow. Second operand 2 states and 156 transitions. [2023-08-25 00:36:40,022 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 21 places, 13 transitions, 58 flow [2023-08-25 00:36:40,024 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 19 places, 13 transitions, 56 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-25 00:36:40,025 INFO L231 Difference]: Finished difference. Result has 19 places, 12 transitions, 28 flow [2023-08-25 00:36:40,026 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=190, PETRI_DIFFERENCE_MINUEND_FLOW=30, PETRI_DIFFERENCE_MINUEND_PLACES=18, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=13, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=28, PETRI_PLACES=19, PETRI_TRANSITIONS=12} [2023-08-25 00:36:40,029 INFO L281 CegarLoopForPetriNet]: 36 programPoint places, -17 predicate places. [2023-08-25 00:36:40,029 INFO L495 AbstractCegarLoop]: Abstraction has has 19 places, 12 transitions, 28 flow [2023-08-25 00:36:40,029 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 64.5) internal successors, (129), 2 states have internal predecessors, (129), 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 00:36:40,029 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 00:36:40,029 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-08-25 00:36:40,030 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-25 00:36:40,030 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONASSERT === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-08-25 00:36:40,030 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 00:36:40,030 INFO L85 PathProgramCache]: Analyzing trace with hash 692146742, now seen corresponding path program 1 times [2023-08-25 00:36:40,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 00:36:40,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914523612] [2023-08-25 00:36:40,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 00:36:40,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 00:36:40,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 00:36:40,159 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 00:36:40,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 00:36:40,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914523612] [2023-08-25 00:36:40,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1914523612] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 00:36:40,159 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 00:36:40,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-25 00:36:40,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823658947] [2023-08-25 00:36:40,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 00:36:40,161 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-25 00:36:40,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 00:36:40,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-25 00:36:40,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-25 00:36:40,162 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 62 out of 190 [2023-08-25 00:36:40,163 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 19 places, 12 transitions, 28 flow. Second operand has 3 states, 3 states have (on average 64.0) internal successors, (192), 3 states have internal predecessors, (192), 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 00:36:40,163 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 00:36:40,163 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 62 of 190 [2023-08-25 00:36:40,163 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 00:36:40,202 INFO L124 PetriNetUnfolderBase]: 59/114 cut-off events. [2023-08-25 00:36:40,202 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 00:36:40,203 INFO L83 FinitePrefix]: Finished finitePrefix Result has 241 conditions, 114 events. 59/114 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 330 event pairs, 24 based on Foata normal form. 2/116 useless extension candidates. Maximal degree in co-relation 238. Up to 107 conditions per place. [2023-08-25 00:36:40,203 INFO L140 encePairwiseOnDemand]: 186/190 looper letters, 15 selfloop transitions, 3 changer transitions 0/18 dead transitions. [2023-08-25 00:36:40,203 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 20 places, 18 transitions, 78 flow [2023-08-25 00:36:40,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-25 00:36:40,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-25 00:36:40,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 205 transitions. [2023-08-25 00:36:40,215 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.35964912280701755 [2023-08-25 00:36:40,215 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 205 transitions. [2023-08-25 00:36:40,215 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 205 transitions. [2023-08-25 00:36:40,216 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 00:36:40,216 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 205 transitions. [2023-08-25 00:36:40,217 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 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 00:36:40,218 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 190.0) internal successors, (760), 4 states have internal predecessors, (760), 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 00:36:40,219 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 190.0) internal successors, (760), 4 states have internal predecessors, (760), 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 00:36:40,219 INFO L175 Difference]: Start difference. First operand has 19 places, 12 transitions, 28 flow. Second operand 3 states and 205 transitions. [2023-08-25 00:36:40,219 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 