./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/pthread-race-challenges/per-thread-struct-tid-join.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-race-challenges/per-thread-struct-tid-join.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e58f19518df0581d95f13f906b8c44b8c282310d0c51162e45cefa58addde8de --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 06:03:44,016 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 06:03:44,094 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-19 06:03:44,101 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 06:03:44,103 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 06:03:44,138 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 06:03:44,138 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 06:03:44,139 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 06:03:44,140 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 06:03:44,141 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 06:03:44,141 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 06:03:44,141 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 06:03:44,142 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 06:03:44,142 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 06:03:44,142 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 06:03:44,143 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 06:03:44,143 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 06:03:44,146 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 06:03:44,146 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 06:03:44,146 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 06:03:44,146 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 06:03:44,150 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 06:03:44,150 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-19 06:03:44,150 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 06:03:44,150 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 06:03:44,151 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 06:03:44,151 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 06:03:44,151 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 06:03:44,151 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 06:03:44,151 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 06:03:44,152 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 06:03:44,152 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 06:03:44,152 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 06:03:44,152 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 06:03:44,152 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 06:03:44,153 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 06:03:44,153 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 06:03:44,154 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 06:03:44,155 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 06:03:44,155 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 06:03:44,156 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 06:03:44,156 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e58f19518df0581d95f13f906b8c44b8c282310d0c51162e45cefa58addde8de [2024-11-19 06:03:44,433 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 06:03:44,459 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 06:03:44,462 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 06:03:44,464 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 06:03:44,464 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 06:03:44,465 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-race-challenges/per-thread-struct-tid-join.i [2024-11-19 06:03:45,971 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 06:03:46,262 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 06:03:46,262 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-race-challenges/per-thread-struct-tid-join.i [2024-11-19 06:03:46,281 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/980b4c6ed/ec5fd43efeab4864980fceef2e63cafa/FLAGbe69ccb83 [2024-11-19 06:03:46,300 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/980b4c6ed/ec5fd43efeab4864980fceef2e63cafa [2024-11-19 06:03:46,302 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 06:03:46,303 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 06:03:46,304 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 06:03:46,304 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 06:03:46,310 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 06:03:46,310 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:03:46" (1/1) ... [2024-11-19 06:03:46,311 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@284cb4da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:03:46, skipping insertion in model container [2024-11-19 06:03:46,311 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:03:46" (1/1) ... [2024-11-19 06:03:46,363 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 06:03:46,839 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 06:03:46,855 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 06:03:46,909 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 06:03:46,963 INFO L204 MainTranslator]: Completed translation [2024-11-19 06:03:46,963 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:03:46 WrapperNode [2024-11-19 06:03:46,964 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 06:03:46,965 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 06:03:46,965 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 06:03:46,965 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 06:03:46,971 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:03:46" (1/1) ... [2024-11-19 06:03:46,987 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:03:46" (1/1) ... [2024-11-19 06:03:47,018 INFO L138 Inliner]: procedures = 267, calls = 21, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 94 [2024-11-19 06:03:47,018 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 06:03:47,019 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 06:03:47,019 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 06:03:47,019 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 06:03:47,027 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:03:46" (1/1) ... [2024-11-19 06:03:47,028 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:03:46" (1/1) ... [2024-11-19 06:03:47,032 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:03:46" (1/1) ... [2024-11-19 06:03:47,032 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:03:46" (1/1) ... [2024-11-19 06:03:47,043 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:03:46" (1/1) ... [2024-11-19 06:03:47,047 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:03:46" (1/1) ... [2024-11-19 06:03:47,049 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:03:46" (1/1) ... [2024-11-19 06:03:47,050 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:03:46" (1/1) ... [2024-11-19 06:03:47,053 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 06:03:47,054 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 06:03:47,054 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 06:03:47,054 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 06:03:47,059 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:03:46" (1/1) ... [2024-11-19 06:03:47,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 06:03:47,077 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 06:03:47,100 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-19 06:03:47,104 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-19 06:03:47,156 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-19 06:03:47,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 06:03:47,157 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-19 06:03:47,157 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-19 06:03:47,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-19 06:03:47,157 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-19 06:03:47,157 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 06:03:47,158 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 06:03:47,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-19 06:03:47,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-19 06:03:47,158 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2024-11-19 06:03:47,158 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2024-11-19 06:03:47,158 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 06:03:47,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 06:03:47,160 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-19 06:03:47,298 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 06:03:47,300 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 06:03:47,533 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-19 06:03:47,533 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 06:03:47,562 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 06:03:47,562 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-19 06:03:47,563 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:03:47 BoogieIcfgContainer [2024-11-19 06:03:47,563 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 06:03:47,566 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 06:03:47,567 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 06:03:47,571 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 06:03:47,571 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 06:03:46" (1/3) ... [2024-11-19 06:03:47,572 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@212cdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:03:47, skipping insertion in model container [2024-11-19 06:03:47,572 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:03:46" (2/3) ... [2024-11-19 06:03:47,573 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@212cdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:03:47, skipping insertion in model container [2024-11-19 06:03:47,573 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:03:47" (3/3) ... [2024-11-19 06:03:47,575 INFO L112 eAbstractionObserver]: Analyzing ICFG per-thread-struct-tid-join.i [2024-11-19 06:03:47,592 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 06:03:47,592 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 7 error locations. [2024-11-19 06:03:47,592 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-19 06:03:47,673 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-19 06:03:47,717 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 120 places, 121 transitions, 249 flow [2024-11-19 06:03:47,798 INFO L124 PetriNetUnfolderBase]: 6/174 cut-off events. [2024-11-19 06:03:47,799 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-19 06:03:47,807 INFO L83 FinitePrefix]: Finished finitePrefix Result has 179 conditions, 174 events. 6/174 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 248 event pairs, 0 based on Foata normal form. 0/153 useless extension candidates. Maximal degree in co-relation 81. Up to 4 conditions per place. [2024-11-19 06:03:47,807 INFO L82 GeneralOperation]: Start removeDead. Operand has 120 places, 121 transitions, 249 flow [2024-11-19 06:03:47,812 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 120 places, 121 transitions, 249 flow [2024-11-19 06:03:47,825 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 06:03:47,834 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@4e7e45f7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 06:03:47,834 INFO L334 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2024-11-19 06:03:47,855 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-19 06:03:47,855 INFO L124 PetriNetUnfolderBase]: 3/50 cut-off events. [2024-11-19 06:03:47,856 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-19 06:03:47,856 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 06:03:47,857 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 06:03:47,857 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-19 06:03:47,863 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:03:47,864 INFO L85 PathProgramCache]: Analyzing trace with hash 1252820999, now seen corresponding path program 1 times [2024-11-19 06:03:47,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:03:47,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840616267] [2024-11-19 06:03:47,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:03:47,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:03:48,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:03:48,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:03:48,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:03:48,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [840616267] [2024-11-19 06:03:48,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [840616267] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:03:48,190 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:03:48,190 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 06:03:48,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846928465] [2024-11-19 06:03:48,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:03:48,202 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 06:03:48,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:03:48,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 06:03:48,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 06:03:48,249 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 110 out of 121 [2024-11-19 06:03:48,252 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 120 places, 121 transitions, 249 flow. Second operand has 3 states, 3 states have (on average 110.66666666666667) internal successors, (332), 3 states have internal predecessors, (332), 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) [2024-11-19 06:03:48,253 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 06:03:48,253 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 121 [2024-11-19 06:03:48,254 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 06:03:48,314 INFO L124 PetriNetUnfolderBase]: 8/212 cut-off events. [2024-11-19 06:03:48,316 INFO L125 PetriNetUnfolderBase]: For 4/7 co-relation queries the response was YES. [2024-11-19 06:03:48,317 INFO L83 FinitePrefix]: Finished finitePrefix Result has 246 conditions, 212 events. 8/212 cut-off events. For 4/7 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 526 event pairs, 1 based on Foata normal form. 8/197 useless extension candidates. Maximal degree in co-relation 142. Up to 16 conditions per place. [2024-11-19 06:03:48,319 INFO L140 encePairwiseOnDemand]: 114/121 looper letters, 8 selfloop transitions, 3 changer transitions 2/122 dead transitions. [2024-11-19 06:03:48,321 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 122 places, 122 transitions, 275 flow [2024-11-19 06:03:48,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 06:03:48,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 06:03:48,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 346 transitions. [2024-11-19 06:03:48,339 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.953168044077135 [2024-11-19 06:03:48,342 INFO L175 Difference]: Start difference. First operand has 120 places, 121 transitions, 249 flow. Second operand 3 states and 346 transitions. [2024-11-19 06:03:48,343 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 122 places, 122 transitions, 275 flow [2024-11-19 06:03:48,348 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 122 places, 122 transitions, 275 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-19 06:03:48,353 INFO L231 Difference]: Finished difference. Result has 124 places, 119 transitions, 263 flow [2024-11-19 06:03:48,356 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=121, PETRI_DIFFERENCE_MINUEND_FLOW=243, PETRI_DIFFERENCE_MINUEND_PLACES=120, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=118, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=115, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=263, PETRI_PLACES=124, PETRI_TRANSITIONS=119} [2024-11-19 06:03:48,363 INFO L277 CegarLoopForPetriNet]: 120 programPoint places, 4 predicate places. [2024-11-19 06:03:48,363 INFO L471 AbstractCegarLoop]: Abstraction has has 124 places, 119 transitions, 263 flow [2024-11-19 06:03:48,364 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 110.66666666666667) internal successors, (332), 3 states have internal predecessors, (332), 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) [2024-11-19 06:03:48,364 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 06:03:48,364 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 06:03:48,365 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 06:03:48,365 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-19 06:03:48,365 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:03:48,366 INFO L85 PathProgramCache]: Analyzing trace with hash 419048417, now seen corresponding path program 1 times [2024-11-19 06:03:48,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:03:48,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256966703] [2024-11-19 06:03:48,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:03:48,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:03:48,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:03:48,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:03:48,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:03:48,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256966703] [2024-11-19 06:03:48,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [256966703] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:03:48,642 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:03:48,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 06:03:48,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649547480] [2024-11-19 06:03:48,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:03:48,644 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 06:03:48,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:03:48,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 06:03:48,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-19 06:03:48,784 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 103 out of 121 [2024-11-19 06:03:48,785 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 119 transitions, 263 flow. Second operand has 5 states, 5 states have (on average 104.4) internal successors, (522), 5 states have internal predecessors, (522), 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) [2024-11-19 06:03:48,785 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 06:03:48,785 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 103 of 121 [2024-11-19 06:03:48,785 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 06:03:48,898 INFO L124 PetriNetUnfolderBase]: 17/323 cut-off events. [2024-11-19 06:03:48,899 INFO L125 PetriNetUnfolderBase]: For 11/11 co-relation queries the response was YES. [2024-11-19 06:03:48,900 INFO L83 FinitePrefix]: Finished finitePrefix Result has 413 conditions, 323 events. 17/323 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1142 event pairs, 1 based on Foata normal form. 1/299 useless extension candidates. Maximal degree in co-relation 311. Up to 49 conditions per place. [2024-11-19 06:03:48,903 INFO L140 encePairwiseOnDemand]: 113/121 looper letters, 15 selfloop transitions, 2 changer transitions 5/126 dead transitions. [2024-11-19 06:03:48,903 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 126 transitions, 321 flow [2024-11-19 06:03:48,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 06:03:48,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 06:03:48,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 641 transitions. [2024-11-19 06:03:48,907 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8829201101928374 [2024-11-19 06:03:48,907 INFO L175 Difference]: Start difference. First operand has 124 places, 119 transitions, 263 flow. Second operand 6 states and 641 transitions. [2024-11-19 06:03:48,907 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 128 places, 126 transitions, 321 flow [2024-11-19 06:03:48,909 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 126 places, 126 transitions, 315 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 06:03:48,911 INFO L231 Difference]: Finished difference. Result has 130 places, 119 transitions, 275 flow [2024-11-19 06:03:48,912 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=121, PETRI_DIFFERENCE_MINUEND_FLOW=257, PETRI_DIFFERENCE_MINUEND_PLACES=121, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=119, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=117, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=275, PETRI_PLACES=130, PETRI_TRANSITIONS=119} [2024-11-19 06:03:48,912 INFO L277 CegarLoopForPetriNet]: 120 programPoint places, 10 predicate places. [2024-11-19 06:03:48,913 INFO L471 AbstractCegarLoop]: Abstraction has has 130 places, 119 transitions, 275 flow [2024-11-19 06:03:48,913 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 104.4) internal successors, (522), 5 states have internal predecessors, (522), 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) [2024-11-19 06:03:48,913 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 06:03:48,913 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 06:03:48,914 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 06:03:48,914 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-19 06:03:48,914 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:03:48,914 INFO L85 PathProgramCache]: Analyzing trace with hash -182679660, now seen corresponding path program 1 times [2024-11-19 06:03:48,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:03:48,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896729407] [2024-11-19 06:03:48,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:03:48,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:03:48,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:03:49,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:03:49,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:03:49,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896729407] [2024-11-19 06:03:49,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [896729407] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:03:49,517 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:03:49,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 06:03:49,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897099874] [2024-11-19 06:03:49,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:03:49,518 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 06:03:49,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:03:49,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 06:03:49,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 06:03:49,758 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 84 out of 121 [2024-11-19 06:03:49,759 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 119 transitions, 275 flow. Second operand has 6 states, 6 states have (on average 85.5) internal successors, (513), 6 states have internal predecessors, (513), 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) [2024-11-19 06:03:49,759 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 06:03:49,759 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 84 of 121 [2024-11-19 06:03:49,760 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 06:03:49,851 INFO L124 PetriNetUnfolderBase]: 46/420 cut-off events. [2024-11-19 06:03:49,852 INFO L125 PetriNetUnfolderBase]: For 19/19 co-relation queries the response was YES. [2024-11-19 06:03:49,854 INFO L83 FinitePrefix]: Finished finitePrefix Result has 621 conditions, 420 events. 46/420 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 1893 event pairs, 35 based on Foata normal form. 0/380 useless extension candidates. Maximal degree in co-relation 510. Up to 117 conditions per place. [2024-11-19 06:03:49,856 INFO L140 encePairwiseOnDemand]: 115/121 looper letters, 36 selfloop transitions, 5 changer transitions 0/126 dead transitions. [2024-11-19 06:03:49,857 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 131 places, 126 transitions, 371 flow [2024-11-19 06:03:49,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 06:03:49,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 06:03:49,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 546 transitions. [2024-11-19 06:03:49,859 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7520661157024794 [2024-11-19 06:03:49,859 INFO L175 Difference]: Start difference. First operand has 130 places, 119 transitions, 275 flow. Second operand 6 states and 546 transitions. [2024-11-19 06:03:49,859 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 131 places, 126 transitions, 371 flow [2024-11-19 06:03:49,861 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 126 places, 126 transitions, 357 flow, removed 5 selfloop flow, removed 5 redundant places. [2024-11-19 06:03:49,863 INFO L231 Difference]: Finished difference. Result has 126 places, 118 transitions, 269 flow [2024-11-19 06:03:49,863 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=121, PETRI_DIFFERENCE_MINUEND_FLOW=259, PETRI_DIFFERENCE_MINUEND_PLACES=121, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=118, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=269, PETRI_PLACES=126, PETRI_TRANSITIONS=118} [2024-11-19 06:03:49,865 INFO L277 CegarLoopForPetriNet]: 120 programPoint places, 6 predicate places. [2024-11-19 06:03:49,865 INFO L471 AbstractCegarLoop]: Abstraction has has 126 places, 118 transitions, 269 flow [2024-11-19 06:03:49,866 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 85.5) internal successors, (513), 6 states have internal predecessors, (513), 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) [2024-11-19 06:03:49,866 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 06:03:49,866 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 06:03:49,866 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 06:03:49,866 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-19 06:03:49,867 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:03:49,867 INFO L85 PathProgramCache]: Analyzing trace with hash 1297227942, now seen corresponding path program 1 times [2024-11-19 06:03:49,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:03:49,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935242930] [2024-11-19 06:03:49,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:03:49,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:03:49,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:03:50,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:03:50,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:03:50,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935242930] [2024-11-19 06:03:50,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [935242930] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:03:50,266 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:03:50,266 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 06:03:50,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166228132] [2024-11-19 06:03:50,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:03:50,267 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 06:03:50,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:03:50,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 06:03:50,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 06:03:50,385 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 86 out of 121 [2024-11-19 06:03:50,385 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 126 places, 118 transitions, 269 flow. Second operand has 6 states, 6 states have (on average 88.0) internal successors, (528), 6 states have internal predecessors, (528), 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) [2024-11-19 06:03:50,386 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 06:03:50,386 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 86 of 121 [2024-11-19 06:03:50,386 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 06:03:50,464 INFO L124 PetriNetUnfolderBase]: 46/346 cut-off events. [2024-11-19 06:03:50,464 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-11-19 06:03:50,466 INFO L83 FinitePrefix]: Finished finitePrefix Result has 540 conditions, 346 events. 46/346 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 1567 event pairs, 19 based on Foata normal form. 0/326 useless extension candidates. Maximal degree in co-relation 407. Up to 112 conditions per place. [2024-11-19 06:03:50,469 INFO L140 encePairwiseOnDemand]: 115/121 looper letters, 34 selfloop transitions, 5 changer transitions 0/125 dead transitions. [2024-11-19 06:03:50,469 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 130 places, 125 transitions, 361 flow [2024-11-19 06:03:50,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 06:03:50,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 06:03:50,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 556 transitions. [2024-11-19 06:03:50,471 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7658402203856749 [2024-11-19 06:03:50,471 INFO L175 Difference]: Start difference. First operand has 126 places, 118 transitions, 269 flow. Second operand 6 states and 556 transitions. [2024-11-19 06:03:50,471 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 130 places, 125 transitions, 361 flow [2024-11-19 06:03:50,473 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 125 transitions, 351 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-19 06:03:50,474 INFO L231 Difference]: Finished difference. Result has 125 places, 117 transitions, 267 flow [2024-11-19 06:03:50,475 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=121, PETRI_DIFFERENCE_MINUEND_FLOW=257, PETRI_DIFFERENCE_MINUEND_PLACES=120, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=117, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=112, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=267, PETRI_PLACES=125, PETRI_TRANSITIONS=117} [2024-11-19 06:03:50,477 INFO L277 CegarLoopForPetriNet]: 120 programPoint places, 5 predicate places. [2024-11-19 06:03:50,477 INFO L471 AbstractCegarLoop]: Abstraction has has 125 places, 117 transitions, 267 flow [2024-11-19 06:03:50,478 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 88.0) internal successors, (528), 6 states have internal predecessors, (528), 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) [2024-11-19 06:03:50,478 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 06:03:50,479 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 06:03:50,479 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 06:03:50,479 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-19 06:03:50,481 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:03:50,481 INFO L85 PathProgramCache]: Analyzing trace with hash -1602367110, now seen corresponding path program 1 times [2024-11-19 06:03:50,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:03:50,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081153684] [2024-11-19 06:03:50,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:03:50,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:03:50,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:03:50,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:03:50,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:03:50,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081153684] [2024-11-19 06:03:50,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1081153684] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:03:50,542 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:03:50,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 06:03:50,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853803356] [2024-11-19 06:03:50,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:03:50,542 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 06:03:50,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:03:50,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 06:03:50,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 06:03:50,556 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 121 [2024-11-19 06:03:50,557 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 125 places, 117 transitions, 267 flow. Second operand has 3 states, 3 states have (on average 109.66666666666667) internal successors, (329), 3 states have internal predecessors, (329), 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) [2024-11-19 06:03:50,557 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 06:03:50,557 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 121 [2024-11-19 06:03:50,557 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 06:03:50,593 INFO L124 PetriNetUnfolderBase]: 5/216 cut-off events. [2024-11-19 06:03:50,593 INFO L125 PetriNetUnfolderBase]: For 18/31 co-relation queries the response was YES. [2024-11-19 06:03:50,594 INFO L83 FinitePrefix]: Finished finitePrefix Result has 285 conditions, 216 events. 5/216 cut-off events. For 18/31 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 593 event pairs, 3 based on Foata normal form. 1/202 useless extension candidates. Maximal degree in co-relation 212. Up to 25 conditions per place. [2024-11-19 06:03:50,595 INFO L140 encePairwiseOnDemand]: 116/121 looper letters, 8 selfloop transitions, 4 changer transitions 3/120 dead transitions. [2024-11-19 06:03:50,595 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 127 places, 120 transitions, 303 flow [2024-11-19 06:03:50,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 06:03:50,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 06:03:50,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 338 transitions. [2024-11-19 06:03:50,596 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.931129476584022 [2024-11-19 06:03:50,596 INFO L175 Difference]: Start difference. First operand has 125 places, 117 transitions, 267 flow. Second operand 3 states and 338 transitions. [2024-11-19 06:03:50,596 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 127 places, 120 transitions, 303 flow [2024-11-19 06:03:50,598 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 122 places, 120 transitions, 293 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-19 06:03:50,599 INFO L231 Difference]: Finished difference. Result has 124 places, 117 transitions, 279 flow [2024-11-19 06:03:50,599 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=121, PETRI_DIFFERENCE_MINUEND_FLOW=257, PETRI_DIFFERENCE_MINUEND_PLACES=120, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=117, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=279, PETRI_PLACES=124, PETRI_TRANSITIONS=117} [2024-11-19 06:03:50,600 INFO L277 CegarLoopForPetriNet]: 120 programPoint places, 4 predicate places. [2024-11-19 06:03:50,602 INFO L471 AbstractCegarLoop]: Abstraction has has 124 places, 117 transitions, 279 flow [2024-11-19 06:03:50,602 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 109.66666666666667) internal successors, (329), 3 states have internal predecessors, (329), 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) [2024-11-19 06:03:50,602 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 06:03:50,603 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 06:03:50,603 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-19 06:03:50,604 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-19 06:03:50,605 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:03:50,605 INFO L85 PathProgramCache]: Analyzing trace with hash 1005027146, now seen corresponding path program 1 times [2024-11-19 06:03:50,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:03:50,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270279583] [2024-11-19 06:03:50,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:03:50,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:03:50,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:03:50,968 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 06:03:50,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:03:50,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270279583] [2024-11-19 06:03:50,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1270279583] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:03:50,968 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:03:50,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 06:03:50,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698066488] [2024-11-19 06:03:50,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:03:50,969 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 06:03:50,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:03:50,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 06:03:50,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 06:03:51,227 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 88 out of 121 [2024-11-19 06:03:51,228 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 117 transitions, 279 flow. Second operand has 6 states, 6 states have (on average 90.83333333333333) internal successors, (545), 6 states have internal predecessors, (545), 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) [2024-11-19 06:03:51,228 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 06:03:51,228 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 88 of 121 [2024-11-19 06:03:51,228 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 06:03:51,304 INFO L124 PetriNetUnfolderBase]: 33/406 cut-off events. [2024-11-19 06:03:51,304 INFO L125 PetriNetUnfolderBase]: For 66/69 co-relation queries the response was YES. [2024-11-19 06:03:51,305 INFO L83 FinitePrefix]: Finished finitePrefix Result has 635 conditions, 406 events. 33/406 cut-off events. For 66/69 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 1839 event pairs, 23 based on Foata normal form. 0/391 useless extension candidates. Maximal degree in co-relation 511. Up to 79 conditions per place. [2024-11-19 06:03:51,306 INFO L140 encePairwiseOnDemand]: 114/121 looper letters, 31 selfloop transitions, 5 changer transitions 0/123 dead transitions. [2024-11-19 06:03:51,306 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 127 places, 123 transitions, 363 flow [2024-11-19 06:03:51,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 06:03:51,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 06:03:51,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 566 transitions. [2024-11-19 06:03:51,308 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7796143250688705 [2024-11-19 06:03:51,308 INFO L175 Difference]: Start difference. First operand has 124 places, 117 transitions, 279 flow. Second operand 6 states and 566 transitions. [2024-11-19 06:03:51,308 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 127 places, 123 transitions, 363 flow [2024-11-19 06:03:51,311 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 123 transitions, 355 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 06:03:51,312 INFO L231 Difference]: Finished difference. Result has 125 places, 115 transitions, 277 flow [2024-11-19 06:03:51,313 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=121, PETRI_DIFFERENCE_MINUEND_FLOW=267, PETRI_DIFFERENCE_MINUEND_PLACES=120, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=115, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=110, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=277, PETRI_PLACES=125, PETRI_TRANSITIONS=115} [2024-11-19 06:03:51,313 INFO L277 CegarLoopForPetriNet]: 120 programPoint places, 5 predicate places. [2024-11-19 06:03:51,314 INFO L471 AbstractCegarLoop]: Abstraction has has 125 places, 115 transitions, 277 flow [2024-11-19 06:03:51,314 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 90.83333333333333) internal successors, (545), 6 states have internal predecessors, (545), 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) [2024-11-19 06:03:51,314 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 06:03:51,314 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 06:03:51,314 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-19 06:03:51,315 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-19 06:03:51,315 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:03:51,315 INFO L85 PathProgramCache]: Analyzing trace with hash 1993570666, now seen corresponding path program 1 times [2024-11-19 06:03:51,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:03:51,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720051099] [2024-11-19 06:03:51,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:03:51,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:03:51,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:03:51,438 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:03:51,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:03:51,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720051099] [2024-11-19 06:03:51,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [720051099] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 06:03:51,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1407636714] [2024-11-19 06:03:51,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:03:51,439 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 06:03:51,439 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 06:03:51,441 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 06:03:51,443 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-19 06:03:51,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:03:51,545 INFO L255 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 06:03:51,551 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 06:03:51,671 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:03:51,675 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 06:03:51,764 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:03:51,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1407636714] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 06:03:51,765 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 06:03:51,765 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 9 [2024-11-19 06:03:51,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800535688] [2024-11-19 06:03:51,766 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 06:03:51,766 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 06:03:51,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:03:51,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 06:03:51,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-19 06:03:52,050 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 101 out of 121 [2024-11-19 06:03:52,052 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 125 places, 115 transitions, 277 flow. Second operand has 9 states, 9 states have (on average 103.22222222222223) internal successors, (929), 9 states have internal predecessors, (929), 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) [2024-11-19 06:03:52,052 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 06:03:52,052 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 101 of 121 [2024-11-19 06:03:52,052 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 06:03:52,155 INFO L124 PetriNetUnfolderBase]: 12/243 cut-off events. [2024-11-19 06:03:52,156 INFO L125 PetriNetUnfolderBase]: For 11/11 co-relation queries the response was YES. [2024-11-19 06:03:52,156 INFO L83 FinitePrefix]: Finished finitePrefix Result has 326 conditions, 243 events. 12/243 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 615 event pairs, 0 based on Foata normal form. 0/235 useless extension candidates. Maximal degree in co-relation 219. Up to 18 conditions per place. [2024-11-19 06:03:52,158 INFO L140 encePairwiseOnDemand]: 111/121 looper letters, 14 selfloop transitions, 8 changer transitions 9/119 dead transitions. [2024-11-19 06:03:52,158 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 130 places, 119 transitions, 323 flow [2024-11-19 06:03:52,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-19 06:03:52,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-19 06:03:52,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 834 transitions. [2024-11-19 06:03:52,161 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8615702479338843 [2024-11-19 06:03:52,161 INFO L175 Difference]: Start difference. First operand has 125 places, 115 transitions, 277 flow. Second operand 8 states and 834 transitions. [2024-11-19 06:03:52,161 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 130 places, 119 transitions, 323 flow [2024-11-19 06:03:52,164 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 121 places, 119 transitions, 299 flow, removed 4 selfloop flow, removed 9 redundant places. [2024-11-19 06:03:52,166 INFO L231 Difference]: Finished difference. Result has 123 places, 104 transitions, 247 flow [2024-11-19 06:03:52,167 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=121, PETRI_DIFFERENCE_MINUEND_FLOW=233, PETRI_DIFFERENCE_MINUEND_PLACES=114, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=111, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=103, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=247, PETRI_PLACES=123, PETRI_TRANSITIONS=104} [2024-11-19 06:03:52,168 INFO L277 CegarLoopForPetriNet]: 120 programPoint places, 3 predicate places. [2024-11-19 06:03:52,168 INFO L471 AbstractCegarLoop]: Abstraction has has 123 places, 104 transitions, 247 flow [2024-11-19 06:03:52,169 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 103.22222222222223) internal successors, (929), 9 states have internal predecessors, (929), 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) [2024-11-19 06:03:52,169 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 06:03:52,169 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 06:03:52,190 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-19 06:03:52,373 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 06:03:52,374 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-19 06:03:52,374 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:03:52,375 INFO L85 PathProgramCache]: Analyzing trace with hash -191687227, now seen corresponding path program 1 times [2024-11-19 06:03:52,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:03:52,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064845303] [2024-11-19 06:03:52,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:03:52,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:03:52,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:03:52,759 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 06:03:52,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:03:52,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064845303] [2024-11-19 06:03:52,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1064845303] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:03:52,760 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:03:52,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 06:03:52,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206659094] [2024-11-19 06:03:52,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:03:52,761 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 06:03:52,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:03:52,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 06:03:52,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 06:03:52,922 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 96 out of 121 [2024-11-19 06:03:52,924 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 123 places, 104 transitions, 247 flow. Second operand has 6 states, 6 states have (on average 98.66666666666667) internal successors, (592), 6 states have internal predecessors, (592), 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) [2024-11-19 06:03:52,924 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 06:03:52,924 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 96 of 121 [2024-11-19 06:03:52,924 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 06:03:52,974 INFO L124 PetriNetUnfolderBase]: 28/299 cut-off events. [2024-11-19 06:03:52,975 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2024-11-19 06:03:52,975 INFO L83 FinitePrefix]: Finished finitePrefix Result has 415 conditions, 299 events. 28/299 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1047 event pairs, 18 based on Foata normal form. 0/294 useless extension candidates. Maximal degree in co-relation 305. Up to 60 conditions per place. [2024-11-19 06:03:52,976 INFO L140 encePairwiseOnDemand]: 115/121 looper letters, 12 selfloop transitions, 0 changer transitions 39/111 dead transitions. [2024-11-19 06:03:52,976 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 118 places, 111 transitions, 317 flow [2024-11-19 06:03:52,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 06:03:52,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 06:03:52,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 605 transitions. [2024-11-19 06:03:52,979 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8333333333333334 [2024-11-19 06:03:52,979 INFO L175 Difference]: Start difference. First operand has 123 places, 104 transitions, 247 flow. Second operand 6 states and 605 transitions. [2024-11-19 06:03:52,979 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 118 places, 111 transitions, 317 flow [2024-11-19 06:03:52,980 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 113 places, 111 transitions, 306 flow, removed 1 selfloop flow, removed 5 redundant places. [2024-11-19 06:03:52,981 INFO L231 Difference]: Finished difference. Result has 113 places, 72 transitions, 156 flow [2024-11-19 06:03:52,982 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=121, PETRI_DIFFERENCE_MINUEND_FLOW=234, PETRI_DIFFERENCE_MINUEND_PLACES=108, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=103, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=103, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=156, PETRI_PLACES=113, PETRI_TRANSITIONS=72} [2024-11-19 06:03:52,982 INFO L277 CegarLoopForPetriNet]: 120 programPoint places, -7 predicate places. [2024-11-19 06:03:52,982 INFO L471 AbstractCegarLoop]: Abstraction has has 113 places, 72 transitions, 156 flow [2024-11-19 06:03:52,983 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 98.66666666666667) internal successors, (592), 6 states have internal predecessors, (592), 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) [2024-11-19 06:03:52,983 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 06:03:52,983 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 06:03:52,984 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-19 06:03:52,984 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-19 06:03:52,984 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:03:52,984 INFO L85 PathProgramCache]: Analyzing trace with hash -751275198, now seen corresponding path program 1 times [2024-11-19 06:03:52,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:03:52,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314499877] [2024-11-19 06:03:52,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:03:52,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:03:53,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 06:03:53,017 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 06:03:53,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 06:03:53,075 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 06:03:53,077 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-19 06:03:53,079 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 9 remaining) [2024-11-19 06:03:53,081 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (7 of 9 remaining) [2024-11-19 06:03:53,081 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (6 of 9 remaining) [2024-11-19 06:03:53,081 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (5 of 9 remaining) [2024-11-19 06:03:53,081 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (4 of 9 remaining) [2024-11-19 06:03:53,081 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (3 of 9 remaining) [2024-11-19 06:03:53,082 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (2 of 9 remaining) [2024-11-19 06:03:53,082 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (1 of 9 remaining) [2024-11-19 06:03:53,082 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (0 of 9 remaining) [2024-11-19 06:03:53,083 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-19 06:03:53,084 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 06:03:53,086 WARN L244 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-19 06:03:53,087 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-11-19 06:03:53,111 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-19 06:03:53,116 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 139 places, 139 transitions, 294 flow [2024-11-19 06:03:53,145 INFO L124 PetriNetUnfolderBase]: 11/308 cut-off events. [2024-11-19 06:03:53,145 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-11-19 06:03:53,146 INFO L83 FinitePrefix]: Finished finitePrefix Result has 320 conditions, 308 events. 11/308 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 578 event pairs, 0 based on Foata normal form. 0/270 useless extension candidates. Maximal degree in co-relation 176. Up to 8 conditions per place. [2024-11-19 06:03:53,146 INFO L82 GeneralOperation]: Start removeDead. Operand has 139 places, 139 transitions, 294 flow [2024-11-19 06:03:53,148 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 139 places, 139 transitions, 294 flow [2024-11-19 06:03:53,149 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 06:03:53,149 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@4e7e45f7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 06:03:53,150 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2024-11-19 06:03:53,156 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-19 06:03:53,156 INFO L124 PetriNetUnfolderBase]: 3/50 cut-off events. [2024-11-19 06:03:53,156 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-19 06:03:53,156 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 06:03:53,156 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 06:03:53,157 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2024-11-19 06:03:53,157 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:03:53,157 INFO L85 PathProgramCache]: Analyzing trace with hash 800780135, now seen corresponding path program 1 times [2024-11-19 06:03:53,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:03:53,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130968436] [2024-11-19 06:03:53,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:03:53,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:03:53,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:03:53,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:03:53,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:03:53,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130968436] [2024-11-19 06:03:53,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1130968436] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:03:53,186 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:03:53,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 06:03:53,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35488549] [2024-11-19 06:03:53,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:03:53,186 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 06:03:53,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:03:53,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 06:03:53,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 06:03:53,196 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 123 out of 139 [2024-11-19 06:03:53,197 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 139 places, 139 transitions, 294 flow. Second operand has 3 states, 3 states have (on average 123.66666666666667) internal successors, (371), 3 states have internal predecessors, (371), 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) [2024-11-19 06:03:53,197 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 06:03:53,197 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 123 of 139 [2024-11-19 06:03:53,197 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 06:03:53,314 INFO L124 PetriNetUnfolderBase]: 119/878 cut-off events. [2024-11-19 06:03:53,314 INFO L125 PetriNetUnfolderBase]: For 56/99 co-relation queries the response was YES. [2024-11-19 06:03:53,317 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1150 conditions, 878 events. 119/878 cut-off events. For 56/99 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 4812 event pairs, 50 based on Foata normal form. 36/808 useless extension candidates. Maximal degree in co-relation 837. Up to 139 conditions per place. [2024-11-19 06:03:53,321 INFO L140 encePairwiseOnDemand]: 131/139 looper letters, 16 selfloop transitions, 4 changer transitions 1/143 dead transitions. [2024-11-19 06:03:53,321 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 141 places, 143 transitions, 342 flow [2024-11-19 06:03:53,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 06:03:53,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 06:03:53,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 393 transitions. [2024-11-19 06:03:53,323 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9424460431654677 [2024-11-19 06:03:53,323 INFO L175 Difference]: Start difference. First operand has 139 places, 139 transitions, 294 flow. Second operand 3 states and 393 transitions. [2024-11-19 06:03:53,323 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 141 places, 143 transitions, 342 flow [2024-11-19 06:03:53,324 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 141 places, 143 transitions, 342 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-19 06:03:53,326 INFO L231 Difference]: Finished difference. Result has 143 places, 138 transitions, 316 flow [2024-11-19 06:03:53,343 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=139, PETRI_DIFFERENCE_MINUEND_FLOW=288, PETRI_DIFFERENCE_MINUEND_PLACES=139, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=136, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=132, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=316, PETRI_PLACES=143, PETRI_TRANSITIONS=138} [2024-11-19 06:03:53,344 INFO L277 CegarLoopForPetriNet]: 139 programPoint places, 4 predicate places. [2024-11-19 06:03:53,344 INFO L471 AbstractCegarLoop]: Abstraction has has 143 places, 138 transitions, 316 flow [2024-11-19 06:03:53,344 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 123.66666666666667) internal successors, (371), 3 states have internal predecessors, (371), 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) [2024-11-19 06:03:53,344 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 06:03:53,344 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 06:03:53,345 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-19 06:03:53,345 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2024-11-19 06:03:53,345 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:03:53,345 INFO L85 PathProgramCache]: Analyzing trace with hash -200520543, now seen corresponding path program 1 times [2024-11-19 06:03:53,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:03:53,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189182256] [2024-11-19 06:03:53,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:03:53,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:03:53,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:03:53,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:03:53,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:03:53,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189182256] [2024-11-19 06:03:53,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1189182256] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:03:53,422 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:03:53,423 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 06:03:53,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326178860] [2024-11-19 06:03:53,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:03:53,423 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 06:03:53,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:03:53,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 06:03:53,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-19 06:03:53,554 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 117 out of 139 [2024-11-19 06:03:53,555 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 143 places, 138 transitions, 316 flow. Second operand has 5 states, 5 states have (on average 118.4) internal successors, (592), 5 states have internal predecessors, (592), 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) [2024-11-19 06:03:53,556 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 06:03:53,556 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 117 of 139 [2024-11-19 06:03:53,556 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 06:03:53,743 INFO L124 PetriNetUnfolderBase]: 189/1374 cut-off events. [2024-11-19 06:03:53,743 INFO L125 PetriNetUnfolderBase]: For 72/73 co-relation queries the response was YES. [2024-11-19 06:03:53,748 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1874 conditions, 1374 events. 189/1374 cut-off events. For 72/73 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 9468 event pairs, 131 based on Foata normal form. 1/1256 useless extension candidates. Maximal degree in co-relation 1273. Up to 314 conditions per place. [2024-11-19 06:03:53,754 INFO L140 encePairwiseOnDemand]: 131/139 looper letters, 20 selfloop transitions, 2 changer transitions 5/146 dead transitions. [2024-11-19 06:03:53,754 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 147 places, 146 transitions, 386 flow [2024-11-19 06:03:53,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 06:03:53,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 06:03:53,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 730 transitions. [2024-11-19 06:03:53,756 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8752997601918465 [2024-11-19 06:03:53,757 INFO L175 Difference]: Start difference. First operand has 143 places, 138 transitions, 316 flow. Second operand 6 states and 730 transitions. [2024-11-19 06:03:53,757 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 147 places, 146 transitions, 386 flow [2024-11-19 06:03:53,759 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 145 places, 146 transitions, 378 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 06:03:53,760 INFO L231 Difference]: Finished difference. Result has 149 places, 139 transitions, 330 flow [2024-11-19 06:03:53,761 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=139, PETRI_DIFFERENCE_MINUEND_FLOW=308, PETRI_DIFFERENCE_MINUEND_PLACES=140, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=138, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=136, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=330, PETRI_PLACES=149, PETRI_TRANSITIONS=139} [2024-11-19 06:03:53,761 INFO L277 CegarLoopForPetriNet]: 139 programPoint places, 10 predicate places. [2024-11-19 06:03:53,762 INFO L471 AbstractCegarLoop]: Abstraction has has 149 places, 139 transitions, 330 flow [2024-11-19 06:03:53,762 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 118.4) internal successors, (592), 5 states have internal predecessors, (592), 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) [2024-11-19 06:03:53,762 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 06:03:53,763 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 06:03:53,763 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-19 06:03:53,763 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2024-11-19 06:03:53,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:03:53,764 INFO L85 PathProgramCache]: Analyzing trace with hash 2085519199, now seen corresponding path program 1 times [2024-11-19 06:03:53,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:03:53,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417359502] [2024-11-19 06:03:53,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:03:53,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:03:53,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:03:53,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:03:53,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:03:53,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417359502] [2024-11-19 06:03:53,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1417359502] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:03:53,986 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:03:53,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 06:03:53,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301410804] [2024-11-19 06:03:53,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:03:53,987 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 06:03:53,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:03:53,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 06:03:53,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 06:03:54,137 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 98 out of 139 [2024-11-19 06:03:54,138 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 149 places, 139 transitions, 330 flow. Second operand has 6 states, 6 states have (on average 99.5) internal successors, (597), 6 states have internal predecessors, (597), 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) [2024-11-19 06:03:54,138 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 06:03:54,138 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 98 of 139 [2024-11-19 06:03:54,138 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 06:03:54,534 INFO L124 PetriNetUnfolderBase]: 448/2416 cut-off events. [2024-11-19 06:03:54,534 INFO L125 PetriNetUnfolderBase]: For 97/97 co-relation queries the response was YES. [2024-11-19 06:03:54,541 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3521 conditions, 2416 events. 448/2416 cut-off events. For 97/97 co-relation queries the response was YES. Maximal size of possible extension queue 111. Compared 20025 event pairs, 342 based on Foata normal form. 0/2149 useless extension candidates. Maximal degree in co-relation 3409. Up to 657 conditions per place. [2024-11-19 06:03:54,549 INFO L140 encePairwiseOnDemand]: 133/139 looper letters, 49 selfloop transitions, 5 changer transitions 0/154 dead transitions. [2024-11-19 06:03:54,550 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 150 places, 154 transitions, 468 flow [2024-11-19 06:03:54,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 06:03:54,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 06:03:54,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 642 transitions. [2024-11-19 06:03:54,552 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7697841726618705 [2024-11-19 06:03:54,552 INFO L175 Difference]: Start difference. First operand has 149 places, 139 transitions, 330 flow. Second operand 6 states and 642 transitions. [2024-11-19 06:03:54,552 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 150 places, 154 transitions, 468 flow [2024-11-19 06:03:54,554 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 146 places, 154 transitions, 456 flow, removed 5 selfloop flow, removed 4 redundant places. [2024-11-19 06:03:54,556 INFO L231 Difference]: Finished difference. Result has 146 places, 138 transitions, 326 flow [2024-11-19 06:03:54,557 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=139, PETRI_DIFFERENCE_MINUEND_FLOW=316, PETRI_DIFFERENCE_MINUEND_PLACES=141, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=138, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=133, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=326, PETRI_PLACES=146, PETRI_TRANSITIONS=138} [2024-11-19 06:03:54,557 INFO L277 CegarLoopForPetriNet]: 139 programPoint places, 7 predicate places. [2024-11-19 06:03:54,557 INFO L471 AbstractCegarLoop]: Abstraction has has 146 places, 138 transitions, 326 flow [2024-11-19 06:03:54,558 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 99.5) internal successors, (597), 6 states have internal predecessors, (597), 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) [2024-11-19 06:03:54,558 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 06:03:54,558 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 06:03:54,558 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-19 06:03:54,559 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2024-11-19 06:03:54,559 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:03:54,559 INFO L85 PathProgramCache]: Analyzing trace with hash 1065155985, now seen corresponding path program 1 times [2024-11-19 06:03:54,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:03:54,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432717498] [2024-11-19 06:03:54,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:03:54,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:03:54,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:03:54,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:03:54,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:03:54,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432717498] [2024-11-19 06:03:54,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1432717498] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:03:54,812 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:03:54,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 06:03:54,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309642218] [2024-11-19 06:03:54,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:03:54,812 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 06:03:54,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:03:54,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 06:03:54,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 06:03:54,959 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 100 out of 139 [2024-11-19 06:03:54,960 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 146 places, 138 transitions, 326 flow. Second operand has 6 states, 6 states have (on average 102.0) internal successors, (612), 6 states have internal predecessors, (612), 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) [2024-11-19 06:03:54,960 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 06:03:54,960 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 100 of 139 [2024-11-19 06:03:54,960 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 06:03:55,245 INFO L124 PetriNetUnfolderBase]: 446/2418 cut-off events. [2024-11-19 06:03:55,246 INFO L125 PetriNetUnfolderBase]: For 76/76 co-relation queries the response was YES. [2024-11-19 06:03:55,255 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3494 conditions, 2418 events. 446/2418 cut-off events. For 76/76 co-relation queries the response was YES. Maximal size of possible extension queue 104. Compared 20034 event pairs, 264 based on Foata normal form. 0/2139 useless extension candidates. Maximal degree in co-relation 2137. Up to 633 conditions per place. [2024-11-19 06:03:55,266 INFO L140 encePairwiseOnDemand]: 133/139 looper letters, 46 selfloop transitions, 5 changer transitions 0/153 dead transitions. [2024-11-19 06:03:55,267 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 150 places, 153 transitions, 458 flow [2024-11-19 06:03:55,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 06:03:55,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 06:03:55,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 652 transitions. [2024-11-19 06:03:55,269 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7817745803357314 [2024-11-19 06:03:55,269 INFO L175 Difference]: Start difference. First operand has 146 places, 138 transitions, 326 flow. Second operand 6 states and 652 transitions. [2024-11-19 06:03:55,269 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 150 places, 153 transitions, 458 flow [2024-11-19 06:03:55,271 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 145 places, 153 transitions, 448 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-19 06:03:55,273 INFO L231 Difference]: Finished difference. Result has 145 places, 137 transitions, 324 flow [2024-11-19 06:03:55,273 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=139, PETRI_DIFFERENCE_MINUEND_FLOW=314, PETRI_DIFFERENCE_MINUEND_PLACES=140, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=137, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=132, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=324, PETRI_PLACES=145, PETRI_TRANSITIONS=137} [2024-11-19 06:03:55,274 INFO L277 CegarLoopForPetriNet]: 139 programPoint places, 6 predicate places. [2024-11-19 06:03:55,274 INFO L471 AbstractCegarLoop]: Abstraction has has 145 places, 137 transitions, 324 flow [2024-11-19 06:03:55,275 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 102.0) internal successors, (612), 6 states have internal predecessors, (612), 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) [2024-11-19 06:03:55,275 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 06:03:55,275 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 06:03:55,275 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-19 06:03:55,275 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2024-11-19 06:03:55,276 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:03:55,276 INFO L85 PathProgramCache]: Analyzing trace with hash 481607029, now seen corresponding path program 1 times [2024-11-19 06:03:55,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:03:55,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146709368] [2024-11-19 06:03:55,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:03:55,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:03:55,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:03:55,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:03:55,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:03:55,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146709368] [2024-11-19 06:03:55,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1146709368] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:03:55,313 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:03:55,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 06:03:55,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416002732] [2024-11-19 06:03:55,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:03:55,314 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 06:03:55,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:03:55,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 06:03:55,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 06:03:55,329 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 121 out of 139 [2024-11-19 06:03:55,330 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 145 places, 137 transitions, 324 flow. Second operand has 3 states, 3 states have (on average 122.66666666666667) internal successors, (368), 3 states have internal predecessors, (368), 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) [2024-11-19 06:03:55,330 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 06:03:55,330 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 121 of 139 [2024-11-19 06:03:55,330 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 06:03:55,473 INFO L124 PetriNetUnfolderBase]: 165/1189 cut-off events. [2024-11-19 06:03:55,474 INFO L125 PetriNetUnfolderBase]: For 192/359 co-relation queries the response was YES. [2024-11-19 06:03:55,479 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1757 conditions, 1189 events. 165/1189 cut-off events. For 192/359 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 8130 event pairs, 88 based on Foata normal form. 3/1059 useless extension candidates. Maximal degree in co-relation 1425. Up to 269 conditions per place. [2024-11-19 06:03:55,484 INFO L140 encePairwiseOnDemand]: 133/139 looper letters, 19 selfloop transitions, 7 changer transitions 0/146 dead transitions. [2024-11-19 06:03:55,485 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 147 places, 146 transitions, 408 flow [2024-11-19 06:03:55,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 06:03:55,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 06:03:55,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 387 transitions. [2024-11-19 06:03:55,487 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9280575539568345 [2024-11-19 06:03:55,487 INFO L175 Difference]: Start difference. First operand has 145 places, 137 transitions, 324 flow. Second operand 3 states and 387 transitions. [2024-11-19 06:03:55,487 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 147 places, 146 transitions, 408 flow [2024-11-19 06:03:55,488 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 142 places, 146 transitions, 398 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-19 06:03:55,490 INFO L231 Difference]: Finished difference. Result has 144 places, 142 transitions, 370 flow [2024-11-19 06:03:55,491 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=139, PETRI_DIFFERENCE_MINUEND_FLOW=314, PETRI_DIFFERENCE_MINUEND_PLACES=140, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=137, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=130, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=370, PETRI_PLACES=144, PETRI_TRANSITIONS=142} [2024-11-19 06:03:55,492 INFO L277 CegarLoopForPetriNet]: 139 programPoint places, 5 predicate places. [2024-11-19 06:03:55,492 INFO L471 AbstractCegarLoop]: Abstraction has has 144 places, 142 transitions, 370 flow [2024-11-19 06:03:55,493 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 122.66666666666667) internal successors, (368), 3 states have internal predecessors, (368), 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) [2024-11-19 06:03:55,493 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 06:03:55,493 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 06:03:55,493 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-19 06:03:55,493 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2024-11-19 06:03:55,493 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:03:55,494 INFO L85 PathProgramCache]: Analyzing trace with hash 1752921541, now seen corresponding path program 1 times [2024-11-19 06:03:55,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:03:55,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34494168] [2024-11-19 06:03:55,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:03:55,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:03:55,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:03:55,772 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 06:03:55,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:03:55,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34494168] [2024-11-19 06:03:55,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [34494168] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:03:55,773 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:03:55,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 06:03:55,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766296264] [2024-11-19 06:03:55,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:03:55,773 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 06:03:55,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:03:55,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 06:03:55,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 06:03:55,962 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 139 [2024-11-19 06:03:55,963 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 144 places, 142 transitions, 370 flow. Second operand has 6 states, 6 states have (on average 104.83333333333333) internal successors, (629), 6 states have internal predecessors, (629), 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) [2024-11-19 06:03:55,963 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 06:03:55,963 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 139 [2024-11-19 06:03:55,963 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 06:03:56,302 INFO L124 PetriNetUnfolderBase]: 463/2595 cut-off events. [2024-11-19 06:03:56,302 INFO L125 PetriNetUnfolderBase]: For 408/466 co-relation queries the response was YES. [2024-11-19 06:03:56,311 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4121 conditions, 2595 events. 463/2595 cut-off events. For 408/466 co-relation queries the response was YES. Maximal size of possible extension queue 129. Compared 22408 event pairs, 251 based on Foata normal form. 3/2378 useless extension candidates. Maximal degree in co-relation 3254. Up to 490 conditions per place. [2024-11-19 06:03:56,321 INFO L140 encePairwiseOnDemand]: 132/139 looper letters, 43 selfloop transitions, 5 changer transitions 0/156 dead transitions. [2024-11-19 06:03:56,321 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 147 places, 156 transitions, 494 flow [2024-11-19 06:03:56,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 06:03:56,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 06:03:56,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 662 transitions. [2024-11-19 06:03:56,323 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7937649880095923 [2024-11-19 06:03:56,323 INFO L175 Difference]: Start difference. First operand has 144 places, 142 transitions, 370 flow. Second operand 6 states and 662 transitions. [2024-11-19 06:03:56,323 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 147 places, 156 transitions, 494 flow [2024-11-19 06:03:56,327 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 145 places, 156 transitions, 480 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 06:03:56,328 INFO L231 Difference]: Finished difference. Result has 145 places, 140 transitions, 362 flow [2024-11-19 06:03:56,328 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=139, PETRI_DIFFERENCE_MINUEND_FLOW=352, PETRI_DIFFERENCE_MINUEND_PLACES=140, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=140, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=135, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=362, PETRI_PLACES=145, PETRI_TRANSITIONS=140} [2024-11-19 06:03:56,329 INFO L277 CegarLoopForPetriNet]: 139 programPoint places, 6 predicate places. [2024-11-19 06:03:56,329 INFO L471 AbstractCegarLoop]: Abstraction has has 145 places, 140 transitions, 362 flow [2024-11-19 06:03:56,329 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 104.83333333333333) internal successors, (629), 6 states have internal predecessors, (629), 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) [2024-11-19 06:03:56,330 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 06:03:56,330 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 06:03:56,330 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-19 06:03:56,330 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2024-11-19 06:03:56,330 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:03:56,330 INFO L85 PathProgramCache]: Analyzing trace with hash 1171198917, now seen corresponding path program 1 times [2024-11-19 06:03:56,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:03:56,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976960574] [2024-11-19 06:03:56,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:03:56,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:03:56,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:03:56,420 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:03:56,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:03:56,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976960574] [2024-11-19 06:03:56,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [976960574] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 06:03:56,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [221436863] [2024-11-19 06:03:56,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:03:56,421 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 06:03:56,421 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 06:03:56,422 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 06:03:56,424 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-19 06:03:56,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:03:56,531 INFO L255 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 06:03:56,533 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 06:03:56,596 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:03:56,597 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 06:03:56,661 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:03:56,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [221436863] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 06:03:56,661 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 06:03:56,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 9 [2024-11-19 06:03:56,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668346462] [2024-11-19 06:03:56,661 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 06:03:56,662 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 06:03:56,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:03:56,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 06:03:56,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-19 06:03:56,872 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 115 out of 139 [2024-11-19 06:03:56,874 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 145 places, 140 transitions, 362 flow. Second operand has 9 states, 9 states have (on average 117.22222222222223) internal successors, (1055), 9 states have internal predecessors, (1055), 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) [2024-11-19 06:03:56,874 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 06:03:56,874 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 115 of 139 [2024-11-19 06:03:56,874 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 06:03:57,112 INFO L124 PetriNetUnfolderBase]: 162/1358 cut-off events. [2024-11-19 06:03:57,113 INFO L125 PetriNetUnfolderBase]: For 135/158 co-relation queries the response was YES. [2024-11-19 06:03:57,118 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1990 conditions, 1358 events. 162/1358 cut-off events. For 135/158 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 8998 event pairs, 60 based on Foata normal form. 0/1268 useless extension candidates. Maximal degree in co-relation 1029. Up to 161 conditions per place. [2024-11-19 06:03:57,122 INFO L140 encePairwiseOnDemand]: 129/139 looper letters, 32 selfloop transitions, 10 changer transitions 3/162 dead transitions. [2024-11-19 06:03:57,123 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 152 places, 162 transitions, 500 flow [2024-11-19 06:03:57,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-19 06:03:57,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-19 06:03:57,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 966 transitions. [2024-11-19 06:03:57,125 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8687050359712231 [2024-11-19 06:03:57,125 INFO L175 Difference]: Start difference. First operand has 145 places, 140 transitions, 362 flow. Second operand 8 states and 966 transitions. [2024-11-19 06:03:57,125 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 152 places, 162 transitions, 500 flow [2024-11-19 06:03:57,127 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 147 places, 162 transitions, 488 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-19 06:03:57,129 INFO L231 Difference]: Finished difference. Result has 150 places, 142 transitions, 390 flow [2024-11-19 06:03:57,130 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=139, PETRI_DIFFERENCE_MINUEND_FLOW=346, PETRI_DIFFERENCE_MINUEND_PLACES=140, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=139, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=130, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=390, PETRI_PLACES=150, PETRI_TRANSITIONS=142} [2024-11-19 06:03:57,130 INFO L277 CegarLoopForPetriNet]: 139 programPoint places, 11 predicate places. [2024-11-19 06:03:57,130 INFO L471 AbstractCegarLoop]: Abstraction has has 150 places, 142 transitions, 390 flow [2024-11-19 06:03:57,132 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 117.22222222222223) internal successors, (1055), 9 states have internal predecessors, (1055), 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) [2024-11-19 06:03:57,133 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 06:03:57,133 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 06:03:57,151 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-19 06:03:57,333 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-19 06:03:57,334 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2024-11-19 06:03:57,335 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:03:57,335 INFO L85 PathProgramCache]: Analyzing trace with hash -1014058976, now seen corresponding path program 1 times [2024-11-19 06:03:57,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:03:57,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214716594] [2024-11-19 06:03:57,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:03:57,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:03:57,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:03:57,643 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 06:03:57,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:03:57,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214716594] [2024-11-19 06:03:57,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1214716594] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:03:57,644 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:03:57,645 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 06:03:57,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211208547] [2024-11-19 06:03:57,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:03:57,646 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 06:03:57,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:03:57,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 06:03:57,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 06:03:57,805 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 110 out of 139 [2024-11-19 06:03:57,806 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 150 places, 142 transitions, 390 flow. Second operand has 6 states, 6 states have (on average 112.66666666666667) internal successors, (676), 6 states have internal predecessors, (676), 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) [2024-11-19 06:03:57,806 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 06:03:57,807 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 139 [2024-11-19 06:03:57,807 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 06:03:58,108 INFO L124 PetriNetUnfolderBase]: 329/1886 cut-off events. [2024-11-19 06:03:58,108 INFO L125 PetriNetUnfolderBase]: For 151/186 co-relation queries the response was YES. [2024-11-19 06:03:58,116 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2951 conditions, 1886 events. 329/1886 cut-off events. For 151/186 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 14576 event pairs, 186 based on Foata normal form. 0/1757 useless extension candidates. Maximal degree in co-relation 2205. Up to 364 conditions per place. [2024-11-19 06:03:58,123 INFO L140 encePairwiseOnDemand]: 133/139 looper letters, 36 selfloop transitions, 5 changer transitions 1/157 dead transitions. [2024-11-19 06:03:58,124 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 154 places, 157 transitions, 502 flow [2024-11-19 06:03:58,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 06:03:58,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 06:03:58,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 702 transitions. [2024-11-19 06:03:58,126 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.841726618705036 [2024-11-19 06:03:58,126 INFO L175 Difference]: Start difference. First operand has 150 places, 142 transitions, 390 flow. Second operand 6 states and 702 transitions. [2024-11-19 06:03:58,126 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 154 places, 157 transitions, 502 flow [2024-11-19 06:03:58,129 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 151 places, 157 transitions, 496 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-19 06:03:58,131 INFO L231 Difference]: Finished difference. Result has 151 places, 140 transitions, 387 flow [2024-11-19 06:03:58,131 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=139, PETRI_DIFFERENCE_MINUEND_FLOW=382, PETRI_DIFFERENCE_MINUEND_PLACES=146, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=141, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=136, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=387, PETRI_PLACES=151, PETRI_TRANSITIONS=140} [2024-11-19 06:03:58,132 INFO L277 CegarLoopForPetriNet]: 139 programPoint places, 12 predicate places. [2024-11-19 06:03:58,133 INFO L471 AbstractCegarLoop]: Abstraction has has 151 places, 140 transitions, 387 flow [2024-11-19 06:03:58,133 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 112.66666666666667) internal successors, (676), 6 states have internal predecessors, (676), 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) [2024-11-19 06:03:58,133 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 06:03:58,134 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 06:03:58,134 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-19 06:03:58,134 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2024-11-19 06:03:58,134 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:03:58,135 INFO L85 PathProgramCache]: Analyzing trace with hash -1969955840, now seen corresponding path program 1 times [2024-11-19 06:03:58,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:03:58,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106507447] [2024-11-19 06:03:58,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:03:58,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:03:58,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:03:58,184 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-19 06:03:58,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:03:58,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106507447] [2024-11-19 06:03:58,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [106507447] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:03:58,184 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:03:58,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 06:03:58,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379761782] [2024-11-19 06:03:58,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:03:58,185 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 06:03:58,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:03:58,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 06:03:58,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 06:03:58,201 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 121 out of 139 [2024-11-19 06:03:58,202 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 151 places, 140 transitions, 387 flow. Second operand has 3 states, 3 states have (on average 123.0) internal successors, (369), 3 states have internal predecessors, (369), 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) [2024-11-19 06:03:58,202 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 06:03:58,202 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 121 of 139 [2024-11-19 06:03:58,202 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 06:03:58,321 INFO L124 PetriNetUnfolderBase]: 56/879 cut-off events. [2024-11-19 06:03:58,322 INFO L125 PetriNetUnfolderBase]: For 247/475 co-relation queries the response was YES. [2024-11-19 06:03:58,326 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1370 conditions, 879 events. 56/879 cut-off events. For 247/475 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 5330 event pairs, 30 based on Foata normal form. 2/855 useless extension candidates. Maximal degree in co-relation 1192. Up to 119 conditions per place. [2024-11-19 06:03:58,332 INFO L140 encePairwiseOnDemand]: 133/139 looper letters, 19 selfloop transitions, 7 changer transitions 1/147 dead transitions. [2024-11-19 06:03:58,332 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 153 places, 147 transitions, 464 flow [2024-11-19 06:03:58,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 06:03:58,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 06:03:58,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 386 transitions. [2024-11-19 06:03:58,333 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9256594724220624 [2024-11-19 06:03:58,334 INFO L175 Difference]: Start difference. First operand has 151 places, 140 transitions, 387 flow. Second operand 3 states and 386 transitions. [2024-11-19 06:03:58,334 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 153 places, 147 transitions, 464 flow [2024-11-19 06:03:58,336 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 148 places, 147 transitions, 454 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-19 06:03:58,338 INFO L231 Difference]: Finished difference. Result has 150 places, 143 transitions, 427 flow [2024-11-19 06:03:58,338 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=139, PETRI_DIFFERENCE_MINUEND_FLOW=377, PETRI_DIFFERENCE_MINUEND_PLACES=146, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=140, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=133, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=427, PETRI_PLACES=150, PETRI_TRANSITIONS=143} [2024-11-19 06:03:58,338 INFO L277 CegarLoopForPetriNet]: 139 programPoint places, 11 predicate places. [2024-11-19 06:03:58,339 INFO L471 AbstractCegarLoop]: Abstraction has has 150 places, 143 transitions, 427 flow [2024-11-19 06:03:58,339 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 123.0) internal successors, (369), 3 states have internal predecessors, (369), 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) [2024-11-19 06:03:58,339 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 06:03:58,339 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 06:03:58,339 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-19 06:03:58,340 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2024-11-19 06:03:58,340 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:03:58,340 INFO L85 PathProgramCache]: Analyzing trace with hash -2139877206, now seen corresponding path program 1 times [2024-11-19 06:03:58,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:03:58,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223872711] [2024-11-19 06:03:58,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:03:58,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:03:58,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:03:58,476 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-19 06:03:58,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:03:58,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [223872711] [2024-11-19 06:03:58,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [223872711] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:03:58,477 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:03:58,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 06:03:58,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489715387] [2024-11-19 06:03:58,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:03:58,478 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 06:03:58,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:03:58,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 06:03:58,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 06:03:58,489 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 139 [2024-11-19 06:03:58,490 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 150 places, 143 transitions, 427 flow. Second operand has 3 states, 3 states have (on average 128.66666666666666) internal successors, (386), 3 states have internal predecessors, (386), 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) [2024-11-19 06:03:58,490 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 06:03:58,490 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 139 [2024-11-19 06:03:58,490 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 06:03:58,564 INFO L124 PetriNetUnfolderBase]: 12/537 cut-off events. [2024-11-19 06:03:58,564 INFO L125 PetriNetUnfolderBase]: For 125/145 co-relation queries the response was YES. [2024-11-19 06:03:58,565 INFO L83 FinitePrefix]: Finished finitePrefix Result has 774 conditions, 537 events. 12/537 cut-off events. For 125/145 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 2275 event pairs, 2 based on Foata normal form. 4/534 useless extension candidates. Maximal degree in co-relation 580. Up to 26 conditions per place. [2024-11-19 06:03:58,566 INFO L140 encePairwiseOnDemand]: 135/139 looper letters, 8 selfloop transitions, 4 changer transitions 4/144 dead transitions. [2024-11-19 06:03:58,566 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 152 places, 144 transitions, 448 flow [2024-11-19 06:03:58,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 06:03:58,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 06:03:58,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 395 transitions. [2024-11-19 06:03:58,568 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.947242206235012 [2024-11-19 06:03:58,568 INFO L175 Difference]: Start difference. First operand has 150 places, 143 transitions, 427 flow. Second operand 3 states and 395 transitions. [2024-11-19 06:03:58,568 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 152 places, 144 transitions, 448 flow [2024-11-19 06:03:58,570 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 150 places, 144 transitions, 436 flow, removed 1 selfloop flow, removed 2 redundant places. [2024-11-19 06:03:58,572 INFO L231 Difference]: Finished difference. Result has 150 places, 137 transitions, 387 flow [2024-11-19 06:03:58,572 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=139, PETRI_DIFFERENCE_MINUEND_FLOW=395, PETRI_DIFFERENCE_MINUEND_PLACES=148, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=141, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=137, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=387, PETRI_PLACES=150, PETRI_TRANSITIONS=137} [2024-11-19 06:03:58,573 INFO L277 CegarLoopForPetriNet]: 139 programPoint places, 11 predicate places. [2024-11-19 06:03:58,573 INFO L471 AbstractCegarLoop]: Abstraction has has 150 places, 137 transitions, 387 flow [2024-11-19 06:03:58,574 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 128.66666666666666) internal successors, (386), 3 states have internal predecessors, (386), 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) [2024-11-19 06:03:58,574 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 06:03:58,574 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 06:03:58,574 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-19 06:03:58,574 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2024-11-19 06:03:58,575 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:03:58,575 INFO L85 PathProgramCache]: Analyzing trace with hash -781949816, now seen corresponding path program 1 times [2024-11-19 06:03:58,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:03:58,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289537782] [2024-11-19 06:03:58,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:03:58,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:03:58,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 06:03:58,626 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 06:03:58,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 06:03:58,677 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 06:03:58,677 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-19 06:03:58,677 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 10 remaining) [2024-11-19 06:03:58,677 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (8 of 10 remaining) [2024-11-19 06:03:58,678 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (7 of 10 remaining) [2024-11-19 06:03:58,678 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 10 remaining) [2024-11-19 06:03:58,678 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (5 of 10 remaining) [2024-11-19 06:03:58,678 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (4 of 10 remaining) [2024-11-19 06:03:58,678 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (3 of 10 remaining) [2024-11-19 06:03:58,678 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (2 of 10 remaining) [2024-11-19 06:03:58,679 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (1 of 10 remaining) [2024-11-19 06:03:58,679 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (0 of 10 remaining) [2024-11-19 06:03:58,679 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-19 06:03:58,679 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 06:03:58,681 WARN L244 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-19 06:03:58,681 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2024-11-19 06:03:58,699 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-19 06:03:58,702 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 158 places, 157 transitions, 341 flow [2024-11-19 06:03:58,754 INFO L124 PetriNetUnfolderBase]: 21/527 cut-off events. [2024-11-19 06:03:58,754 INFO L125 PetriNetUnfolderBase]: For 19/19 co-relation queries the response was YES. [2024-11-19 06:03:58,756 INFO L83 FinitePrefix]: Finished finitePrefix Result has 552 conditions, 527 events. 21/527 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1319 event pairs, 1 based on Foata normal form. 0/460 useless extension candidates. Maximal degree in co-relation 316. Up to 16 conditions per place. [2024-11-19 06:03:58,756 INFO L82 GeneralOperation]: Start removeDead. Operand has 158 places, 157 transitions, 341 flow [2024-11-19 06:03:58,761 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 158 places, 157 transitions, 341 flow [2024-11-19 06:03:58,762 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 06:03:58,762 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@4e7e45f7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 06:03:58,762 INFO L334 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2024-11-19 06:03:58,765 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-19 06:03:58,765 INFO L124 PetriNetUnfolderBase]: 3/50 cut-off events. [2024-11-19 06:03:58,766 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-19 06:03:58,766 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 06:03:58,766 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 06:03:58,766 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2024-11-19 06:03:58,766 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:03:58,766 INFO L85 PathProgramCache]: Analyzing trace with hash -1192952569, now seen corresponding path program 1 times [2024-11-19 06:03:58,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:03:58,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643003374] [2024-11-19 06:03:58,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:03:58,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:03:58,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:03:58,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:03:58,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:03:58,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643003374] [2024-11-19 06:03:58,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [643003374] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:03:58,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:03:58,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 06:03:58,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2450598] [2024-11-19 06:03:58,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:03:58,789 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 06:03:58,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:03:58,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 06:03:58,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 06:03:58,804 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 136 out of 157 [2024-11-19 06:03:58,805 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 158 places, 157 transitions, 341 flow. Second operand has 3 states, 3 states have (on average 136.66666666666666) internal successors, (410), 3 states have internal predecessors, (410), 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) [2024-11-19 06:03:58,805 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 06:03:58,805 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 136 of 157 [2024-11-19 06:03:58,805 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 06:03:59,399 INFO L124 PetriNetUnfolderBase]: 1071/4747 cut-off events. [2024-11-19 06:03:59,399 INFO L125 PetriNetUnfolderBase]: For 439/826 co-relation queries the response was YES. [2024-11-19 06:03:59,418 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6662 conditions, 4747 events. 1071/4747 cut-off events. For 439/826 co-relation queries the response was YES. Maximal size of possible extension queue 179. Compared 42113 event pairs, 542 based on Foata normal form. 171/4389 useless extension candidates. Maximal degree in co-relation 5220. Up to 1110 conditions per place. [2024-11-19 06:03:59,436 INFO L140 encePairwiseOnDemand]: 148/157 looper letters, 23 selfloop transitions, 5 changer transitions 1/164 dead transitions. [2024-11-19 06:03:59,437 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 160 places, 164 transitions, 411 flow [2024-11-19 06:03:59,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 06:03:59,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 06:03:59,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 440 transitions. [2024-11-19 06:03:59,438 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9341825902335457 [2024-11-19 06:03:59,438 INFO L175 Difference]: Start difference. First operand has 158 places, 157 transitions, 341 flow. Second operand 3 states and 440 transitions. [2024-11-19 06:03:59,438 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 160 places, 164 transitions, 411 flow [2024-11-19 06:03:59,439 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 160 places, 164 transitions, 411 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-19 06:03:59,442 INFO L231 Difference]: Finished difference. Result has 162 places, 157 transitions, 371 flow [2024-11-19 06:03:59,442 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=157, PETRI_DIFFERENCE_MINUEND_FLOW=335, PETRI_DIFFERENCE_MINUEND_PLACES=158, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=154, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=149, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=371, PETRI_PLACES=162, PETRI_TRANSITIONS=157} [2024-11-19 06:03:59,443 INFO L277 CegarLoopForPetriNet]: 158 programPoint places, 4 predicate places. [2024-11-19 06:03:59,443 INFO L471 AbstractCegarLoop]: Abstraction has has 162 places, 157 transitions, 371 flow [2024-11-19 06:03:59,443 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 136.66666666666666) internal successors, (410), 3 states have internal predecessors, (410), 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) [2024-11-19 06:03:59,443 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 06:03:59,443 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 06:03:59,444 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-19 06:03:59,444 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2024-11-19 06:03:59,444 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:03:59,445 INFO L85 PathProgramCache]: Analyzing trace with hash -622230047, now seen corresponding path program 1 times [2024-11-19 06:03:59,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:03:59,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174639178] [2024-11-19 06:03:59,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:03:59,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:03:59,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:03:59,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:03:59,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:03:59,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174639178] [2024-11-19 06:03:59,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [174639178] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:03:59,495 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:03:59,495 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 06:03:59,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817227920] [2024-11-19 06:03:59,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:03:59,495 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 06:03:59,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:03:59,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 06:03:59,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-19 06:03:59,578 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 131 out of 157 [2024-11-19 06:03:59,579 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 162 places, 157 transitions, 371 flow. Second operand has 5 states, 5 states have (on average 132.4) internal successors, (662), 5 states have internal predecessors, (662), 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) [2024-11-19 06:03:59,579 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 06:03:59,579 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 131 of 157 [2024-11-19 06:03:59,579 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 06:04:00,515 INFO L124 PetriNetUnfolderBase]: 1404/6861 cut-off events. [2024-11-19 06:04:00,516 INFO L125 PetriNetUnfolderBase]: For 443/458 co-relation queries the response was YES. [2024-11-19 06:04:00,646 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9759 conditions, 6861 events. 1404/6861 cut-off events. For 443/458 co-relation queries the response was YES. Maximal size of possible extension queue 200. Compared 66613 event pairs, 1086 based on Foata normal form. 1/6146 useless extension candidates. Maximal degree in co-relation 6125. Up to 1847 conditions per place. [2024-11-19 06:04:00,667 INFO L140 encePairwiseOnDemand]: 149/157 looper letters, 24 selfloop transitions, 2 changer transitions 5/165 dead transitions. [2024-11-19 06:04:00,667 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 166 places, 165 transitions, 449 flow [2024-11-19 06:04:00,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 06:04:00,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 06:04:00,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 818 transitions. [2024-11-19 06:04:00,669 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8683651804670913 [2024-11-19 06:04:00,669 INFO L175 Difference]: Start difference. First operand has 162 places, 157 transitions, 371 flow. Second operand 6 states and 818 transitions. [2024-11-19 06:04:00,669 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 166 places, 165 transitions, 449 flow [2024-11-19 06:04:00,675 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 164 places, 165 transitions, 439 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 06:04:00,677 INFO L231 Difference]: Finished difference. Result has 168 places, 158 transitions, 383 flow [2024-11-19 06:04:00,677 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=157, PETRI_DIFFERENCE_MINUEND_FLOW=361, PETRI_DIFFERENCE_MINUEND_PLACES=159, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=157, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=155, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=383, PETRI_PLACES=168, PETRI_TRANSITIONS=158} [2024-11-19 06:04:00,677 INFO L277 CegarLoopForPetriNet]: 158 programPoint places, 10 predicate places. [2024-11-19 06:04:00,677 INFO L471 AbstractCegarLoop]: Abstraction has has 168 places, 158 transitions, 383 flow [2024-11-19 06:04:00,678 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 132.4) internal successors, (662), 5 states have internal predecessors, (662), 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) [2024-11-19 06:04:00,678 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 06:04:00,678 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 06:04:00,678 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-19 06:04:00,679 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2024-11-19 06:04:00,679 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:04:00,679 INFO L85 PathProgramCache]: Analyzing trace with hash 1897426620, now seen corresponding path program 1 times [2024-11-19 06:04:00,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:04:00,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403429168] [2024-11-19 06:04:00,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:04:00,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:04:00,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:04:00,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:04:00,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:04:00,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403429168] [2024-11-19 06:04:00,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [403429168] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:04:00,848 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:04:00,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 06:04:00,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658071045] [2024-11-19 06:04:00,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:04:00,849 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 06:04:00,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:04:00,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 06:04:00,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 06:04:01,047 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 157 [2024-11-19 06:04:01,048 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 168 places, 158 transitions, 383 flow. Second operand has 6 states, 6 states have (on average 113.5) internal successors, (681), 6 states have internal predecessors, (681), 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) [2024-11-19 06:04:01,048 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 06:04:01,048 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 157 [2024-11-19 06:04:01,048 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 06:04:02,901 INFO L124 PetriNetUnfolderBase]: 3152/13178 cut-off events. [2024-11-19 06:04:02,902 INFO L125 PetriNetUnfolderBase]: For 507/508 co-relation queries the response was YES. [2024-11-19 06:04:02,966 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19322 conditions, 13178 events. 3152/13178 cut-off events. For 507/508 co-relation queries the response was YES. Maximal size of possible extension queue 407. Compared 142874 event pairs, 2465 based on Foata normal form. 0/11518 useless extension candidates. Maximal degree in co-relation 19209. Up to 3699 conditions per place. [2024-11-19 06:04:03,023 INFO L140 encePairwiseOnDemand]: 151/157 looper letters, 61 selfloop transitions, 5 changer transitions 0/181 dead transitions. [2024-11-19 06:04:03,024 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 169 places, 181 transitions, 561 flow [2024-11-19 06:04:03,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 06:04:03,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 06:04:03,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 738 transitions. [2024-11-19 06:04:03,026 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7834394904458599 [2024-11-19 06:04:03,026 INFO L175 Difference]: Start difference. First operand has 168 places, 158 transitions, 383 flow. Second operand 6 states and 738 transitions. [2024-11-19 06:04:03,027 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 169 places, 181 transitions, 561 flow [2024-11-19 06:04:03,033 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 165 places, 181 transitions, 549 flow, removed 5 selfloop flow, removed 4 redundant places. [2024-11-19 06:04:03,035 INFO L231 Difference]: Finished difference. Result has 165 places, 157 transitions, 379 flow [2024-11-19 06:04:03,036 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=157, PETRI_DIFFERENCE_MINUEND_FLOW=369, PETRI_DIFFERENCE_MINUEND_PLACES=160, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=157, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=152, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=379, PETRI_PLACES=165, PETRI_TRANSITIONS=157} [2024-11-19 06:04:03,036 INFO L277 CegarLoopForPetriNet]: 158 programPoint places, 7 predicate places. [2024-11-19 06:04:03,036 INFO L471 AbstractCegarLoop]: Abstraction has has 165 places, 157 transitions, 379 flow [2024-11-19 06:04:03,037 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 113.5) internal successors, (681), 6 states have internal predecessors, (681), 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) [2024-11-19 06:04:03,037 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 06:04:03,037 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 06:04:03,037 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-19 06:04:03,037 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2024-11-19 06:04:03,038 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:04:03,038 INFO L85 PathProgramCache]: Analyzing trace with hash 555839182, now seen corresponding path program 1 times [2024-11-19 06:04:03,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:04:03,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471980384] [2024-11-19 06:04:03,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:04:03,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:04:03,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:04:03,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:04:03,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:04:03,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471980384] [2024-11-19 06:04:03,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1471980384] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:04:03,343 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:04:03,343 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 06:04:03,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839375106] [2024-11-19 06:04:03,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:04:03,344 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 06:04:03,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:04:03,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 06:04:03,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 06:04:03,449 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 114 out of 157 [2024-11-19 06:04:03,450 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 165 places, 157 transitions, 379 flow. Second operand has 6 states, 6 states have (on average 116.0) internal successors, (696), 6 states have internal predecessors, (696), 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) [2024-11-19 06:04:03,450 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 06:04:03,450 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 114 of 157 [2024-11-19 06:04:03,450 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 06:04:05,218 INFO L124 PetriNetUnfolderBase]: 3111/12735 cut-off events. [2024-11-19 06:04:05,218 INFO L125 PetriNetUnfolderBase]: For 414/414 co-relation queries the response was YES. [2024-11-19 06:04:05,269 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18633 conditions, 12735 events. 3111/12735 cut-off events. For 414/414 co-relation queries the response was YES. Maximal size of possible extension queue 384. Compared 138436 event pairs, 1733 based on Foata normal form. 0/11154 useless extension candidates. Maximal degree in co-relation 5021. Up to 3533 conditions per place. [2024-11-19 06:04:05,320 INFO L140 encePairwiseOnDemand]: 151/157 looper letters, 58 selfloop transitions, 5 changer transitions 0/180 dead transitions. [2024-11-19 06:04:05,320 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 169 places, 180 transitions, 551 flow [2024-11-19 06:04:05,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 06:04:05,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 06:04:05,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 748 transitions. [2024-11-19 06:04:05,322 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7940552016985138 [2024-11-19 06:04:05,322 INFO L175 Difference]: Start difference. First operand has 165 places, 157 transitions, 379 flow. Second operand 6 states and 748 transitions. [2024-11-19 06:04:05,322 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 169 places, 180 transitions, 551 flow [2024-11-19 06:04:05,324 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 164 places, 180 transitions, 541 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-19 06:04:05,326 INFO L231 Difference]: Finished difference. Result has 164 places, 156 transitions, 377 flow [2024-11-19 06:04:05,327 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=157, PETRI_DIFFERENCE_MINUEND_FLOW=367, PETRI_DIFFERENCE_MINUEND_PLACES=159, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=156, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=151, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=377, PETRI_PLACES=164, PETRI_TRANSITIONS=156} [2024-11-19 06:04:05,327 INFO L277 CegarLoopForPetriNet]: 158 programPoint places, 6 predicate places. [2024-11-19 06:04:05,327 INFO L471 AbstractCegarLoop]: Abstraction has has 164 places, 156 transitions, 377 flow [2024-11-19 06:04:05,328 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 116.0) internal successors, (696), 6 states have internal predecessors, (696), 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) [2024-11-19 06:04:05,328 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 06:04:05,328 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 06:04:05,328 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-19 06:04:05,329 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2024-11-19 06:04:05,329 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:04:05,329 INFO L85 PathProgramCache]: Analyzing trace with hash 1197595298, now seen corresponding path program 1 times [2024-11-19 06:04:05,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:04:05,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583499108] [2024-11-19 06:04:05,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:04:05,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:04:05,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:04:05,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:04:05,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:04:05,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583499108] [2024-11-19 06:04:05,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1583499108] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:04:05,362 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:04:05,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 06:04:05,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045366901] [2024-11-19 06:04:05,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:04:05,363 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 06:04:05,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:04:05,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 06:04:05,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 06:04:05,382 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 134 out of 157 [2024-11-19 06:04:05,383 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 164 places, 156 transitions, 377 flow. Second operand has 3 states, 3 states have (on average 135.66666666666666) internal successors, (407), 3 states have internal predecessors, (407), 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) [2024-11-19 06:04:05,383 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 06:04:05,383 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 134 of 157 [2024-11-19 06:04:05,383 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 06:04:06,366 INFO L124 PetriNetUnfolderBase]: 1743/7668 cut-off events. [2024-11-19 06:04:06,366 INFO L125 PetriNetUnfolderBase]: For 1692/3630 co-relation queries the response was YES. [2024-11-19 06:04:06,386 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11998 conditions, 7668 events. 1743/7668 cut-off events. For 1692/3630 co-relation queries the response was YES. Maximal size of possible extension queue 324. Compared 78839 event pairs, 967 based on Foata normal form. 9/6715 useless extension candidates. Maximal degree in co-relation 10027. Up to 2242 conditions per place. [2024-11-19 06:04:06,420 INFO L140 encePairwiseOnDemand]: 150/157 looper letters, 29 selfloop transitions, 9 changer transitions 0/171 dead transitions. [2024-11-19 06:04:06,420 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 166 places, 171 transitions, 511 flow [2024-11-19 06:04:06,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 06:04:06,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 06:04:06,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 436 transitions. [2024-11-19 06:04:06,422 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9256900212314225 [2024-11-19 06:04:06,422 INFO L175 Difference]: Start difference. First operand has 164 places, 156 transitions, 377 flow. Second operand 3 states and 436 transitions. [2024-11-19 06:04:06,422 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 166 places, 171 transitions, 511 flow [2024-11-19 06:04:06,424 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 161 places, 171 transitions, 501 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-19 06:04:06,426 INFO L231 Difference]: Finished difference. Result has 163 places, 163 transitions, 443 flow [2024-11-19 06:04:06,426 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=157, PETRI_DIFFERENCE_MINUEND_FLOW=367, PETRI_DIFFERENCE_MINUEND_PLACES=159, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=156, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=147, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=443, PETRI_PLACES=163, PETRI_TRANSITIONS=163} [2024-11-19 06:04:06,427 INFO L277 CegarLoopForPetriNet]: 158 programPoint places, 5 predicate places. [2024-11-19 06:04:06,427 INFO L471 AbstractCegarLoop]: Abstraction has has 163 places, 163 transitions, 443 flow [2024-11-19 06:04:06,427 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 135.66666666666666) internal successors, (407), 3 states have internal predecessors, (407), 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) [2024-11-19 06:04:06,428 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 06:04:06,428 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 06:04:06,428 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-19 06:04:06,428 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2024-11-19 06:04:06,428 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:04:06,429 INFO L85 PathProgramCache]: Analyzing trace with hash 1851728978, now seen corresponding path program 1 times [2024-11-19 06:04:06,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:04:06,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987307305] [2024-11-19 06:04:06,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:04:06,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:04:06,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:04:06,754 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 06:04:06,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:04:06,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987307305] [2024-11-19 06:04:06,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [987307305] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:04:06,755 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:04:06,755 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 06:04:06,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582360369] [2024-11-19 06:04:06,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:04:06,756 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 06:04:06,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:04:06,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 06:04:06,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 06:04:07,018 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 116 out of 157 [2024-11-19 06:04:07,019 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 163 places, 163 transitions, 443 flow. Second operand has 6 states, 6 states have (on average 118.83333333333333) internal successors, (713), 6 states have internal predecessors, (713), 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) [2024-11-19 06:04:07,019 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 06:04:07,019 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 116 of 157 [2024-11-19 06:04:07,019 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 06:04:08,598 INFO L124 PetriNetUnfolderBase]: 3779/14522 cut-off events. [2024-11-19 06:04:08,598 INFO L125 PetriNetUnfolderBase]: For 2116/2667 co-relation queries the response was YES. [2024-11-19 06:04:08,644 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23789 conditions, 14522 events. 3779/14522 cut-off events. For 2116/2667 co-relation queries the response was YES. Maximal size of possible extension queue 533. Compared 163644 event pairs, 1889 based on Foata normal form. 17/12972 useless extension candidates. Maximal degree in co-relation 18569. Up to 2793 conditions per place. [2024-11-19 06:04:08,702 INFO L140 encePairwiseOnDemand]: 150/157 looper letters, 55 selfloop transitions, 5 changer transitions 0/185 dead transitions. [2024-11-19 06:04:08,703 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 166 places, 185 transitions, 607 flow [2024-11-19 06:04:08,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 06:04:08,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 06:04:08,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 758 transitions. [2024-11-19 06:04:08,707 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8046709129511678 [2024-11-19 06:04:08,707 INFO L175 Difference]: Start difference. First operand has 163 places, 163 transitions, 443 flow. Second operand 6 states and 758 transitions. [2024-11-19 06:04:08,707 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 166 places, 185 transitions, 607 flow [2024-11-19 06:04:08,727 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 164 places, 185 transitions, 589 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 06:04:08,730 INFO L231 Difference]: Finished difference. Result has 164 places, 161 transitions, 431 flow [2024-11-19 06:04:08,730 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=157, PETRI_DIFFERENCE_MINUEND_FLOW=421, PETRI_DIFFERENCE_MINUEND_PLACES=159, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=161, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=156, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=431, PETRI_PLACES=164, PETRI_TRANSITIONS=161} [2024-11-19 06:04:08,731 INFO L277 CegarLoopForPetriNet]: 158 programPoint places, 6 predicate places. [2024-11-19 06:04:08,731 INFO L471 AbstractCegarLoop]: Abstraction has has 164 places, 161 transitions, 431 flow [2024-11-19 06:04:08,733 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 118.83333333333333) internal successors, (713), 6 states have internal predecessors, (713), 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) [2024-11-19 06:04:08,733 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 06:04:08,733 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 06:04:08,733 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-19 06:04:08,734 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2024-11-19 06:04:08,735 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:04:08,735 INFO L85 PathProgramCache]: Analyzing trace with hash 1225381778, now seen corresponding path program 1 times [2024-11-19 06:04:08,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:04:08,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749415485] [2024-11-19 06:04:08,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:04:08,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:04:08,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:04:08,845 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:04:08,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:04:08,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1749415485] [2024-11-19 06:04:08,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1749415485] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 06:04:08,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [652527891] [2024-11-19 06:04:08,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:04:08,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 06:04:08,847 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 06:04:08,849 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 06:04:08,851 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-19 06:04:08,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:04:08,986 INFO L255 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 06:04:08,988 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 06:04:09,047 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:04:09,048 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 06:04:09,112 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:04:09,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [652527891] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 06:04:09,112 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 06:04:09,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 9 [2024-11-19 06:04:09,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106822077] [2024-11-19 06:04:09,113 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 06:04:09,113 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 06:04:09,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:04:09,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 06:04:09,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-19 06:04:09,384 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 157 [2024-11-19 06:04:09,386 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 164 places, 161 transitions, 431 flow. Second operand has 9 states, 9 states have (on average 131.22222222222223) internal successors, (1181), 9 states have internal predecessors, (1181), 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) [2024-11-19 06:04:09,386 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 06:04:09,386 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 157 [2024-11-19 06:04:09,386 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 06:04:10,389 INFO L124 PetriNetUnfolderBase]: 1469/8109 cut-off events. [2024-11-19 06:04:10,389 INFO L125 PetriNetUnfolderBase]: For 958/1181 co-relation queries the response was YES. [2024-11-19 06:04:10,428 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12401 conditions, 8109 events. 1469/8109 cut-off events. For 958/1181 co-relation queries the response was YES. Maximal size of possible extension queue 206. Compared 83254 event pairs, 489 based on Foata normal form. 1/7355 useless extension candidates. Maximal degree in co-relation 6723. Up to 1075 conditions per place. [2024-11-19 06:04:10,456 INFO L140 encePairwiseOnDemand]: 147/157 looper letters, 48 selfloop transitions, 10 changer transitions 0/193 dead transitions. [2024-11-19 06:04:10,456 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 171 places, 193 transitions, 622 flow [2024-11-19 06:04:10,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-19 06:04:10,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-19 06:04:10,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1091 transitions. [2024-11-19 06:04:10,459 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8686305732484076 [2024-11-19 06:04:10,459 INFO L175 Difference]: Start difference. First operand has 164 places, 161 transitions, 431 flow. Second operand 8 states and 1091 transitions. [2024-11-19 06:04:10,459 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 171 places, 193 transitions, 622 flow [2024-11-19 06:04:10,465 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 166 places, 193 transitions, 610 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-19 06:04:10,467 INFO L231 Difference]: Finished difference. Result has 169 places, 164 transitions, 465 flow [2024-11-19 06:04:10,467 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=157, PETRI_DIFFERENCE_MINUEND_FLOW=421, PETRI_DIFFERENCE_MINUEND_PLACES=159, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=161, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=152, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=465, PETRI_PLACES=169, PETRI_TRANSITIONS=164} [2024-11-19 06:04:10,468 INFO L277 CegarLoopForPetriNet]: 158 programPoint places, 11 predicate places. [2024-11-19 06:04:10,468 INFO L471 AbstractCegarLoop]: Abstraction has has 169 places, 164 transitions, 465 flow [2024-11-19 06:04:10,468 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 131.22222222222223) internal successors, (1181), 9 states have internal predecessors, (1181), 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) [2024-11-19 06:04:10,469 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 06:04:10,469 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 06:04:10,487 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-19 06:04:10,669 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 06:04:10,670 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2024-11-19 06:04:10,670 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:04:10,670 INFO L85 PathProgramCache]: Analyzing trace with hash 1193116621, now seen corresponding path program 1 times [2024-11-19 06:04:10,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:04:10,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343356663] [2024-11-19 06:04:10,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:04:10,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:04:10,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:04:10,957 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 06:04:10,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:04:10,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343356663] [2024-11-19 06:04:10,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [343356663] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:04:10,958 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:04:10,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 06:04:10,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393886396] [2024-11-19 06:04:10,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:04:10,958 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 06:04:10,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:04:10,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 06:04:10,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 06:04:11,111 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 124 out of 157 [2024-11-19 06:04:11,112 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 169 places, 164 transitions, 465 flow. Second operand has 6 states, 6 states have (on average 126.66666666666667) internal successors, (760), 6 states have internal predecessors, (760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 06:04:11,113 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 06:04:11,113 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 124 of 157 [2024-11-19 06:04:11,113 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 06:04:12,354 INFO L124 PetriNetUnfolderBase]: 2701/10551 cut-off events. [2024-11-19 06:04:12,355 INFO L125 PetriNetUnfolderBase]: For 1004/1407 co-relation queries the response was YES. [2024-11-19 06:04:12,387 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17213 conditions, 10551 events. 2701/10551 cut-off events. For 1004/1407 co-relation queries the response was YES. Maximal size of possible extension queue 394. Compared 112259 event pairs, 1410 based on Foata normal form. 1/9499 useless extension candidates. Maximal degree in co-relation 12696. Up to 2113 conditions per place. [2024-11-19 06:04:12,419 INFO L140 encePairwiseOnDemand]: 151/157 looper letters, 48 selfloop transitions, 5 changer transitions 0/187 dead transitions. [2024-11-19 06:04:12,419 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 173 places, 187 transitions, 617 flow [2024-11-19 06:04:12,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 06:04:12,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 06:04:12,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 798 transitions. [2024-11-19 06:04:12,421 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8471337579617835 [2024-11-19 06:04:12,421 INFO L175 Difference]: Start difference. First operand has 169 places, 164 transitions, 465 flow. Second operand 6 states and 798 transitions. [2024-11-19 06:04:12,421 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 173 places, 187 transitions, 617 flow [2024-11-19 06:04:12,425 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 170 places, 187 transitions, 611 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-19 06:04:12,427 INFO L231 Difference]: Finished difference. Result has 170 places, 163 transitions, 467 flow [2024-11-19 06:04:12,428 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=157, PETRI_DIFFERENCE_MINUEND_FLOW=457, PETRI_DIFFERENCE_MINUEND_PLACES=165, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=163, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=158, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=467, PETRI_PLACES=170, PETRI_TRANSITIONS=163} [2024-11-19 06:04:12,428 INFO L277 CegarLoopForPetriNet]: 158 programPoint places, 12 predicate places. [2024-11-19 06:04:12,428 INFO L471 AbstractCegarLoop]: Abstraction has has 170 places, 163 transitions, 467 flow [2024-11-19 06:04:12,429 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 126.66666666666667) internal successors, (760), 6 states have internal predecessors, (760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 06:04:12,429 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 06:04:12,429 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 06:04:12,429 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-19 06:04:12,430 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2024-11-19 06:04:12,430 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:04:12,430 INFO L85 PathProgramCache]: Analyzing trace with hash -1869097504, now seen corresponding path program 1 times [2024-11-19 06:04:12,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:04:12,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886405072] [2024-11-19 06:04:12,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:04:12,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:04:12,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:04:12,474 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-19 06:04:12,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:04:12,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886405072] [2024-11-19 06:04:12,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [886405072] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:04:12,475 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:04:12,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 06:04:12,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953164255] [2024-11-19 06:04:12,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:04:12,475 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 06:04:12,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:04:12,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 06:04:12,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 06:04:12,492 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 134 out of 157 [2024-11-19 06:04:12,492 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 170 places, 163 transitions, 467 flow. Second operand has 3 states, 3 states have (on average 136.0) internal successors, (408), 3 states have internal predecessors, (408), 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) [2024-11-19 06:04:12,493 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 06:04:12,493 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 134 of 157 [2024-11-19 06:04:12,493 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 06:04:13,321 INFO L124 PetriNetUnfolderBase]: 1086/6184 cut-off events. [2024-11-19 06:04:13,321 INFO L125 PetriNetUnfolderBase]: For 2792/5364 co-relation queries the response was YES. [2024-11-19 06:04:13,340 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10825 conditions, 6184 events. 1086/6184 cut-off events. For 2792/5364 co-relation queries the response was YES. Maximal size of possible extension queue 231. Compared 65894 event pairs, 589 based on Foata normal form. 13/5722 useless extension candidates. Maximal degree in co-relation 9709. Up to 1450 conditions per place. [2024-11-19 06:04:13,353 INFO L140 encePairwiseOnDemand]: 150/157 looper letters, 31 selfloop transitions, 13 changer transitions 0/179 dead transitions. [2024-11-19 06:04:13,353 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 172 places, 179 transitions, 628 flow [2024-11-19 06:04:13,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 06:04:13,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 06:04:13,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 435 transitions. [2024-11-19 06:04:13,355 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9235668789808917 [2024-11-19 06:04:13,355 INFO L175 Difference]: Start difference. First operand has 170 places, 163 transitions, 467 flow. Second operand 3 states and 435 transitions. [2024-11-19 06:04:13,355 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 172 places, 179 transitions, 628 flow [2024-11-19 06:04:13,362 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 167 places, 179 transitions, 618 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-19 06:04:13,363 INFO L231 Difference]: Finished difference. Result has 169 places, 172 transitions, 575 flow [2024-11-19 06:04:13,364 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=157, PETRI_DIFFERENCE_MINUEND_FLOW=457, PETRI_DIFFERENCE_MINUEND_PLACES=165, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=163, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=150, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=575, PETRI_PLACES=169, PETRI_TRANSITIONS=172} [2024-11-19 06:04:13,364 INFO L277 CegarLoopForPetriNet]: 158 programPoint places, 11 predicate places. [2024-11-19 06:04:13,364 INFO L471 AbstractCegarLoop]: Abstraction has has 169 places, 172 transitions, 575 flow [2024-11-19 06:04:13,365 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 136.0) internal successors, (408), 3 states have internal predecessors, (408), 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) [2024-11-19 06:04:13,365 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 06:04:13,365 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 06:04:13,365 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-19 06:04:13,365 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2024-11-19 06:04:13,366 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:04:13,366 INFO L85 PathProgramCache]: Analyzing trace with hash 902457162, now seen corresponding path program 1 times [2024-11-19 06:04:13,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:04:13,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623976722] [2024-11-19 06:04:13,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:04:13,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:04:13,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:04:13,460 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-19 06:04:13,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:04:13,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623976722] [2024-11-19 06:04:13,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [623976722] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:04:13,461 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:04:13,461 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 06:04:13,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805864432] [2024-11-19 06:04:13,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:04:13,461 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 06:04:13,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:04:13,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 06:04:13,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 06:04:13,472 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 141 out of 157 [2024-11-19 06:04:13,472 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 169 places, 172 transitions, 575 flow. Second operand has 3 states, 3 states have (on average 142.66666666666666) internal successors, (428), 3 states have internal predecessors, (428), 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) [2024-11-19 06:04:13,472 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 06:04:13,473 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 141 of 157 [2024-11-19 06:04:13,473 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 06:04:13,707 INFO L124 PetriNetUnfolderBase]: 124/2155 cut-off events. [2024-11-19 06:04:13,708 INFO L125 PetriNetUnfolderBase]: For 750/873 co-relation queries the response was YES. [2024-11-19 06:04:13,715 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3325 conditions, 2155 events. 124/2155 cut-off events. For 750/873 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 17270 event pairs, 20 based on Foata normal form. 26/2104 useless extension candidates. Maximal degree in co-relation 1299. Up to 142 conditions per place. [2024-11-19 06:04:13,718 INFO L140 encePairwiseOnDemand]: 151/157 looper letters, 12 selfloop transitions, 6 changer transitions 0/167 dead transitions. [2024-11-19 06:04:13,718 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 171 places, 167 transitions, 548 flow [2024-11-19 06:04:13,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 06:04:13,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 06:04:13,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 444 transitions. [2024-11-19 06:04:13,719 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9426751592356688 [2024-11-19 06:04:13,720 INFO L175 Difference]: Start difference. First operand has 169 places, 172 transitions, 575 flow. Second operand 3 states and 444 transitions. [2024-11-19 06:04:13,720 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 171 places, 167 transitions, 548 flow [2024-11-19 06:04:13,724 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 169 places, 167 transitions, 534 flow, removed 2 selfloop flow, removed 2 redundant places. [2024-11-19 06:04:13,726 INFO L231 Difference]: Finished difference. Result has 169 places, 162 transitions, 479 flow [2024-11-19 06:04:13,726 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=157, PETRI_DIFFERENCE_MINUEND_FLOW=467, PETRI_DIFFERENCE_MINUEND_PLACES=167, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=162, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=156, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=479, PETRI_PLACES=169, PETRI_TRANSITIONS=162} [2024-11-19 06:04:13,727 INFO L277 CegarLoopForPetriNet]: 158 programPoint places, 11 predicate places. [2024-11-19 06:04:13,727 INFO L471 AbstractCegarLoop]: Abstraction has has 169 places, 162 transitions, 479 flow [2024-11-19 06:04:13,727 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 142.66666666666666) internal successors, (428), 3 states have internal predecessors, (428), 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) [2024-11-19 06:04:13,728 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 06:04:13,728 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 06:04:13,728 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-19 06:04:13,728 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2024-11-19 06:04:13,729 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:04:13,729 INFO L85 PathProgramCache]: Analyzing trace with hash 971540065, now seen corresponding path program 1 times [2024-11-19 06:04:13,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:04:13,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723658815] [2024-11-19 06:04:13,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:04:13,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:04:13,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:04:13,791 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2024-11-19 06:04:13,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:04:13,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723658815] [2024-11-19 06:04:13,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1723658815] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:04:13,791 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:04:13,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 06:04:13,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839239104] [2024-11-19 06:04:13,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:04:13,792 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 06:04:13,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:04:13,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 06:04:13,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 06:04:13,807 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 134 out of 157 [2024-11-19 06:04:13,808 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 169 places, 162 transitions, 479 flow. Second operand has 3 states, 3 states have (on average 136.33333333333334) internal successors, (409), 3 states have internal predecessors, (409), 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) [2024-11-19 06:04:13,808 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 06:04:13,808 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 134 of 157 [2024-11-19 06:04:13,808 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 06:04:14,163 INFO L124 PetriNetUnfolderBase]: 203/2144 cut-off events. [2024-11-19 06:04:14,163 INFO L125 PetriNetUnfolderBase]: For 1440/1937 co-relation queries the response was YES. [2024-11-19 06:04:14,170 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3837 conditions, 2144 events. 203/2144 cut-off events. For 1440/1937 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 17858 event pairs, 134 based on Foata normal form. 3/1994 useless extension candidates. Maximal degree in co-relation 3135. Up to 435 conditions per place. [2024-11-19 06:04:14,173 INFO L140 encePairwiseOnDemand]: 152/157 looper letters, 25 selfloop transitions, 5 changer transitions 0/167 dead transitions. [2024-11-19 06:04:14,173 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 171 places, 167 transitions, 561 flow [2024-11-19 06:04:14,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 06:04:14,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 06:04:14,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 428 transitions. [2024-11-19 06:04:14,175 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9087048832271762 [2024-11-19 06:04:14,175 INFO L175 Difference]: Start difference. First operand has 169 places, 162 transitions, 479 flow. Second operand 3 states and 428 transitions. [2024-11-19 06:04:14,175 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 171 places, 167 transitions, 561 flow [2024-11-19 06:04:14,178 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 170 places, 167 transitions, 555 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-19 06:04:14,180 INFO L231 Difference]: Finished difference. Result has 172 places, 165 transitions, 513 flow [2024-11-19 06:04:14,180 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=157, PETRI_DIFFERENCE_MINUEND_FLOW=473, PETRI_DIFFERENCE_MINUEND_PLACES=168, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=162, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=157, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=513, PETRI_PLACES=172, PETRI_TRANSITIONS=165} [2024-11-19 06:04:14,181 INFO L277 CegarLoopForPetriNet]: 158 programPoint places, 14 predicate places. [2024-11-19 06:04:14,181 INFO L471 AbstractCegarLoop]: Abstraction has has 172 places, 165 transitions, 513 flow [2024-11-19 06:04:14,182 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 136.33333333333334) internal successors, (409), 3 states have internal predecessors, (409), 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) [2024-11-19 06:04:14,182 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 06:04:14,182 INFO L204 CegarLoopForPetriNet]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 06:04:14,182 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-19 06:04:14,183 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2024-11-19 06:04:14,183 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:04:14,183 INFO L85 PathProgramCache]: Analyzing trace with hash -1809063735, now seen corresponding path program 1 times [2024-11-19 06:04:14,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:04:14,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119392377] [2024-11-19 06:04:14,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:04:14,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:04:14,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 06:04:14,256 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 06:04:14,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 06:04:14,306 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 06:04:14,306 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-19 06:04:14,307 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 11 remaining) [2024-11-19 06:04:14,307 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (9 of 11 remaining) [2024-11-19 06:04:14,307 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (8 of 11 remaining) [2024-11-19 06:04:14,307 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (7 of 11 remaining) [2024-11-19 06:04:14,308 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (6 of 11 remaining) [2024-11-19 06:04:14,308 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 11 remaining) [2024-11-19 06:04:14,308 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (4 of 11 remaining) [2024-11-19 06:04:14,308 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (3 of 11 remaining) [2024-11-19 06:04:14,308 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (2 of 11 remaining) [2024-11-19 06:04:14,308 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (1 of 11 remaining) [2024-11-19 06:04:14,309 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (0 of 11 remaining) [2024-11-19 06:04:14,309 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-19 06:04:14,309 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 06:04:14,310 WARN L244 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-19 06:04:14,310 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2024-11-19 06:04:14,335 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-11-19 06:04:14,338 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 177 places, 175 transitions, 390 flow [2024-11-19 06:04:14,455 INFO L124 PetriNetUnfolderBase]: 43/918 cut-off events. [2024-11-19 06:04:14,455 INFO L125 PetriNetUnfolderBase]: For 48/48 co-relation queries the response was YES. [2024-11-19 06:04:14,459 INFO L83 FinitePrefix]: Finished finitePrefix Result has 969 conditions, 918 events. 43/918 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 3073 event pairs, 6 based on Foata normal form. 0/798 useless extension candidates. Maximal degree in co-relation 547. Up to 32 conditions per place. [2024-11-19 06:04:14,459 INFO L82 GeneralOperation]: Start removeDead. Operand has 177 places, 175 transitions, 390 flow [2024-11-19 06:04:14,463 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 177 places, 175 transitions, 390 flow [2024-11-19 06:04:14,464 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 06:04:14,464 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@4e7e45f7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 06:04:14,465 INFO L334 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2024-11-19 06:04:14,469 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-19 06:04:14,469 INFO L124 PetriNetUnfolderBase]: 3/50 cut-off events. [2024-11-19 06:04:14,469 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-19 06:04:14,470 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 06:04:14,470 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 06:04:14,470 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2024-11-19 06:04:14,470 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:04:14,471 INFO L85 PathProgramCache]: Analyzing trace with hash -433409817, now seen corresponding path program 1 times [2024-11-19 06:04:14,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:04:14,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707410773] [2024-11-19 06:04:14,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:04:14,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:04:14,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:04:14,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:04:14,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:04:14,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707410773] [2024-11-19 06:04:14,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [707410773] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:04:14,500 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:04:14,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 06:04:14,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194774727] [2024-11-19 06:04:14,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:04:14,501 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 06:04:14,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:04:14,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 06:04:14,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 06:04:14,520 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 175 [2024-11-19 06:04:14,521 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 177 places, 175 transitions, 390 flow. Second operand has 3 states, 3 states have (on average 149.66666666666666) internal successors, (449), 3 states have internal predecessors, (449), 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) [2024-11-19 06:04:14,521 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 06:04:14,521 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 175 [2024-11-19 06:04:14,522 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 06:04:17,996 INFO L124 PetriNetUnfolderBase]: 7859/26538 cut-off events. [2024-11-19 06:04:17,996 INFO L125 PetriNetUnfolderBase]: For 2974/5699 co-relation queries the response was YES. [2024-11-19 06:04:18,075 INFO L83 FinitePrefix]: Finished finitePrefix Result has 38888 conditions, 26538 events. 7859/26538 cut-off events. For 2974/5699 co-relation queries the response was YES. Maximal size of possible extension queue 762. Compared 305358 event pairs, 4292 based on Foata normal form. 798/24607 useless extension candidates. Maximal degree in co-relation 30851. Up to 7653 conditions per place. [2024-11-19 06:04:18,158 INFO L140 encePairwiseOnDemand]: 165/175 looper letters, 30 selfloop transitions, 6 changer transitions 1/185 dead transitions. [2024-11-19 06:04:18,158 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 179 places, 185 transitions, 482 flow [2024-11-19 06:04:18,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 06:04:18,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 06:04:18,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 487 transitions. [2024-11-19 06:04:18,159 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9276190476190476 [2024-11-19 06:04:18,159 INFO L175 Difference]: Start difference. First operand has 177 places, 175 transitions, 390 flow. Second operand 3 states and 487 transitions. [2024-11-19 06:04:18,159 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 179 places, 185 transitions, 482 flow [2024-11-19 06:04:18,162 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 179 places, 185 transitions, 482 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-19 06:04:18,164 INFO L231 Difference]: Finished difference. Result has 181 places, 176 transitions, 428 flow [2024-11-19 06:04:18,164 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=175, PETRI_DIFFERENCE_MINUEND_FLOW=384, PETRI_DIFFERENCE_MINUEND_PLACES=177, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=172, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=166, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=428, PETRI_PLACES=181, PETRI_TRANSITIONS=176} [2024-11-19 06:04:18,164 INFO L277 CegarLoopForPetriNet]: 177 programPoint places, 4 predicate places. [2024-11-19 06:04:18,164 INFO L471 AbstractCegarLoop]: Abstraction has has 181 places, 176 transitions, 428 flow [2024-11-19 06:04:18,165 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 149.66666666666666) internal successors, (449), 3 states have internal predecessors, (449), 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) [2024-11-19 06:04:18,165 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 06:04:18,165 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 06:04:18,165 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-19 06:04:18,165 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2024-11-19 06:04:18,166 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:04:18,166 INFO L85 PathProgramCache]: Analyzing trace with hash -846080095, now seen corresponding path program 1 times [2024-11-19 06:04:18,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:04:18,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531113467] [2024-11-19 06:04:18,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:04:18,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:04:18,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:04:18,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:04:18,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:04:18,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531113467] [2024-11-19 06:04:18,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [531113467] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:04:18,213 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:04:18,213 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 06:04:18,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436365430] [2024-11-19 06:04:18,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:04:18,213 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 06:04:18,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:04:18,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 06:04:18,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-19 06:04:18,312 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 145 out of 175 [2024-11-19 06:04:18,313 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 181 places, 176 transitions, 428 flow. Second operand has 5 states, 5 states have (on average 146.4) internal successors, (732), 5 states have internal predecessors, (732), 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) [2024-11-19 06:04:18,313 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 06:04:18,314 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 145 of 175 [2024-11-19 06:04:18,314 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 06:04:22,841 INFO L124 PetriNetUnfolderBase]: 9343/35816 cut-off events. [2024-11-19 06:04:22,842 INFO L125 PetriNetUnfolderBase]: For 2632/2756 co-relation queries the response was YES. [2024-11-19 06:04:22,982 INFO L83 FinitePrefix]: Finished finitePrefix Result has 52733 conditions, 35816 events. 9343/35816 cut-off events. For 2632/2756 co-relation queries the response was YES. Maximal size of possible extension queue 864. Compared 443703 event pairs, 7523 based on Foata normal form. 1/31567 useless extension candidates. Maximal degree in co-relation 32440. Up to 10778 conditions per place. [2024-11-19 06:04:23,098 INFO L140 encePairwiseOnDemand]: 167/175 looper letters, 28 selfloop transitions, 2 changer transitions 5/184 dead transitions. [2024-11-19 06:04:23,098 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 185 places, 184 transitions, 514 flow [2024-11-19 06:04:23,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 06:04:23,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 06:04:23,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 906 transitions. [2024-11-19 06:04:23,100 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8628571428571429 [2024-11-19 06:04:23,100 INFO L175 Difference]: Start difference. First operand has 181 places, 176 transitions, 428 flow. Second operand 6 states and 906 transitions. [2024-11-19 06:04:23,100 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 185 places, 184 transitions, 514 flow [2024-11-19 06:04:23,148 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 183 places, 184 transitions, 502 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 06:04:23,150 INFO L231 Difference]: Finished difference. Result has 187 places, 177 transitions, 438 flow [2024-11-19 06:04:23,150 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=175, PETRI_DIFFERENCE_MINUEND_FLOW=416, PETRI_DIFFERENCE_MINUEND_PLACES=178, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=176, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=174, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=438, PETRI_PLACES=187, PETRI_TRANSITIONS=177} [2024-11-19 06:04:23,151 INFO L277 CegarLoopForPetriNet]: 177 programPoint places, 10 predicate places. [2024-11-19 06:04:23,151 INFO L471 AbstractCegarLoop]: Abstraction has has 187 places, 177 transitions, 438 flow [2024-11-19 06:04:23,151 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 146.4) internal successors, (732), 5 states have internal predecessors, (732), 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) [2024-11-19 06:04:23,151 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 06:04:23,151 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 06:04:23,151 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-19 06:04:23,151 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2024-11-19 06:04:23,152 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:04:23,152 INFO L85 PathProgramCache]: Analyzing trace with hash -746957397, now seen corresponding path program 1 times [2024-11-19 06:04:23,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:04:23,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818961921] [2024-11-19 06:04:23,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:04:23,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:04:23,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:04:23,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:04:23,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:04:23,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818961921] [2024-11-19 06:04:23,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [818961921] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:04:23,326 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:04:23,327 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 06:04:23,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357636117] [2024-11-19 06:04:23,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:04:23,327 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 06:04:23,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:04:23,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 06:04:23,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 06:04:23,455 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 126 out of 175 [2024-11-19 06:04:23,456 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 187 places, 177 transitions, 438 flow. Second operand has 6 states, 6 states have (on average 127.5) internal successors, (765), 6 states have internal predecessors, (765), 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) [2024-11-19 06:04:23,456 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 06:04:23,457 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 126 of 175 [2024-11-19 06:04:23,457 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 06:04:33,023 INFO L124 PetriNetUnfolderBase]: 20475/70474 cut-off events. [2024-11-19 06:04:33,023 INFO L125 PetriNetUnfolderBase]: For 2766/2782 co-relation queries the response was YES. [2024-11-19 06:04:33,527 INFO L83 FinitePrefix]: Finished finitePrefix Result has 105344 conditions, 70474 events. 20475/70474 cut-off events. For 2766/2782 co-relation queries the response was YES. Maximal size of possible extension queue 1690. Compared 938407 event pairs, 16494 based on Foata normal form. 0/60691 useless extension candidates. Maximal degree in co-relation 105230. Up to 21481 conditions per place. [2024-11-19 06:04:33,786 INFO L140 encePairwiseOnDemand]: 169/175 looper letters, 73 selfloop transitions, 5 changer transitions 0/208 dead transitions. [2024-11-19 06:04:33,786 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 188 places, 208 transitions, 656 flow [2024-11-19 06:04:33,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 06:04:33,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 06:04:33,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 834 transitions. [2024-11-19 06:04:33,788 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7942857142857143 [2024-11-19 06:04:33,788 INFO L175 Difference]: Start difference. First operand has 187 places, 177 transitions, 438 flow. Second operand 6 states and 834 transitions. [2024-11-19 06:04:33,788 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 188 places, 208 transitions, 656 flow [2024-11-19 06:04:33,856 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 184 places, 208 transitions, 644 flow, removed 5 selfloop flow, removed 4 redundant places. [2024-11-19 06:04:33,859 INFO L231 Difference]: Finished difference. Result has 184 places, 176 transitions, 434 flow [2024-11-19 06:04:33,859 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=175, PETRI_DIFFERENCE_MINUEND_FLOW=424, PETRI_DIFFERENCE_MINUEND_PLACES=179, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=176, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=171, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=434, PETRI_PLACES=184, PETRI_TRANSITIONS=176} [2024-11-19 06:04:33,860 INFO L277 CegarLoopForPetriNet]: 177 programPoint places, 7 predicate places. [2024-11-19 06:04:33,860 INFO L471 AbstractCegarLoop]: Abstraction has has 184 places, 176 transitions, 434 flow [2024-11-19 06:04:33,861 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 127.5) internal successors, (765), 6 states have internal predecessors, (765), 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) [2024-11-19 06:04:33,861 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 06:04:33,861 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 06:04:33,861 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-19 06:04:33,861 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2024-11-19 06:04:33,862 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:04:33,862 INFO L85 PathProgramCache]: Analyzing trace with hash -230722467, now seen corresponding path program 1 times [2024-11-19 06:04:33,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:04:33,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [449810598] [2024-11-19 06:04:33,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:04:33,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:04:33,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:04:34,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:04:34,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:04:34,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [449810598] [2024-11-19 06:04:34,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [449810598] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:04:34,342 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:04:34,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 06:04:34,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81239016] [2024-11-19 06:04:34,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:04:34,343 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 06:04:34,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:04:34,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 06:04:34,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 06:04:34,447 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 175 [2024-11-19 06:04:34,448 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 184 places, 176 transitions, 434 flow. Second operand has 6 states, 6 states have (on average 130.0) internal successors, (780), 6 states have internal predecessors, (780), 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) [2024-11-19 06:04:34,449 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 06:04:34,449 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 175 [2024-11-19 06:04:34,449 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 06:04:42,020 INFO L124 PetriNetUnfolderBase]: 21685/51607 cut-off events. [2024-11-19 06:04:42,020 INFO L125 PetriNetUnfolderBase]: For 2346/2346 co-relation queries the response was YES. [2024-11-19 06:04:42,301 INFO L83 FinitePrefix]: Finished finitePrefix Result has 86514 conditions, 51607 events. 21685/51607 cut-off events. For 2346/2346 co-relation queries the response was YES. Maximal size of possible extension queue 1961. Compared 587153 event pairs, 3534 based on Foata normal form. 0/45288 useless extension candidates. Maximal degree in co-relation 15703. Up to 25048 conditions per place. [2024-11-19 06:04:42,500 INFO L140 encePairwiseOnDemand]: 169/175 looper letters, 70 selfloop transitions, 5 changer transitions 0/207 dead transitions. [2024-11-19 06:04:42,500 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 188 places, 207 transitions, 646 flow [2024-11-19 06:04:42,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 06:04:42,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 06:04:42,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 844 transitions. [2024-11-19 06:04:42,501 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8038095238095239 [2024-11-19 06:04:42,502 INFO L175 Difference]: Start difference. First operand has 184 places, 176 transitions, 434 flow. Second operand 6 states and 844 transitions. [2024-11-19 06:04:42,502 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 188 places, 207 transitions, 646 flow [2024-11-19 06:04:42,507 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 183 places, 207 transitions, 636 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-19 06:04:42,509 INFO L231 Difference]: Finished difference. Result has 183 places, 175 transitions, 432 flow [2024-11-19 06:04:42,510 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=175, PETRI_DIFFERENCE_MINUEND_FLOW=422, PETRI_DIFFERENCE_MINUEND_PLACES=178, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=175, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=170, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=432, PETRI_PLACES=183, PETRI_TRANSITIONS=175} [2024-11-19 06:04:42,510 INFO L277 CegarLoopForPetriNet]: 177 programPoint places, 6 predicate places. [2024-11-19 06:04:42,510 INFO L471 AbstractCegarLoop]: Abstraction has has 183 places, 175 transitions, 432 flow [2024-11-19 06:04:42,511 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 130.0) internal successors, (780), 6 states have internal predecessors, (780), 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) [2024-11-19 06:04:42,511 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 06:04:42,511 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 06:04:42,511 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-19 06:04:42,511 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2024-11-19 06:04:42,511 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:04:42,511 INFO L85 PathProgramCache]: Analyzing trace with hash 1069633713, now seen corresponding path program 1 times [2024-11-19 06:04:42,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:04:42,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497069564] [2024-11-19 06:04:42,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:04:42,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:04:42,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:04:42,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:04:42,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:04:42,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497069564] [2024-11-19 06:04:42,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [497069564] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:04:42,545 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:04:42,545 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 06:04:42,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811547867] [2024-11-19 06:04:42,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:04:42,546 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 06:04:42,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:04:42,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 06:04:42,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 06:04:42,567 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 147 out of 175 [2024-11-19 06:04:42,568 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 183 places, 175 transitions, 432 flow. Second operand has 3 states, 3 states have (on average 148.66666666666666) internal successors, (446), 3 states have internal predecessors, (446), 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) [2024-11-19 06:04:42,568 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 06:04:42,568 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 147 of 175 [2024-11-19 06:04:42,568 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand