/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/lazy01.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.empire-owicki-175f719-m [2023-11-30 00:06:00,845 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-30 00:06:00,906 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 00:06:00,935 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-30 00:06:00,936 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-30 00:06:00,936 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-30 00:06:00,937 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-30 00:06:00,937 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-30 00:06:00,937 INFO L153 SettingsManager]: * Use SBE=true [2023-11-30 00:06:00,940 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-30 00:06:00,941 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-30 00:06:00,941 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-30 00:06:00,941 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-30 00:06:00,942 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-30 00:06:00,942 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-30 00:06:00,943 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-30 00:06:00,943 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-30 00:06:00,943 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-30 00:06:00,943 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-30 00:06:00,943 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-30 00:06:00,943 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-30 00:06:00,944 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-30 00:06:00,944 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-30 00:06:00,944 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-30 00:06:00,944 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-30 00:06:00,945 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 00:06:00,945 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-30 00:06:00,945 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-30 00:06:00,945 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-30 00:06:00,945 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-30 00:06:00,946 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-30 00:06:00,946 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-30 00:06:00,946 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-30 00:06:00,946 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2023-11-30 00:06:01,124 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-30 00:06:01,145 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-30 00:06:01,147 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-30 00:06:01,148 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-30 00:06:01,149 INFO L274 PluginConnector]: CDTParser initialized [2023-11-30 00:06:01,150 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/lazy01.i [2023-11-30 00:06:02,216 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-30 00:06:02,453 INFO L384 CDTParser]: Found 1 translation units. [2023-11-30 00:06:02,454 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/lazy01.i [2023-11-30 00:06:02,471 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c774ec20/ce2fcc8d0a6b43f48d6c11fd99b5ed40/FLAG974c8e520 [2023-11-30 00:06:02,483 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c774ec20/ce2fcc8d0a6b43f48d6c11fd99b5ed40 [2023-11-30 00:06:02,485 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-30 00:06:02,487 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-30 00:06:02,489 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-30 00:06:02,489 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-30 00:06:02,492 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-30 00:06:02,493 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:06:02" (1/1) ... [2023-11-30 00:06:02,494 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76394409 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:06:02, skipping insertion in model container [2023-11-30 00:06:02,494 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:06:02" (1/1) ... [2023-11-30 00:06:02,533 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-30 00:06:02,748 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 00:06:02,760 INFO L202 MainTranslator]: Completed pre-run [2023-11-30 00:06:02,808 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 00:06:02,840 INFO L206 MainTranslator]: Completed translation [2023-11-30 00:06:02,841 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:06:02 WrapperNode [2023-11-30 00:06:02,841 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-30 00:06:02,842 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-30 00:06:02,842 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-30 00:06:02,842 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-30 00:06:02,846 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:06:02" (1/1) ... [2023-11-30 00:06:02,870 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:06:02" (1/1) ... [2023-11-30 00:06:02,896 INFO L138 Inliner]: procedures = 170, calls = 37, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 94 [2023-11-30 00:06:02,896 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-30 00:06:02,896 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-30 00:06:02,897 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-30 00:06:02,897 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-30 00:06:02,902 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:06:02" (1/1) ... [2023-11-30 00:06:02,902 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:06:02" (1/1) ... [2023-11-30 00:06:02,919 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:06:02" (1/1) ... [2023-11-30 00:06:02,919 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:06:02" (1/1) ... [2023-11-30 00:06:02,923 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:06:02" (1/1) ... [2023-11-30 00:06:02,925 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:06:02" (1/1) ... [2023-11-30 00:06:02,926 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:06:02" (1/1) ... [2023-11-30 00:06:02,927 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:06:02" (1/1) ... [2023-11-30 00:06:02,929 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-30 00:06:02,929 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-30 00:06:02,930 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-30 00:06:02,930 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-30 00:06:02,930 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:06:02" (1/1) ... [2023-11-30 00:06:02,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 