20 places, 18 transitions, 78 flow [2023-08-25 00:36:40,219 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 20 places, 18 transitions, 78 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-25 00:36:40,220 INFO L231 Difference]: Finished difference. Result has 21 places, 14 transitions, 47 flow [2023-08-25 00:36:40,220 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=190, PETRI_DIFFERENCE_MINUEND_FLOW=28, PETRI_DIFFERENCE_MINUEND_PLACES=18, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=12, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=9, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=47, PETRI_PLACES=21, PETRI_TRANSITIONS=14} [2023-08-25 00:36:40,221 INFO L281 CegarLoopForPetriNet]: 36 programPoint places, -15 predicate places. [2023-08-25 00:36:40,221 INFO L495 AbstractCegarLoop]: Abstraction has has 21 places, 14 transitions, 47 flow [2023-08-25 00:36:40,221 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.0) internal successors, (192), 3 states have internal predecessors, (192), 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 00:36:40,221 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 00:36:40,221 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-08-25 00:36:40,222 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-25 00:36:40,222 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONASSERT === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-08-25 00:36:40,222 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 00:36:40,222 INFO L85 PathProgramCache]: Analyzing trace with hash -18288760, now seen corresponding path program 1 times [2023-08-25 00:36:40,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 00:36:40,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422511355] [2023-08-25 00:36:40,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 00:36:40,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 00:36:40,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 00:36:40,341 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 00:36:40,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 00:36:40,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [422511355] [2023-08-25 00:36:40,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [422511355] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 00:36:40,341 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 00:36:40,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-25 00:36:40,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556047659] [2023-08-25 00:36:40,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 00:36:40,342 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-25 00:36:40,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 00:36:40,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-25 00:36:40,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-25 00:36:40,344 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 62 out of 190 [2023-08-25 00:36:40,344 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 21 places, 14 transitions, 47 flow. Second operand has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 3 states have internal predecessors, (193), 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 00:36:40,344 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 00:36:40,344 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 62 of 190 [2023-08-25 00:36:40,344 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 00:36:40,377 INFO L124 PetriNetUnfolderBase]: 54/106 cut-off events. [2023-08-25 00:36:40,377 INFO L125 PetriNetUnfolderBase]: For 14/14 co-relation queries the response was YES. [2023-08-25 00:36:40,378 INFO L83 FinitePrefix]: Finished finitePrefix Result has 270 conditions, 106 events. 54/106 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 269 event pairs, 16 based on Foata normal form. 3/109 useless extension candidates. Maximal degree in co-relation 265. Up to 81 conditions per place. [2023-08-25 00:36:40,378 INFO L140 encePairwiseOnDemand]: 187/190 looper letters, 16 selfloop transitions, 2 changer transitions 0/18 dead transitions. [2023-08-25 00:36:40,379 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 23 places, 18 transitions, 94 flow [2023-08-25 00:36:40,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-25 00:36:40,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-25 00:36:40,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 203 transitions. [2023-08-25 00:36:40,387 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.356140350877193 [2023-08-25 00:36:40,387 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 203 transitions. [2023-08-25 00:36:40,387 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 203 transitions. [2023-08-25 00:36:40,387 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 00:36:40,387 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 203 transitions. [2023-08-25 00:36:40,388 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 67.66666666666667) internal successors, (203), 3 states have internal predecessors, (203), 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 00:36:40,390 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 190.0) internal successors, (760), 4 states have internal predecessors, (760), 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 00:36:40,390 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 190.0) internal successors, (760), 4 states have internal predecessors, (760), 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 00:36:40,390 INFO L175 Difference]: Start difference. First operand has 21 places, 14 transitions, 47 flow. Second operand 3 states and 203 transitions. [2023-08-25 