/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 --traceabstraction.order.of.the.error.locations.to.be.checked PROGRAM_FIRST -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true -i ../../../trunk/examples/svcomp/weaver/security.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-ac9dbd0-m [2023-08-26 10:57:31,193 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-08-26 10:57:31,279 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 [2023-08-26 10:57:31,284 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-08-26 10:57:31,284 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-08-26 10:57:31,318 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-26 10:57:31,318 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-26 10:57:31,323 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-26 10:57:31,324 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-26 10:57:31,327 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-08-26 10:57:31,327 INFO L153 SettingsManager]: * Use SBE=true [2023-08-26 10:57:31,328 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-26 10:57:31,328 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-26 10:57:31,329 INFO L153 SettingsManager]: * sizeof long=4 [2023-08-26 10:57:31,329 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-26 10:57:31,329 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-08-26 10:57:31,330 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-08-26 10:57:31,330 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-26 10:57:31,330 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-26 10:57:31,330 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-26 10:57:31,330 INFO L153 SettingsManager]: * sizeof long double=12 [2023-08-26 10:57:31,331 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-08-26 10:57:31,331 INFO L153 SettingsManager]: * Use constant arrays=true [2023-08-26 10:57:31,332 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-26 10:57:31,332 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-26 10:57:31,332 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-08-26 10:57:31,332 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-26 10:57:31,333 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-26 10:57:31,333 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-26 10:57:31,333 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-26 10:57:31,334 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-26 10:57:31,334 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-26 10:57:31,334 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-26 10:57:31,334 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-26 10:57:31,334 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-26 10:57:31,335 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Order of the error locations to be checked -> PROGRAM_FIRST Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true [2023-08-26 10:57:31,657 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-26 10:57:31,678 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-26 10:57:31,680 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-26 10:57:31,681 INFO L270 PluginConnector]: Initializing CDTParser... [2023-08-26 10:57:31,683 INFO L274 PluginConnector]: CDTParser initialized [2023-08-26 10:57:31,684 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/security.wvr.c [2023-08-26 10:57:32,931 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-08-26 10:57:33,184 INFO L384 CDTParser]: Found 1 translation units. [2023-08-26 10:57:33,184 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/security.wvr.c [2023-08-26 10:57:33,192 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33c902daa/4d9c3fcfc1f54d0ca7f911b490377c8d/FLAG8bdaa3d65 [2023-08-26 10:57:33,208 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33c902daa/4d9c3fcfc1f54d0ca7f911b490377c8d [2023-08-26 10:57:33,213 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-26 10:57:33,214 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-08-26 10:57:33,217 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-26 10:57:33,217 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-26 10:57:33,220 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-26 10:57:33,221 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 10:57:33" (1/1) ... [2023-08-26 10:57:33,222 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3718c91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 10:57:33, skipping insertion in model container [2023-08-26 10:57:33,222 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 10:57:33" (1/1) ... [2023-08-26 10:57:33,241 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-08-26 10:57:33,411 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-26 10:57:33,423 INFO L201 MainTranslator]: Completed pre-run [2023-08-26 10:57:33,458 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-26 10:57:33,471 INFO L206 MainTranslator]: Completed translation [2023-08-26 10:57:33,472 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 10:57:33 WrapperNode [2023-08-26 10:57:33,472 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-26 10:57:33,473 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-26 10:57:33,473 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-26 10:57:33,473 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-26 10:57:33,479 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 10:57:33" (1/1) ... [2023-08-26 10:57:33,494 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 10:57:33" (1/1) ... [2023-08-26 10:57:33,521 INFO L138 Inliner]: procedures = 21, calls = 20, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 74 [2023-08-26 10:57:33,521 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-26 10:57:33,522 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-26 10:57:33,522 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-26 10:57:33,522 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-08-26 10:57:33,529 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 10:57:33" (1/1) ... [2023-08-26 10:57:33,530 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 10:57:33" (1/1) ... [2023-08-26 10:57:33,541 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 10:57:33" (1/1) ... [2023-08-26 10:57:33,541 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 10:57:33" (1/1) ... [2023-08-26 10:57:33,552 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 10:57:33" (1/1) ... [2023-08-26 10:57:33,554 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 10:57:33" (1/1) ... [2023-08-26 10:57:33,555 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 10:57:33" (1/1) ... [2023-08-26 10:57:33,555 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 10:57:33" (1/1) ... [2023-08-26 10:57:33,557 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-26 10:57:33,562 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-26 10:57:33,562 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-08-26 10:57:33,563 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-08-26 10:57:33,563 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 10:57:33" (1/1) ... [2023-08-26 10:57:33,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-26 10:57:33,577 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-26 10:57:33,588 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) [2023-08-26 10:57:33,610 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 [2023-08-26 10:57:33,628 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-26 10:57:33,628 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-26 10:57:33,628 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-26 10:57:33,628 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-26 10:57:33,628 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-26 10:57:33,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-26 10:57:33,629 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-26 10:57:33,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-26 10:57:33,629 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-26 10:57:33,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-26 10:57:33,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-26 10:57:33,630 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-26 10:57:33,631 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-26 10:57:33,736 INFO L236 CfgBuilder]: Building ICFG [2023-08-26 10:57:33,738 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-26 