/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg true --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true --cacsl2boogietranslator.check.unreachability.of.reach_error.function false -i ../../../trunk/examples/svcomp/pthread/singleton.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.empire-owicki-175f719-m [2023-11-30 00:06:42,113 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-30 00:06:42,198 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf [2023-11-30 00:06:42,227 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-30 00:06:42,228 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-30 00:06:42,228 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-30 00:06:42,228 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-30 00:06:42,229 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-30 00:06:42,229 INFO L153 SettingsManager]: * Use SBE=true [2023-11-30 00:06:42,232 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-30 00:06:42,233 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-30 00:06:42,233 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-30 00:06:42,233 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-30 00:06:42,234 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-30 00:06:42,234 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-30 00:06:42,235 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-30 00:06:42,235 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-30 00:06:42,235 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-30 00:06:42,235 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-30 00:06:42,235 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-30 00:06:42,235 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-30 00:06:42,236 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-30 00:06:42,236 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-30 00:06:42,237 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-30 00:06:42,237 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-30 00:06:42,237 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 00:06:42,237 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-30 00:06:42,237 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-30 00:06:42,238 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-30 00:06:42,238 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-30 00:06:42,239 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-30 00:06:42,239 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-30 00:06:42,239 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-30 00:06:42,239 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2023-11-30 00:06:42,458 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-30 00:06:42,480 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-30 00:06:42,482 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-30 00:06:42,483 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-30 00:06:42,483 INFO L274 PluginConnector]: CDTParser initialized [2023-11-30 00:06:42,484 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/singleton.i [2023-11-30 00:06:43,592 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-30 00:06:43,797 INFO L384 CDTParser]: Found 1 translation units. [2023-11-30 00:06:43,798 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/singleton.i [2023-11-30 00:06:43,819 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5e4e38bd/e604c4daa6924cd39381de74794171c3/FLAGc19a13f5e [2023-11-30 00:06:43,829 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5e4e38bd/e604c4daa6924cd39381de74794171c3 [2023-11-30 00:06:43,831 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-30 00:06:43,832 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-30 00:06:43,833 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-30 00:06:43,833 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-30 00:06:43,837 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-30 00:06:43,838 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:06:43" (1/1) ... [2023-11-30 00:06:43,838 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1668ded0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:06:43, skipping insertion in model container [2023-11-30 00:06:43,839 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:06:43" (1/1) ... [2023-11-30 00:06:43,879 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-30 00:06:44,303 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 00:06:44,322 INFO L202 MainTranslator]: Completed pre-run [2023-11-30 00:06:44,376 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 00:06:44,418 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-30 00:06:44,418 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-30 00:06:44,424 INFO L206 MainTranslator]: Completed translation [2023-11-30 00:06:44,425 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:06:44 WrapperNode [2023-11-30 00:06:44,425 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-30 00:06:44,426 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-30 00:06:44,426 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-30 00:06:44,426 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-30 00:06:44,431 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:06:44" (1/1) ... [2023-11-30 00:06:44,447 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:06:44" (1/1) ... [2023-11-30 00:06:44,466 INFO L138 Inliner]: procedures = 324, calls = 52, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 46 [2023-11-30 00:06:44,467 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-30 00:06:44,467 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-30 00:06:44,468 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-30 00:06:44,468 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-30 00:06:44,475 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:06:44" (1/1) ... [2023-11-30 00:06:44,476 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:06:44" (1/1) ... [2023-11-30 00:06:44,480 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:06:44" (1/1) ... [2023-11-30 00:06:44,480 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:06:44" (1/1) ... [2023-11-30 00:06:44,495 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:06:44" (1/1) ... [2023-11-30 00:06:44,497 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:06:44" (1/1) ... [2023-11-30 00:06:44,499 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:06:44" (1/1) ... [2023-11-30 00:06:44,500 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:06:44" (1/1) ... [2023-11-30 00:06:44,503 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-30 00:06:44,504 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-30 00:06:44,504 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-30 00:06:44,504 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-30 00:06:44,505 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:06:44" (1/1) ... [2023-11-30 00:06:44,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 00:06:44,521 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-30 00:06:44,532 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-30 00:06:44,534 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-30 00:06:44,551 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-30 00:06:44,552 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-30 00:06:44,552 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-30 00:06:44,552 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-30 00:06:44,552 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-30 00:06:44,552 INFO L130 BoogieDeclarations]: Found specification of procedure thread0 [2023-11-30 00:06:44,552 INFO L138 BoogieDeclarations]: Found implementation of procedure thread0 [2023-11-30 00:06:44,552 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-30 00:06:44,552 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-30 00:06:44,552 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-30 00:06:44,553 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-30 00:06:44,553 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-30 00:06:44,553 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-30 00:06:44,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-30 00:06:44,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-30 00:06:44,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-30 00:06:44,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-30 00:06:44,553 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-30 00:06:44,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-30 00:06:44,555 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-30 00:06:44,665 INFO L241 CfgBuilder]: Building ICFG [2023-11-30 00:06:44,666 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-30 00:06:44,976 INFO L282 CfgBuilder]: Performing block encoding [2023-11-30 00:06:45,003 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-30 00:06:45,003 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-30 00:06:45,005 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:06:45 BoogieIcfgContainer [2023-11-30 00:06:45,005 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-30 00:06:45,008 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-30 00:06:45,008 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-30 00:06:45,011 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-30 00:06:45,011 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 12:06:43" (1/3) ... [2023-11-30 00:06:45,011 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cd03375 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:06:45, skipping insertion in model container [2023-11-30 00:06:45,012 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:06:44" (2/3) ... [2023-11-30 00:06:45,012 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cd03375 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:06:45, skipping insertion in model container [2023-11-30 00:06:45,012 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:06:45" (3/3) ... [2023-11-30 00:06:45,013 INFO L112 eAbstractionObserver]: Analyzing ICFG singleton.i [2023-11-30 00:06:45,028 INFO L197 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-30 00:06:45,028 INFO L156 ceAbstractionStarter]: Applying trace abstraction to program that has 13 error locations. [2023-11-30 00:06:45,028 INFO L508 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-30 00:06:45,141 INFO L144 ThreadInstanceAdder]: Constructed 21 joinOtherThreadTransitions. [2023-11-30 00:06:45,187 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 282 places, 273 transitions, 643 flow [2023-11-30 00:06:45,268 INFO L124 PetriNetUnfolderBase]: 7/186 cut-off events. [2023-11-30 00:06:45,268 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2023-11-30 00:06:45,274 INFO L83 FinitePrefix]: Finished finitePrefix Result has 216 conditions, 186 events. 7/186 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 133 event pairs, 0 based on Foata normal form. 0/162 useless extension candidates. Maximal degree in co-relation 162. Up to 3 conditions per place. [2023-11-30 00:06:45,274 INFO L82 GeneralOperation]: Start removeDead. Operand has 282 places, 273 transitions, 643 flow [2023-11-30 00:06:45,288 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 178 places, 164 transitions, 379 flow [2023-11-30 00:06:45,296 INFO L361 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-30 00:06:45,301 INFO L362 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, 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;@2be2d24b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-30 00:06:45,301 INFO L363 AbstractCegarLoop]: Starting to check reachability of 38 error locations. [2023-11-30 00:06:45,307 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-30 00:06:45,307 INFO L124 PetriNetUnfolderBase]: 0/29 cut-off events. [2023-11-30 00:06:45,308 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-30 00:06:45,308 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 00:06:45,308 INFO L232 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] [2023-11-30 00:06:45,309 INFO L425 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-11-30 00:06:45,313 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 00:06:45,313 INFO L85 PathProgramCache]: Analyzing trace with hash -1514420532, now seen corresponding path program 1 times [2023-11-30 00:06:45,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 00:06:45,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450748664] [2023-11-30 00:06:45,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 00:06:45,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 00:06:45,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 00:06:45,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 00:06:45,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 00:06:45,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450748664] [2023-11-30 00:06:45,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1450748664] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 00:06:45,993 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 00:06:45,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 00:06:45,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243393284] [2023-11-30 00:06:45,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 00:06:46,001 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-30 00:06:46,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 00:06:46,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-30 00:06:46,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-30 00:06:46,036 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 159 out of 275 [2023-11-30 00:06:46,043 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 178 places, 164 transitions, 379 flow. Second operand has 6 states, 6 states have (on average 160.66666666666666) internal successors, (964), 6 states have internal predecessors, (964), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:06:46,044 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 00:06:46,044 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 159 of 275 [2023-11-30 00:06:46,045 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 00:06:48,336 INFO L124 PetriNetUnfolderBase]: 6956/11014 cut-off events. [2023-11-30 00:06:48,337 INFO L125 PetriNetUnfolderBase]: For 592/636 co-relation queries the response was YES. [2023-11-30 00:06:48,373 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21679 conditions, 11014 events. 