00:06:02,948 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-30 00:06:02,957 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 00:06:02,978 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 00:06:02,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-30 00:06:02,986 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-30 00:06:02,987 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-30 00:06:02,987 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-30 00:06:02,987 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-30 00:06:02,987 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-30 00:06:02,987 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-30 00:06:02,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-30 00:06:02,988 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-30 00:06:02,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-30 00:06:02,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-30 00:06:02,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-30 00:06:02,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-30 00:06:02,988 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-30 00:06:02,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-30 00:06:02,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-30 00:06:02,989 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 00:06:03,111 INFO L241 CfgBuilder]: Building ICFG [2023-11-30 00:06:03,113 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-30 00:06:03,283 INFO L282 CfgBuilder]: Performing block encoding [2023-11-30 00:06:03,320 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-30 00:06:03,321 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-30 00:06:03,322 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:06:03 BoogieIcfgContainer [2023-11-30 00:06:03,322 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-30 00:06:03,325 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-30 00:06:03,325 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-30 00:06:03,327 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-30 00:06:03,327 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 12:06:02" (1/3) ... [2023-11-30 00:06:03,328 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7aea1d99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:06:03, skipping insertion in model container [2023-11-30 00:06:03,328 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:06:02" (2/3) ... [2023-11-30 00:06:03,328 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7aea1d99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:06:03, skipping insertion in model container [2023-11-30 00:06:03,328 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:06:03" (3/3) ... [2023-11-30 00:06:03,329 INFO L112 eAbstractionObserver]: Analyzing ICFG lazy01.i [2023-11-30 00:06:03,344 INFO L197 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-30 00:06:03,345 INFO L156 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2023-11-30 00:06:03,345 INFO L508 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-30 00:06:03,440 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-11-30 00:06:03,481 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 139 places, 131 transitions, 283 flow [2023-11-30 00:06:03,519 INFO L124 PetriNetUnfolderBase]: 2/128 cut-off events. [2023-11-30 00:06:03,519 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-30 00:06:03,525 INFO L83 FinitePrefix]: Finished finitePrefix Result has 141 conditions, 128 events. 2/128 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 192 event pairs, 0 based on Foata normal form. 0/118 useless extension candidates. Maximal degree in co-relation 82. Up to 2 conditions per place. [2023-11-30 00:06:03,525 INFO L82 GeneralOperation]: Start removeDead. Operand has 139 places, 131 transitions, 283 flow [2023-11-30 00:06:03,528 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 124 places, 116 transitions, 247 flow [2023-11-30 00:06:03,534 INFO L361 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-30 00:06:03,546 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;@3bfaf988, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-30 00:06:03,547 INFO L363 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2023-11-30 00:06:03,554 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-30 00:06:03,554 INFO L124 PetriNetUnfolderBase]: 0/33 cut-off events. [2023-11-30 00:06:03,554 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-30 00:06:03,555 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 00:06:03,555 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] [2023-11-30 00:06:03,555 INFO L425 AbstractCegarLoop]: === Iteration 1 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2023-11-30 00:06:03,559 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 00:06:03,559 INFO L85 PathProgramCache]: Analyzing trace with hash 570574533, now seen corresponding path program 1 times [2023-11-30 00:06:03,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 00:06:03,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004393375] [2023-11-30 00:06:03,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 00:06:03,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 00:06:03,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 00:06:03,807 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 00:06:03,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 00:06:03,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004393375] [2023-11-30 00:06:03,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1004393375] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 00:06:03,809 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 00:06:03,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 00:06:03,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136918061] [2023-11-30 00:06:03,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 00:06:03,817 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 00:06:03,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 00:06:03,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 00:06:03,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 00:06:03,842 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 101 out of 131 [2023-11-30 00:06:03,844 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 116 transitions, 247 flow. Second operand has 3 states, 3 states have (on average 102.33333333333333) internal successors, (307), 3 states have internal predecessors, (307), 0 states have call successors, (0), 0 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 00:06:03,844 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 00:06:03,844 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 101 of 131 [2023-11-30 00:06:03,845 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 00:06:04,284 INFO L124 PetriNetUnfolderBase]: 1233/3414 cut-off events. [2023-11-30 00:06:04,284 INFO L125 PetriNetUnfolderBase]: For 385/400 co-relation queries the response was YES. [2023-11-30 00:06:04,296 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5766 conditions, 3414 events. 1233/3414 cut-off events. For 385/400 co-relation queries the response was YES. Maximal size of possible extension queue 177. Compared 29183 event pairs, 441 based on Foata normal form. 297/3207 useless extension candidates. Maximal degree in co-relation 4871. Up to 1039 conditions per place. [2023-11-30 00:06:04,312 INFO L140 encePairwiseOnDemand]: 118/131 looper letters, 40 selfloop transitions, 8 changer transitions 0/133 dead transitions. [2023-11-30 00:06:04,313 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 133 transitions, 389 flow [2023-11-30 00:06:04,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 00:06:04,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 00:06:04,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 358 transitions. [2023-11-30 00:06:04,327 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.910941475826972 [2023-11-30 00:06:04,327 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 358 transitions. [2023-11-30 00:06:04,328 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 358 transitions. [2023-11-30 00:06:04,330 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 00:06:04,332 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 358 transitions. [2023-11-30 00:06:04,336 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 119.33333333333333) internal successors, (358), 3 states have internal predecessors, (358), 0 states have call successors, (0), 0 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 00:06:04,340 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 131.0) internal successors, (524), 4 states have internal predecessors, (524), 0 states have call successors, (0), 0 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 00:06:04,341 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 131.0) internal successors, (524), 4 states have internal predecessors, (524), 0 states have call successors, (0), 0 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 00:06:04,344 INFO L307 CegarLoopForPetriNet]: 124 programPoint places, -1 predicate places. [2023-11-30 00:06:04,345 INFO L500 AbstractCegarLoop]: Abstraction has has 123 places, 133 transitions, 389 flow [2023-11-30 00:06:04,345 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 102.33333333333333) internal successors, (307), 3 states have internal predecessors, (307), 0 states have call successors, (0), 0 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 00:06:04,345 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 00:06:04,345 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] [2023-11-30 00:06:04,345 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-30 00:06:04,346 INFO L425 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2023-11-30 00:06:04,347 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 00:06:04,348 INFO L85 PathProgramCache]: Analyzing trace with hash -1522644955, now seen corresponding path program 1 times [2023-11-30 00:06:04,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 00:06:04,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282751102] [2023-11-30 00:06:04,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 00:06:04,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 00:06:04,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 00:06:04,411 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 00:06:04,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 00:06:04,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282751102] [2023-11-30 00:06:04,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [282751102] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 00:06:04,412 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 00:06:04,412 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 00:06:04,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679718731] [2023-11-30 00:06:04,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 00:06:04,413 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 00:06:04,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 00:06:04,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 00:06:04,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 00:06:04,415 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 99 out of 131 [2023-11-30 00:06:04,415 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 123 places, 133 transitions, 389 flow. Second operand has 3 states, 3 states have (on average 101.33333333333333) internal successors, (304), 3 states have internal predecessors, (304), 0 states have call successors, (0), 0 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 00:06:04,415 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 00:06:04,415 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 99 of 131 [2023-11-30 00:06:04,415 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 00:06:04,876 INFO L124 PetriNetUnfolderBase]: 1637/4366 cut-off events. [2023-11-30 00:06:04,876 INFO L125 PetriNetUnfolderBase]: For 1014/1543 co-relation queries the response was YES. [2023-11-30 00:06:04,885 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9917 conditions, 4366 events. 1637/4366 cut-off events. For 1014/1543 co-relation queries the response was YES. Maximal size of possible extension queue 232. Compared 38948 event pairs, 493 based on Foata normal form. 32/3846 useless extension candidates. Maximal degree in co-relation 8742. Up to 2250 conditions per place. [2023-11-30 00:06:04,906 INFO L140 encePairwiseOnDemand]: 124/131 looper letters, 69 selfloop transitions, 11 changer transitions 0/163 dead transitions. [2023-11-30 00:06:04,906 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 163 transitions, 676 flow [2023-11-30 00:06:04,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 00:06:04,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 00:06:04,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 343 transitions. [2023-11-30 00:06:04,908 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8727735368956743 [2023-11-30 00:06:04,909 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 343 transitions. [2023-11-30 00:06:04,909 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 343 