00:36:40,390 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 23 places, 18 transitions, 94 flow [2023-08-25 00:36:40,391 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 22 places, 18 transitions, 90 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-25 00:36:40,391 INFO L231 Difference]: Finished difference. Result has 23 places, 14 transitions, 52 flow [2023-08-25 00:36:40,391 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=190, PETRI_DIFFERENCE_MINUEND_FLOW=44, PETRI_DIFFERENCE_MINUEND_PLACES=20, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=14, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=12, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=52, PETRI_PLACES=23, PETRI_TRANSITIONS=14} [2023-08-25 00:36:40,392 INFO L281 CegarLoopForPetriNet]: 36 programPoint places, -13 predicate places. [2023-08-25 00:36:40,392 INFO L495 AbstractCegarLoop]: Abstraction has has 23 places, 14 transitions, 52 flow [2023-08-25 00:36:40,392 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 3 states have internal predecessors, (193), 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 00:36:40,392 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 00:36:40,393 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 00:36:40,393 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-25 00:36:40,393 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONASSERT === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-08-25 00:36:40,393 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 00:36:40,393 INFO L85 PathProgramCache]: Analyzing trace with hash -1537515319, now seen corresponding path program 1 times [2023-08-25 00:36:40,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 00:36:40,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613549006] [2023-08-25 00:36:40,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 00:36:40,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 00:36:40,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 00:36:40,490 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 00:36:40,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 00:36:40,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1613549006] [2023-08-25 00:36:40,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1613549006] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 00:36:40,491 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 00:36:40,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-25 00:36:40,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972988155] [2023-08-25 00:36:40,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 00:36:40,491 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-25 00:36:40,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 00:36:40,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-25 00:36:40,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-08-25 00:36:40,496 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 190 [2023-08-25 00:36:40,496 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 23 places, 14 transitions, 52 flow. Second operand has 4 states, 4 states have (on average 63.0) internal successors, (252), 4 states have internal predecessors, (252), 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 00:36:40,497 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 00:36:40,497 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 190 [2023-08-25 00:36:40,497 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 00:36:40,556 INFO L124 PetriNetUnfolderBase]: 54/113 cut-off events. [2023-08-25 00:36:40,556 INFO L125 PetriNetUnfolderBase]: For 56/56 co-relation queries the response was YES. [2023-08-25 00:36:40,559 INFO L83 FinitePrefix]: Finished finitePrefix Result has 296 conditions, 113 events. 54/113 cut-off events. For 56/56 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 360 event pairs, 15 based on Foata normal form. 11/124 useless extension candidates. Maximal degree in co-relation 290. Up to 40 conditions per place. [2023-08-25 00:36:40,559 INFO L140 encePairwiseOnDemand]: 186/190 looper letters, 14 selfloop transitions, 3 changer transitions 7/24 dead transitions. [2023-08-25 00:36:40,559 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 26 places, 24 transitions, 129 flow [2023-08-25 00:36:40,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-08-25 00:36:40,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-08-25 00:36:40,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 268 transitions. [2023-08-25 00:36:40,562 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3526315789473684 [2023-08-25 00:36:40,562 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 268 transitions. [2023-08-25 00:36:40,562 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 268 transitions. [2023-08-25 00:36:40,562 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 00:36:40,562 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 268 transitions. [2023-08-25 00:36:40,563 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 67.0) internal successors, (268), 4 states have internal predecessors, (268), 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 00:36:40,566 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 190.0) internal successors, (950), 5 states have internal predecessors, (950), 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 00:36:40,567 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 190.0) internal successors, (950), 5 states have internal predecessors, (950), 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 00:36:40,567 INFO L175 Difference]: Start difference. First operand has 23 places, 14 transitions, 52 flow. Second operand 4 states and 268 transitions. [2023-08-25 00:36:40,567 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 26 places, 24 transitions, 129 flow [2023-08-25 00:36:40,568 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 24 places, 24 transitions, 123 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-25 00:36:40,569 INFO L231 Difference]: Finished difference. Result has 26 places, 12 transitions, 54 flow [2023-08-25 00:36:40,569 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=190, PETRI_DIFFERENCE_MINUEND_FLOW=48, PETRI_DIFFERENCE_MINUEND_PLACES=21, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=14, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=11, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=54, PETRI_PLACES=26, PETRI_TRANSITIONS=12} [2023-08-25 00:36:40,570 INFO L281 CegarLoopForPetriNet]: 36 programPoint places, -10 predicate places. [2023-08-25 00:36:40,570 INFO L495 AbstractCegarLoop]: Abstraction has has 26 places, 12 transitions, 54 flow [2023-08-25 00:36:40,570 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 63.0) internal successors, (252), 4 states have internal predecessors, (252), 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 00:36:40,571 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 00:36:40,571 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 00:36:40,571 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-25 00:36:40,571 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONASSERT === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-08-25 00:36:40,572 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 00:36:40,572 INFO L85 PathProgramCache]: Analyzing trace with hash -418369116, now seen corresponding path program 1 times [2023-08-25 00:36:40,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 00:36:40,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028986983] [2023-08-25 00:36:40,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 00:36:40,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 00:36:40,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 00:36:40,765 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 00:36:40,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 00:36:40,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028986983] [2023-08-25 00:36:40,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2028986983] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 00:36:40,766 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 00:36:40,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-25 00:36:40,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895297336] [2023-08-25 00:36:40,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 00:36:40,767 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-25 00:36:40,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 00:36:40,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-25 00:36:40,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-08-25 00:36:40,769 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 60 out of 190 [2023-08-25 00:36:40,770 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 26 places, 12 transitions, 54 flow. Second operand has 4 states, 4 states have (on average 62.25) internal successors, (249), 4 states have internal predecessors, (249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 00:36:40,770 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 00:36:40,772 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 60 of 190 [2023-08-25 00:36:40,773 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 00:36:40,817 INFO L124 PetriNetUnfolderBase]: 23/61 cut-off events. [2023-08-25 00:36:40,818 INFO L125 PetriNetUnfolderBase]: For 93/93 co-relation queries the response was YES. [2023-08-25 00:36:40,818 INFO L83 FinitePrefix]: Finished finitePrefix Result has 191 conditions, 61 events. 23/61 cut-off events. For 93/93 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 154 event pairs, 8 based on Foata normal form. 6/67 useless extension candidates. Maximal degree in co-relation 183. Up to 25 conditions per place. [2023-08-25 00:36:40,818 INFO L140 encePairwiseOnDemand]: 185/190 looper letters, 18 selfloop transitions, 4 changer transitions 1/23 dead transitions. [2023-08-25 00:36:40,818 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 29 places, 23 transitions, 136 flow [2023-08-25 00:36:40,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-08-25 00:36:40,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-08-25 00:36:40,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 265 transitions. [2023-08-25 00:36:40,826 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.34868421052631576 [2023-08-25 00:36:40,826 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 265 transitions. [2023-08-25 00:36:40,826 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 265 transitions. [2023-08-25 00:36:40,826 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 00:36:40,827 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 265 transitions. [2023-08-25 00:36:40,828 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 66.25) internal successors, (265), 4 states have internal predecessors, (265), 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 00:36:40,829 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 190.0) internal successors, (950), 5 states have internal predecessors, (950), 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 00:36:40,830 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 190.0) internal successors, (950), 5 states have internal predecessors, (950), 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 00:36:40,830 INFO L175 Difference]: Start difference. First operand has 26 places, 12 transitions, 54 flow. Second operand 4 states and 265 transitions. [2023-08-25 00:36:40,830 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 29 places, 23 transitions, 136 flow [2023-08-25 00:36:40,832 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 24 places, 23 transitions, 118 flow, removed 2 selfloop flow, removed 5 redundant places. [2023-08-25 00:36:40,833 INFO L231 Difference]: Finished difference. Result has 26 places, 14 transitions, 66 flow [2023-08-25 00:36:40,833 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=190, PETRI_DIFFERENCE_MINUEND_FLOW=40, PETRI_DIFFERENCE_MINUEND_PLACES=21, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=12, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=8, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=66, PETRI_PLACES=26, PETRI_TRANSITIONS=14} [2023-08-25 00:36:40,835 INFO L281 CegarLoopForPetriNet]: 36 programPoint places, -10 predicate places. [2023-08-25 00:36:40,835 INFO L495 AbstractCegarLoop]: Abstraction has has 26 places, 14 transitions, 66 flow [2023-08-25 00:36:40,835 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 62.25) internal successors, (249), 4 states have internal predecessors, (249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 00:36:40,835 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 00:36:40,836 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 00:36:40,837 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-25 00:36:40,837 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONASSERT === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-08-25 00:36:40,838 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 00:36:40,838 INFO L85 PathProgramCache]: Analyzing trace with hash -712403683, now seen corresponding path program 1 times [2023-08-25 00:36:40,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 00:36:40,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835928930] [2023-08-25 00:36:40,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 00:36:40,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 00:36:40,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 00:36:40,979 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 00:36:40,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 00:36:40,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835928930] [2023-08-25 00:36:40,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1835928930] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 00:36:40,980 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 00:36:40,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-25 00:36:40,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3951165] [2023-08-25 00:36:40,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 00:36:40,980 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-08-25 00:36:40,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 00:36:40,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-08-25 00:36:40,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-08-25 00:36:40,982 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 60 out of 190 [2023-08-25 00:36:40,982 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 26 places, 14 transitions, 66 flow. Second operand has 5 states, 5 states have (on average 62.0) internal successors, (310), 5 states have internal predecessors, (310), 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 00:36:40,982 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 00:36:40,982 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 60 of 190 [2023-08-25 00:36:40,982 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 00:36:41,020 INFO L124 PetriNetUnfolderBase]: 12/38 cut-off events. [2023-08-25 00:36:41,020 INFO L125 PetriNetUnfolderBase]: For 37/37 co-relation queries the response was YES. [2023-08-25 00:36:41,020 INFO L83 FinitePrefix]: Finished finitePrefix Result has 137 conditions, 38 events. 12/38 cut-off events. For 37/37 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 60 event pairs, 4 based on Foata normal form. 4/42 useless extension candidates. Maximal degree in co-relation 129. Up to 16 conditions per place. [2023-08-25 00:36:41,020 INFO L140 encePairwiseOnDemand]: 185/190 looper letters, 12 selfloop transitions, 6 changer transitions 1/19 dead transitions. [2023-08-25 00:36:41,021 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 30 places, 19 transitions, 123 flow [2023-08-25 00:36:41,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-25 00:36:41,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-25 00:36:41,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 321 transitions. [2023-08-25 00:36:41,022 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.33789473684210525 [2023-08-25 00:36:41,022 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 321 transitions. [2023-08-25 00:36:41,022 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 321 transitions. [2023-08-25 00:36:41,023 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 00:36:41,023 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 321 transitions. [2023-08-25 00:36:41,024 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 64.2) internal successors, (321), 5 states have internal predecessors, (321), 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 00:36:41,026 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 190.0) internal successors, (1140), 6 states have internal predecessors, (1140), 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 00:36:41,027 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 190.0) internal successors, (1140), 6 states have internal predecessors, (1140), 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 00:36:41,027 INFO L175 Difference]: Start difference. First operand has 26 places, 14 transitions, 66 flow. Second operand 5 states and 321 transitions. [2023-08-25 00:36:41,027 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 30 places, 19 transitions, 123 flow [2023-08-25 00:36:41,029 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 28 places, 19 transitions, 110 flow, removed 3 selfloop flow, removed 2 redundant places. [2023-08-25 00:36:41,030 INFO L231 Difference]: Finished difference. Result has 30 places, 14 transitions, 80 flow [2023-08-25 00:36:41,031 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=190, PETRI_DIFFERENCE_MINUEND_FLOW=57, PETRI_DIFFERENCE_MINUEND_PLACES=24, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=14, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=8, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=80, PETRI_PLACES=30, PETRI_TRANSITIONS=14} [2023-08-25 00:36:41,033 INFO L281 CegarLoopForPetriNet]: 36 programPoint places, -6 predicate places. [2023-08-25 00:36:41,035 INFO L495 AbstractCegarLoop]: Abstraction has has 30 places, 14 transitions, 80 flow [2023-08-25 00:36:41,036 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 62.0) internal successors, (310), 5 states have internal predecessors, (310), 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 00:36:41,036 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 00:36:41,036 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 00:36:41,036 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-25 00:36:41,037 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONASSERT === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-08-25 00:36:41,037 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 00:36:41,037 INFO L85 PathProgramCache]: Analyzing trace with hash -1782119687, now seen corresponding path program 1 times [2023-08-25 00:36:41,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 00:36:41,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621819989] [2023-08-25 00:36:41,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 00:36:41,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 00:36:41,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 00:36:41,076 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 00:36:41,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 00:36:41,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621819989] [2023-08-25 00:36:41,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [621819989] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 00:36:41,077 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 00:36:41,077 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-25 00:36:41,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30578647] [2023-08-25 00:36:41,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 00:36:41,078 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-25 00:36:41,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 00:36:41,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-25 00:36:41,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-25 00:36:41,079 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 62 out of 190 [2023-08-25 00:36:41,079 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 30 places, 14 transitions, 80 flow. Second operand has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 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 00:36:41,079 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 00:36:41,079 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 62 of 190 [2023-08-25 00:36:41,079 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 00:36:41,097 INFO L124 PetriNetUnfolderBase]: 9/29 cut-off events. [2023-08-25 00:36:41,097 INFO L125 PetriNetUnfolderBase]: For 39/39 co-relation queries the response was YES. [2023-08-25 00:36:41,097 INFO L83 FinitePrefix]: Finished finitePrefix Result has 113 conditions, 29 events. 9/29 cut-off events. For 39/39 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 36 event pairs, 7 based on Foata normal form. 1/30 useless extension candidates. Maximal degree in co-relation 104. Up to 23 conditions per place. [2023-08-25 00:36:41,097 INFO L140 encePairwiseOnDemand]: 188/190 looper letters, 0 selfloop transitions, 0 changer transitions 14/14 dead transitions. [2023-08-25 00:36:41,097 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 14 transitions, 104 flow [2023-08-25 00:36:41,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-25 00:36:41,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-25 00:36:41,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 199 transitions. [2023-08-25 00:36:41,099 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.34912280701754383 [2023-08-25 00:36:41,099 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 199 transitions. [2023-08-25 00:36:41,099 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 199 transitions. [2023-08-25 00:36:41,099 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 00:36:41,099 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 199 transitions. [2023-08-25 00:36:41,100 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 66.33333333333333) internal successors, (199), 3 states have internal predecessors, (199), 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 00:36:41,101 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 190.0) internal successors, (760), 4 states have internal predecessors, (760), 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 00:36:41,101 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 190.0) internal successors, (760), 4 states have internal predecessors, (760), 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 00:36:41,101 INFO L175 Difference]: Start difference. First operand has 30 places, 14 transitions, 80 flow. Second operand 3 states and 199 transitions. [2023-08-25 00:36:41,101 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 14 transitions, 104 flow [2023-08-25 00:36:41,103 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 22 places, 14 transitions, 72 flow, removed 2 selfloop flow, removed 9 redundant places. [2023-08-25 00:36:41,103 INFO L231 Difference]: Finished difference. Result has 22 places, 0 transitions, 0 flow [2023-08-25 00:36:41,103 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=190, PETRI_DIFFERENCE_MINUEND_FLOW=40, PETRI_DIFFERENCE_MINUEND_PLACES=20, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=13, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=22, PETRI_TRANSITIONS=0} [2023-08-25 00:36:41,106 INFO L281 CegarLoopForPetriNet]: 36 programPoint places, -14 predicate places. [2023-08-25 00:36:41,107 INFO L495 AbstractCegarLoop]: Abstraction has has 22 places, 0 transitions, 0 flow [2023-08-25 00:36:41,108 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 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 00:36:41,113 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONDATA_RACE (27 of 28 remaining) [2023-08-25 00:36:41,115 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONDATA_RACE (26 of 28 remaining) [2023-08-25 00:36:41,115 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err2ASSERT_VIOLATIONDATA_RACE (25 of 28 remaining) [2023-08-25 00:36:41,116 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err3ASSERT_VIOLATIONDATA_RACE (24 of 28 remaining) [2023-08-25 00:36:41,116 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONDATA_RACE (23 of 28 remaining) [2023-08-25 00:36:41,117 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONDATA_RACE (22 of 28 remaining) [2023-08-25 00:36:41,117 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err2ASSERT_VIOLATIONDATA_RACE (21 of 28 remaining) [2023-08-25 00:36:41,117 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err3ASSERT_VIOLATIONDATA_RACE (20 of 28 remaining) [2023-08-25 00:36:41,117 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err4ASSERT_VIOLATIONDATA_RACE (19 of 28 remaining) [2023-08-25 00:36:41,117 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (18 of 28 remaining) [2023-08-25 00:36:41,117 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (17 of 28 remaining) [2023-08-25 00:36:41,117 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (16 of 28 remaining) [2023-08-25 00:36:41,118 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (15 of 28 remaining) [2023-08-25 00:36:41,118 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (14 of 28 remaining) [2023-08-25 00:36:41,118 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (13 of 28 remaining) [2023-08-25 00:36:41,118 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (12 of 28 remaining) [2023-08-25 00:36:41,118 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONASSERT (11 of 28 remaining) [2023-08-25 00:36:41,118 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 28 remaining) [2023-08-25 00:36:41,118 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 28 remaining) [2023-08-25 00:36:41,119 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONDATA_RACE (8 of 28 remaining) [2023-08-25 00:36:41,122 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONDATA_RACE (7 of 28 remaining) [2023-08-25 00:36:41,122 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err2ASSERT_VIOLATIONDATA_RACE (6 of 28 remaining) [2023-08-25 00:36:41,123 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err3ASSERT_VIOLATIONDATA_RACE (5 of 28 remaining) [2023-08-25 00:36:41,123 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONDATA_RACE (4 of 28 remaining) [2023-08-25 00:36:41,124 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONDATA_RACE (3 of 28 remaining) [2023-08-25 00:36:41,125 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err2ASSERT_VIOLATIONDATA_RACE (2 of 28 remaining) [2023-08-25 00:36:41,125 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err3ASSERT_VIOLATIONDATA_RACE (1 of 28 remaining) [2023-08-25 00:36:41,125 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err4ASSERT_VIOLATIONDATA_RACE (0 of 28 remaining) [2023-08-25 00:36:41,125 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-25 00:36:41,125 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2023-08-25 00:36:41,130 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-25 00:36:41,130 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-25 00:36:41,134 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.08 12:36:41 BasicIcfg [2023-08-25 00:36:41,134 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-25 00:36:41,135 INFO L158 Benchmark]: Toolchain (without parser) took 5773.79ms. Allocated memory was 388.0MB in the beginning and 492.8MB in the end (delta: 104.9MB). Free memory was 362.5MB in the beginning and 269.4MB in the end (delta: 93.1MB). Peak memory consumption was 196.5MB. Max. memory is 16.0GB. [2023-08-25 00:36:41,135 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 388.0MB. Free memory was 365.1MB in the beginning and 365.0MB in the end (delta: 94.3kB). There was no memory consumed. Max. memory is 16.0GB. [2023-08-25 00:36:41,135 INFO L158 Benchmark]: CACSL2BoogieTranslator took 489.67ms. Allocated memory is still 388.0MB. Free memory was 362.5MB in the beginning and 342.4MB in the end (delta: 20.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. [2023-08-25 00:36:41,135 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.78ms. Allocated memory is still 388.0MB. Free memory was 342.4MB in the beginning and 340.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-08-25 00:36:41,135 INFO L158 Benchmark]: Boogie Preprocessor took 38.74ms. Allocated memory is still 388.0MB. Free memory was 340.3MB in the beginning and 338.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-08-25 00:36:41,136 INFO L158 Benchmark]: RCFGBuilder took 594.25ms. Allocated memory is still 388.0MB. Free memory was 338.7MB in the beginning and 315.1MB in the end (delta: 23.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.0GB. [2023-08-25 00:36:41,136 INFO L158 Benchmark]: TraceAbstraction took 4585.09ms. Allocated memory was 388.0MB in the beginning and 492.8MB in the end (delta: 104.9MB). Free memory was 314.3MB in the beginning and 269.4MB in the end (delta: 44.9MB). Peak memory consumption was 148.2MB. Max. memory is 16.0GB. [2023-08-25 00:36:41,139 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 388.0MB. Free memory was 365.1MB in the beginning and 365.0MB in the end (delta: 94.3kB). There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 489.67ms. Allocated memory is still 388.0MB. Free memory was 362.5MB in the beginning and 342.4MB in the end (delta: 20.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 59.78ms. Allocated memory is still 388.0MB. Free memory was 342.4MB in the beginning and 340.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 38.74ms. Allocated memory is still 388.0MB. Free memory was 340.3MB in the beginning and 338.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 594.25ms. Allocated memory is still 388.0MB. Free memory was 338.7MB in the beginning and 315.1MB in the end (delta: 23.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.0GB. * TraceAbstraction took 4585.09ms. Allocated memory was 388.0MB in the beginning and 492.8MB in the end (delta: 104.9MB). Free memory was 314.3MB in the beginning and 269.4MB in the end (delta: 44.9MB). Peak memory consumption was 148.2MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 267]: Unsoundness Warning unspecified type, defaulting to int C: short [267] - GenericResultAtLocation [Line: 267]: Unsoundness Warning unspecified type, defaulting to int C: short [267] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.0s, 93 PlacesBefore, 36 PlacesAfterwards, 89 TransitionsBefore, 30 TransitionsAfterwards, 2082 CoEnabledTransitionPairs, 8 FixpointIterations, 18 TrivialSequentialCompositions, 70 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 9 ConcurrentYvCompositions, 2 ChoiceCompositions, 99 TotalNumberOfCompositions, 7232 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 4092, independent: 3884, independent conditional: 0, independent unconditional: 3884, dependent: 208, dependent conditional: 0, dependent unconditional: 208, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1238, independent: 1199, independent conditional: 0, independent unconditional: 1199, dependent: 39, dependent conditional: 0, dependent unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4092, independent: 2685, independent conditional: 0, independent unconditional: 2685, dependent: 169, dependent conditional: 0, dependent unconditional: 169, unknown: 1238, unknown conditional: 0, unknown unconditional: 1238] , Statistics on independence cache: Total cache size (in pairs): 127, Positive cache size: 114, Positive conditional cache size: 0, Positive unconditional cache size: 114, Negative cache size: 13, Negative conditional cache size: 0, Negative unconditional cache size: 13, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 720]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 723]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 728]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 728]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 735]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 735]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 738]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 743]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 743]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 763]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 763]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 765]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 769]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 769]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 769]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 771]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 17]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 114 locations, 28 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: 4.5s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 58 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 58 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 153 IncrementalHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 0 mSDtfsCounter, 153 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=80occurred in iteration=6, InterpolantAutomatonStates: 24, 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: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 55 NumberOfCodeBlocks, 55 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 48 ConstructedInterpolants, 0 QuantifiedInterpolants, 139 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 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 - AllSpecificationsHoldResult: All specifications hold 17 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-25 00:36:41,160 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 Received shutdown request...