6956/11014 cut-off events. For 592/636 co-relation queries the response was YES. Maximal size of possible extension queue 321. Compared 66804 event pairs, 2259 based on Foata normal form. 5/10084 useless extension candidates. Maximal degree in co-relation 21627. Up to 7336 conditions per place. [2023-11-30 00:06:48,445 INFO L140 encePairwiseOnDemand]: 257/275 looper letters, 245 selfloop transitions, 21 changer transitions 0/359 dead transitions. [2023-11-30 00:06:48,446 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 175 places, 359 transitions, 1484 flow [2023-11-30 00:06:48,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-30 00:06:48,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-30 00:06:48,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1261 transitions. [2023-11-30 00:06:48,461 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7642424242424243 [2023-11-30 00:06:48,462 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1261 transitions. [2023-11-30 00:06:48,462 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1261 transitions. [2023-11-30 00:06:48,464 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 00:06:48,466 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1261 transitions. [2023-11-30 00:06:48,472 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 210.16666666666666) internal successors, (1261), 6 states have internal predecessors, (1261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:06:48,479 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 275.0) internal successors, (1925), 7 states have internal predecessors, (1925), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:06:48,480 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 275.0) internal successors, (1925), 7 states have internal predecessors, (1925), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:06:48,483 INFO L307 CegarLoopForPetriNet]: 178 programPoint places, -3 predicate places. [2023-11-30 00:06:48,483 INFO L500 AbstractCegarLoop]: Abstraction has has 175 places, 359 transitions, 1484 flow [2023-11-30 00:06:48,484 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 160.66666666666666) internal successors, (964), 6 states have internal predecessors, (964), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:06:48,484 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 00:06:48,484 INFO L232 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] [2023-11-30 00:06:48,484 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-30 00:06:48,484 INFO L425 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-11-30 00:06:48,485 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 00:06:48,485 INFO L85 PathProgramCache]: Analyzing trace with hash -1195813822, now seen corresponding path program 1 times [2023-11-30 00:06:48,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 00:06:48,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591426416] [2023-11-30 00:06:48,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 00:06:48,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 00:06:48,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 00:06:48,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 00:06:48,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 00:06:48,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591426416] [2023-11-30 00:06:48,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1591426416] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 00:06:48,525 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 00:06:48,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 00:06:48,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808344066] [2023-11-30 00:06:48,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 00:06:48,527 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 00:06:48,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 00:06:48,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 00:06:48,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 00:06:48,529 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 221 out of 275 [2023-11-30 00:06:48,530 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 175 places, 359 transitions, 1484 flow. Second operand has 3 states, 3 states have (on average 222.66666666666666) internal successors, (668), 3 states have internal predecessors, (668), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:06:48,530 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 00:06:48,530 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 221 of 275 [2023-11-30 00:06:48,530 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 00:06:49,973 INFO L124 PetriNetUnfolderBase]: 6956/11028 cut-off events. [2023-11-30 00:06:49,973 INFO L125 PetriNetUnfolderBase]: For 5467/6318 co-relation queries the response was YES. [2023-11-30 00:06:49,991 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26769 conditions, 11028 events. 6956/11028 cut-off events. For 5467/6318 co-relation queries the response was YES. Maximal size of possible extension queue 321. Compared 67231 event pairs, 2465 based on Foata normal form. 6/10105 useless extension candidates. Maximal degree in co-relation 26707. Up to 7336 conditions per place. [2023-11-30 00:06:50,057 INFO L140 encePairwiseOnDemand]: 272/275 looper letters, 103 selfloop transitions, 2 changer transitions 0/358 dead transitions. [2023-11-30 00:06:50,057 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 176 places, 358 transitions, 1692 flow [2023-11-30 00:06:50,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 00:06:50,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 00:06:50,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 692 transitions. [2023-11-30 00:06:50,060 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8387878787878787 [2023-11-30 00:06:50,060 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 692 transitions. [2023-11-30 00:06:50,060 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 692 transitions. [2023-11-30 00:06:50,060 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 00:06:50,061 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 692 transitions. [2023-11-30 00:06:50,062 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 230.66666666666666) internal successors, (692), 3 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:06:50,064 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 275.0) internal successors, (1100), 4 states have internal predecessors, (1100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:06:50,064 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 275.0) internal successors, (1100), 4 states have internal predecessors, (1100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:06:50,065 INFO L307 CegarLoopForPetriNet]: 178 programPoint places, -2 predicate places. [2023-11-30 00:06:50,065 INFO L500 AbstractCegarLoop]: Abstraction has has 176 places, 358 transitions, 1692 flow [2023-11-30 00:06:50,066 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 222.66666666666666) internal successors, (668), 3 states have internal predecessors, (668), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:06:50,066 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 00:06:50,066 INFO L232 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] [2023-11-30 00:06:50,066 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-30 00:06:50,066 INFO L425 AbstractCegarLoop]: === Iteration 3 === Targeting thread0Err0ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-11-30 00:06:50,067 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 00:06:50,067 INFO L85 PathProgramCache]: Analyzing trace with hash 146009635, now seen corresponding path program 1 times [2023-11-30 00:06:50,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 00:06:50,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528261324] [2023-11-30 00:06:50,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 00:06:50,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 00:06:50,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 00:06:50,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 00:06:50,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 00:06:50,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528261324] [2023-11-30 00:06:50,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1528261324] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 00:06:50,378 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 00:06:50,378 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 00:06:50,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936252835] [2023-11-30 00:06:50,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 00:06:50,382 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-30 00:06:50,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 00:06:50,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-30 00:06:50,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-30 00:06:50,391 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 161 out of 275 [2023-11-30 00:06:50,392 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 176 places, 358 transitions, 1692 flow. Second operand has 6 states, 6 states have (on average 162.66666666666666) internal successors, (976), 6 states have internal predecessors, (976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:06:50,392 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 00:06:50,392 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 161 of 275 [2023-11-30 00:06:50,393 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 00:06:52,085 INFO L124 PetriNetUnfolderBase]: 6985/12153 cut-off events. [2023-11-30 00:06:52,085 INFO L125 PetriNetUnfolderBase]: For 5578/8291 co-relation queries the response was YES. [2023-11-30 00:06:52,107 INFO L83 FinitePrefix]: Finished finitePrefix Result has 37636 conditions, 12153 events. 6985/12153 cut-off events. For 5578/8291 co-relation queries the response was YES. Maximal size of possible extension queue 385. Compared 83082 event pairs, 1607 based on Foata normal form. 74/11352 useless extension candidates. Maximal degree in co-relation 37566. Up to 9525 conditions per place. [2023-11-30 00:06:52,179 INFO L140 encePairwiseOnDemand]: 266/275 looper letters, 307 selfloop transitions, 40 changer transitions 0/438 dead transitions. [2023-11-30 00:06:52,179 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 180 places, 438 transitions, 2821 flow [2023-11-30 00:06:52,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-30 00:06:52,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-30 00:06:52,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1063 transitions. [2023-11-30 00:06:52,182 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6442424242424243 [2023-11-30 00:06:52,182 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1063 transitions. [2023-11-30 00:06:52,182 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1063 transitions. [2023-11-30 00:06:52,183 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 00:06:52,183 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1063 transitions. [2023-11-30 00:06:52,185 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 177.16666666666666) internal successors, (1063), 6 states have internal predecessors, (1063), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:06:52,188 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 275.0) internal successors, (1925), 7 states have internal predecessors, (1925), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:06:52,189 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 275.0) internal successors, (1925), 7 states have internal predecessors, (1925), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:06:52,190 INFO L307 CegarLoopForPetriNet]: 178 programPoint places, 2 predicate places. [2023-11-30 00:06:52,190 INFO L500 AbstractCegarLoop]: Abstraction has has 180 places, 438 transitions, 2821 flow [2023-11-30 00:06:52,191 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 162.66666666666666) internal successors, (976), 6 states have internal predecessors, (976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:06:52,191 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 00:06:52,191 INFO L232 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] [2023-11-30 00:06:52,192 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-30 00:06:52,192 INFO L425 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-11-30 00:06:52,192 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 00:06:52,192 INFO L85 PathProgramCache]: Analyzing trace with hash 1246060129, now seen corresponding path program 1 times [2023-11-30 00:06:52,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 00:06:52,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034585214] [2023-11-30 00:06:52,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 00:06:52,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 00:06:52,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 00:06:53,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 00:06:53,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 00:06:53,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034585214] [2023-11-30 00:06:53,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1034585214] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 00:06:53,135 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 00:06:53,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-30 00:06:53,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794653531] [2023-11-30 00:06:53,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 00:06:53,136 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-30 00:06:53,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 00:06:53,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-30 00:06:53,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2023-11-30 00:06:53,139 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 275 [2023-11-30 00:06:53,140 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 180 places, 438 transitions, 2821 flow. Second operand has 12 states, 12 states have (on average 134.83333333333334) internal successors, (1618), 12 states have internal predecessors, (1618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:06:53,141 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 00:06:53,141 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 275 [2023-11-30 00:06:53,141 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 00:06:56,179 INFO L124 PetriNetUnfolderBase]: 9024/14976 cut-off events. [2023-11-30 00:06:56,179 INFO L125 PetriNetUnfolderBase]: For 11194/20795 co-relation queries the response was YES. [2023-11-30 00:06:56,217 INFO L83 FinitePrefix]: Finished finitePrefix Result has 60857 conditions, 14976 events. 9024/14976 cut-off events. For 11194/20795 co-relation queries the response was YES. Maximal size of possible extension queue 412. Compared 96031 event pairs, 2751 based on Foata normal form. 389/14278 useless extension candidates. Maximal degree in co-relation 60700. Up to 11799 conditions per place. [2023-11-30 00:06:56,453 INFO L140 encePairwiseOnDemand]: 258/275 looper letters, 625 selfloop transitions, 77 changer transitions 0/772 dead transitions. [2023-11-30 00:06:56,453 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 195 places, 772 transitions, 6356 flow [2023-11-30 00:06:56,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-30 00:06:56,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2023-11-30 00:06:56,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 2548 transitions. [2023-11-30 00:06:56,460 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.5790909090909091 [2023-11-30 00:06:56,460 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 2548 transitions. [2023-11-30 00:06:56,460 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 2548 transitions. [2023-11-30 00:06:56,461 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 00:06:56,461 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 2548 transitions. [2023-11-30 00:06:56,467 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 159.25) internal successors, (2548), 16 states have internal predecessors, (2548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:06:56,473 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 275.0) internal successors, (4675), 17 states have internal predecessors, (4675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:06:56,474 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 275.0) internal successors, (4675), 17 states have internal predecessors, (4675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:06:56,475 INFO L307 CegarLoopForPetriNet]: 178 programPoint places, 17 predicate places. [2023-11-30 00:06:56,475 INFO L500 AbstractCegarLoop]: Abstraction has has 195 places, 772 transitions, 6356 flow [2023-11-30 00:06:56,475 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 134.83333333333334) internal successors, (1618), 12 states have internal predecessors, (1618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:06:56,476 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 00:06:56,476 INFO L232 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] [2023-11-30 00:06:56,476 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-30 00:06:56,476 INFO L425 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-11-30 00:06:56,476 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 00:06:56,477 INFO L85 PathProgramCache]: Analyzing trace with hash 931464491, now seen corresponding path program 2 times [2023-11-30 00:06:56,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 00:06:56,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656474822] [2023-11-30 00:06:56,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 00:06:56,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 00:06:56,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 00:06:57,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 00:06:57,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 00:06:57,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656474822] [2023-11-30 00:06:57,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1656474822] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 00:06:57,144 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 00:06:57,144 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-30 00:06:57,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759245529] [2023-11-30 00:06:57,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 00:06:57,145 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-30 00:06:57,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 00:06:57,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-30 00:06:57,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2023-11-30 00:06:57,148 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 275 [2023-11-30 00:06:57,150 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 195 places, 772 transitions, 6356 flow. Second operand has 12 states, 12 states have (on average 134.83333333333334) internal successors, (1618), 12 states have internal predecessors, (1618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:06:57,150 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 00:06:57,150 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 275 [2023-11-30 00:06:57,150 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 00:07:01,100 INFO L124 PetriNetUnfolderBase]: 11457/20558 cut-off events. [2023-11-30 00:07:01,100 INFO L125 PetriNetUnfolderBase]: For 16644/29343 co-relation queries the response was YES. [2023-11-30 00:07:01,137 INFO L83 FinitePrefix]: Finished finitePrefix Result has 95324 conditions, 20558 events. 