10:57:33,975 INFO L277 CfgBuilder]: Performing block encoding [2023-08-26 10:57:33,983 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-26 10:57:33,984 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-26 10:57:33,986 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 10:57:33 BoogieIcfgContainer [2023-08-26 10:57:33,986 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-26 10:57:33,988 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-26 10:57:33,988 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-08-26 10:57:33,991 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-08-26 10:57:33,991 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.08 10:57:33" (1/3) ... [2023-08-26 10:57:33,992 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66c82e77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 10:57:33, skipping insertion in model container [2023-08-26 10:57:33,992 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 10:57:33" (2/3) ... [2023-08-26 10:57:33,992 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66c82e77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 10:57:33, skipping insertion in model container [2023-08-26 10:57:33,992 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 10:57:33" (3/3) ... [2023-08-26 10:57:33,993 INFO L112 eAbstractionObserver]: Analyzing ICFG security.wvr.c [2023-08-26 10:57:34,006 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-26 10:57:34,007 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 20 error locations. [2023-08-26 10:57:34,007 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-26 10:57:34,084 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-26 10:57:34,120 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 165 places, 161 transitions, 338 flow [2023-08-26 10:57:34,213 INFO L124 PetriNetUnfolderBase]: 3/159 cut-off events. [2023-08-26 10:57:34,213 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-08-26 10:57:34,222 INFO L83 FinitePrefix]: Finished finitePrefix Result has 168 conditions, 159 events. 3/159 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 252 event pairs, 0 based on Foata normal form. 0/136 useless extension candidates. Maximal degree in co-relation 99. Up to 2 conditions per place. [2023-08-26 10:57:34,231 INFO L82 GeneralOperation]: Start removeDead. Operand has 165 places, 161 transitions, 338 flow [2023-08-26 10:57:34,236 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 154 places, 150 transitions, 312 flow [2023-08-26 10:57:34,239 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-26 10:57:34,246 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 154 places, 150 transitions, 312 flow [2023-08-26 10:57:34,248 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 154 places, 150 transitions, 312 flow [2023-08-26 10:57:34,249 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 154 places, 150 transitions, 312 flow [2023-08-26 10:57:34,288 INFO L124 PetriNetUnfolderBase]: 3/150 cut-off events. [2023-08-26 10:57:34,288 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-08-26 10:57:34,289 INFO L83 FinitePrefix]: Finished finitePrefix Result has 159 conditions, 150 events. 3/150 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 251 event pairs, 0 based on Foata normal form. 0/128 useless extension candidates. Maximal degree in co-relation 99. Up to 2 conditions per place. [2023-08-26 10:57:34,292 INFO L119 LiptonReduction]: Number of co-enabled transitions 5840 [2023-08-26 10:57:37,838 INFO L134 LiptonReduction]: Checked pairs total: 6963 [2023-08-26 10:57:37,838 INFO L136 LiptonReduction]: Total number of compositions: 174 [2023-08-26 10:57:37,851 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-26 10:57:37,856 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;@8794240, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-26 10:57:37,857 INFO L358 AbstractCegarLoop]: Starting to check reachability of 36 error locations. [2023-08-26 10:57:37,858 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-26 10:57:37,858 INFO L124 PetriNetUnfolderBase]: 0/0 cut-off events. [2023-08-26 10:57:37,858 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-26 10:57:37,858 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 10:57:37,859 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-26 10:57:37,859 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2023-08-26 10:57:37,863 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 10:57:37,863 INFO L85 PathProgramCache]: Analyzing trace with hash 613, now seen corresponding path program 1 times [2023-08-26 10:57:37,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 10:57:37,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362249552] [2023-08-26 10:57:37,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 10:57:37,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 10:57:37,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 10:57:37,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 10:57:37,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 10:57:37,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362249552] [2023-08-26 10:57:37,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1362249552] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 10:57:37,951 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 10:57:37,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-26 10:57:37,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710807654] [2023-08-26 10:57:37,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 10:57:37,959 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-26 10:57:37,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 10:57:37,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-26 10:57:37,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-26 10:57:37,987 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 155 out of 335 [2023-08-26 10:57:37,992 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 32 transitions, 76 flow. Second operand has 2 states, 2 states have (on average 155.5) internal successors, (311), 2 states have internal predecessors, (311), 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) [2023-08-26 10:57:37,992 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 10:57:37,992 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 155 of 335 [2023-08-26 10:57:37,993 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 10:57:38,055 INFO L124 PetriNetUnfolderBase]: 24/62 cut-off events. [2023-08-26 10:57:38,055 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2023-08-26 10:57:38,058 INFO L83 FinitePrefix]: Finished finitePrefix Result has 135 conditions, 62 events. 24/62 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 144 event pairs, 24 based on Foata normal form. 0/62 useless extension candidates. Maximal degree in co-relation 97. Up to 58 conditions per place. [2023-08-26 10:57:38,059 INFO L140 encePairwiseOnDemand]: 318/335 looper letters, 13 selfloop transitions, 0 changer transitions 0/15 dead transitions. [2023-08-26 10:57:38,060 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 23 places, 15 transitions, 68 flow [2023-08-26 10:57:38,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-26 10:57:38,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-26 10:57:38,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 340 transitions. [2023-08-26 10:57:38,079 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5074626865671642 [2023-08-26 10:57:38,080 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 340 transitions. [2023-08-26 10:57:38,080 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 340 transitions. [2023-08-26 10:57:38,083 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 10:57:38,085 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 340 transitions. [2023-08-26 10:57:38,090 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 170.0) internal successors, (340), 2 states have internal predecessors, (340), 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) [2023-08-26 10:57:38,094 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 335.0) internal successors, (1005), 3 states have internal predecessors, (1005), 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) [2023-08-26 10:57:38,095 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 335.0) internal successors, (1005), 3 states have internal predecessors, (1005), 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) [2023-08-26 10:57:38,098 INFO L175 Difference]: Start difference. First operand has 39 places, 32 transitions, 76 flow. Second operand 2 states and 340 transitions. [2023-08-26 10:57:38,098 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 23 places, 15 transitions, 68 flow [2023-08-26 10:57:38,101 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 19 places, 15 transitions, 60 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-26 10:57:38,102 INFO L231 Difference]: Finished difference. Result has 19 places, 15 transitions, 34 flow [2023-08-26 10:57:38,104 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=335, PETRI_DIFFERENCE_MINUEND_FLOW=34, PETRI_DIFFERENCE_MINUEND_PLACES=18, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=15, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=34, PETRI_PLACES=19, PETRI_TRANSITIONS=15} [2023-08-26 10:57:38,108 INFO L281 CegarLoopForPetriNet]: 39 programPoint places, -20 predicate places. [2023-08-26 10:57:38,108 INFO L495 AbstractCegarLoop]: Abstraction has has 19 places, 15 transitions, 34 flow [2023-08-26 10:57:38,109 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 155.5) internal successors, (311), 2 states have internal predecessors, (311), 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) [2023-08-26 10:57:38,109 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 10:57:38,109 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2023-08-26 10:57:38,109 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-26 10:57:38,110 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2023-08-26 10:57:38,110 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 10:57:38,110 INFO L85 PathProgramCache]: Analyzing trace with hash 18886989, now seen corresponding path program 1 times [2023-08-26 10:57:38,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 10:57:38,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548189398] [2023-08-26 10:57:38,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 10:57:38,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 10:57:38,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 10:57:38,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 10:57:38,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 10:57:38,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548189398] [2023-08-26 10:57:38,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1548189398] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 10:57:38,221 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 10:57:38,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-26 10:57:38,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854025486] [2023-08-26 10:57:38,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 10:57:38,222 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-26 10:57:38,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 10:57:38,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-26 10:57:38,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-26 10:57:38,223 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 335 [2023-08-26 10:57:38,224 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 19 places, 15 transitions, 34 flow. Second operand has 3 states, 3 states have (on average 147.33333333333334) internal successors, (442), 3 states have internal predecessors, (442), 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) [2023-08-26 10:57:38,224 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 10:57:38,224 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 335 [2023-08-26 10:57:38,224 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 10:57:38,279 INFO L124 PetriNetUnfolderBase]: 24/57 cut-off events. [2023-08-26 10:57:38,279 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-08-26 10:57:38,280 INFO L83 FinitePrefix]: Finished finitePrefix Result has 121 conditions, 57 events. 24/57 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 123 event pairs, 8 based on Foata normal form. 0/57 useless extension candidates. Maximal degree in co-relation 118. Up to 52 conditions per place. [2023-08-26 10:57:38,281 INFO L140 encePairwiseOnDemand]: 331/335 looper letters, 16 selfloop transitions, 2 changer transitions 0/18 dead transitions. [2023-08-26 10:57:38,281 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 19 places, 18 transitions, 77 flow [2023-08-26 10:57:38,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-26 10:57:38,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-26 10:57:38,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 458 transitions. [2023-08-26 10:57:38,284 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4557213930348259 [2023-08-26 10:57:38,284 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 458 transitions. [2023-08-26 10:57:38,284 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 458 transitions. [2023-08-26 10:57:38,284 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 10:57:38,285 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 458 transitions. [2023-08-26 10:57:38,286 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 152.66666666666666) internal successors, (458), 3 states have internal predecessors, (458), 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) [2023-08-26 10:57:38,290 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 335.0) internal successors, (1340), 4 states have internal predecessors, (1340), 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) [2023-08-26 10:57:38,291 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 335.0) internal successors, (1340), 4 states have internal predecessors, (1340), 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) [2023-08-26 10:57:38,291 INFO L175 Difference]: Start difference. First operand has 19 places, 15 transitions, 34 flow. Second operand 3 states and 458 transitions. [2023-08-26 10:57:38,291 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 19 places, 18 transitions, 77 flow [2023-08-26 10:57:38,291 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 19 places, 18 transitions, 77 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-26 10:57:38,292 INFO L231 Difference]: Finished difference. Result has 20 places, 15 transitions, 44 flow [2023-08-26 10:57:38,293 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=335, PETRI_DIFFERENCE_MINUEND_FLOW=30, PETRI_DIFFERENCE_MINUEND_PLACES=17, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=13, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=11, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=44, PETRI_PLACES=20, PETRI_TRANSITIONS=15} [2023-08-26 10:57:38,293 INFO L281 CegarLoopForPetriNet]: 39 programPoint places, -19 predicate places. [2023-08-26 10:57:38,294 INFO L495 AbstractCegarLoop]: Abstraction has has 20 places, 15 transitions, 44 flow [2023-08-26 10:57:38,294 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 147.33333333333334) internal successors, (442), 3 states have internal predecessors, (442), 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) [2023-08-26 10:57:38,294 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 10:57:38,294 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-26 10:57:38,295 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-26 10:57:38,295 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2023-08-26 10:57:38,297 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 10:57:38,298 INFO L85 PathProgramCache]: Analyzing trace with hash 1580298827, now seen corresponding path program 1 times [2023-08-26 10:57:38,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 10:57:38,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202976313] [2023-08-26 10:57:38,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 10:57:38,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 10:57:38,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 10:57:38,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 10:57:38,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 10:57:38,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202976313] [2023-08-26 10:57:38,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202976313] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 10:57:38,947 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 10:57:38,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-26 10:57:38,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067417611] [2023-08-26 10:57:38,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 10:57:38,949 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-26 10:57:38,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 10:57:38,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-26 10:57:38,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-08-26 10:57:38,952 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 142 out of 335 [2023-08-26 10:57:38,953 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 20 places, 15 transitions, 44 flow. Second operand has 6 states, 6 states have (on average 144.16666666666666) internal successors, (865), 6 states have internal predecessors, (865), 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) [2023-08-26 10:57:38,953 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 10:57:38,953 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 142 of 335 [2023-08-26 10:57:38,953 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 10:57:39,106 INFO L124 PetriNetUnfolderBase]: 26/68 cut-off events. [2023-08-26 10:57:39,106 INFO L125 PetriNetUnfolderBase]: For 14/14 co-relation queries the response was YES. [2023-08-26 10:57:39,106 INFO L83 FinitePrefix]: Finished finitePrefix Result has 166 conditions, 68 events. 