transitions. [2023-11-30 00:06:04,909 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 00:06:04,909 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 343 transitions. [2023-11-30 00:06:04,910 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 114.33333333333333) internal successors, (343), 3 states have internal predecessors, (343), 0 states have call successors, (0), 0 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 00:06:04,912 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 131.0) internal successors, (524), 4 states have internal predecessors, (524), 0 states have call successors, (0), 0 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 00:06:04,912 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 131.0) internal successors, (524), 4 states have internal predecessors, (524), 0 states have call successors, (0), 0 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 00:06:04,913 INFO L307 CegarLoopForPetriNet]: 124 programPoint places, 1 predicate places. [2023-11-30 00:06:04,913 INFO L500 AbstractCegarLoop]: Abstraction has has 125 places, 163 transitions, 676 flow [2023-11-30 00:06:04,913 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 101.33333333333333) internal successors, (304), 3 states have internal predecessors, (304), 0 states have call successors, (0), 0 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 00:06:04,914 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 00:06:04,914 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] [2023-11-30 00:06:04,914 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-30 00:06:04,914 INFO L425 AbstractCegarLoop]: === Iteration 3 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2023-11-30 00:06:04,915 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 00:06:04,915 INFO L85 PathProgramCache]: Analyzing trace with hash -1140813010, now seen corresponding path program 1 times [2023-11-30 00:06:04,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 00:06:04,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353708200] [2023-11-30 00:06:04,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 00:06:04,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 00:06:04,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 00:06:04,977 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 00:06:04,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 00:06:04,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353708200] [2023-11-30 00:06:04,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [353708200] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 00:06:04,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 00:06:04,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 00:06:04,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141604803] [2023-11-30 00:06:04,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 00:06:04,978 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 00:06:04,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 00:06:04,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 00:06:04,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 00:06:04,979 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 99 out of 131 [2023-11-30 00:06:04,980 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 125 places, 163 transitions, 676 flow. Second operand has 3 states, 3 states have (on average 101.66666666666667) internal successors, (305), 3 states have internal predecessors, (305), 0 states have call successors, (0), 0 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 00:06:04,980 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 00:06:04,980 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 99 of 131 [2023-11-30 00:06:04,980 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 00:06:05,557 INFO L124 PetriNetUnfolderBase]: 2165/5997 cut-off events. [2023-11-30 00:06:05,557 INFO L125 PetriNetUnfolderBase]: For 3270/17933 co-relation queries the response was YES. [2023-11-30 00:06:05,571 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15991 conditions, 5997 events. 2165/5997 cut-off events. For 3270/17933 co-relation queries the response was YES. Maximal size of possible extension queue 292. Compared 56948 event pairs, 525 based on Foata normal form. 48/5453 useless extension candidates. Maximal degree in co-relation 15733. Up to 2665 conditions per place. [2023-11-30 00:06:05,612 INFO L140 encePairwiseOnDemand]: 124/131 looper letters, 106 selfloop transitions, 16 changer transitions 0/206 dead transitions. [2023-11-30 00:06:05,613 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 127 places, 206 transitions, 1189 flow [2023-11-30 00:06:05,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 00:06:05,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 00:06:05,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 343 transitions. [2023-11-30 00:06:05,615 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8727735368956743 [2023-11-30 00:06:05,615 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 343 transitions. [2023-11-30 00:06:05,615 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 343 transitions. [2023-11-30 00:06:05,615 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 00:06:05,615 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 343 transitions. [2023-11-30 00:06:05,616 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 114.33333333333333) internal successors, (343), 3 states have internal predecessors, (343), 0 states have call successors, (0), 0 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 00:06:05,617 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 131.0) internal successors, (524), 4 states have internal predecessors, (524), 0 states have call successors, (0), 0 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 00:06:05,618 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 131.0) internal successors, (524), 4 states have internal predecessors, (524), 0 states have call successors, (0), 0 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 00:06:05,619 INFO L307 CegarLoopForPetriNet]: 124 programPoint places, 3 predicate places. [2023-11-30 00:06:05,620 INFO L500 AbstractCegarLoop]: Abstraction has has 127 places, 206 transitions, 1189 flow [2023-11-30 00:06:05,620 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 101.66666666666667) internal successors, (305), 3 states have internal predecessors, (305), 0 states have call successors, (0), 0 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 00:06:05,620 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 00:06:05,621 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] [2023-11-30 00:06:05,621 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-30 00:06:05,621 INFO L425 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2023-11-30 00:06:05,621 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 00:06:05,622 INFO L85 PathProgramCache]: Analyzing trace with hash 1588260501, now seen corresponding path program 1 times [2023-11-30 00:06:05,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 00:06:05,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675979447] [2023-11-30 00:06:05,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 00:06:05,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 00:06:05,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 00:06:05,768 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 00:06:05,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 00:06:05,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1675979447] [2023-11-30 00:06:05,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1675979447] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 00:06:05,769 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 00:06:05,769 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-30 00:06:05,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978890899] [2023-11-30 00:06:05,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 00:06:05,773 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 00:06:05,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 00:06:05,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 00:06:05,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 00:06:05,775 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 131 [2023-11-30 00:06:05,776 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 127 places, 206 transitions, 1189 flow. Second operand has 3 states, 3 states have (on average 112.66666666666667) internal successors, (338), 3 states have internal predecessors, (338), 0 states have call successors, (0), 0 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 00:06:05,776 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 00:06:05,776 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 131 [2023-11-30 00:06:05,776 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 00:06:05,847 INFO L124 PetriNetUnfolderBase]: 74/471 cut-off events. [2023-11-30 00:06:05,847 INFO L125 PetriNetUnfolderBase]: For 1062/1224 co-relation queries the response was YES. [2023-11-30 00:06:05,848 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1352 conditions, 471 events. 74/471 cut-off events. For 1062/1224 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 2783 event pairs, 14 based on Foata normal form. 93/545 useless extension candidates. Maximal degree in co-relation 919. Up to 194 conditions per place. [2023-11-30 00:06:05,850 INFO L140 encePairwiseOnDemand]: 125/131 looper letters, 26 selfloop transitions, 8 changer transitions 1/124 dead transitions. [2023-11-30 00:06:05,850 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 124 places, 124 transitions, 615 flow [2023-11-30 00:06:05,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 00:06:05,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 00:06:05,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 352 transitions. [2023-11-30 00:06:05,851 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8956743002544529 [2023-11-30 00:06:05,851 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 352 transitions. [2023-11-30 00:06:05,852 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 352 transitions. [2023-11-30 00:06:05,852 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 00:06:05,852 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 352 transitions. [2023-11-30 00:06:05,853 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 117.33333333333333) internal successors, (352), 3 states have internal predecessors, (352), 0 states have call successors, (0), 0 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 00:06:05,854 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 131.0) internal successors, (524), 4 states have internal predecessors, (524), 0 states have call successors, (0), 0 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 00:06:05,854 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 131.0) internal successors, (524), 4 states have internal predecessors, (524), 0 states have call successors, (0), 0 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 00:06:05,855 INFO L307 CegarLoopForPetriNet]: 124 programPoint places, 0 predicate places. [2023-11-30 00:06:05,855 INFO L500 AbstractCegarLoop]: Abstraction has has 124 places, 124 transitions, 615 flow [2023-11-30 00:06:05,856 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 112.66666666666667) internal successors, (338), 3 states have internal predecessors, (338), 0 states have call successors, (0), 0 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 00:06:05,856 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 00:06:05,856 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] [2023-11-30 00:06:05,856 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-30 00:06:05,856 INFO L425 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2023-11-30 00:06:05,857 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 00:06:05,857 INFO L85 PathProgramCache]: Analyzing trace with hash 1027709792, now seen corresponding path program 1 times [2023-11-30 00:06:05,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 00:06:05,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9356354] [2023-11-30 00:06:05,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 00:06:05,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 00:06:05,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 00:06:06,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 00:06:06,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 00:06:06,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9356354] [2023-11-30 00:06:06,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [9356354] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 00:06:06,160 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 00:06:06,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 00:06:06,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434184438] [2023-11-30 00:06:06,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 00:06:06,160 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-30 00:06:06,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 00:06:06,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-30 00:06:06,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-30 00:06:06,162 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 91 out of 131 [2023-11-30 00:06:06,163 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 124 transitions, 615 flow. Second operand has 6 states, 6 states have (on average 93.0) internal successors, (558), 6 states have internal predecessors, (558), 0 states have call successors, (0), 0 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 00:06:06,163 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 00:06:06,163 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 91 of 131 [2023-11-30 00:06:06,163 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 00:06:06,339 INFO L124 PetriNetUnfolderBase]: 298/953 cut-off events. [2023-11-30 00:06:06,339 INFO L125 PetriNetUnfolderBase]: For 4165/4788 co-relation queries the response was YES. [2023-11-30 00:06:06,341 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3384 conditions, 953 events. 298/953 cut-off events. For 4165/4788 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 6235 event pairs, 33 based on Foata normal form. 12/906 useless extension candidates. Maximal degree in co-relation 2335. Up to 436 conditions per place. [2023-11-30 00:06:06,344 INFO L140 encePairwiseOnDemand]: 126/131 looper letters, 75 selfloop transitions, 4 changer transitions 1/155 dead transitions. [2023-11-30 00:06:06,344 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 155 transitions, 1093 flow [2023-11-30 00:06:06,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-30 00:06:06,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-30 00:06:06,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 603 transitions. [2023-11-30 00:06:06,345 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.767175572519084 [2023-11-30 00:06:06,345 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 603 transitions. [2023-11-30 00:06:06,345 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 603 transitions. [2023-11-30 00:06:06,346 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 00:06:06,346 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 603 transitions. [2023-11-30 00:06:06,347 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 100.5) internal successors, (603), 6 states have internal predecessors, (603), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:06:06,348 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 131.0) internal successors, (917), 7 states have internal predecessors, (917), 0 states have call successors, (0), 0 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 00:06:06,349 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 131.0) internal successors, (917), 7 states have internal predecessors, (917), 0 states have call successors, (0), 0 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 00:06:06,350 INFO L307 CegarLoopForPetriNet]: 124 programPoint places, 4 predicate places. [2023-11-30 00:06:06,350 INFO L500 AbstractCegarLoop]: Abstraction has has 128 places, 155 transitions, 1093 flow [2023-11-30 00:06:06,351 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 93.0) internal successors, (558), 6 states have internal predecessors, (558), 0 states have call successors, (0), 0 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 00:06:06,351 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 00:06:06,351 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 00:06:06,351 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-30 00:06:06,351 INFO L425 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2023-11-30 00:06:06,352 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 00:06:06,352 INFO L85 PathProgramCache]: Analyzing trace with hash -1300582151, now seen corresponding path program 1 times [2023-11-30 00:06:06,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 00:06:06,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829298693] [2023-11-30 00:06:06,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 00:06:06,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 00:06:06,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 00:06:06,677 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 00:06:06,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 00:06:06,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829298693] [2023-11-30 00:06:06,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1829298693] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 00:06:06,682 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 00:06:06,682 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 00:06:06,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306557390] [2023-11-30 00:06:06,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 00:06:06,683 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-30 00:06:06,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 00:06:06,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-30 00:06:06,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-30 00:06:06,685 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 91 out of 131 [2023-11-30 00:06:06,686 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 128 places, 155 transitions, 1093 flow. Second operand has 6 states, 6 states have (on average 94.33333333333333) internal successors, (566), 6 states have internal predecessors, (566), 0 states have call successors, (0), 0 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 00:06:06,686 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 00:06:06,686 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 91 of 131 [2023-11-30 00:06:06,686 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 00:06:06,860 INFO L124 PetriNetUnfolderBase]: 300/980 cut-off events. [2023-11-30 00:06:06,860 INFO L125 PetriNetUnfolderBase]: For 4823/5800 co-relation queries the response was YES. [2023-11-30 00:06:06,862 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4030 conditions, 980 events. 300/980 cut-off events. For 4823/5800 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 6408 event pairs, 42 based on Foata normal form. 0/936 useless extension candidates. Maximal degree in co-relation 2777. Up to 442 conditions per place. [2023-11-30 00:06:06,866 INFO L140 encePairwiseOnDemand]: 126/131 looper letters, 95 selfloop transitions, 4 changer transitions 0/174 dead transitions. [2023-11-30 00:06:06,867 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 132 places, 174 transitions, 1527 flow [2023-11-30 00:06:06,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-30 00:06:06,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-30 00:06:06,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 594 transitions. [2023-11-30 00:06:06,869 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7557251908396947 [2023-11-30 00:06:06,869 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 594 transitions. [2023-11-30 00:06:06,869 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 594 transitions. [2023-11-30 00:06:06,869 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 00:06:06,869 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 594 transitions. [2023-11-30 00:06:06,871 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 99.0) internal successors, (594), 6 states have internal predecessors, (594), 0 states have call successors, (0), 0 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 00:06:06,872 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 131.0) internal successors, (917), 7 states have internal predecessors, (917), 0 states have call successors, (0), 0 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 00:06:06,872 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 131.0) internal successors, (917), 7 states have internal predecessors, (917), 0 states have call successors, (0), 0 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 00:06:06,874 INFO L307 CegarLoopForPetriNet]: 124 programPoint places, 8 predicate places. [2023-11-30 00:06:06,874 INFO L500 AbstractCegarLoop]: Abstraction has has 132 places, 174 transitions, 1527 flow [2023-11-30 00:06:06,875 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 94.33333333333333) internal successors, (566), 6 states have internal predecessors, (566), 0 states have call successors, (0), 0 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 00:06:06,875 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 00:06:06,875 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, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:06:06,875 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-30 00:06:06,875 INFO L425 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2023-11-30 00:06:06,875 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 00:06:06,876 INFO L85 PathProgramCache]: Analyzing trace with hash -707646029, now seen corresponding path program 1 times [2023-11-30 00:06:06,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 00:06:06,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319495617] [2023-11-30 00:06:06,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 00:06:06,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 00:06:06,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 00:06:07,257 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 00:06:07,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 00:06:07,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319495617] [2023-11-30 00:06:07,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [319495617] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 00:06:07,257 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 00:06:07,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 00:06:07,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885180155] [2023-11-30 00:06:07,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 00:06:07,261 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-30 00:06:07,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 00:06:07,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-30 00:06:07,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-30 00:06:07,262 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 91 out of 131 [2023-11-30 00:06:07,262 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 132 places, 174 transitions, 1527 flow. Second operand has 6 states, 6 states have (on average 95.66666666666667) internal successors, (574), 6 states have internal predecessors, (574), 0 states have call successors, (0), 0 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 00:06:07,263 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 00:06:07,263 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 91 of 131 [2023-11-30 00:06:07,263 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 00:06:07,405 INFO L124 PetriNetUnfolderBase]: 308/1091 cut-off events. [2023-11-30 00:06:07,405 INFO L125 PetriNetUnfolderBase]: For 5782/8104 co-relation queries the response was YES. [2023-11-30 00:06:07,408 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4899 conditions, 1091 events. 308/1091 cut-off events. For 5782/8104 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 7104 event pairs, 51 based on Foata normal form. 0/1049 useless extension candidates. Maximal degree in co-relation 3409. Up to 555 conditions per place. [2023-11-30 00:06:07,409 INFO L140 encePairwiseOnDemand]: 126/131 looper letters, 0 selfloop transitions, 0 changer transitions 181/181 dead transitions. [2023-11-30 00:06:07,410 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 136 places, 181 transitions, 1845 flow [2023-11-30 00:06:07,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-30 00:06:07,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-30 00:06:07,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 585 transitions. [2023-11-30 00:06:07,412 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7442748091603053 [2023-11-30 00:06:07,412 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 585 transitions. [2023-11-30 00:06:07,412 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 585 transitions. [2023-11-30 00:06:07,412 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 00:06:07,412 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 585 transitions. [2023-11-30 00:06:07,413 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 97.5) internal successors, (585), 6 states have internal predecessors, (585), 0 states have call successors, (0), 0 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 00:06:07,415 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 131.0) internal successors, (917), 7 states have internal predecessors, (917), 0 states have call successors, (0), 0 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 00:06:07,415 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 131.0) internal successors, (917), 7 states have internal predecessors, (917), 0 states have call successors, (0), 0 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 00:06:07,416 INFO L307 CegarLoopForPetriNet]: 124 programPoint places, 12 predicate places. [2023-11-30 00:06:07,416 INFO L500 AbstractCegarLoop]: Abstraction has has 136 places, 181 transitions, 1845 flow [2023-11-30 00:06:07,417 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 95.66666666666667) internal successors, (574), 6 states have internal predecessors, (574), 0 states have call successors, (0), 0 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 00:06:07,421 INFO L143 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/lazy01.i_BEv2_AllErrorsAtOnce [2023-11-30 00:06:07,457 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (15 of 16 remaining) [2023-11-30 00:06:07,458 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (14 of 16 remaining) [2023-11-30 00:06:07,458 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (13 of 16 remaining) [2023-11-30 00:06:07,458 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (12 of 16 remaining) [2023-11-30 00:06:07,458 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (11 of 16 remaining) [2023-11-30 00:06:07,458 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (10 of 16 remaining) [2023-11-30 00:06:07,459 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (9 of 16 remaining) [2023-11-30 00:06:07,459 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (8 of 16 remaining) [2023-11-30 00:06:07,459 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 16 remaining) [2023-11-30 00:06:07,459 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 16 remaining) [2023-11-30 00:06:07,459 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 16 remaining) [2023-11-30 00:06:07,459 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (4 of 16 remaining) [2023-11-30 00:06:07,459 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (3 of 16 remaining) [2023-11-30 00:06:07,459 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (2 of 16 remaining) [2023-11-30 00:06:07,460 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (1 of 16 remaining) [2023-11-30 00:06:07,460 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (0 of 16 remaining) [2023-11-30 00:06:07,460 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-30 00:06:07,461 INFO L457 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2023-11-30 00:06:07,464 INFO L222 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-30 00:06:07,464 INFO L172 ceAbstractionStarter]: Computing trace abstraction results [2023-11-30 00:06:07,470 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 12:06:07 BasicIcfg [2023-11-30 00:06:07,470 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-30 00:06:07,471 INFO L158 Benchmark]: Toolchain (without parser) took 4984.09ms. Allocated memory was 553.6MB in the beginning and 799.0MB in the end (delta: 245.4MB). Free memory was 501.8MB in the beginning and 628.5MB in the end (delta: -126.7MB). Peak memory consumption was 120.7MB. Max. memory is 16.0GB. [2023-11-30 00:06:07,471 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 369.1MB. Free memory was 317.3MB in the beginning and 317.1MB in the end (delta: 140.1kB). There was no memory consumed. Max. memory is 16.0GB. [2023-11-30 00:06:07,471 INFO L158 Benchmark]: CACSL2BoogieTranslator took 352.25ms. Allocated memory is still 553.6MB. Free memory was 501.4MB in the beginning and 481.4MB in the end (delta: 20.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. [2023-11-30 00:06:07,471 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.31ms. Allocated memory is still 553.6MB. Free memory was 481.4MB in the beginning and 479.3MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-11-30 00:06:07,471 INFO L158 Benchmark]: Boogie Preprocessor took 32.50ms. Allocated memory is still 553.6MB. Free memory was 478.9MB in the beginning and 477.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-11-30 00:06:07,471 INFO L158 Benchmark]: RCFGBuilder took 392.89ms. Allocated memory is still 553.6MB. Free memory was 477.3MB in the beginning and 458.7MB in the end (delta: 18.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. [2023-11-30 00:06:07,472 INFO L158 Benchmark]: TraceAbstraction took 4145.21ms. Allocated memory was 553.6MB in the beginning and 799.0MB in the end (delta: 245.4MB). Free memory was 458.0MB in the beginning and 628.5MB in the end (delta: -170.5MB). Peak memory consumption was 76.7MB. Max. memory is 16.0GB. [2023-11-30 00:06:07,474 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 369.1MB. Free memory was 317.3MB in the beginning and 317.1MB in the end (delta: 140.1kB). There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 352.25ms. Allocated memory is still 553.6MB. Free memory was 501.4MB in the beginning and 481.4MB in the end (delta: 20.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 54.31ms. Allocated memory is still 553.6MB. Free memory was 481.4MB in the beginning and 479.3MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 32.50ms. Allocated memory is still 553.6MB. Free memory was 478.9MB in the beginning and 477.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 392.89ms. Allocated memory is still 553.6MB. Free memory was 477.3MB in the beginning and 458.7MB in the end (delta: 18.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. * TraceAbstraction took 4145.21ms. Allocated memory was 553.6MB in the beginning and 799.0MB in the end (delta: 245.4MB). Free memory was 458.0MB in the beginning and 628.5MB in the end (delta: -170.5MB). Peak memory consumption was 76.7MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 707]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 707]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 714]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 714]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 721]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 735]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 736]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 737]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 187 locations, 16 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 4.0s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 121 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 121 mSDsluCounter, 87 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 41 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 525 IncrementalHoareTripleChecker+Invalid, 566 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 41 mSolverCounterUnsat, 87 mSDtfsCounter, 525 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 27 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1845occurred in iteration=7, InterpolantAutomatonStates: 30, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 347 NumberOfCodeBlocks, 347 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 340 ConstructedInterpolants, 0 QuantifiedInterpolants, 601 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-30 00:06:07,491 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...