11457/20558 cut-off events. For 16644/29343 co-relation queries the response was YES. Maximal size of possible extension queue 614. Compared 149045 event pairs, 2483 based on Foata normal form. 659/19900 useless extension candidates. Maximal degree in co-relation 95056. Up to 15009 conditions per place. [2023-11-30 00:07:01,311 INFO L140 encePairwiseOnDemand]: 262/275 looper letters, 1292 selfloop transitions, 152 changer transitions 0/1514 dead transitions. [2023-11-30 00:07:01,311 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 215 places, 1514 transitions, 15485 flow [2023-11-30 00:07:01,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-30 00:07:01,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2023-11-30 00:07:01,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 3180 transitions. [2023-11-30 00:07:01,319 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.5506493506493506 [2023-11-30 00:07:01,319 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 3180 transitions. [2023-11-30 00:07:01,320 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 3180 transitions. [2023-11-30 00:07:01,321 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 00:07:01,321 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 3180 transitions. [2023-11-30 00:07:01,327 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 151.42857142857142) internal successors, (3180), 21 states have internal predecessors, (3180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:07:01,336 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 275.0) internal successors, (6050), 22 states have internal predecessors, (6050), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:07:01,339 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 275.0) internal successors, (6050), 22 states have internal predecessors, (6050), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:07:01,341 INFO L307 CegarLoopForPetriNet]: 178 programPoint places, 37 predicate places. [2023-11-30 00:07:01,341 INFO L500 AbstractCegarLoop]: Abstraction has has 215 places, 1514 transitions, 15485 flow [2023-11-30 00:07:01,343 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 134.83333333333334) internal successors, (1618), 12 states have internal predecessors, (1618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:07:01,343 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 00:07:01,343 INFO L232 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] [2023-11-30 00:07:01,343 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-30 00:07:01,343 INFO L425 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-11-30 00:07:01,345 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 00:07:01,348 INFO L85 PathProgramCache]: Analyzing trace with hash -1539229549, now seen corresponding path program 3 times [2023-11-30 00:07:01,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 00:07:01,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667107228] [2023-11-30 00:07:01,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 00:07:01,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 00:07:01,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 00:07:02,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 00:07:02,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 00:07:02,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667107228] [2023-11-30 00:07:02,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1667107228] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 00:07:02,159 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 00:07:02,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-30 00:07:02,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958123148] [2023-11-30 00:07:02,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 00:07:02,160 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-30 00:07:02,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 00:07:02,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-30 00:07:02,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2023-11-30 00:07:02,163 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 275 [2023-11-30 00:07:02,165 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 215 places, 1514 transitions, 15485 flow. Second operand has 12 states, 12 states have (on average 134.83333333333334) internal successors, (1618), 12 states have internal predecessors, (1618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:07:02,165 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 00:07:02,165 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 275 [2023-11-30 00:07:02,165 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 00:07:07,339 INFO L124 PetriNetUnfolderBase]: 13399/24048 cut-off events. [2023-11-30 00:07:07,339 INFO L125 PetriNetUnfolderBase]: For 25992/45219 co-relation queries the response was YES. [2023-11-30 00:07:07,392 INFO L83 FinitePrefix]: Finished finitePrefix Result has 131850 conditions, 24048 events. 13399/24048 cut-off events. For 25992/45219 co-relation queries the response was YES. Maximal size of possible extension queue 735. Compared 179935 event pairs, 3163 based on Foata normal form. 1197/23695 useless extension candidates. Maximal degree in co-relation 131416. Up to 17753 conditions per place. [2023-11-30 00:07:07,631 INFO L140 encePairwiseOnDemand]: 258/275 looper letters, 1541 selfloop transitions, 244 changer transitions 0/1855 dead transitions. [2023-11-30 00:07:07,631 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 232 places, 1855 transitions, 22701 flow [2023-11-30 00:07:07,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-11-30 00:07:07,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2023-11-30 00:07:07,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 2872 transitions. [2023-11-30 00:07:07,639 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.5802020202020202 [2023-11-30 00:07:07,639 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 2872 transitions. [2023-11-30 00:07:07,639 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 2872 transitions. [2023-11-30 00:07:07,641 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 00:07:07,641 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 2872 transitions. [2023-11-30 00:07:07,646 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 159.55555555555554) internal successors, (2872), 18 states have internal predecessors, (2872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:07:07,653 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 275.0) internal successors, (5225), 19 states have internal predecessors, (5225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:07:07,654 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 275.0) internal successors, (5225), 19 states have internal predecessors, (5225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:07:07,655 INFO L307 CegarLoopForPetriNet]: 178 programPoint places, 54 predicate places. [2023-11-30 00:07:07,655 INFO L500 AbstractCegarLoop]: Abstraction has has 232 places, 1855 transitions, 22701 flow [2023-11-30 00:07:07,656 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 134.83333333333334) internal successors, (1618), 12 states have internal predecessors, (1618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:07:07,656 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 00:07:07,656 INFO L232 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] [2023-11-30 00:07:07,656 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-30 00:07:07,656 INFO L425 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-11-30 00:07:07,656 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 00:07:07,657 INFO L85 PathProgramCache]: Analyzing trace with hash -568947019, now seen corresponding path program 4 times [2023-11-30 00:07:07,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 00:07:07,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888528961] [2023-11-30 00:07:07,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 00:07:07,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 00:07:07,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 00:07:08,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 00:07:08,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 00:07:08,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888528961] [2023-11-30 00:07:08,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [888528961] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 00:07:08,426 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 00:07:08,426 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-30 00:07:08,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025926894] [2023-11-30 00:07:08,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 00:07:08,426 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-30 00:07:08,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 00:07:08,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-30 00:07:08,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2023-11-30 00:07:08,428 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 275 [2023-11-30 00:07:08,430 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 232 places, 1855 transitions, 22701 flow. Second operand has 12 states, 12 states have (on average 134.83333333333334) internal successors, (1618), 12 states have internal predecessors, (1618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:07:08,430 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 00:07:08,430 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 275 [2023-11-30 00:07:08,430 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 00:07:15,008 INFO L124 PetriNetUnfolderBase]: 16445/30051 cut-off events. [2023-11-30 00:07:15,008 INFO L125 PetriNetUnfolderBase]: For 44160/72686 co-relation queries the response was YES. [2023-11-30 00:07:15,073 INFO L83 FinitePrefix]: Finished finitePrefix Result has 189252 conditions, 30051 events. 16445/30051 cut-off events. For 44160/72686 co-relation queries the response was YES. Maximal size of possible extension queue 930. Compared 237871 event pairs, 4331 based on Foata normal form. 1379/29493 useless extension candidates. Maximal degree in co-relation 188620. Up to 22222 conditions per place. [2023-11-30 00:07:15,309 INFO L140 encePairwiseOnDemand]: 257/275 looper letters, 2108 selfloop transitions, 335 changer transitions 0/2513 dead transitions. [2023-11-30 00:07:15,310 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 247 places, 2513 transitions, 35704 flow [2023-11-30 00:07:15,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-30 00:07:15,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2023-11-30 00:07:15,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 2614 transitions. [2023-11-30 00:07:15,315 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.5940909090909091 [2023-11-30 00:07:15,315 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 2614 transitions. [2023-11-30 00:07:15,316 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 2614 transitions. [2023-11-30 00:07:15,317 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 00:07:15,317 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 2614 transitions. [2023-11-30 00:07:15,321 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 163.375) internal successors, (2614), 16 states have internal predecessors, (2614), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:07:15,327 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 275.0) internal successors, (4675), 17 states have internal predecessors, (4675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:07:15,328 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 275.0) internal successors, (4675), 17 states have internal predecessors, (4675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:07:15,329 INFO L307 CegarLoopForPetriNet]: 178 programPoint places, 69 predicate places. [2023-11-30 00:07:15,329 INFO L500 AbstractCegarLoop]: Abstraction has has 247 places, 2513 transitions, 35704 flow [2023-11-30 00:07:15,329 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 134.83333333333334) internal successors, (1618), 12 states have internal predecessors, (1618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:07:15,330 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 00:07:15,330 INFO L232 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] [2023-11-30 00:07:15,330 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-30 00:07:15,330 INFO L425 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-11-30 00:07:15,330 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 00:07:15,330 INFO L85 PathProgramCache]: Analyzing trace with hash 1102121077, now seen corresponding path program 5 times [2023-11-30 00:07:15,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 00:07:15,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118304502] [2023-11-30 00:07:15,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 00:07:15,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 00:07:15,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 00:07:15,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 00:07:15,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 00:07:15,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118304502] [2023-11-30 00:07:15,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [118304502] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 00:07:15,856 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 00:07:15,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-30 00:07:15,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362080632] [2023-11-30 00:07:15,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 00:07:15,857 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-30 00:07:15,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 00:07:15,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-30 00:07:15,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2023-11-30 00:07:15,858 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 275 [2023-11-30 00:07:15,866 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 247 places, 2513 transitions, 35704 flow. Second operand has 12 states, 12 states have (on average 134.83333333333334) internal successors, (1618), 12 states have internal predecessors, (1618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:07:15,866 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 00:07:15,866 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 275 [2023-11-30 00:07:15,866 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 00:07:24,511 INFO L124 PetriNetUnfolderBase]: 18621/34479 cut-off events. [2023-11-30 00:07:24,511 INFO L125 PetriNetUnfolderBase]: For 65226/96703 co-relation queries the response was YES. [2023-11-30 00:07:24,578 INFO L83 FinitePrefix]: Finished finitePrefix Result has 244586 conditions, 34479 events. 