26/68 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 178 event pairs, 3 based on Foata normal form. 1/69 useless extension candidates. Maximal degree in co-relation 162. Up to 25 conditions per place. [2023-08-26 10:57:39,107 INFO L140 encePairwiseOnDemand]: 329/335 looper letters, 17 selfloop transitions, 8 changer transitions 11/36 dead transitions. [2023-08-26 10:57:39,107 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 27 places, 36 transitions, 167 flow [2023-08-26 10:57:39,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-08-26 10:57:39,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-08-26 10:57:39,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1172 transitions. [2023-08-26 10:57:39,110 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4373134328358209 [2023-08-26 10:57:39,111 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1172 transitions. [2023-08-26 10:57:39,111 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1172 transitions. [2023-08-26 10:57:39,111 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 10:57:39,111 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1172 transitions. [2023-08-26 10:57:39,114 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 146.5) internal successors, (1172), 8 states have internal predecessors, (1172), 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) [2023-08-26 10:57:39,118 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 335.0) internal successors, (3015), 9 states have internal predecessors, (3015), 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) [2023-08-26 10:57:39,119 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 335.0) internal successors, (3015), 9 states have internal predecessors, (3015), 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) [2023-08-26 10:57:39,119 INFO L175 Difference]: Start difference. First operand has 20 places, 15 transitions, 44 flow. Second operand 8 states and 1172 transitions. [2023-08-26 10:57:39,119 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 27 places, 36 transitions, 167 flow [2023-08-26 10:57:39,120 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 27 places, 36 transitions, 167 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-26 10:57:39,121 INFO L231 Difference]: Finished difference. Result has 29 places, 19 transitions, 78 flow [2023-08-26 10:57:39,121 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=335, PETRI_DIFFERENCE_MINUEND_FLOW=44, PETRI_DIFFERENCE_MINUEND_PLACES=20, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=15, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=10, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=78, PETRI_PLACES=29, PETRI_TRANSITIONS=19} [2023-08-26 10:57:39,122 INFO L281 CegarLoopForPetriNet]: 39 programPoint places, -10 predicate places. [2023-08-26 10:57:39,122 INFO L495 AbstractCegarLoop]: Abstraction has has 29 places, 19 transitions, 78 flow [2023-08-26 10:57:39,123 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 144.16666666666666) internal successors, (865), 6 states have internal predecessors, (865), 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) [2023-08-26 10:57:39,123 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 10:57:39,123 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-26 10:57:39,123 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-26 10:57:39,123 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2023-08-26 10:57:39,123 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 10:57:39,124 INFO L85 PathProgramCache]: Analyzing trace with hash 1444458911, now seen corresponding path program 2 times [2023-08-26 10:57:39,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 10:57:39,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883337361] [2023-08-26 10:57:39,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 10:57:39,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 10:57:39,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 10:57:39,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 10:57:39,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 10:57:39,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [883337361] [2023-08-26 10:57:39,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [883337361] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 10:57:39,357 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 10:57:39,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-26 10:57:39,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769235113] [2023-08-26 10:57:39,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 10:57:39,358 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-26 10:57:39,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 10:57:39,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-26 10:57:39,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-08-26 10:57:39,359 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 142 out of 335 [2023-08-26 10:57:39,360 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 29 places, 19 transitions, 78 flow. Second operand has 6 states, 6 states have (on average 144.16666666666666) internal successors, (865), 6 states have internal predecessors, (865), 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) [2023-08-26 10:57:39,360 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 10:57:39,360 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 142 of 335 [2023-08-26 10:57:39,361 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 10:57:39,529 INFO L124 PetriNetUnfolderBase]: 25/77 cut-off events. [2023-08-26 10:57:39,529 INFO L125 PetriNetUnfolderBase]: For 32/32 co-relation queries the response was YES. [2023-08-26 10:57:39,530 INFO L83 FinitePrefix]: Finished finitePrefix Result has 222 conditions, 77 events. 25/77 cut-off events. For 32/32 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 225 event pairs, 3 based on Foata normal form. 1/78 useless extension candidates. Maximal degree in co-relation 215. Up to 30 conditions per place. [2023-08-26 10:57:39,532 INFO L140 encePairwiseOnDemand]: 329/335 looper letters, 23 selfloop transitions, 10 changer transitions 8/41 dead transitions. [2023-08-26 10:57:39,532 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 41 transitions, 222 flow [2023-08-26 10:57:39,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-08-26 10:57:39,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-08-26 10:57:39,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1319 transitions. [2023-08-26 10:57:39,536 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4374792703150912 [2023-08-26 10:57:39,537 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1319 transitions. [2023-08-26 10:57:39,537 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1319 transitions. [2023-08-26 10:57:39,537 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 10:57:39,537 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1319 transitions. [2023-08-26 10:57:39,540 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 146.55555555555554) internal successors, (1319), 9 states have internal predecessors, (1319), 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) [2023-08-26 10:57:39,544 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 335.0) internal successors, (3350), 10 states have internal predecessors, (3350), 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) [2023-08-26 10:57:39,547 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 335.0) internal successors, (3350), 10 states have internal predecessors, (3350), 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) [2023-08-26 10:57:39,547 INFO L175 Difference]: Start difference. First operand has 29 places, 19 transitions, 78 flow. Second operand 9 states and 1319 transitions. [2023-08-26 10:57:39,547 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 35 places, 41 transitions, 222 flow [2023-08-26 10:57:39,549 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 41 transitions, 211 flow, removed 2 selfloop flow, removed 2 redundant places. [2023-08-26 10:57:39,551 INFO L231 Difference]: Finished difference. Result has 36 places, 21 transitions, 108 flow [2023-08-26 10:57:39,551 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=335, PETRI_DIFFERENCE_MINUEND_FLOW=71, PETRI_DIFFERENCE_MINUEND_PLACES=25, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=19, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=10, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=108, PETRI_PLACES=36, PETRI_TRANSITIONS=21} [2023-08-26 10:57:39,552 INFO L281 CegarLoopForPetriNet]: 39 programPoint places, -3 predicate places. [2023-08-26 10:57:39,552 INFO L495 AbstractCegarLoop]: Abstraction has has 36 places, 21 transitions, 108 flow [2023-08-26 10:57:39,553 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 144.16666666666666) internal successors, (865), 6 states have internal predecessors, (865), 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) [2023-08-26 10:57:39,553 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 10:57:39,553 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-26 10:57:39,553 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-26 10:57:39,553 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2023-08-26 10:57:39,554 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 10:57:39,554 INFO L85 PathProgramCache]: Analyzing trace with hash 1798375991, now seen corresponding path program 3 times [2023-08-26 10:57:39,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 10:57:39,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226153166] [2023-08-26 10:57:39,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 10:57:39,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 10:57:39,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 10:57:39,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 10:57:39,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 10:57:39,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226153166] [2023-08-26 10:57:39,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [226153166] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 10:57:39,833 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 10:57:39,833 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-26 10:57:39,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069071410] [2023-08-26 10:57:39,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 10:57:39,834 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-26 10:57:39,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 10:57:39,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-26 10:57:39,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-08-26 10:57:39,835 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 142 out of 335 [2023-08-26 10:57:39,836 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 21 transitions, 108 flow. Second operand has 6 states, 6 states have (on average 144.16666666666666) internal successors, (865), 6 states have internal predecessors, (865), 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) [2023-08-26 10:57:39,836 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 10:57:39,836 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 142 of 335 [2023-08-26 10:57:39,837 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 10:57:40,005 INFO L124 PetriNetUnfolderBase]: 21/63 cut-off events. [2023-08-26 10:57:40,007 INFO L125 PetriNetUnfolderBase]: For 54/54 co-relation queries the response was YES. [2023-08-26 10:57:40,008 INFO L83 FinitePrefix]: Finished finitePrefix Result has 215 conditions, 63 events. 21/63 cut-off events. For 54/54 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 164 event pairs, 3 based on Foata normal form. 1/64 useless extension candidates. Maximal degree in co-relation 205. Up to 30 conditions per place. [2023-08-26 10:57:40,008 INFO L140 encePairwiseOnDemand]: 329/335 looper letters, 14 selfloop transitions, 6 changer transitions 14/34 dead transitions. [2023-08-26 10:57:40,008 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 34 transitions, 206 flow [2023-08-26 10:57:40,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-08-26 10:57:40,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-08-26 10:57:40,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1170 transitions. [2023-08-26 10:57:40,013 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43656716417910446 [2023-08-26 10:57:40,013 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1170 transitions. [2023-08-26 10:57:40,013 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1170 transitions. [2023-08-26 10:57:40,013 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 10:57:40,013 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1170 transitions. [2023-08-26 10:57:40,016 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 146.25) internal successors, (1170), 8 states have internal predecessors, (1170), 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) [2023-08-26 10:57:40,019 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 335.0) internal successors, (3015), 9 states have internal predecessors, (3015), 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) [2023-08-26 10:57:40,021 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 335.0) internal successors, (3015), 9 states have internal predecessors, (3015), 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) [2023-08-26 10:57:40,021 INFO L175 Difference]: Start difference. First operand has 36 places, 21 transitions, 108 flow. Second operand 8 states and 1170 transitions. [2023-08-26 10:57:40,021 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 34 transitions, 206 flow [2023-08-26 10:57:40,023 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 34 transitions, 182 flow, removed 4 selfloop flow, removed 6 redundant places. [2023-08-26 10:57:40,025 INFO L231 Difference]: Finished difference. Result has 37 places, 17 transitions, 76 flow [2023-08-26 10:57:40,025 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=335, PETRI_DIFFERENCE_MINUEND_FLOW=84, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=76, PETRI_PLACES=37, PETRI_TRANSITIONS=17} [2023-08-26 10:57:40,027 INFO L281 CegarLoopForPetriNet]: 39 programPoint places, -2 predicate places. [2023-08-26 10:57:40,027 INFO L495 AbstractCegarLoop]: Abstraction has has 37 places, 17 transitions, 76 flow [2023-08-26 10:57:40,027 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 144.16666666666666) internal successors, (865), 6 states have internal predecessors, (865), 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) [2023-08-26 10:57:40,027 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 10:57:40,027 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-26 10:57:40,028 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-26 10:57:40,028 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2023-08-26 10:57:40,028 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 10:57:40,028 INFO L85 PathProgramCache]: Analyzing trace with hash 1757676591, now seen corresponding path program 4 times [2023-08-26 10:57:40,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 10:57:40,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186863359] [2023-08-26 10:57:40,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 10:57:40,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 10:57:40,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 10:57:40,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 10:57:40,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 10:57:40,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186863359] [2023-08-26 10:57:40,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1186863359] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 10:57:40,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 10:57:40,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-26 10:57:40,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423376920] [2023-08-26 10:57:40,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 10:57:40,249 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-26 10:57:40,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 10:57:40,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-26 10:57:40,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-08-26 10:57:40,251 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 142 out of 335 [2023-08-26 10:57:40,252 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 17 transitions, 76 flow. Second operand has 6 states, 6 states have (on average 144.16666666666666) internal successors, (865), 6 states have internal predecessors, (865), 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) [2023-08-26 10:57:40,252 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 10:57:40,252 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 142 of 335 [2023-08-26 10:57:40,252 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 10:57:40,346 INFO L124 PetriNetUnfolderBase]: 11/39 cut-off events. [2023-08-26 10:57:40,346 INFO L125 PetriNetUnfolderBase]: For 14/14 co-relation queries the response was YES. [2023-08-26 10:57:40,346 INFO L83 FinitePrefix]: Finished finitePrefix Result has 129 conditions, 39 events. 11/39 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 69 event pairs, 0 based on Foata normal form. 1/40 useless extension candidates. Maximal degree in co-relation 121. Up to 12 conditions per place. [2023-08-26 10:57:40,346 INFO L140 encePairwiseOnDemand]: 329/335 looper letters, 13 selfloop transitions, 7 changer transitions 6/26 dead transitions. [2023-08-26 10:57:40,346 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 26 transitions, 148 flow [2023-08-26 10:57:40,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-08-26 10:57:40,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-08-26 10:57:40,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1305 transitions. [2023-08-26 10:57:40,350 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43283582089552236 [2023-08-26 10:57:40,350 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1305 transitions. [2023-08-26 10:57:40,350 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1305 transitions. [2023-08-26 10:57:40,351 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 10:57:40,351 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1305 transitions. [2023-08-26 10:57:40,353 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 145.0) internal successors, (1305), 9 states have internal predecessors, (1305), 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) [2023-08-26 10:57:40,357 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 335.0) internal successors, (3350), 10 states have internal predecessors, (3350), 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) [2023-08-26 10:57:40,358 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 335.0) internal successors, (3350), 10 states have internal predecessors, (3350), 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) [2023-08-26 10:57:40,358 INFO L175 Difference]: Start difference. First operand has 37 places, 17 transitions, 76 flow. Second operand 9 states and 1305 transitions. [2023-08-26 10:57:40,358 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 26 transitions, 148 flow [2023-08-26 10:57:40,359 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 26 transitions, 134 flow, removed 2 selfloop flow, removed 6 redundant places. [2023-08-26 10:57:40,360 INFO L231 Difference]: Finished difference. Result has 34 places, 15 transitions, 69 flow [2023-08-26 10:57:40,360 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=335, PETRI_DIFFERENCE_MINUEND_FLOW=62, PETRI_DIFFERENCE_MINUEND_PLACES=25, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=17, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=10, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=69, PETRI_PLACES=34, PETRI_TRANSITIONS=15} [2023-08-26 10:57:40,361 INFO L281 CegarLoopForPetriNet]: 39 programPoint places, -5 predicate places. [2023-08-26 10:57:40,361 INFO L495 AbstractCegarLoop]: Abstraction has has 34 places, 15 transitions, 69 flow [2023-08-26 10:57:40,361 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 144.16666666666666) internal successors, (865), 6 states have internal predecessors, (865), 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) [2023-08-26 10:57:40,361 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 10:57:40,361 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-26 10:57:40,362 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-26 10:57:40,362 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2023-08-26 10:57:40,362 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 10:57:40,362 INFO L85 PathProgramCache]: Analyzing trace with hash 1816810017, now seen corresponding path program 5 times [2023-08-26 10:57:40,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 10:57:40,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808296675] [2023-08-26 10:57:40,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 10:57:40,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 10:57:40,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 10:57:40,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 10:57:40,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 10:57:40,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [808296675] [2023-08-26 10:57:40,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [808296675] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 10:57:40,554 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 10:57:40,554 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-26 10:57:40,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457471691] [2023-08-26 10:57:40,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 10:57:40,555 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-26 10:57:40,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 10:57:40,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-26 10:57:40,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-08-26 10:57:40,556 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 142 out of 335 [2023-08-26 10:57:40,557 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 34 places, 15 transitions, 69 flow. Second operand has 6 states, 6 states have (on average 144.16666666666666) internal successors, (865), 6 states have internal predecessors, (865), 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) [2023-08-26 10:57:40,557 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 10:57:40,557 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 142 of 335 [2023-08-26 10:57:40,557 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 10:57:40,652 INFO L124 PetriNetUnfolderBase]: 7/33 cut-off events. [2023-08-26 10:57:40,652 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2023-08-26 10:57:40,652 INFO L83 FinitePrefix]: Finished finitePrefix Result has 115 conditions, 33 events. 7/33 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 51 event pairs, 0 based on Foata normal form. 1/34 useless extension candidates. Maximal degree in co-relation 109. Up to 10 conditions per place. [2023-08-26 10:57:40,653 INFO L140 encePairwiseOnDemand]: 329/335 looper letters, 12 selfloop transitions, 4 changer transitions 9/25 dead transitions. [2023-08-26 10:57:40,653 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 25 transitions, 144 flow [2023-08-26 10:57:40,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-08-26 10:57:40,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-08-26 10:57:40,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1304 transitions. [2023-08-26 10:57:40,657 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4325041459369818 [2023-08-26 10:57:40,657 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1304 transitions. [2023-08-26 10:57:40,657 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1304 transitions. [2023-08-26 10:57:40,658 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 10:57:40,658 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1304 transitions. [2023-08-26 10:57:40,660 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 144.88888888888889) internal successors, (1304), 9 states have internal predecessors, (1304), 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) [2023-08-26 10:57:40,664 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 335.0) internal successors, (3350), 10 states have internal predecessors, (3350), 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) [2023-08-26 10:57:40,664 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 335.0) internal successors, (3350), 10 states have internal predecessors, (3350), 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) [2023-08-26 10:57:40,665 INFO L175 Difference]: Start difference. First operand has 34 places, 15 transitions, 69 flow. Second operand 9 states and 1304 transitions. [2023-08-26 10:57:40,665 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 25 transitions, 144 flow [2023-08-26 10:57:40,665 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 30 places, 25 transitions, 112 flow, removed 3 selfloop flow, removed 11 redundant places. [2023-08-26 10:57:40,666 INFO L231 Difference]: Finished difference. Result has 32 places, 13 transitions, 45 flow [2023-08-26 10:57:40,666 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=335, PETRI_DIFFERENCE_MINUEND_FLOW=39, PETRI_DIFFERENCE_MINUEND_PLACES=22, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=15, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=11, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=45, PETRI_PLACES=32, PETRI_TRANSITIONS=13} [2023-08-26 10:57:40,666 INFO L281 CegarLoopForPetriNet]: 39 programPoint places, -7 predicate places. [2023-08-26 10:57:40,667 INFO L495 AbstractCegarLoop]: Abstraction has has 32 places, 13 transitions, 45 flow [2023-08-26 10:57:40,667 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 144.16666666666666) internal successors, (865), 6 states have internal predecessors, (865), 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) [2023-08-26 10:57:40,667 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 10:57:40,667 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-26 10:57:40,667 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-26 10:57:40,667 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2023-08-26 10:57:40,668 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 10:57:40,668 INFO L85 PathProgramCache]: Analyzing trace with hash 102034187, now seen corresponding path program 6 times [2023-08-26 10:57:40,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 10:57:40,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835160865] [2023-08-26 10:57:40,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 10:57:40,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 10:57:40,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 10:57:40,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 10:57:40,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 10:57:40,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835160865] [2023-08-26 10:57:40,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1835160865] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 10:57:40,868 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 10:57:40,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-26 10:57:40,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089572790] [2023-08-26 10:57:40,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 10:57:40,869 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-26 10:57:40,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 10:57:40,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-26 10:57:40,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-08-26 10:57:40,871 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 142 out of 335 [2023-08-26 10:57:40,872 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 13 transitions, 45 flow. Second operand has 6 states, 6 states have (on average 144.16666666666666) internal successors, (865), 6 states have internal predecessors, (865), 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) [2023-08-26 10:57:40,872 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 10:57:40,872 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 142 of 335 [2023-08-26 10:57:40,872 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 10:57:40,951 INFO L124 PetriNetUnfolderBase]: 4/20 cut-off events. [2023-08-26 10:57:40,951 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-08-26 10:57:40,951 INFO L83 FinitePrefix]: Finished finitePrefix Result has 66 conditions, 20 events. 4/20 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 14 event pairs, 0 based on Foata normal form. 1/21 useless extension candidates. Maximal degree in co-relation 60. Up to 6 conditions per place. [2023-08-26 10:57:40,951 INFO L140 encePairwiseOnDemand]: 329/335 looper letters, 0 selfloop transitions, 0 changer transitions 16/16 dead transitions. [2023-08-26 10:57:40,951 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 16 transitions, 81 flow [2023-08-26 10:57:40,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-08-26 10:57:40,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2023-08-26 10:57:40,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1011 transitions. [2023-08-26 10:57:40,955 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4311300639658849 [2023-08-26 10:57:40,955 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1011 transitions. [2023-08-26 10:57:40,955 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1011 transitions. [2023-08-26 10:57:40,955 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 10:57:40,956 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1011 transitions. [2023-08-26 10:57:40,958 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 144.42857142857142) internal successors, (1011), 7 states have internal predecessors, (1011), 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) [2023-08-26 10:57:40,961 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 335.0) internal successors, (2680), 8 states have internal predecessors, (2680), 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) [2023-08-26 10:57:40,961 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 335.0) internal successors, (2680), 8 states have internal predecessors, (2680), 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) [2023-08-26 10:57:40,962 INFO L175 Difference]: Start difference. First operand has 32 places, 13 transitions, 45 flow. Second operand 7 states and 1011 transitions. [2023-08-26 10:57:40,962 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 16 transitions, 81 flow [2023-08-26 10:57:40,962 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 28 places, 16 transitions, 72 flow, removed 1 selfloop flow, removed 5 redundant places. [2023-08-26 10:57:40,962 INFO L231 Difference]: Finished difference. Result has 28 places, 0 transitions, 0 flow [2023-08-26 10:57:40,963 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=335, PETRI_DIFFERENCE_MINUEND_FLOW=32, PETRI_DIFFERENCE_MINUEND_PLACES=22, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=12, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=12, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=0, PETRI_PLACES=28, PETRI_TRANSITIONS=0} [2023-08-26 10:57:40,963 INFO L281 CegarLoopForPetriNet]: 39 programPoint places, -11 predicate places. [2023-08-26 10:57:40,963 INFO L495 AbstractCegarLoop]: Abstraction has has 28 places, 0 transitions, 0 flow [2023-08-26 10:57:40,964 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 144.16666666666666) internal successors, (865), 6 states have internal predecessors, (865), 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) [2023-08-26 10:57:40,966 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (35 of 36 remaining) [2023-08-26 10:57:40,966 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (34 of 36 remaining) [2023-08-26 10:57:40,966 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (33 of 36 remaining) [2023-08-26 10:57:40,967 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (32 of 36 remaining) [2023-08-26 10:57:40,967 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (31 of 36 remaining) [2023-08-26 10:57:40,967 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (30 of 36 remaining) [2023-08-26 10:57:40,967 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (29 of 36 remaining) [2023-08-26 10:57:40,967 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (28 of 36 remaining) [2023-08-26 10:57:40,967 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (27 of 36 remaining) [2023-08-26 10:57:40,968 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (26 of 36 remaining) [2023-08-26 10:57:40,968 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (25 of 36 remaining) [2023-08-26 10:57:40,968 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (24 of 36 remaining) [2023-08-26 10:57:40,968 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (23 of 36 remaining) [2023-08-26 10:57:40,968 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (22 of 36 remaining) [2023-08-26 10:57:40,968 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (21 of 36 remaining) [2023-08-26 10:57:40,969 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (20 of 36 remaining) [2023-08-26 10:57:40,969 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (19 of 36 remaining) [2023-08-26 10:57:40,969 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (18 of 36 remaining) [2023-08-26 10:57:40,969 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (17 of 36 remaining) [2023-08-26 10:57:40,969 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONASSERT (16 of 36 remaining) [2023-08-26 10:57:40,969 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (15 of 36 remaining) [2023-08-26 10:57:40,970 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (14 of 36 remaining) [2023-08-26 10:57:40,970 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (13 of 36 remaining) [2023-08-26 10:57:40,970 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (12 of 36 remaining) [2023-08-26 10:57:40,970 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (11 of 36 remaining) [2023-08-26 10:57:40,970 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (10 of 36 remaining) [2023-08-26 10:57:40,970 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (9 of 36 remaining) [2023-08-26 10:57:40,971 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (8 of 36 remaining) [2023-08-26 10:57:40,971 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (7 of 36 remaining) [2023-08-26 10:57:40,971 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (6 of 36 remaining) [2023-08-26 10:57:40,971 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (5 of 36 remaining) [2023-08-26 10:57:40,971 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (4 of 36 remaining) [2023-08-26 10:57:40,971 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (3 of 36 remaining) [2023-08-26 10:57:40,972 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (2 of 36 remaining) [2023-08-26 10:57:40,972 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (1 of 36 remaining) [2023-08-26 10:57:40,972 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (0 of 36 remaining) [2023-08-26 10:57:40,972 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-26 10:57:40,972 INFO L445 BasicCegarLoop]: Path program histogram: [6, 1, 1] [2023-08-26 10:57:40,977 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-26 10:57:40,977 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-26 10:57:40,980 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.08 10:57:40 BasicIcfg [2023-08-26 10:57:40,980 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-26 10:57:40,981 INFO L158 Benchmark]: Toolchain (without parser) took 7766.96ms. Allocated memory was 327.2MB in the beginning and 423.6MB in the end (delta: 96.5MB). Free memory was 303.7MB in the beginning and 170.1MB in the end (delta: 133.6MB). Peak memory consumption was 230.9MB. Max. memory is 16.0GB. [2023-08-26 10:57:40,981 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 327.2MB. Free memory is still 303.2MB. There was no memory consumed. Max. memory is 16.0GB. [2023-08-26 10:57:40,981 INFO L158 Benchmark]: CACSL2BoogieTranslator took 255.08ms. Allocated memory is still 327.2MB. Free memory was 303.3MB in the beginning and 292.4MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.0GB. [2023-08-26 10:57:40,982 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.18ms. Allocated memory is still 327.2MB. Free memory was 292.4MB in the beginning and 290.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-08-26 10:57:40,982 INFO L158 Benchmark]: Boogie Preprocessor took 39.26ms. Allocated memory is still 327.2MB. Free memory was 290.7MB in the beginning and 289.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-08-26 10:57:40,982 INFO L158 Benchmark]: RCFGBuilder took 423.67ms. Allocated memory is still 327.2MB. Free memory was 289.1MB in the beginning and 273.2MB in the end (delta: 15.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.0GB. [2023-08-26 10:57:40,982 INFO L158 Benchmark]: TraceAbstraction took 6992.67ms. Allocated memory was 327.2MB in the beginning and 423.6MB in the end (delta: 96.5MB). Free memory was 272.3MB in the beginning and 170.1MB in the end (delta: 102.2MB). Peak memory consumption was 199.4MB. Max. memory is 16.0GB. [2023-08-26 10:57:40,984 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 327.2MB. Free memory is still 303.2MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 255.08ms. Allocated memory is still 327.2MB. Free memory was 303.3MB in the beginning and 292.4MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 48.18ms. Allocated memory is still 327.2MB. Free memory was 292.4MB in the beginning and 290.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 39.26ms. Allocated memory is still 327.2MB. Free memory was 290.7MB in the beginning and 289.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 423.67ms. Allocated memory is still 327.2MB. Free memory was 289.1MB in the beginning and 273.2MB in the end (delta: 15.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.0GB. * TraceAbstraction took 6992.67ms. Allocated memory was 327.2MB in the beginning and 423.6MB in the end (delta: 96.5MB). Free memory was 272.3MB in the beginning and 170.1MB in the end (delta: 102.2MB). Peak memory consumption was 199.4MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.6s, 154 PlacesBefore, 39 PlacesAfterwards, 150 TransitionsBefore, 32 TransitionsAfterwards, 5840 CoEnabledTransitionPairs, 7 FixpointIterations, 48 TrivialSequentialCompositions, 116 ConcurrentSequentialCompositions, 3 TrivialYvCompositions, 4 ConcurrentYvCompositions, 3 ChoiceCompositions, 174 TotalNumberOfCompositions, 6963 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 6163, independent: 6088, independent conditional: 0, independent unconditional: 6088, dependent: 75, dependent conditional: 0, dependent unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 3208, independent: 3187, independent conditional: 0, independent unconditional: 3187, dependent: 21, dependent conditional: 0, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6163, independent: 2901, independent conditional: 0, independent unconditional: 2901, dependent: 54, dependent conditional: 0, dependent unconditional: 54, unknown: 3208, unknown conditional: 0, unknown unconditional: 3208] , Statistics on independence cache: Total cache size (in pairs): 91, Positive cache size: 85, Positive conditional cache size: 0, Positive unconditional cache size: 85, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 21]: 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, 241 locations, 36 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: 6.9s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.7s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 197 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 197 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 403 IncrementalHoareTripleChecker+Invalid, 411 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 0 mSDtfsCounter, 403 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 76 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=108occurred in iteration=4, InterpolantAutomatonStates: 55, 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, 0.3s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 83 NumberOfCodeBlocks, 83 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 75 ConstructedInterpolants, 0 QuantifiedInterpolants, 1047 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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 20 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-26 10:57:41,003 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...