/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/weaver/mult-comm.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.empire-owicki-175f719-m [2023-11-30 03:01:18,276 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-30 03:01:18,344 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 03:01:18,369 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-30 03:01:18,370 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-30 03:01:18,370 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-30 03:01:18,370 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-30 03:01:18,371 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-30 03:01:18,371 INFO L153 SettingsManager]: * Use SBE=true [2023-11-30 03:01:18,375 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-30 03:01:18,375 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-30 03:01:18,375 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-30 03:01:18,375 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-30 03:01:18,376 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-30 03:01:18,376 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-30 03:01:18,377 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-30 03:01:18,377 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-30 03:01:18,377 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-30 03:01:18,377 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-30 03:01:18,377 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-30 03:01:18,377 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-30 03:01:18,378 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-30 03:01:18,378 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-30 03:01:18,378 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-30 03:01:18,378 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-30 03:01:18,379 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 03:01:18,380 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-30 03:01:18,380 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-30 03:01:18,380 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-30 03:01:18,380 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-30 03:01:18,381 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-30 03:01:18,381 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-30 03:01:18,381 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-30 03:01:18,381 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2023-11-30 03:01:18,520 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-30 03:01:18,536 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-30 03:01:18,538 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-30 03:01:18,539 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-30 03:01:18,539 INFO L274 PluginConnector]: CDTParser initialized [2023-11-30 03:01:18,540 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/mult-comm.wvr.c [2023-11-30 03:01:19,528 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-30 03:01:19,679 INFO L384 CDTParser]: Found 1 translation units. [2023-11-30 03:01:19,679 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/mult-comm.wvr.c [2023-11-30 03:01:19,684 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a3fde532/1281be88e353486db70c0f7f79beb42e/FLAGf1e28d672 [2023-11-30 03:01:19,694 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a3fde532/1281be88e353486db70c0f7f79beb42e [2023-11-30 03:01:19,696 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-30 03:01:19,697 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-30 03:01:19,697 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-30 03:01:19,697 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-30 03:01:19,700 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-30 03:01:19,701 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 03:01:19" (1/1) ... [2023-11-30 03:01:19,701 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13ab2aed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:01:19, skipping insertion in model container [2023-11-30 03:01:19,702 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 03:01:19" (1/1) ... [2023-11-30 03:01:19,716 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-30 03:01:19,832 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 03:01:19,849 INFO L202 MainTranslator]: Completed pre-run [2023-11-30 03:01:19,870 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 03:01:19,880 INFO L206 MainTranslator]: Completed translation [2023-11-30 03:01:19,880 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:01:19 WrapperNode [2023-11-30 03:01:19,880 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-30 03:01:19,881 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-30 03:01:19,881 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-30 03:01:19,881 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-30 03:01:19,885 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:01:19" (1/1) ... [2023-11-30 03:01:19,896 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:01:19" (1/1) ... [2023-11-30 03:01:19,920 INFO L138 Inliner]: procedures = 21, calls = 20, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 77 [2023-11-30 03:01:19,920 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-30 03:01:19,921 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-30 03:01:19,921 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-30 03:01:19,921 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-30 03:01:19,927 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:01:19" (1/1) ... [2023-11-30 03:01:19,927 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:01:19" (1/1) ... [2023-11-30 03:01:19,929 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:01:19" (1/1) ... [2023-11-30 03:01:19,929 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:01:19" (1/1) ... [2023-11-30 03:01:19,933 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:01:19" (1/1) ... [2023-11-30 03:01:19,936 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:01:19" (1/1) ... [2023-11-30 03:01:19,937 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:01:19" (1/1) ... [2023-11-30 03:01:19,937 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:01:19" (1/1) ... [2023-11-30 03:01:19,945 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-30 03:01:19,945 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-30 03:01:19,946 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-30 03:01:19,946 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-30 03:01:19,946 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:01:19" (1/1) ... [2023-11-30 03:01:19,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 03:01:19,958 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-30 03:01:19,973 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 03:01:19,975 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 03:01:19,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-30 03:01:19,994 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-30 03:01:19,994 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-30 03:01:19,994 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-30 03:01:19,994 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-30 03:01:19,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-30 03:01:19,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-30 03:01:19,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-30 03:01:19,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-30 03:01:19,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-30 03:01:19,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-30 03:01:19,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-30 03:01:19,996 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 03:01:20,080 INFO L241 CfgBuilder]: Building ICFG [2023-11-30 03:01:20,081 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-30 03:01:20,246 INFO L282 CfgBuilder]: Performing block encoding [2023-11-30 03:01:20,258 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-30 03:01:20,258 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-30 03:01:20,259 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 03:01:20 BoogieIcfgContainer [2023-11-30 03:01:20,259 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-30 03:01:20,261 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-30 03:01:20,261 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-30 03:01:20,263 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-30 03:01:20,263 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 03:01:19" (1/3) ... [2023-11-30 03:01:20,264 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2501246 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 03:01:20, skipping insertion in model container [2023-11-30 03:01:20,264 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:01:19" (2/3) ... [2023-11-30 03:01:20,264 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2501246 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 03:01:20, skipping insertion in model container [2023-11-30 03:01:20,264 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 03:01:20" (3/3) ... [2023-11-30 03:01:20,265 INFO L112 eAbstractionObserver]: Analyzing ICFG mult-comm.wvr.c [2023-11-30 03:01:20,276 INFO L197 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-30 03:01:20,276 INFO L156 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2023-11-30 03:01:20,276 INFO L508 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-30 03:01:20,365 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-30 03:01:20,399 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 142 places, 140 transitions, 294 flow [2023-11-30 03:01:20,458 INFO L124 PetriNetUnfolderBase]: 5/138 cut-off events. [2023-11-30 03:01:20,458 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-30 03:01:20,464 INFO L83 FinitePrefix]: Finished finitePrefix Result has 147 conditions, 138 events. 5/138 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 170 event pairs, 0 based on Foata normal form. 0/119 useless extension candidates. Maximal degree in co-relation 71. Up to 2 conditions per place. [2023-11-30 03:01:20,464 INFO L82 GeneralOperation]: Start removeDead. Operand has 142 places, 140 transitions, 294 flow [2023-11-30 03:01:20,468 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 120 places, 117 transitions, 246 flow [2023-11-30 03:01:20,474 INFO L361 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-30 03:01:20,479 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;@3b491069, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-30 03:01:20,479 INFO L363 AbstractCegarLoop]: Starting to check reachability of 24 error locations. [2023-11-30 03:01:20,482 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-30 03:01:20,482 INFO L124 PetriNetUnfolderBase]: 0/18 cut-off events. [2023-11-30 03:01:20,483 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-30 03:01:20,483 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 03:01:20,483 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 03:01:20,483 INFO L425 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2023-11-30 03:01:20,486 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 03:01:20,487 INFO L85 PathProgramCache]: Analyzing trace with hash 102429039, now seen corresponding path program 1 times [2023-11-30 03:01:20,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 03:01:20,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735225019] [2023-11-30 03:01:20,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 03:01:20,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 03:01:20,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 03:01:20,605 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 03:01:20,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 03:01:20,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1735225019] [2023-11-30 03:01:20,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1735225019] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 03:01:20,607 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 03:01:20,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 03:01:20,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287775410] [2023-11-30 03:01:20,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 03:01:20,614 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 03:01:20,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 03:01:20,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 03:01:20,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 03:01:20,635 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 119 out of 140 [2023-11-30 03:01:20,637 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 120 places, 117 transitions, 246 flow. Second operand has 3 states, 3 states have (on average 120.33333333333333) internal successors, (361), 3 states have internal predecessors, (361), 0 states have call successors, (0), 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 03:01:20,638 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 03:01:20,638 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 119 of 140 [2023-11-30 03:01:20,638 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 03:01:20,725 INFO L124 PetriNetUnfolderBase]: 29/286 cut-off events. [2023-11-30 03:01:20,725 INFO L125 PetriNetUnfolderBase]: For 32/32 co-relation queries the response was YES. [2023-11-30 03:01:20,727 INFO L83 FinitePrefix]: Finished finitePrefix Result has 365 conditions, 286 events. 29/286 cut-off events. For 32/32 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1248 event pairs, 15 based on Foata normal form. 7/236 useless extension candidates. Maximal degree in co-relation 251. Up to 55 conditions per place. [2023-11-30 03:01:20,731 INFO L140 encePairwiseOnDemand]: 135/140 looper letters, 13 selfloop transitions, 2 changer transitions 0/114 dead transitions. [2023-11-30 03:01:20,731 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 121 places, 114 transitions, 270 flow [2023-11-30 03:01:20,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 03:01:20,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 03:01:20,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 375 transitions. [2023-11-30 03:01:20,745 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8928571428571429 [2023-11-30 03:01:20,746 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 375 transitions. [2023-11-30 03:01:20,746 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 375 transitions. [2023-11-30 03:01:20,748 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 03:01:20,750 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 375 transitions. [2023-11-30 03:01:20,753 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 125.0) internal successors, (375), 3 states have internal predecessors, (375), 0 states have call successors, (0), 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 03:01:20,757 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 140.0) internal successors, (560), 4 states have internal predecessors, (560), 0 states have call successors, (0), 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 03:01:20,757 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 140.0) internal successors, (560), 4 states have internal predecessors, (560), 0 states have call successors, (0), 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 03:01:20,765 INFO L307 CegarLoopForPetriNet]: 120 programPoint places, 1 predicate places. [2023-11-30 03:01:20,765 INFO L500 AbstractCegarLoop]: Abstraction has has 121 places, 114 transitions, 270 flow [2023-11-30 03:01:20,765 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 120.33333333333333) internal successors, (361), 3 states have internal predecessors, (361), 0 states have call successors, (0), 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 03:01:20,766 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 03:01:20,766 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] [2023-11-30 03:01:20,766 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-30 03:01:20,766 INFO L425 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2023-11-30 03:01:20,766 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 03:01:20,767 INFO L85 PathProgramCache]: Analyzing trace with hash -1298864307, now seen corresponding path program 1 times [2023-11-30 03:01:20,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 03:01:20,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432947077] [2023-11-30 03:01:20,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 03:01:20,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 03:01:20,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 03:01:20,831 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 03:01:20,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 03:01:20,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432947077] [2023-11-30 03:01:20,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [432947077] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 03:01:20,832 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 03:01:20,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 03:01:20,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611093780] [2023-11-30 03:01:20,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 03:01:20,833 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 03:01:20,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 03:01:20,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 03:01:20,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 03:01:20,835 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 119 out of 140 [2023-11-30 03:01:20,836 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 121 places, 114 transitions, 270 flow. Second operand has 3 states, 3 states have (on average 120.33333333333333) internal successors, (361), 3 states have internal predecessors, (361), 0 states have call successors, (0), 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 03:01:20,836 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 03:01:20,836 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 119 of 140 [2023-11-30 03:01:20,836 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 03:01:20,905 INFO L124 PetriNetUnfolderBase]: 52/339 cut-off events. [2023-11-30 03:01:20,905 INFO L125 PetriNetUnfolderBase]: For 105/121 co-relation queries the response was YES. [2023-11-30 03:01:20,909 INFO L83 FinitePrefix]: Finished finitePrefix Result has 508 conditions, 339 events. 52/339 cut-off events. For 105/121 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1656 event pairs, 33 based on Foata normal form. 0/262 useless extension candidates. Maximal degree in co-relation 378. Up to 72 conditions per place. [2023-11-30 03:01:20,911 INFO L140 encePairwiseOnDemand]: 137/140 looper letters, 13 selfloop transitions, 2 changer transitions 0/113 dead transitions. [2023-11-30 03:01:20,911 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 122 places, 113 transitions, 298 flow [2023-11-30 03:01:20,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 03:01:20,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 03:01:20,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 373 transitions. [2023-11-30 03:01:20,914 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.888095238095238 [2023-11-30 03:01:20,914 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 373 transitions. [2023-11-30 03:01:20,914 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 373 transitions. [2023-11-30 03:01:20,914 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 03:01:20,915 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 373 transitions. [2023-11-30 03:01:20,915 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 124.33333333333333) internal successors, (373), 3 states have internal predecessors, (373), 0 states have call successors, (0), 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 03:01:20,918 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 140.0) internal successors, (560), 4 states have internal predecessors, (560), 0 states have call successors, (0), 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 03:01:20,918 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 140.0) internal successors, (560), 4 states have internal predecessors, (560), 0 states have call successors, (0), 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 03:01:20,919 INFO L307 CegarLoopForPetriNet]: 120 programPoint places, 2 predicate places. [2023-11-30 03:01:20,919 INFO L500 AbstractCegarLoop]: Abstraction has has 122 places, 113 transitions, 298 flow [2023-11-30 03:01:20,919 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 120.33333333333333) internal successors, (361), 3 states have internal predecessors, (361), 0 states have call successors, (0), 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 03:01:20,919 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 03:01:20,919 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] [2023-11-30 03:01:20,920 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-30 03:01:20,920 INFO L425 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2023-11-30 03:01:20,921 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 03:01:20,921 INFO L85 PathProgramCache]: Analyzing trace with hash 768895507, now seen corresponding path program 1 times [2023-11-30 03:01:20,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 03:01:20,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116251324] [2023-11-30 03:01:20,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 03:01:20,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 03:01:20,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 03:01:20,966 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 03:01:20,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 03:01:20,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116251324] [2023-11-30 03:01:20,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1116251324] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 03:01:20,967 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 03:01:20,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 03:01:20,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365870162] [2023-11-30 03:01:20,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 03:01:20,968 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 03:01:20,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 03:01:20,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 03:01:20,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 03:01:20,969 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 123 out of 140 [2023-11-30 03:01:20,969 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 113 transitions, 298 flow. Second operand has 3 states, 3 states have (on average 124.66666666666667) internal successors, (374), 3 states have internal predecessors, (374), 0 states have call successors, (0), 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 03:01:20,969 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 03:01:20,970 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 123 of 140 [2023-11-30 03:01:20,970 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 03:01:21,016 INFO L124 PetriNetUnfolderBase]: 43/314 cut-off events. [2023-11-30 03:01:21,017 INFO L125 PetriNetUnfolderBase]: For 177/210 co-relation queries the response was YES. [2023-11-30 03:01:21,018 INFO L83 FinitePrefix]: Finished finitePrefix Result has 508 conditions, 314 events. 43/314 cut-off events. For 177/210 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1423 event pairs, 19 based on Foata normal form. 1/255 useless extension candidates. Maximal degree in co-relation 369. Up to 70 conditions per place. [2023-11-30 03:01:21,019 INFO L140 encePairwiseOnDemand]: 136/140 looper letters, 11 selfloop transitions, 2 changer transitions 0/114 dead transitions. [2023-11-30 03:01:21,023 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 122 places, 114 transitions, 333 flow [2023-11-30 03:01:21,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 03:01:21,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 03:01:21,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 384 transitions. [2023-11-30 03:01:21,025 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.9142857142857143 [2023-11-30 03:01:21,025 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 384 transitions. [2023-11-30 03:01:21,025 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 384 transitions. [2023-11-30 03:01:21,025 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 03:01:21,025 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 384 transitions. [2023-11-30 03:01:21,026 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 128.0) internal successors, (384), 3 states have internal predecessors, (384), 0 states have call successors, (0), 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 03:01:21,027 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 140.0) internal successors, (560), 4 states have internal predecessors, (560), 0 states have call successors, (0), 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 03:01:21,027 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 140.0) internal successors, (560), 4 states have internal predecessors, (560), 0 states have call successors, (0), 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 03:01:21,028 INFO L307 CegarLoopForPetriNet]: 120 programPoint places, 2 predicate places. [2023-11-30 03:01:21,029 INFO L500 AbstractCegarLoop]: Abstraction has has 122 places, 114 transitions, 333 flow [2023-11-30 03:01:21,029 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 124.66666666666667) internal successors, (374), 3 states have internal predecessors, (374), 0 states have call successors, (0), 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 03:01:21,029 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 03:01:21,029 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 03:01:21,030 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-30 03:01:21,030 INFO L425 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2023-11-30 03:01:21,030 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 03:01:21,031 INFO L85 PathProgramCache]: Analyzing trace with hash 1105797155, now seen corresponding path program 1 times [2023-11-30 03:01:21,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 03:01:21,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570515129] [2023-11-30 03:01:21,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 03:01:21,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 03:01:21,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 03:01:21,102 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 03:01:21,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 03:01:21,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570515129] [2023-11-30 03:01:21,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [570515129] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 03:01:21,102 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 03:01:21,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 03:01:21,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852649827] [2023-11-30 03:01:21,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 03:01:21,103 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 03:01:21,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 03:01:21,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 03:01:21,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 03:01:21,104 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 123 out of 140 [2023-11-30 03:01:21,104 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 114 transitions, 333 flow. Second operand has 3 states, 3 states have (on average 124.0) internal successors, (372), 3 states have internal predecessors, (372), 0 states have call successors, (0), 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 03:01:21,104 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 03:01:21,104 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 123 of 140 [2023-11-30 03:01:21,104 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 03:01:21,145 INFO L124 PetriNetUnfolderBase]: 48/325 cut-off events. [2023-11-30 03:01:21,145 INFO L125 PetriNetUnfolderBase]: For 383/435 co-relation queries the response was YES. [2023-11-30 03:01:21,146 INFO L83 FinitePrefix]: Finished finitePrefix Result has 582 conditions, 325 events. 48/325 cut-off events. For 383/435 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1524 event pairs, 23 based on Foata normal form. 4/274 useless extension candidates. Maximal degree in co-relation 411. Up to 75 conditions per place. [2023-11-30 03:01:21,147 INFO L140 encePairwiseOnDemand]: 135/140 looper letters, 10 selfloop transitions, 3 changer transitions 0/113 dead transitions. [2023-11-30 03:01:21,147 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 122 places, 113 transitions, 366 flow [2023-11-30 03:01:21,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 03:01:21,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 03:01:21,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 383 transitions. [2023-11-30 03:01:21,149 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.9119047619047619 [2023-11-30 03:01:21,149 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 383 transitions. [2023-11-30 03:01:21,149 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 383 transitions. [2023-11-30 03:01:21,149 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 03:01:21,149 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 383 transitions. [2023-11-30 03:01:21,150 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 127.66666666666667) internal successors, (383), 3 states have internal predecessors, (383), 0 states have call successors, (0), 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 03:01:21,151 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 140.0) internal successors, (560), 4 states have internal predecessors, (560), 0 states have call successors, (0), 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 03:01:21,152 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 140.0) internal successors, (560), 4 states have internal predecessors, (560), 0 states have call successors, (0), 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 03:01:21,153 INFO L307 CegarLoopForPetriNet]: 120 programPoint places, 2 predicate places. [2023-11-30 03:01:21,153 INFO L500 AbstractCegarLoop]: Abstraction has has 122 places, 113 transitions, 366 flow [2023-11-30 03:01:21,153 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 124.0) internal successors, (372), 3 states have internal predecessors, (372), 0 states have call successors, (0), 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 03:01:21,153 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 03:01:21,153 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] [2023-11-30 03:01:21,153 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-30 03:01:21,154 INFO L425 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2023-11-30 03:01:21,154 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 03:01:21,154 INFO L85 PathProgramCache]: Analyzing trace with hash 1814154885, now seen corresponding path program 1 times [2023-11-30 03:01:21,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 03:01:21,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646385091] [2023-11-30 03:01:21,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 03:01:21,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 03:01:21,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 03:01:21,203 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 03:01:21,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 03:01:21,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646385091] [2023-11-30 03:01:21,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [646385091] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 03:01:21,204 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 03:01:21,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 03:01:21,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912491460] [2023-11-30 03:01:21,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 03:01:21,206 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 03:01:21,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 03:01:21,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 03:01:21,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 03:01:21,207 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 123 out of 140 [2023-11-30 03:01:21,208 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 113 transitions, 366 flow. Second operand has 3 states, 3 states have (on average 124.66666666666667) internal successors, (374), 3 states have internal predecessors, (374), 0 states have call successors, (0), 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 03:01:21,208 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 03:01:21,208 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 123 of 140 [2023-11-30 03:01:21,208 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 03:01:21,248 INFO L124 PetriNetUnfolderBase]: 47/323 cut-off events. [2023-11-30 03:01:21,248 INFO L125 PetriNetUnfolderBase]: For 525/593 co-relation queries the response was YES. [2023-11-30 03:01:21,249 INFO L83 FinitePrefix]: Finished finitePrefix Result has 662 conditions, 323 events. 47/323 cut-off events. For 525/593 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1521 event pairs, 4 based on Foata normal form. 0/283 useless extension candidates. Maximal degree in co-relation 466. Up to 63 conditions per place. [2023-11-30 03:01:21,250 INFO L140 encePairwiseOnDemand]: 136/140 looper letters, 15 selfloop transitions, 2 changer transitions 0/116 dead transitions. [2023-11-30 03:01:21,250 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 122 places, 116 transitions, 439 flow [2023-11-30 03:01:21,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 03:01:21,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 03:01:21,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 385 transitions. [2023-11-30 03:01:21,252 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.9166666666666666 [2023-11-30 03:01:21,252 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 385 transitions. [2023-11-30 03:01:21,252 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 385 transitions. [2023-11-30 03:01:21,252 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 03:01:21,252 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 385 transitions. [2023-11-30 03:01:21,253 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 128.33333333333334) internal successors, (385), 3 states have internal predecessors, (385), 0 states have call successors, (0), 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 03:01:21,253 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 140.0) internal successors, (560), 4 states have internal predecessors, (560), 0 states have call successors, (0), 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 03:01:21,254 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 140.0) internal successors, (560), 4 states have internal predecessors, (560), 0 states have call successors, (0), 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 03:01:21,256 INFO L307 CegarLoopForPetriNet]: 120 programPoint places, 2 predicate places. [2023-11-30 03:01:21,256 INFO L500 AbstractCegarLoop]: Abstraction has has 122 places, 116 transitions, 439 flow [2023-11-30 03:01:21,256 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 124.66666666666667) internal successors, (374), 3 states have internal predecessors, (374), 0 states have call successors, (0), 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 03:01:21,256 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 03:01:21,256 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] [2023-11-30 03:01:21,257 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-30 03:01:21,257 INFO L425 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2023-11-30 03:01:21,257 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 03:01:21,257 INFO L85 PathProgramCache]: Analyzing trace with hash -763330808, now seen corresponding path program 1 times [2023-11-30 03:01:21,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 03:01:21,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728896254] [2023-11-30 03:01:21,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 03:01:21,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 03:01:21,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 03:01:21,311 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 03:01:21,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 03:01:21,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728896254] [2023-11-30 03:01:21,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1728896254] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 03:01:21,314 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 03:01:21,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 03:01:21,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308403697] [2023-11-30 03:01:21,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 03:01:21,316 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 03:01:21,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 03:01:21,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 03:01:21,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 03:01:21,317 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 121 out of 140 [2023-11-30 03:01:21,317 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 116 transitions, 439 flow. Second operand has 3 states, 3 states have (on average 123.0) internal successors, (369), 3 states have internal predecessors, (369), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 03:01:21,317 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 03:01:21,317 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 121 of 140 [2023-11-30 03:01:21,317 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 03:01:21,364 INFO L124 PetriNetUnfolderBase]: 48/333 cut-off events. [2023-11-30 03:01:21,364 INFO L125 PetriNetUnfolderBase]: For 714/804 co-relation queries the response was YES. [2023-11-30 03:01:21,365 INFO L83 FinitePrefix]: Finished finitePrefix Result has 725 conditions, 333 events. 48/333 cut-off events. For 714/804 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1602 event pairs, 5 based on Foata normal form. 0/295 useless extension candidates. Maximal degree in co-relation 514. Up to 65 conditions per place. [2023-11-30 03:01:21,367 INFO L140 encePairwiseOnDemand]: 137/140 looper letters, 16 selfloop transitions, 2 changer transitions 0/116 dead transitions. [2023-11-30 03:01:21,367 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 116 transitions, 486 flow [2023-11-30 03:01:21,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 03:01:21,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 03:01:21,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 377 transitions. [2023-11-30 03:01:21,369 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8976190476190476 [2023-11-30 03:01:21,369 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 377 transitions. [2023-11-30 03:01:21,369 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 377 transitions. [2023-11-30 03:01:21,369 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 03:01:21,369 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 377 transitions. [2023-11-30 03:01:21,370 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 125.66666666666667) internal successors, (377), 3 states have internal predecessors, (377), 0 states have call successors, (0), 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 03:01:21,370 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 140.0) internal successors, (560), 4 states have internal predecessors, (560), 0 states have call successors, (0), 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 03:01:21,371 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 140.0) internal successors, (560), 4 states have internal predecessors, (560), 0 states have call successors, (0), 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 03:01:21,373 INFO L307 CegarLoopForPetriNet]: 120 programPoint places, 3 predicate places. [2023-11-30 03:01:21,373 INFO L500 AbstractCegarLoop]: Abstraction has has 123 places, 116 transitions, 486 flow [2023-11-30 03:01:21,374 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 123.0) internal successors, (369), 3 states have internal predecessors, (369), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 03:01:21,374 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 03:01:21,374 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] [2023-11-30 03:01:21,374 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-30 03:01:21,374 INFO L425 AbstractCegarLoop]: === Iteration 7 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2023-11-30 03:01:21,374 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 03:01:21,374 INFO L85 PathProgramCache]: Analyzing trace with hash -607551438, now seen corresponding path program 1 times [2023-11-30 03:01:21,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 03:01:21,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989764461] [2023-11-30 03:01:21,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 03:01:21,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 03:01:21,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 03:01:21,424 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 03:01:21,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 03:01:21,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989764461] [2023-11-30 03:01:21,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [989764461] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 03:01:21,424 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 03:01:21,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 03:01:21,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876827048] [2023-11-30 03:01:21,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 03:01:21,425 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 03:01:21,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 03:01:21,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 03:01:21,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 03:01:21,426 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 123 out of 140 [2023-11-30 03:01:21,426 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 123 places, 116 transitions, 486 flow. Second operand has 3 states, 3 states have (on average 124.33333333333333) internal successors, (373), 3 states have internal predecessors, (373), 0 states have call successors, (0), 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 03:01:21,426 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 03:01:21,426 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 123 of 140 [2023-11-30 03:01:21,426 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 03:01:21,468 INFO L124 PetriNetUnfolderBase]: 57/347 cut-off events. [2023-11-30 03:01:21,468 INFO L125 PetriNetUnfolderBase]: For 1452/1597 co-relation queries the response was YES. [2023-11-30 03:01:21,469 INFO L83 FinitePrefix]: Finished finitePrefix Result has 872 conditions, 347 events. 57/347 cut-off events. For 1452/1597 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1785 event pairs, 8 based on Foata normal form. 2/313 useless extension candidates. Maximal degree in co-relation 577. Up to 73 conditions per place. [2023-11-30 03:01:21,470 INFO L140 encePairwiseOnDemand]: 135/140 looper letters, 13 selfloop transitions, 2 changer transitions 5/115 dead transitions. [2023-11-30 03:01:21,470 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 115 transitions, 533 flow [2023-11-30 03:01:21,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 03:01:21,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 03:01:21,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 382 transitions. [2023-11-30 03:01:21,472 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.9095238095238095 [2023-11-30 03:01:21,472 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 382 transitions. [2023-11-30 03:01:21,472 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 382 transitions. [2023-11-30 03:01:21,472 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 03:01:21,472 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 382 transitions. [2023-11-30 03:01:21,473 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 127.33333333333333) internal successors, (382), 3 states have internal predecessors, (382), 0 states have call successors, (0), 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 03:01:21,473 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 140.0) internal successors, (560), 4 states have internal predecessors, (560), 0 states have call successors, (0), 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 03:01:21,473 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 140.0) internal successors, (560), 4 states have internal predecessors, (560), 0 states have call successors, (0), 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 03:01:21,474 INFO L307 CegarLoopForPetriNet]: 120 programPoint places, 3 predicate places. [2023-11-30 03:01:21,474 INFO L500 AbstractCegarLoop]: Abstraction has has 123 places, 115 transitions, 533 flow [2023-11-30 03:01:21,475 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 124.33333333333333) internal successors, (373), 3 states have internal predecessors, (373), 0 states have call successors, (0), 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 03:01:21,475 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 03:01:21,475 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] [2023-11-30 03:01:21,475 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-30 03:01:21,475 INFO L425 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2023-11-30 03:01:21,475 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 03:01:21,476 INFO L85 PathProgramCache]: Analyzing trace with hash 497793300, now seen corresponding path program 1 times [2023-11-30 03:01:21,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 03:01:21,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920387513] [2023-11-30 03:01:21,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 03:01:21,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 03:01:21,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 03:01:21,778 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 03:01:21,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 03:01:21,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920387513] [2023-11-30 03:01:21,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1920387513] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 03:01:21,779 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 03:01:21,779 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 03:01:21,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200083386] [2023-11-30 03:01:21,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 03:01:21,779 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-30 03:01:21,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 03:01:21,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-30 03:01:21,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-30 03:01:21,780 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 140 [2023-11-30 03:01:21,782 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 123 places, 115 transitions, 533 flow. Second operand has 6 states, 6 states have (on average 114.83333333333333) internal successors, (689), 6 states have internal predecessors, (689), 0 states have call successors, (0), 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 03:01:21,782 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 03:01:21,782 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 140 [2023-11-30 03:01:21,783 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 03:01:21,855 INFO L124 PetriNetUnfolderBase]: 57/332 cut-off events. [2023-11-30 03:01:21,855 INFO L125 PetriNetUnfolderBase]: For 4355/4789 co-relation queries the response was YES. [2023-11-30 03:01:21,856 INFO L83 FinitePrefix]: Finished finitePrefix Result has 921 conditions, 332 events. 57/332 cut-off events. For 4355/4789 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1667 event pairs, 5 based on Foata normal form. 40/341 useless extension candidates. Maximal degree in co-relation 575. Up to 74 conditions per place. [2023-11-30 03:01:21,858 INFO L140 encePairwiseOnDemand]: 135/140 looper letters, 21 selfloop transitions, 4 changer transitions 5/114 dead transitions. [2023-11-30 03:01:21,858 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 127 places, 114 transitions, 583 flow [2023-11-30 03:01:21,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-30 03:01:21,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-30 03:01:21,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 698 transitions. [2023-11-30 03:01:21,860 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.830952380952381 [2023-11-30 03:01:21,860 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 698 transitions. [2023-11-30 03:01:21,860 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 698 transitions. [2023-11-30 03:01:21,860 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 03:01:21,860 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 698 transitions. [2023-11-30 03:01:21,863 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 116.33333333333333) internal successors, (698), 6 states have internal predecessors, (698), 0 states have call successors, (0), 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 03:01:21,864 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 140.0) internal successors, (980), 7 states have internal predecessors, (980), 0 states have call successors, (0), 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 03:01:21,864 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 140.0) internal successors, (980), 7 states have internal predecessors, (980), 0 states have call successors, (0), 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 03:01:21,865 INFO L307 CegarLoopForPetriNet]: 120 programPoint places, 7 predicate places. [2023-11-30 03:01:21,865 INFO L500 AbstractCegarLoop]: Abstraction has has 127 places, 114 transitions, 583 flow [2023-11-30 03:01:21,866 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 114.83333333333333) internal successors, (689), 6 states have internal predecessors, (689), 0 states have call successors, (0), 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 03:01:21,866 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 03:01:21,868 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] [2023-11-30 03:01:21,868 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-30 03:01:21,868 INFO L425 AbstractCegarLoop]: === Iteration 9 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2023-11-30 03:01:21,868 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 03:01:21,868 INFO L85 PathProgramCache]: Analyzing trace with hash 569307543, now seen corresponding path program 1 times [2023-11-30 03:01:21,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 03:01:21,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543849504] [2023-11-30 03:01:21,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 03:01:21,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 03:01:21,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 03:01:21,896 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 03:01:21,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 03:01:21,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543849504] [2023-11-30 03:01:21,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1543849504] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 03:01:21,897 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 03:01:21,897 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 03:01:21,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911788939] [2023-11-30 03:01:21,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 03:01:21,897 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 03:01:21,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 03:01:21,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 03:01:21,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 03:01:21,898 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 121 out of 140 [2023-11-30 03:01:21,899 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 127 places, 114 transitions, 583 flow. Second operand has 3 states, 3 states have (on average 123.33333333333333) internal successors, (370), 3 states have internal predecessors, (370), 0 states have call successors, (0), 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 03:01:21,899 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 03:01:21,899 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 121 of 140 [2023-11-30 03:01:21,899 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 03:01:21,948 INFO L124 PetriNetUnfolderBase]: 58/340 cut-off events. [2023-11-30 03:01:21,948 INFO L125 PetriNetUnfolderBase]: For 2725/2971 co-relation queries the response was YES. [2023-11-30 03:01:21,949 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1021 conditions, 340 events. 58/340 cut-off events. For 2725/2971 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1686 event pairs, 7 based on Foata normal form. 0/312 useless extension candidates. Maximal degree in co-relation 612. Up to 75 conditions per place. [2023-11-30 03:01:21,951 INFO L140 encePairwiseOnDemand]: 137/140 looper letters, 15 selfloop transitions, 2 changer transitions 5/114 dead transitions. [2023-11-30 03:01:21,951 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 114 transitions, 638 flow [2023-11-30 03:01:21,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 03:01:21,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 03:01:21,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 376 transitions. [2023-11-30 03:01:21,952 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8952380952380953 [2023-11-30 03:01:21,952 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 376 transitions. [2023-11-30 03:01:21,952 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 376 transitions. [2023-11-30 03:01:21,953 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 03:01:21,953 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 376 transitions. [2023-11-30 03:01:21,953 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 125.33333333333333) internal successors, (376), 3 states have internal predecessors, (376), 0 states have call successors, (0), 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 03:01:21,954 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 140.0) internal successors, (560), 4 states have internal predecessors, (560), 0 states have call successors, (0), 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 03:01:21,954 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 140.0) internal successors, (560), 4 states have internal predecessors, (560), 0 states have call successors, (0), 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 03:01:21,955 INFO L307 CegarLoopForPetriNet]: 120 programPoint places, 8 predicate places. [2023-11-30 03:01:21,955 INFO L500 AbstractCegarLoop]: Abstraction has has 128 places, 114 transitions, 638 flow [2023-11-30 03:01:21,955 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 123.33333333333333) internal successors, (370), 3 states have internal predecessors, (370), 0 states have call successors, (0), 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 03:01:21,955 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 03:01:21,956 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] [2023-11-30 03:01:21,956 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-30 03:01:21,956 INFO L425 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2023-11-30 03:01:21,956 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 03:01:21,956 INFO L85 PathProgramCache]: Analyzing trace with hash 700540769, now seen corresponding path program 1 times [2023-11-30 03:01:21,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 03:01:21,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950584137] [2023-11-30 03:01:21,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 03:01:21,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 03:01:21,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 03:01:22,253 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 03:01:22,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 03:01:22,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1950584137] [2023-11-30 03:01:22,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1950584137] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 03:01:22,254 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 03:01:22,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 03:01:22,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428715680] [2023-11-30 03:01:22,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 03:01:22,257 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-30 03:01:22,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 03:01:22,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-30 03:01:22,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-30 03:01:22,262 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 140 [2023-11-30 03:01:22,262 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 128 places, 114 transitions, 638 flow. Second operand has 6 states, 6 states have (on average 115.83333333333333) internal successors, (695), 6 states have internal predecessors, (695), 0 states have call successors, (0), 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 03:01:22,262 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 03:01:22,262 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 140 [2023-11-30 03:01:22,262 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 03:01:22,314 INFO L124 PetriNetUnfolderBase]: 58/329 cut-off events. [2023-11-30 03:01:22,314 INFO L125 PetriNetUnfolderBase]: For 4016/4424 co-relation queries the response was YES. [2023-11-30 03:01:22,315 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1070 conditions, 329 events. 58/329 cut-off events. For 4016/4424 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1646 event pairs, 8 based on Foata normal form. 4/308 useless extension candidates. Maximal degree in co-relation 714. Up to 74 conditions per place. [2023-11-30 03:01:22,315 INFO L140 encePairwiseOnDemand]: 135/140 looper letters, 0 selfloop transitions, 0 changer transitions 113/113 dead transitions. [2023-11-30 03:01:22,315 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 132 places, 113 transitions, 686 flow [2023-11-30 03:01:22,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-30 03:01:22,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-30 03:01:22,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 697 transitions. [2023-11-30 03:01:22,317 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8297619047619048 [2023-11-30 03:01:22,317 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 697 transitions. [2023-11-30 03:01:22,317 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 697 transitions. [2023-11-30 03:01:22,317 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 03:01:22,317 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 697 transitions. [2023-11-30 03:01:22,318 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 116.16666666666667) internal successors, (697), 6 states have internal predecessors, (697), 0 states have call successors, (0), 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 03:01:22,319 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 140.0) internal successors, (980), 7 states have internal predecessors, (980), 0 states have call successors, (0), 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 03:01:22,320 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 140.0) internal successors, (980), 7 states have internal predecessors, (980), 0 states have call successors, (0), 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 03:01:22,320 INFO L307 CegarLoopForPetriNet]: 120 programPoint places, 12 predicate places. [2023-11-30 03:01:22,320 INFO L500 AbstractCegarLoop]: Abstraction has has 132 places, 113 transitions, 686 flow [2023-11-30 03:01:22,321 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 115.83333333333333) internal successors, (695), 6 states have internal predecessors, (695), 0 states have call successors, (0), 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 03:01:22,326 INFO L143 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mult-comm.wvr.c_BEv2_AllErrorsAtOnce [2023-11-30 03:01:22,353 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (23 of 24 remaining) [2023-11-30 03:01:22,353 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (22 of 24 remaining) [2023-11-30 03:01:22,353 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (21 of 24 remaining) [2023-11-30 03:01:22,353 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (20 of 24 remaining) [2023-11-30 03:01:22,354 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (19 of 24 remaining) [2023-11-30 03:01:22,354 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (18 of 24 remaining) [2023-11-30 03:01:22,354 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (17 of 24 remaining) [2023-11-30 03:01:22,354 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (16 of 24 remaining) [2023-11-30 03:01:22,354 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (15 of 24 remaining) [2023-11-30 03:01:22,354 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (14 of 24 remaining) [2023-11-30 03:01:22,354 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (13 of 24 remaining) [2023-11-30 03:01:22,354 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (12 of 24 remaining) [2023-11-30 03:01:22,354 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (11 of 24 remaining) [2023-11-30 03:01:22,354 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (10 of 24 remaining) [2023-11-30 03:01:22,357 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 24 remaining) [2023-11-30 03:01:22,357 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 24 remaining) [2023-11-30 03:01:22,357 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (7 of 24 remaining) [2023-11-30 03:01:22,357 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (6 of 24 remaining) [2023-11-30 03:01:22,357 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (5 of 24 remaining) [2023-11-30 03:01:22,357 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (4 of 24 remaining) [2023-11-30 03:01:22,358 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (3 of 24 remaining) [2023-11-30 03:01:22,358 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (2 of 24 remaining) [2023-11-30 03:01:22,358 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (1 of 24 remaining) [2023-11-30 03:01:22,358 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (0 of 24 remaining) [2023-11-30 03:01:22,358 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-30 03:01:22,358 INFO L457 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 03:01:22,361 INFO L222 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-30 03:01:22,361 INFO L172 ceAbstractionStarter]: Computing trace abstraction results [2023-11-30 03:01:22,367 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 03:01:22 BasicIcfg [2023-11-30 03:01:22,367 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-30 03:01:22,368 INFO L158 Benchmark]: Toolchain (without parser) took 2670.88ms. Allocated memory is still 593.5MB. Free memory was 557.0MB in the beginning and 449.7MB in the end (delta: 107.3MB). Peak memory consumption was 109.1MB. Max. memory is 16.0GB. [2023-11-30 03:01:22,368 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 352.3MB. Free memory is still 308.7MB. There was no memory consumed. Max. memory is 16.0GB. [2023-11-30 03:01:22,369 INFO L158 Benchmark]: CACSL2BoogieTranslator took 183.06ms. Allocated memory is still 593.5MB. Free memory was 556.3MB in the beginning and 545.2MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.0GB. [2023-11-30 03:01:22,369 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.52ms. Allocated memory is still 593.5MB. Free memory was 545.2MB in the beginning and 543.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-11-30 03:01:22,369 INFO L158 Benchmark]: Boogie Preprocessor took 24.20ms. Allocated memory is still 593.5MB. Free memory was 543.6MB in the beginning and 541.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-11-30 03:01:22,369 INFO L158 Benchmark]: RCFGBuilder took 314.08ms. Allocated memory is still 593.5MB. Free memory was 541.6MB in the beginning and 524.8MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.0GB. [2023-11-30 03:01:22,369 INFO L158 Benchmark]: TraceAbstraction took 2105.94ms. Allocated memory is still 593.5MB. Free memory was 524.2MB in the beginning and 449.7MB in the end (delta: 74.5MB). Peak memory consumption was 77.6MB. Max. memory is 16.0GB. [2023-11-30 03:01:22,370 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 352.3MB. Free memory is still 308.7MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 183.06ms. Allocated memory is still 593.5MB. Free memory was 556.3MB in the beginning and 545.2MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 39.52ms. Allocated memory is still 593.5MB. Free memory was 545.2MB in the beginning and 543.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 24.20ms. Allocated memory is still 593.5MB. Free memory was 543.6MB in the beginning and 541.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 314.08ms. Allocated memory is still 593.5MB. Free memory was 541.6MB in the beginning and 524.8MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.0GB. * TraceAbstraction took 2105.94ms. Allocated memory is still 593.5MB. Free memory was 524.2MB in the beginning and 449.7MB in the end (delta: 74.5MB). Peak memory consumption was 77.6MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: 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 5 procedures, 188 locations, 24 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: 2.0s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 33 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 33 mSDsluCounter, 70 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 16 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 184 IncrementalHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16 mSolverCounterUnsat, 70 mSDtfsCounter, 184 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=686occurred in iteration=10, InterpolantAutomatonStates: 36, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 410 NumberOfCodeBlocks, 410 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 400 ConstructedInterpolants, 0 QuantifiedInterpolants, 578 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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 14 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-30 03:01:22,384 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...