18621/34479 cut-off events. For 65226/96703 co-relation queries the response was YES. Maximal size of possible extension queue 1107. Compared 281948 event pairs, 5298 based on Foata normal form. 1361/33622 useless extension candidates. Maximal degree in co-relation 243646. Up to 25381 conditions per place. [2023-11-30 00:07:24,884 INFO L140 encePairwiseOnDemand]: 258/275 looper letters, 2611 selfloop transitions, 412 changer transitions 0/3093 dead transitions. [2023-11-30 00:07:24,885 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 262 places, 3093 transitions, 50220 flow [2023-11-30 00:07:24,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-30 00:07:24,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2023-11-30 00:07:24,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 2502 transitions. [2023-11-30 00:07:24,891 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.5686363636363636 [2023-11-30 00:07:24,891 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 2502 transitions. [2023-11-30 00:07:24,891 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 2502 transitions. [2023-11-30 00:07:24,892 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 00:07:24,892 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 2502 transitions. [2023-11-30 00:07:24,897 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 156.375) internal successors, (2502), 16 states have internal predecessors, (2502), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:07:24,902 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 275.0) internal successors, (4675), 17 states have internal predecessors, (4675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:07:24,903 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 275.0) internal successors, (4675), 17 states have internal predecessors, (4675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:07:24,903 INFO L307 CegarLoopForPetriNet]: 178 programPoint places, 84 predicate places. [2023-11-30 00:07:24,904 INFO L500 AbstractCegarLoop]: Abstraction has has 262 places, 3093 transitions, 50220 flow [2023-11-30 00:07:24,904 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 134.83333333333334) internal successors, (1618), 12 states have internal predecessors, (1618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:07:24,904 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 00:07:24,904 INFO L232 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] [2023-11-30 00:07:24,905 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-30 00:07:24,905 INFO L425 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-11-30 00:07:24,905 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 00:07:24,905 INFO L85 PathProgramCache]: Analyzing trace with hash 1022684747, now seen corresponding path program 6 times [2023-11-30 00:07:24,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 00:07:24,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685226047] [2023-11-30 00:07:24,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 00:07:24,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 00:07:24,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 00:07:25,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 00:07:25,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 00:07:25,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685226047] [2023-11-30 00:07:25,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [685226047] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 00:07:25,444 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 00:07:25,444 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-30 00:07:25,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091793846] [2023-11-30 00:07:25,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 00:07:25,446 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-30 00:07:25,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 00:07:25,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-30 00:07:25,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2023-11-30 00:07:25,448 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 275 [2023-11-30 00:07:25,450 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 262 places, 3093 transitions, 50220 flow. Second operand has 12 states, 12 states have (on average 134.83333333333334) internal successors, (1618), 12 states have internal predecessors, (1618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:07:25,450 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 00:07:25,450 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 275 [2023-11-30 00:07:25,450 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 00:07:37,885 INFO L124 PetriNetUnfolderBase]: 22905/41428 cut-off events. [2023-11-30 00:07:37,886 INFO L125 PetriNetUnfolderBase]: For 97555/151841 co-relation queries the response was YES. [2023-11-30 00:07:37,975 INFO L83 FinitePrefix]: Finished finitePrefix Result has 332567 conditions, 41428 events. 22905/41428 cut-off events. For 97555/151841 co-relation queries the response was YES. Maximal size of possible extension queue 1320. Compared 343432 event pairs, 7159 based on Foata normal form. 1505/40034 useless extension candidates. Maximal degree in co-relation 331357. Up to 31301 conditions per place. [2023-11-30 00:07:38,452 INFO L140 encePairwiseOnDemand]: 258/275 looper letters, 3049 selfloop transitions, 436 changer transitions 0/3555 dead transitions. [2023-11-30 00:07:38,452 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 280 places, 3555 transitions, 65045 flow [2023-11-30 00:07:38,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-11-30 00:07:38,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2023-11-30 00:07:38,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 3008 transitions. [2023-11-30 00:07:38,457 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.5756937799043063 [2023-11-30 00:07:38,458 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 3008 transitions. [2023-11-30 00:07:38,458 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 3008 transitions. [2023-11-30 00:07:38,460 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 00:07:38,460 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 3008 transitions. [2023-11-30 00:07:38,465 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 158.31578947368422) internal successors, (3008), 19 states have internal predecessors, (3008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:07:38,472 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 275.0) internal successors, (5500), 20 states have internal predecessors, (5500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:07:38,472 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 275.0) internal successors, (5500), 20 states have internal predecessors, (5500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:07:38,473 INFO L307 CegarLoopForPetriNet]: 178 programPoint places, 102 predicate places. [2023-11-30 00:07:38,473 INFO L500 AbstractCegarLoop]: Abstraction has has 280 places, 3555 transitions, 65045 flow [2023-11-30 00:07:38,474 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 134.83333333333334) internal successors, (1618), 12 states have internal predecessors, (1618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:07:38,474 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 00:07:38,474 INFO L232 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] [2023-11-30 00:07:38,474 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-30 00:07:38,474 INFO L425 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-11-30 00:07:38,474 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 00:07:38,475 INFO L85 PathProgramCache]: Analyzing trace with hash 1762492527, now seen corresponding path program 7 times [2023-11-30 00:07:38,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 00:07:38,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454367639] [2023-11-30 00:07:38,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 00:07:38,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 00:07:38,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 00:07:38,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 00:07:38,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 00:07:38,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454367639] [2023-11-30 00:07:38,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454367639] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 00:07:38,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 00:07:38,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-30 00:07:38,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710913195] [2023-11-30 00:07:38,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 00:07:38,980 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-30 00:07:38,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 00:07:38,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-30 00:07:38,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2023-11-30 00:07:38,984 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 275 [2023-11-30 00:07:38,985 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 280 places, 3555 transitions, 65045 flow. Second operand has 12 states, 12 states have (on average 134.83333333333334) internal successors, (1618), 12 states have internal predecessors, (1618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:07:38,985 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 00:07:38,985 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 275 [2023-11-30 00:07:38,985 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 00:07:53,191 INFO L124 PetriNetUnfolderBase]: 23056/42337 cut-off events. [2023-11-30 00:07:53,192 INFO L125 PetriNetUnfolderBase]: For 124110/176494 co-relation queries the response was YES. [2023-11-30 00:07:53,293 INFO L83 FinitePrefix]: Finished finitePrefix Result has 371772 conditions, 42337 events. 23056/42337 cut-off events. For 124110/176494 co-relation queries the response was YES. Maximal size of possible extension queue 1388. Compared 358011 event pairs, 6833 based on Foata normal form. 1729/41324 useless extension candidates. Maximal degree in co-relation 370260. Up to 31681 conditions per place. [2023-11-30 00:07:53,729 INFO L140 encePairwiseOnDemand]: 258/275 looper letters, 3239 selfloop transitions, 474 changer transitions 0/3783 dead transitions. [2023-11-30 00:07:53,729 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 297 places, 3783 transitions, 76769 flow [2023-11-30 00:07:53,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-11-30 00:07:53,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2023-11-30 00:07:53,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 2825 transitions. [2023-11-30 00:07:53,733 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.5707070707070707 [2023-11-30 00:07:53,733 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 2825 transitions. [2023-11-30 00:07:53,733 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 2825 transitions. [2023-11-30 00:07:53,735 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 00:07:53,735 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 2825 transitions. [2023-11-30 00:07:53,739 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 156.94444444444446) internal successors, (2825), 18 states have internal predecessors, (2825), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:07:53,744 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 275.0) internal successors, (5225), 19 states have internal predecessors, (5225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:07:53,745 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 275.0) internal successors, (5225), 19 states have internal predecessors, (5225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:07:53,746 INFO L307 CegarLoopForPetriNet]: 178 programPoint places, 119 predicate places. [2023-11-30 00:07:53,746 INFO L500 AbstractCegarLoop]: Abstraction has has 297 places, 3783 transitions, 76769 flow [2023-11-30 00:07:53,746 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 134.83333333333334) internal successors, (1618), 12 states have internal predecessors, (1618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:07:53,746 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 00:07:53,747 INFO L232 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] [2023-11-30 00:07:53,747 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-30 00:07:53,747 INFO L425 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-11-30 00:07:53,747 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 00:07:53,747 INFO L85 PathProgramCache]: Analyzing trace with hash 964964563, now seen corresponding path program 8 times [2023-11-30 00:07:53,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 00:07:53,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20254435] [2023-11-30 00:07:53,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 00:07:53,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 00:07:53,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 00:07:54,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 00:07:54,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 00:07:54,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20254435] [2023-11-30 00:07:54,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [20254435] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 00:07:54,241 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 00:07:54,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-30 00:07:54,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084998547] [2023-11-30 00:07:54,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 00:07:54,241 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-30 00:07:54,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 00:07:54,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-30 00:07:54,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2023-11-30 00:07:54,243 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 275 [2023-11-30 00:07:54,244 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 297 places, 3783 transitions, 76769 flow. Second operand has 12 states, 12 states have (on average 134.83333333333334) internal successors, (1618), 12 states have internal predecessors, (1618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:07:54,244 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 00:07:54,244 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 275 [2023-11-30 00:07:54,244 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 00:08:13,600 INFO L124 PetriNetUnfolderBase]: 28607/52185 cut-off events. [2023-11-30 00:08:13,600 INFO L125 PetriNetUnfolderBase]: For 181742/257595 co-relation queries the response was YES. [2023-11-30 00:08:13,755 INFO L83 FinitePrefix]: Finished finitePrefix Result has 500397 conditions, 52185 events. 28607/52185 cut-off events. For 181742/257595 co-relation queries the response was YES. Maximal size of possible extension queue 1697. Compared 451466 event pairs, 8981 based on Foata normal form. 1288/49954 useless extension candidates. Maximal degree in co-relation 498551. Up to 39185 conditions per place. [2023-11-30 00:08:14,555 INFO L140 encePairwiseOnDemand]: 258/275 looper letters, 3881 selfloop transitions, 488 changer transitions 0/4439 dead transitions. [2023-11-30 00:08:14,556 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 316 places, 4439 transitions, 99119 flow [2023-11-30 00:08:14,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-30 00:08:14,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2023-11-30 00:08:14,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 3143 transitions. [2023-11-30 00:08:14,560 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.5714545454545454 [2023-11-30 00:08:14,560 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 3143 transitions. [2023-11-30 00:08:14,561 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 3143 transitions. [2023-11-30 00:08:14,562 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 00:08:14,562 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 3143 transitions. [2023-11-30 00:08:14,567 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 157.15) internal successors, (3143), 20 states have internal predecessors, (3143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:08:14,573 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 275.0) internal successors, (5775), 21 states have internal predecessors, (5775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:08:14,574 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 275.0) internal successors, (5775), 21 states have internal predecessors, (5775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:08:14,574 INFO L307 CegarLoopForPetriNet]: 178 programPoint places, 138 predicate places. [2023-11-30 00:08:14,574 INFO L500 AbstractCegarLoop]: Abstraction has has 316 places, 4439 transitions, 99119 flow [2023-11-30 00:08:14,575 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 134.83333333333334) internal successors, (1618), 12 states have internal predecessors, (1618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:08:14,575 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 00:08:14,575 INFO L232 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] [2023-11-30 00:08:14,575 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-30 00:08:14,575 INFO L425 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-11-30 00:08:14,575 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 00:08:14,576 INFO L85 PathProgramCache]: Analyzing trace with hash -510721551, now seen corresponding path program 9 times [2023-11-30 00:08:14,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 00:08:14,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976425973] [2023-11-30 00:08:14,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 00:08:14,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 00:08:14,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 00:08:15,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 00:08:15,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 00:08:15,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976425973] [2023-11-30 00:08:15,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [976425973] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 00:08:15,046 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 00:08:15,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-30 00:08:15,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494395041] [2023-11-30 00:08:15,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 00:08:15,047 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-30 00:08:15,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 00:08:15,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-30 00:08:15,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2023-11-30 00:08:15,048 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 275 [2023-11-30 00:08:15,049 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 316 places, 4439 transitions, 99119 flow. Second operand has 12 states, 12 states have (on average 134.83333333333334) internal successors, (1618), 12 states have internal predecessors, (1618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:08:15,049 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 00:08:15,049 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 275 [2023-11-30 00:08:15,049 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 00:08:38,770 INFO L124 PetriNetUnfolderBase]: 30987/56811 cut-off events. [2023-11-30 00:08:38,770 INFO L125 PetriNetUnfolderBase]: For 232310/328417 co-relation queries the response was YES. [2023-11-30 00:08:38,943 INFO L83 FinitePrefix]: Finished finitePrefix Result has 589830 conditions, 56811 events. 30987/56811 cut-off events. For 232310/328417 co-relation queries the response was YES. Maximal size of possible extension queue 1883. Compared 500380 event pairs, 9792 based on Foata normal form. 1623/54626 useless extension candidates. Maximal degree in co-relation 587563. Up to 42578 conditions per place. [2023-11-30 00:08:39,864 INFO L140 encePairwiseOnDemand]: 258/275 looper letters, 4176 selfloop transitions, 637 changer transitions 0/4883 dead transitions. [2023-11-30 00:08:39,865 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 333 places, 4883 transitions, 118913 flow [2023-11-30 00:08:39,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-11-30 00:08:39,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2023-11-30 00:08:39,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 2776 transitions. [2023-11-30 00:08:39,868 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.5608080808080808 [2023-11-30 00:08:39,868 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 2776 transitions. [2023-11-30 00:08:39,868 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 2776 transitions. [2023-11-30 00:08:39,869 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 00:08:39,869 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 2776 transitions. [2023-11-30 00:08:39,872 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 154.22222222222223) internal successors, (2776), 18 states have internal predecessors, (2776), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:08:39,877 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 275.0) internal successors, (5225), 19 states have internal predecessors, (5225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:08:39,877 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 275.0) internal successors, (5225), 19 states have internal predecessors, (5225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:08:39,878 INFO L307 CegarLoopForPetriNet]: 178 programPoint places, 155 predicate places. [2023-11-30 00:08:39,878 INFO L500 AbstractCegarLoop]: Abstraction has has 333 places, 4883 transitions, 118913 flow [2023-11-30 00:08:39,878 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 134.83333333333334) internal successors, (1618), 12 states have internal predecessors, (1618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:08:39,879 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 00:08:39,879 INFO L232 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] [2023-11-30 00:08:39,879 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-30 00:08:39,879 INFO L425 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-11-30 00:08:39,879 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 00:08:39,879 INFO L85 PathProgramCache]: Analyzing trace with hash -981357703, now seen corresponding path program 10 times [2023-11-30 00:08:39,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 00:08:39,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867408838] [2023-11-30 00:08:39,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 00:08:39,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 00:08:39,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 00:08:40,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 00:08:40,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 00:08:40,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867408838] [2023-11-30 00:08:40,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [867408838] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 00:08:40,342 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 00:08:40,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-30 00:08:40,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34858352] [2023-11-30 00:08:40,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 00:08:40,343 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-30 00:08:40,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 00:08:40,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-30 00:08:40,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2023-11-30 00:08:40,345 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 275 [2023-11-30 00:08:40,346 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 333 places, 4883 transitions, 118913 flow. Second operand has 12 states, 12 states have (on average 134.83333333333334) internal successors, (1618), 12 states have internal predecessors, (1618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:08:40,346 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 00:08:40,346 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 275 [2023-11-30 00:08:40,346 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 00:09:07,815 INFO L124 PetriNetUnfolderBase]: 31138/57371 cut-off events. [2023-11-30 00:09:07,816 INFO L125 PetriNetUnfolderBase]: For 279718/386912 co-relation queries the response was YES. [2023-11-30 00:09:07,986 INFO L83 FinitePrefix]: Finished finitePrefix Result has 642147 conditions, 57371 events. 31138/57371 cut-off events. For 279718/386912 co-relation queries the response was YES. Maximal size of possible extension queue 1883. Compared 508783 event pairs, 9620 based on Foata normal form. 1634/55385 useless extension candidates. Maximal degree in co-relation 639478. Up to 42958 conditions per place. [2023-11-30 00:09:08,694 INFO L140 encePairwiseOnDemand]: 258/275 looper letters, 4446 selfloop transitions, 636 changer transitions 0/5152 dead transitions. [2023-11-30 00:09:08,694 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 351 places, 5152 transitions, 135786 flow [2023-11-30 00:09:08,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-11-30 00:09:08,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2023-11-30 00:09:08,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 2962 transitions. [2023-11-30 00:09:08,696 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.56688995215311 [2023-11-30 00:09:08,696 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 2962 transitions. [2023-11-30 00:09:08,696 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 2962 transitions. [2023-11-30 00:09:08,697 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 00:09:08,697 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 2962 transitions. [2023-11-30 00:09:08,700 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 155.89473684210526) internal successors, (2962), 19 states have internal predecessors, (2962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:09:08,705 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 275.0) internal successors, (5500), 20 states have internal predecessors, (5500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:09:08,706 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 275.0) internal successors, (5500), 20 states have internal predecessors, (5500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:09:08,706 INFO L307 CegarLoopForPetriNet]: 178 programPoint places, 173 predicate places. [2023-11-30 00:09:08,706 INFO L500 AbstractCegarLoop]: Abstraction has has 351 places, 5152 transitions, 135786 flow [2023-11-30 00:09:08,707 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 134.83333333333334) internal successors, (1618), 12 states have internal predecessors, (1618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:09:08,707 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 00:09:08,707 INFO L232 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] [2023-11-30 00:09:08,707 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-30 00:09:08,707 INFO L425 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-11-30 00:09:08,707 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 00:09:08,708 INFO L85 PathProgramCache]: Analyzing trace with hash 928711593, now seen corresponding path program 11 times [2023-11-30 00:09:08,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 00:09:08,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571977989] [2023-11-30 00:09:08,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 00:09:08,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 00:09:08,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 00:09:09,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 00:09:09,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 00:09:09,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571977989] [2023-11-30 00:09:09,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [571977989] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 00:09:09,358 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 00:09:09,358 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-30 00:09:09,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434636179] [2023-11-30 00:09:09,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 00:09:09,358 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-30 00:09:09,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 00:09:09,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-30 00:09:09,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2023-11-30 00:09:09,360 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 275 [2023-11-30 00:09:09,361 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 351 places, 5152 transitions, 135786 flow. Second operand has 12 states, 12 states have (on average 134.83333333333334) internal successors, (1618), 12 states have internal predecessors, (1618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:09:09,361 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 00:09:09,362 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 275 [2023-11-30 00:09:09,362 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 00:09:45,264 INFO L124 PetriNetUnfolderBase]: 36514/67277 cut-off events. [2023-11-30 00:09:45,264 INFO L125 PetriNetUnfolderBase]: For 390489/529082 co-relation queries the response was YES. [2023-11-30 00:09:45,467 INFO L83 FinitePrefix]: Finished finitePrefix Result has 807986 conditions, 67277 events. 36514/67277 cut-off events. For 390489/529082 co-relation queries the response was YES. Maximal size of possible extension queue 2250. Compared 612171 event pairs, 12027 based on Foata normal form. 1465/64217 useless extension candidates. Maximal degree in co-relation 804757. Up to 50594 conditions per place. [2023-11-30 00:09:46,623 INFO L140 encePairwiseOnDemand]: 258/275 looper letters, 5171 selfloop transitions, 616 changer transitions 0/5857 dead transitions. [2023-11-30 00:09:46,623 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 369 places, 5857 transitions, 166326 flow [2023-11-30 00:09:46,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-11-30 00:09:46,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2023-11-30 00:09:46,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 2907 transitions. [2023-11-30 00:09:46,626 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.5563636363636364 [2023-11-30 00:09:46,626 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 2907 transitions. [2023-11-30 00:09:46,626 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 2907 transitions. [2023-11-30 00:09:46,626 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 00:09:46,626 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 2907 transitions. [2023-11-30 00:09:46,629 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 153.0) internal successors, (2907), 19 states have internal predecessors, (2907), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:09:46,634 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 275.0) internal successors, (5500), 20 states have internal predecessors, (5500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:09:46,635 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 275.0) internal successors, (5500), 20 states have internal predecessors, (5500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:09:46,635 INFO L307 CegarLoopForPetriNet]: 178 programPoint places, 191 predicate places. [2023-11-30 00:09:46,635 INFO L500 AbstractCegarLoop]: Abstraction has has 369 places, 5857 transitions, 166326 flow [2023-11-30 00:09:46,636 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 134.83333333333334) internal successors, (1618), 12 states have internal predecessors, (1618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:09:46,636 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 00:09:46,636 INFO L232 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] [2023-11-30 00:09:46,636 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-30 00:09:46,636 INFO L425 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-11-30 00:09:46,636 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 00:09:46,637 INFO L85 PathProgramCache]: Analyzing trace with hash 838006125, now seen corresponding path program 12 times [2023-11-30 00:09:46,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 00:09:46,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958004291] [2023-11-30 00:09:46,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 00:09:46,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 00:09:46,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 00:09:46,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 00:09:46,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 00:09:46,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958004291] [2023-11-30 00:09:46,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [958004291] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 00:09:46,917 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 00:09:46,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-30 00:09:46,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472329158] [2023-11-30 00:09:46,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 00:09:46,917 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-30 00:09:46,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 00:09:46,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-30 00:09:46,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-11-30 00:09:46,919 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 148 out of 275 [2023-11-30 00:09:46,920 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 369 places, 5857 transitions, 166326 flow. Second operand has 10 states, 10 states have (on average 150.9) internal successors, (1509), 10 states have internal predecessors, (1509), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:09:46,920 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 00:09:46,920 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 148 of 275 [2023-11-30 00:09:46,920 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 00:10:35,477 INFO L124 PetriNetUnfolderBase]: 39408/72747 cut-off events. [2023-11-30 00:10:35,478 INFO L125 PetriNetUnfolderBase]: For 476154/627027 co-relation queries the response was YES. [2023-11-30 00:10:35,719 INFO L83 FinitePrefix]: Finished finitePrefix Result has 929855 conditions, 72747 events. 39408/72747 cut-off events. For 476154/627027 co-relation queries the response was YES. Maximal size of possible extension queue 2454. Compared 670751 event pairs, 13047 based on Foata normal form. 1382/69266 useless extension candidates. Maximal degree in co-relation 926155. Up to 54804 conditions per place. [2023-11-30 00:10:36,897 INFO L140 encePairwiseOnDemand]: 261/275 looper letters, 5045 selfloop transitions, 501 changer transitions 0/6158 dead transitions. [2023-11-30 00:10:36,897 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 383 places, 6158 transitions, 186262 flow [2023-11-30 00:10:36,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-30 00:10:36,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2023-11-30 00:10:36,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 2612 transitions. [2023-11-30 00:10:36,901 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6332121212121212 [2023-11-30 00:10:36,901 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 2612 transitions. [2023-11-30 00:10:36,901 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 2612 transitions. [2023-11-30 00:10:36,902 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 00:10:36,902 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 2612 transitions. [2023-11-30 00:10:36,905 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 174.13333333333333) internal successors, (2612), 15 states have internal predecessors, (2612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:10:36,909 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 275.0) internal successors, (4400), 16 states have internal predecessors, (4400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:10:36,924 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 275.0) internal successors, (4400), 16 states have internal predecessors, (4400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:10:36,926 INFO L307 CegarLoopForPetriNet]: 178 programPoint places, 205 predicate places. [2023-11-30 00:10:36,926 INFO L500 AbstractCegarLoop]: Abstraction has has 383 places, 6158 transitions, 186262 flow [2023-11-30 00:10:36,926 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 150.9) internal successors, (1509), 10 states have internal predecessors, (1509), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:10:36,926 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 00:10:36,926 INFO L232 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] [2023-11-30 00:10:36,927 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-30 00:10:36,927 INFO L425 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-11-30 00:10:36,927 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 00:10:36,927 INFO L85 PathProgramCache]: Analyzing trace with hash -799306540, now seen corresponding path program 1 times [2023-11-30 00:10:36,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 00:10:36,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740065241] [2023-11-30 00:10:36,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 00:10:36,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 00:10:36,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 00:10:37,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 00:10:37,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 00:10:37,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740065241] [2023-11-30 00:10:37,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [740065241] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 00:10:37,352 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 00:10:37,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-30 00:10:37,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508925087] [2023-11-30 00:10:37,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 00:10:37,353 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-30 00:10:37,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 00:10:37,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-30 00:10:37,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2023-11-30 00:10:37,355 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 275 [2023-11-30 00:10:37,357 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 383 places, 6158 transitions, 186262 flow. Second operand has 12 states, 12 states have (on average 134.83333333333334) internal successors, (1618), 12 states have internal predecessors, (1618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:10:37,357 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 00:10:37,357 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 275 [2023-11-30 00:10:37,357 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 00:11:31,635 INFO L124 PetriNetUnfolderBase]: 40918/75636 cut-off events. [2023-11-30 00:11:31,635 INFO L125 PetriNetUnfolderBase]: For 572366/747598 co-relation queries the response was YES. [2023-11-30 00:11:31,896 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1027912 conditions, 75636 events. 40918/75636 cut-off events. For 572366/747598 co-relation queries the response was YES. Maximal size of possible extension queue 2559. Compared 702018 event pairs, 13593 based on Foata normal form. 1465/72074 useless extension candidates. Maximal degree in co-relation 1023706. Up to 56890 conditions per place. [2023-11-30 00:11:33,409 INFO L140 encePairwiseOnDemand]: 258/275 looper letters, 5754 selfloop transitions, 672 changer transitions 0/6496 dead transitions. [2023-11-30 00:11:33,409 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 398 places, 6496 transitions, 209497 flow [2023-11-30 00:11:33,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-30 00:11:33,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2023-11-30 00:11:33,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 2397 transitions. [2023-11-30 00:11:33,411 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.5447727272727273 [2023-11-30 00:11:33,411 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 2397 transitions. [2023-11-30 00:11:33,411 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 2397 transitions. [2023-11-30 00:11:33,412 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 00:11:33,412 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 2397 transitions. [2023-11-30 00:11:33,415 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 149.8125) internal successors, (2397), 16 states have internal predecessors, (2397), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:11:33,417 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 275.0) internal successors, (4675), 17 states have internal predecessors, (4675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:11:33,417 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 275.0) internal successors, (4675), 17 states have internal predecessors, (4675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:11:33,418 INFO L307 CegarLoopForPetriNet]: 178 programPoint places, 220 predicate places. [2023-11-30 00:11:33,418 INFO L500 AbstractCegarLoop]: Abstraction has has 398 places, 6496 transitions, 209497 flow [2023-11-30 00:11:33,418 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 134.83333333333334) internal successors, (1618), 12 states have internal predecessors, (1618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:11:33,418 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 00:11:33,418 INFO L232 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] [2023-11-30 00:11:33,418 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-30 00:11:33,418 INFO L425 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-11-30 00:11:33,419 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 00:11:33,419 INFO L85 PathProgramCache]: Analyzing trace with hash 1310829169, now seen corresponding path program 13 times [2023-11-30 00:11:33,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 00:11:33,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980817786] [2023-11-30 00:11:33,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 00:11:33,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 00:11:33,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 00:11:33,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 00:11:33,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 00:11:33,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980817786] [2023-11-30 00:11:33,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1980817786] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 00:11:33,960 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 00:11:33,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-30 00:11:33,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591179821] [2023-11-30 00:11:33,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 00:11:33,961 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-30 00:11:33,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 00:11:33,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-30 00:11:33,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2023-11-30 00:11:33,963 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 275 [2023-11-30 00:11:33,964 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 398 places, 6496 transitions, 209497 flow. Second operand has 12 states, 12 states have (on average 134.83333333333334) internal successors, (1618), 12 states have internal predecessors, (1618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:11:33,964 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 00:11:33,964 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 275 [2023-11-30 00:11:33,964 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 00:12:39,517 INFO L124 PetriNetUnfolderBase]: 41069/76475 cut-off events. [2023-11-30 00:12:39,518 INFO L125 PetriNetUnfolderBase]: For 665218/854632 co-relation queries the response was YES. [2023-11-30 00:12:39,914 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1097152 conditions, 76475 events. 41069/76475 cut-off events. For 665218/854632 co-relation queries the response was YES. Maximal size of possible extension queue 2620. Compared 715817 event pairs, 13280 based on Foata normal form. 1590/73215 useless extension candidates. Maximal degree in co-relation 1092408. Up to 57270 conditions per place. [2023-11-30 00:12:41,538 INFO L140 encePairwiseOnDemand]: 258/275 looper letters, 5976 selfloop transitions, 678 changer transitions 0/6724 dead transitions. [2023-11-30 00:12:41,538 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 415 places, 6724 transitions, 230237 flow [2023-11-30 00:12:41,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-11-30 00:12:41,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2023-11-30 00:12:41,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 2720 transitions. [2023-11-30 00:12:41,541 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.5494949494949495 [2023-11-30 00:12:41,541 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 2720 transitions. [2023-11-30 00:12:41,541 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 2720 transitions. [2023-11-30 00:12:41,542 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 00:12:41,542 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 2720 transitions. [2023-11-30 00:12:41,545 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 151.11111111111111) internal successors, (2720), 18 states have internal predecessors, (2720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:12:41,548 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 275.0) internal successors, (5225), 19 states have internal predecessors, (5225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:12:41,548 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 275.0) internal successors, (5225), 19 states have internal predecessors, (5225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:12:41,548 INFO L307 CegarLoopForPetriNet]: 178 programPoint places, 237 predicate places. [2023-11-30 00:12:41,549 INFO L500 AbstractCegarLoop]: Abstraction has has 415 places, 6724 transitions, 230237 flow [2023-11-30 00:12:41,549 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 134.83333333333334) internal successors, (1618), 12 states have internal predecessors, (1618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:12:41,549 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 00:12:41,549 INFO L232 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] [2023-11-30 00:12:41,549 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-30 00:12:41,549 INFO L425 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-11-30 00:12:41,549 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 00:12:41,550 INFO L85 PathProgramCache]: Analyzing trace with hash 740959165, now seen corresponding path program 14 times [2023-11-30 00:12:41,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 00:12:41,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090460297] [2023-11-30 00:12:41,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 00:12:41,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 00:12:41,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 00:12:42,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 00:12:42,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 00:12:42,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090460297] [2023-11-30 00:12:42,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2090460297] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 00:12:42,021 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 00:12:42,021 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-30 00:12:42,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399689843] [2023-11-30 00:12:42,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 00:12:42,022 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-30 00:12:42,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 00:12:42,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-30 00:12:42,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2023-11-30 00:12:42,023 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 275 [2023-11-30 00:12:42,024 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 415 places, 6724 transitions, 230237 flow. Second operand has 12 states, 12 states have (on average 134.83333333333334) internal successors, (1618), 12 states have internal predecessors, (1618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:12:42,025 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 00:12:42,025 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 275 [2023-11-30 00:12:42,025 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 00:15:00,060 INFO L124 PetriNetUnfolderBase]: 45616/85528 cut-off events. [2023-11-30 00:15:00,061 INFO L125 PetriNetUnfolderBase]: For 876370/1133477 co-relation queries the response was YES. [2023-11-30 00:15:00,493 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1296208 conditions, 85528 events. 45616/85528 cut-off events. For 876370/1133477 co-relation queries the response was YES. Maximal size of possible extension queue 2914. Compared 818071 event pairs, 15208 based on Foata normal form. 2356/82414 useless extension candidates. Maximal degree in co-relation 1290341. Up to 63729 conditions per place. [2023-11-30 00:15:02,614 INFO L140 encePairwiseOnDemand]: 257/275 looper letters, 6895 selfloop transitions, 905 changer transitions 0/7870 dead transitions. [2023-11-30 00:15:02,615 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 432 places, 7870 transitions, 285190 flow [2023-11-30 00:15:02,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-11-30 00:15:02,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2023-11-30 00:15:02,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 2884 transitions. [2023-11-30 00:15:02,618 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.5826262626262626 [2023-11-30 00:15:02,618 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 2884 transitions. [2023-11-30 00:15:02,618 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 2884 transitions. [2023-11-30 00:15:02,619 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 00:15:02,619 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 2884 transitions. [2023-11-30 00:15:02,622 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 160.22222222222223) internal successors, (2884), 18 states have internal predecessors, (2884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:15:02,625 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 275.0) internal successors, (5225), 19 states have internal predecessors, (5225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:15:02,626 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 275.0) internal successors, (5225), 19 states have internal predecessors, (5225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:15:02,626 INFO L307 CegarLoopForPetriNet]: 178 programPoint places, 254 predicate places. [2023-11-30 00:15:02,626 INFO L500 AbstractCegarLoop]: Abstraction has has 432 places, 7870 transitions, 285190 flow [2023-11-30 00:15:02,626 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 134.83333333333334) internal successors, (1618), 12 states have internal predecessors, (1618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:15:02,626 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 00:15:02,627 INFO L232 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] [2023-11-30 00:15:02,627 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-30 00:15:02,627 INFO L425 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-11-30 00:15:02,627 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 00:15:02,627 INFO L85 PathProgramCache]: Analyzing trace with hash -1226868205, now seen corresponding path program 15 times [2023-11-30 00:15:02,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 00:15:02,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118047801] [2023-11-30 00:15:02,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 00:15:02,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 00:15:02,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 00:15:03,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 00:15:03,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 00:15:03,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118047801] [2023-11-30 00:15:03,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [118047801] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 00:15:03,058 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 00:15:03,058 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-30 00:15:03,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869297755] [2023-11-30 00:15:03,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 00:15:03,058 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-30 00:15:03,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 00:15:03,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-30 00:15:03,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2023-11-30 00:15:03,060 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 275 [2023-11-30 00:15:03,061 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 432 places, 7870 transitions, 285190 flow. Second operand has 12 states, 12 states have (on average 134.83333333333334) internal successors, (1618), 12 states have internal predecessors, (1618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:15:03,061 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 00:15:03,061 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 275 [2023-11-30 00:15:03,061 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 00:17:33,244 INFO L124 PetriNetUnfolderBase]: 49694/93925 cut-off events. [2023-11-30 00:17:33,245 INFO L125 PetriNetUnfolderBase]: For 1048543/1246699 co-relation queries the response was YES. [2023-11-30 00:17:33,540 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1494695 conditions, 93925 events. 49694/93925 cut-off events. For 1048543/1246699 co-relation queries the response was YES. Maximal size of possible extension queue 3216. Compared 916870 event pairs, 16747 based on Foata normal form. 2740/90706 useless extension candidates. Maximal degree in co-relation 1487700. Up to 69551 conditions per place. [2023-11-30 00:17:35,671 INFO L140 encePairwiseOnDemand]: 257/275 looper letters, 7718 selfloop transitions, 1073 changer transitions 0/8861 dead transitions. [2023-11-30 00:17:35,671 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 449 places, 8861 transitions, 338792 flow [2023-11-30 00:17:35,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-11-30 00:17:35,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2023-11-30 00:17:35,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 2910 transitions. [2023-11-30 00:17:35,673 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.5878787878787879 [2023-11-30 00:17:35,673 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 2910 transitions. [2023-11-30 00:17:35,674 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 2910 transitions. [2023-11-30 00:17:35,674 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 00:17:35,674 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 2910 transitions. [2023-11-30 00:17:35,677 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 161.66666666666666) internal successors, (2910), 18 states have internal predecessors, (2910), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:17:35,681 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 275.0) internal successors, (5225), 19 states have internal predecessors, (5225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:17:35,681 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 275.0) internal successors, (5225), 19 states have internal predecessors, (5225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:17:35,682 INFO L307 CegarLoopForPetriNet]: 178 programPoint places, 271 predicate places. [2023-11-30 00:17:35,682 INFO L500 AbstractCegarLoop]: Abstraction has has 449 places, 8861 transitions, 338792 flow [2023-11-30 00:17:35,682 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 134.83333333333334) internal successors, (1618), 12 states have internal predecessors, (1618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:17:35,682 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 00:17:35,682 INFO L232 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] [2023-11-30 00:17:35,682 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-11-30 00:17:35,682 INFO L425 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-11-30 00:17:35,683 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 00:17:35,683 INFO L85 PathProgramCache]: Analyzing trace with hash -417214331, now seen corresponding path program 16 times [2023-11-30 00:17:35,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 00:17:35,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917337574] [2023-11-30 00:17:35,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 00:17:35,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 00:17:35,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 00:17:36,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 00:17:36,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 00:17:36,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917337574] [2023-11-30 00:17:36,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [917337574] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 00:17:36,198 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 00:17:36,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-30 00:17:36,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564283347] [2023-11-30 00:17:36,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 00:17:36,199 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-30 00:17:36,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 00:17:36,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-30 00:17:36,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2023-11-30 00:17:36,201 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 275 [2023-11-30 00:17:36,202 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 449 places, 8861 transitions, 338792 flow. Second operand has 12 states, 12 states have (on average 134.83333333333334) internal successors, (1618), 12 states have internal predecessors, (1618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:17:36,202 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 00:17:36,202 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 275 [2023-11-30 00:17:36,202 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand Received shutdown request... [2023-11-30 00:19:23,104 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-11-30 00:19:23,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-30 00:19:23,384 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (37 of 38 remaining) [2023-11-30 00:19:23,385 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-11-30 00:19:23,385 WARN L624 AbstractCegarLoop]: Verification canceled: while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (12states, 132/275 universal loopers) in iteration 20,while PetriNetUnfolder was constructing finite prefix that currently has 1145398 conditions, 70335 events (37631/70334 cut-off events. For 947616/1140595 co-relation queries the response was YES. Maximal size of possible extension queue 3318. Compared 708744 event pairs, 10760 based on Foata normal form. 2252/70023 useless extension candidates. Maximal degree in co-relation 1145199. Up to 49423 conditions per place.). [2023-11-30 00:19:23,386 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location thread0Err0ASSERT_VIOLATIONDATA_RACE (36 of 38 remaining) [2023-11-30 00:19:23,386 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location thread0Err1ASSERT_VIOLATIONDATA_RACE (35 of 38 remaining) [2023-11-30 00:19:23,386 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location thread0Err2ASSERT_VIOLATIONDATA_RACE (34 of 38 remaining) [2023-11-30 00:19:23,387 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location thread0Err3ASSERT_VIOLATIONDATA_RACE (33 of 38 remaining) [2023-11-30 00:19:23,387 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location thread0Err4ASSERT_VIOLATIONDATA_RACE (32 of 38 remaining) [2023-11-30 00:19:23,387 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location thread0Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (31 of 38 remaining) [2023-11-30 00:19:23,387 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location thread0Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (30 of 38 remaining) [2023-11-30 00:19:23,387 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location thread0Err4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (29 of 38 remaining) [2023-11-30 00:19:23,387 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location thread0Err7INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (28 of 38 remaining) [2023-11-30 00:19:23,388 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location thread0Err9INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (27 of 38 remaining) [2023-11-30 00:19:23,412 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err0ASSERT_VIOLATIONDATA_RACE (26 of 38 remaining) [2023-11-30 00:19:23,412 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err0ASSERT_VIOLATIONDATA_RACE (25 of 38 remaining) [2023-11-30 00:19:23,412 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err1ASSERT_VIOLATIONDATA_RACE (24 of 38 remaining) [2023-11-30 00:19:23,412 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err0ASSERT_VIOLATIONDATA_RACE (23 of 38 remaining) [2023-11-30 00:19:23,412 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err1ASSERT_VIOLATIONDATA_RACE (22 of 38 remaining) [2023-11-30 00:19:23,412 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (21 of 38 remaining) [2023-11-30 00:19:23,412 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (20 of 38 remaining) [2023-11-30 00:19:23,413 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (19 of 38 remaining) [2023-11-30 00:19:23,413 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location thread0Err0ASSERT_VIOLATIONDATA_RACE (18 of 38 remaining) [2023-11-30 00:19:23,413 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location thread0Err1ASSERT_VIOLATIONDATA_RACE (17 of 38 remaining) [2023-11-30 00:19:23,413 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location thread0Err2ASSERT_VIOLATIONDATA_RACE (16 of 38 remaining) [2023-11-30 00:19:23,413 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location thread0Err3ASSERT_VIOLATIONDATA_RACE (15 of 38 remaining) [2023-11-30 00:19:23,413 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location thread0Err4ASSERT_VIOLATIONDATA_RACE (14 of 38 remaining) [2023-11-30 00:19:23,413 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location thread0Thread1of1ForFork5Err0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (13 of 38 remaining) [2023-11-30 00:19:23,413 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location thread0Thread1of1ForFork5Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 38 remaining) [2023-11-30 00:19:23,413 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location thread0Thread1of1ForFork5Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 38 remaining) [2023-11-30 00:19:23,414 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location thread0Thread1of1ForFork5Err8INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 38 remaining) [2023-11-30 00:19:23,414 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location thread0Thread1of1ForFork5Err10INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 38 remaining) [2023-11-30 00:19:23,414 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err0ASSERT_VIOLATIONDATA_RACE (8 of 38 remaining) [2023-11-30 00:19:23,414 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err0ASSERT_VIOLATIONDATA_RACE (7 of 38 remaining) [2023-11-30 00:19:23,414 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err1ASSERT_VIOLATIONDATA_RACE (6 of 38 remaining) [2023-11-30 00:19:23,414 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err0ASSERT_VIOLATIONDATA_RACE (5 of 38 remaining) [2023-11-30 00:19:23,414 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err1ASSERT_VIOLATIONDATA_RACE (4 of 38 remaining) [2023-11-30 00:19:23,414 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err0ASSERT_VIOLATIONDATA_RACE (3 of 38 remaining) [2023-11-30 00:19:23,415 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err1ASSERT_VIOLATIONDATA_RACE (2 of 38 remaining) [2023-11-30 00:19:23,415 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err0ASSERT_VIOLATIONDATA_RACE (1 of 38 remaining) [2023-11-30 00:19:23,415 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err1ASSERT_VIOLATIONDATA_RACE (0 of 38 remaining) [2023-11-30 00:19:23,415 INFO L457 BasicCegarLoop]: Path program histogram: [16, 1, 1, 1, 1] [2023-11-30 00:19:23,420 INFO L222 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-30 00:19:23,421 INFO L172 ceAbstractionStarter]: Computing trace abstraction results [2023-11-30 00:19:23,424 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 12:19:23 BasicIcfg [2023-11-30 00:19:23,424 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-30 00:19:23,425 INFO L158 Benchmark]: Toolchain (without parser) took 759592.38ms. Allocated memory was 343.9MB in the beginning and 15.3GB in the end (delta: 15.0GB). Free memory was 288.4MB in the beginning and 8.4GB in the end (delta: -8.1GB). Peak memory consumption was 7.4GB. Max. memory is 16.0GB. [2023-11-30 00:19:23,425 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 343.9MB. Free memory is still 294.1MB. There was no memory consumed. Max. memory is 16.0GB. [2023-11-30 00:19:23,425 INFO L158 Benchmark]: CACSL2BoogieTranslator took 591.78ms. Allocated memory is still 343.9MB. Free memory was 288.0MB in the beginning and 254.4MB in the end (delta: 33.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.0GB. [2023-11-30 00:19:23,425 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.31ms. Allocated memory is still 343.9MB. Free memory was 254.4MB in the beginning and 252.1MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-11-30 00:19:23,426 INFO L158 Benchmark]: Boogie Preprocessor took 36.08ms. Allocated memory is still 343.9MB. Free memory was 251.7MB in the beginning and 249.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-11-30 00:19:23,426 INFO L158 Benchmark]: RCFGBuilder took 501.02ms. Allocated memory was 343.9MB in the beginning and 549.5MB in the end (delta: 205.5MB). Free memory was 249.6MB in the beginning and 502.8MB in the end (delta: -253.2MB). Peak memory consumption was 20.1MB. Max. memory is 16.0GB. [2023-11-30 00:19:23,426 INFO L158 Benchmark]: TraceAbstraction took 758416.20ms. Allocated memory was 549.5MB in the beginning and 15.3GB in the end (delta: 14.8GB). Free memory was 502.8MB in the beginning and 8.4GB in the end (delta: -7.9GB). Peak memory consumption was 7.4GB. Max. memory is 16.0GB. [2023-11-30 00:19:23,441 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 343.9MB. Free memory is still 294.1MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 591.78ms. Allocated memory is still 343.9MB. Free memory was 288.0MB in the beginning and 254.4MB in the end (delta: 33.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 41.31ms. Allocated memory is still 343.9MB. Free memory was 254.4MB in the beginning and 252.1MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 36.08ms. Allocated memory is still 343.9MB. Free memory was 251.7MB in the beginning and 249.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 501.02ms. Allocated memory was 343.9MB in the beginning and 549.5MB in the end (delta: 205.5MB). Free memory was 249.6MB in the beginning and 502.8MB in the end (delta: -253.2MB). Peak memory consumption was 20.1MB. Max. memory is 16.0GB. * TraceAbstraction took 758416.20ms. Allocated memory was 549.5MB in the beginning and 15.3GB in the end (delta: 14.8GB). Free memory was 502.8MB in the beginning and 8.4GB in the end (delta: -7.9GB). Peak memory consumption was 7.4GB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 1163]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (12states, 132/275 universal loopers) in iteration 20,while PetriNetUnfolder was constructing finite prefix that currently has 1145398 conditions, 70335 events (37631/70334 cut-off events. For 947616/1140595 co-relation queries the response was YES. Maximal size of possible extension queue 3318. Compared 708744 event pairs, 10760 based on Foata normal form. 2252/70023 useless extension candidates. Maximal degree in co-relation 1145199. Up to 49423 conditions per place.). - TimeoutResultAtElement [Line: 1148]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (12states, 132/275 universal loopers) in iteration 20,while PetriNetUnfolder was constructing finite prefix that currently has 1145398 conditions, 70335 events (37631/70334 cut-off events. For 947616/1140595 co-relation queries the response was YES. Maximal size of possible extension queue 3318. Compared 708744 event pairs, 10760 based on Foata normal form. 2252/70023 useless extension candidates. Maximal degree in co-relation 1145199. Up to 49423 conditions per place.). - TimeoutResultAtElement [Line: 1153]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (12states, 132/275 universal loopers) in iteration 20,while PetriNetUnfolder was constructing finite prefix that currently has 1145398 conditions, 70335 events (37631/70334 cut-off events. For 947616/1140595 co-relation queries the response was YES. Maximal size of possible extension queue 3318. Compared 708744 event pairs, 10760 based on Foata normal form. 2252/70023 useless extension candidates. Maximal degree in co-relation 1145199. Up to 49423 conditions per place.). - TimeoutResultAtElement [Line: 1154]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (12states, 132/275 universal loopers) in iteration 20,while PetriNetUnfolder was constructing finite prefix that currently has 1145398 conditions, 70335 events (37631/70334 cut-off events. For 947616/1140595 co-relation queries the response was YES. Maximal size of possible extension queue 3318. Compared 708744 event pairs, 10760 based on Foata normal form. 2252/70023 useless extension candidates. Maximal degree in co-relation 1145199. Up to 49423 conditions per place.). - TimeoutResultAtElement [Line: 1155]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (12states, 132/275 universal loopers) in iteration 20,while PetriNetUnfolder was constructing finite prefix that currently has 1145398 conditions, 70335 events (37631/70334 cut-off events. For 947616/1140595 co-relation queries the response was YES. Maximal size of possible extension queue 3318. Compared 708744 event pairs, 10760 based on Foata normal form. 2252/70023 useless extension candidates. Maximal degree in co-relation 1145199. Up to 49423 conditions per place.). - TimeoutResultAtElement [Line: 1156]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (12states, 132/275 universal loopers) in iteration 20,while PetriNetUnfolder was constructing finite prefix that currently has 1145398 conditions, 70335 events (37631/70334 cut-off events. For 947616/1140595 co-relation queries the response was YES. Maximal size of possible extension queue 3318. Compared 708744 event pairs, 10760 based on Foata normal form. 2252/70023 useless extension candidates. Maximal degree in co-relation 1145199. Up to 49423 conditions per place.). - TimeoutResultAtElement [Line: 1149]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (12states, 132/275 universal loopers) in iteration 20,while PetriNetUnfolder was constructing finite prefix that currently has 1145398 conditions, 70335 events (37631/70334 cut-off events. For 947616/1140595 co-relation queries the response was YES. Maximal size of possible extension queue 3318. Compared 708744 event pairs, 10760 based on Foata normal form. 2252/70023 useless extension candidates. Maximal degree in co-relation 1145199. Up to 49423 conditions per place.). - TimeoutResultAtElement [Line: 1150]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (12states, 132/275 universal loopers) in iteration 20,while PetriNetUnfolder was constructing finite prefix that currently has 1145398 conditions, 70335 events (37631/70334 cut-off events. For 947616/1140595 co-relation queries the response was YES. Maximal size of possible extension queue 3318. Compared 708744 event pairs, 10760 based on Foata normal form. 2252/70023 useless extension candidates. Maximal degree in co-relation 1145199. Up to 49423 conditions per place.). - TimeoutResultAtElement [Line: 1147]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (12states, 132/275 universal loopers) in iteration 20,while PetriNetUnfolder was constructing finite prefix that currently has 1145398 conditions, 70335 events (37631/70334 cut-off events. For 947616/1140595 co-relation queries the response was YES. Maximal size of possible extension queue 3318. Compared 708744 event pairs, 10760 based on Foata normal form. 2252/70023 useless extension candidates. Maximal degree in co-relation 1145199. Up to 49423 conditions per place.). - TimeoutResultAtElement [Line: 1151]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (12states, 132/275 universal loopers) in iteration 20,while PetriNetUnfolder was constructing finite prefix that currently has 1145398 conditions, 70335 events (37631/70334 cut-off events. For 947616/1140595 co-relation queries the response was YES. Maximal size of possible extension queue 3318. Compared 708744 event pairs, 10760 based on Foata normal form. 2252/70023 useless extension candidates. Maximal degree in co-relation 1145199. Up to 49423 conditions per place.). - TimeoutResultAtElement [Line: 1152]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (12states, 132/275 universal loopers) in iteration 20,while PetriNetUnfolder was constructing finite prefix that currently has 1145398 conditions, 70335 events (37631/70334 cut-off events. For 947616/1140595 co-relation queries the response was YES. Maximal size of possible extension queue 3318. Compared 708744 event pairs, 10760 based on Foata normal form. 2252/70023 useless extension candidates. Maximal degree in co-relation 1145199. Up to 49423 conditions per place.). - TimeoutResultAtElement [Line: 1127]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (12states, 132/275 universal loopers) in iteration 20,while PetriNetUnfolder was constructing finite prefix that currently has 1145398 conditions, 70335 events (37631/70334 cut-off events. For 947616/1140595 co-relation queries the response was YES. Maximal size of possible extension queue 3318. Compared 708744 event pairs, 10760 based on Foata normal form. 2252/70023 useless extension candidates. Maximal degree in co-relation 1145199. Up to 49423 conditions per place.). - TimeoutResultAtElement [Line: 1133]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (12states, 132/275 universal loopers) in iteration 20,while PetriNetUnfolder was constructing finite prefix that currently has 1145398 conditions, 70335 events (37631/70334 cut-off events. For 947616/1140595 co-relation queries the response was YES. Maximal size of possible extension queue 3318. Compared 708744 event pairs, 10760 based on Foata normal form. 2252/70023 useless extension candidates. Maximal degree in co-relation 1145199. Up to 49423 conditions per place.). - TimeoutResultAtElement [Line: 1133]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (12states, 132/275 universal loopers) in iteration 20,while PetriNetUnfolder was constructing finite prefix that currently has 1145398 conditions, 70335 events (37631/70334 cut-off events. For 947616/1140595 co-relation queries the response was YES. Maximal size of possible extension queue 3318. Compared 708744 event pairs, 10760 based on Foata normal form. 2252/70023 useless extension candidates. Maximal degree in co-relation 1145199. Up to 49423 conditions per place.). - TimeoutResultAtElement [Line: 1140]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (12states, 132/275 universal loopers) in iteration 20,while PetriNetUnfolder was constructing finite prefix that currently has 1145398 conditions, 70335 events (37631/70334 cut-off events. For 947616/1140595 co-relation queries the response was YES. Maximal size of possible extension queue 3318. Compared 708744 event pairs, 10760 based on Foata normal form. 2252/70023 useless extension candidates. Maximal degree in co-relation 1145199. Up to 49423 conditions per place.). - TimeoutResultAtElement [Line: 1140]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (12states, 132/275 universal loopers) in iteration 20,while PetriNetUnfolder was constructing finite prefix that currently has 1145398 conditions, 70335 events (37631/70334 cut-off events. For 947616/1140595 co-relation queries the response was YES. Maximal size of possible extension queue 3318. Compared 708744 event pairs, 10760 based on Foata normal form. 2252/70023 useless extension candidates. Maximal degree in co-relation 1145199. Up to 49423 conditions per place.). - TimeoutResultAtElement [Line: 1164]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (12states, 132/275 universal loopers) in iteration 20,while PetriNetUnfolder was constructing finite prefix that currently has 1145398 conditions, 70335 events (37631/70334 cut-off events. For 947616/1140595 co-relation queries the response was YES. Maximal size of possible extension queue 3318. Compared 708744 event pairs, 10760 based on Foata normal form. 2252/70023 useless extension candidates. Maximal degree in co-relation 1145199. Up to 49423 conditions per place.). - TimeoutResultAtElement [Line: 1164]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (12states, 132/275 universal loopers) in iteration 20,while PetriNetUnfolder was constructing finite prefix that currently has 1145398 conditions, 70335 events (37631/70334 cut-off events. For 947616/1140595 co-relation queries the response was YES. Maximal size of possible extension queue 3318. Compared 708744 event pairs, 10760 based on Foata normal form. 2252/70023 useless extension candidates. Maximal degree in co-relation 1145199. Up to 49423 conditions per place.). - TimeoutResultAtElement [Line: 1162]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (12states, 132/275 universal loopers) in iteration 20,while PetriNetUnfolder was constructing finite prefix that currently has 1145398 conditions, 70335 events (37631/70334 cut-off events. For 947616/1140595 co-relation queries the response was YES. Maximal size of possible extension queue 3318. Compared 708744 event pairs, 10760 based on Foata normal form. 2252/70023 useless extension candidates. Maximal degree in co-relation 1145199. Up to 49423 conditions per place.). - TimeoutResultAtElement [Line: 1151]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (12states, 132/275 universal loopers) in iteration 20,while PetriNetUnfolder was constructing finite prefix that currently has 1145398 conditions, 70335 events (37631/70334 cut-off events. For 947616/1140595 co-relation queries the response was YES. Maximal size of possible extension queue 3318. Compared 708744 event pairs, 10760 based on Foata normal form. 2252/70023 useless extension candidates. Maximal degree in co-relation 1145199. Up to 49423 conditions per place.). - TimeoutResultAtElement [Line: 1149]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (12states, 132/275 universal loopers) in iteration 20,while PetriNetUnfolder was constructing finite prefix that currently has 1145398 conditions, 70335 events (37631/70334 cut-off events. For 947616/1140595 co-relation queries the response was YES. Maximal size of possible extension queue 3318. Compared 708744 event pairs, 10760 based on Foata normal form. 2252/70023 useless extension candidates. Maximal degree in co-relation 1145199. Up to 49423 conditions per place.). - TimeoutResultAtElement [Line: 1147]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (12states, 132/275 universal loopers) in iteration 20,while PetriNetUnfolder was constructing finite prefix that currently has 1145398 conditions, 70335 events (37631/70334 cut-off events. For 947616/1140595 co-relation queries the response was YES. Maximal size of possible extension queue 3318. Compared 708744 event pairs, 10760 based on Foata normal form. 2252/70023 useless extension candidates. Maximal degree in co-relation 1145199. Up to 49423 conditions per place.). - TimeoutResultAtElement [Line: 1152]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (12states, 132/275 universal loopers) in iteration 20,while PetriNetUnfolder was constructing finite prefix that currently has 1145398 conditions, 70335 events (37631/70334 cut-off events. For 947616/1140595 co-relation queries the response was YES. Maximal size of possible extension queue 3318. Compared 708744 event pairs, 10760 based on Foata normal form. 2252/70023 useless extension candidates. Maximal degree in co-relation 1145199. Up to 49423 conditions per place.). - TimeoutResultAtElement [Line: 1150]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (12states, 132/275 universal loopers) in iteration 20,while PetriNetUnfolder was constructing finite prefix that currently has 1145398 conditions, 70335 events (37631/70334 cut-off events. For 947616/1140595 co-relation queries the response was YES. Maximal size of possible extension queue 3318. Compared 708744 event pairs, 10760 based on Foata normal form. 2252/70023 useless extension candidates. Maximal degree in co-relation 1145199. Up to 49423 conditions per place.). - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 11 procedures, 317 locations, 38 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 758.2s, OverallIterations: 20, TraceHistogramMax: 1, PathProgramHistogramMax: 16, EmptinessCheckTime: 0.0s, AutomataDifference: 747.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5334 SdHoareTripleChecker+Valid, 19.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5334 mSDsluCounter, 2702 SdHoareTripleChecker+Invalid, 15.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1720 mSDsCounter, 2877 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 27797 IncrementalHoareTripleChecker+Invalid, 30674 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2877 mSolverCounterUnsat, 982 mSDtfsCounter, 27797 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 474 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 388 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1299 ImplicationChecksByTransitivity, 5.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=338792occurred in iteration=19, InterpolantAutomatonStates: 300, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 9.9s InterpolantComputationTime, 1070 NumberOfCodeBlocks, 1070 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 1050 ConstructedInterpolants, 0 QuantifiedInterpolants, 21330 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 20 InterpolantComputations, 20 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown