/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/popl20-bad-counter-queue.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.empire-owicki-175f719-m [2023-11-30 03:15:01,841 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-30 03:15:01,877 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 03:15:01,894 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-30 03:15:01,895 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-30 03:15:01,895 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-30 03:15:01,896 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-30 03:15:01,896 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-30 03:15:01,896 INFO L153 SettingsManager]: * Use SBE=true [2023-11-30 03:15:01,896 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-30 03:15:01,897 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-30 03:15:01,897 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-30 03:15:01,897 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-30 03:15:01,897 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-30 03:15:01,898 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-30 03:15:01,898 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-30 03:15:01,898 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-30 03:15:01,899 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-30 03:15:01,899 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-30 03:15:01,899 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-30 03:15:01,899 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-30 03:15:01,900 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-30 03:15:01,900 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-30 03:15:01,900 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-30 03:15:01,900 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-30 03:15:01,901 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 03:15:01,901 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-30 03:15:01,901 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-30 03:15:01,901 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-30 03:15:01,901 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-30 03:15:01,902 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-30 03:15:01,902 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-30 03:15:01,902 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-30 03:15:01,902 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2023-11-30 03:15:02,068 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-30 03:15:02,082 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-30 03:15:02,084 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-30 03:15:02,085 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-30 03:15:02,086 INFO L274 PluginConnector]: CDTParser initialized [2023-11-30 03:15:02,087 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-bad-counter-queue.wvr.c [2023-11-30 03:15:03,147 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-30 03:15:03,270 INFO L384 CDTParser]: Found 1 translation units. [2023-11-30 03:15:03,271 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-counter-queue.wvr.c [2023-11-30 03:15:03,276 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a659b651/d37fd19fbe674b60a93d8d515f6de7de/FLAGf1179ff20 [2023-11-30 03:15:03,288 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a659b651/d37fd19fbe674b60a93d8d515f6de7de [2023-11-30 03:15:03,290 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-30 03:15:03,291 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-30 03:15:03,292 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-30 03:15:03,292 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-30 03:15:03,295 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-30 03:15:03,296 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 03:15:03" (1/1) ... [2023-11-30 03:15:03,297 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a8b7b1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:15:03, skipping insertion in model container [2023-11-30 03:15:03,297 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 03:15:03" (1/1) ... [2023-11-30 03:15:03,314 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-30 03:15:03,445 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 03:15:03,451 INFO L202 MainTranslator]: Completed pre-run [2023-11-30 03:15:03,469 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 03:15:03,475 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-30 03:15:03,476 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-30 03:15:03,481 INFO L206 MainTranslator]: Completed translation [2023-11-30 03:15:03,481 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:15:03 WrapperNode [2023-11-30 03:15:03,481 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-30 03:15:03,482 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-30 03:15:03,482 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-30 03:15:03,482 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-30 03:15:03,487 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:15:03" (1/1) ... [2023-11-30 03:15:03,494 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:15:03" (1/1) ... [2023-11-30 03:15:03,522 INFO L138 Inliner]: procedures = 26, calls = 41, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 211 [2023-11-30 03:15:03,522 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-30 03:15:03,523 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-30 03:15:03,523 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-30 03:15:03,523 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-30 03:15:03,531 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:15:03" (1/1) ... [2023-11-30 03:15:03,532 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:15:03" (1/1) ... [2023-11-30 03:15:03,535 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:15:03" (1/1) ... [2023-11-30 03:15:03,535 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:15:03" (1/1) ... [2023-11-30 03:15:03,545 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:15:03" (1/1) ... [2023-11-30 03:15:03,548 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:15:03" (1/1) ... [2023-11-30 03:15:03,550 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:15:03" (1/1) ... [2023-11-30 03:15:03,559 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:15:03" (1/1) ... [2023-11-30 03:15:03,562 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-30 03:15:03,562 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-30 03:15:03,562 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-30 03:15:03,562 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-30 03:15:03,563 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:15:03" (1/1) ... [2023-11-30 03:15:03,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 03:15:03,582 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-30 03:15:03,602 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 03:15:03,663 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 03:15:03,674 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-30 03:15:03,675 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-30 03:15:03,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-30 03:15:03,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-30 03:15:03,675 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-30 03:15:03,676 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-30 03:15:03,676 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-30 03:15:03,676 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-30 03:15:03,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-30 03:15:03,676 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-30 03:15:03,677 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-30 03:15:03,677 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-30 03:15:03,677 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-30 03:15:03,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-30 03:15:03,677 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-30 03:15:03,678 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 03:15:03,803 INFO L241 CfgBuilder]: Building ICFG [2023-11-30 03:15:03,805 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-30 03:15:04,124 INFO L282 CfgBuilder]: Performing block encoding [2023-11-30 03:15:04,280 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-30 03:15:04,280 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-30 03:15:04,282 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 03:15:04 BoogieIcfgContainer [2023-11-30 03:15:04,282 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-30 03:15:04,285 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-30 03:15:04,285 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-30 03:15:04,287 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-30 03:15:04,287 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 03:15:03" (1/3) ... [2023-11-30 03:15:04,288 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b94e1dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 03:15:04, skipping insertion in model container [2023-11-30 03:15:04,288 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:15:03" (2/3) ... [2023-11-30 03:15:04,288 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b94e1dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 03:15:04, skipping insertion in model container [2023-11-30 03:15:04,288 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 03:15:04" (3/3) ... [2023-11-30 03:15:04,290 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-counter-queue.wvr.c [2023-11-30 03:15:04,303 INFO L197 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-30 03:15:04,304 INFO L156 ceAbstractionStarter]: Applying trace abstraction to program that has 17 error locations. [2023-11-30 03:15:04,304 INFO L508 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-30 03:15:04,371 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-30 03:15:04,410 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 172 places, 174 transitions, 362 flow [2023-11-30 03:15:04,474 INFO L124 PetriNetUnfolderBase]: 9/172 cut-off events. [2023-11-30 03:15:04,475 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-30 03:15:04,482 INFO L83 FinitePrefix]: Finished finitePrefix Result has 181 conditions, 172 events. 9/172 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 175 event pairs, 0 based on Foata normal form. 0/146 useless extension candidates. Maximal degree in co-relation 110. Up to 2 conditions per place. [2023-11-30 03:15:04,483 INFO L82 GeneralOperation]: Start removeDead. Operand has 172 places, 174 transitions, 362 flow [2023-11-30 03:15:04,489 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 150 places, 151 transitions, 314 flow [2023-11-30 03:15:04,502 INFO L361 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-30 03:15:04,509 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;@53bb45ac, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-30 03:15:04,509 INFO L363 AbstractCegarLoop]: Starting to check reachability of 29 error locations. [2023-11-30 03:15:04,516 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-30 03:15:04,516 INFO L124 PetriNetUnfolderBase]: 0/18 cut-off events. [2023-11-30 03:15:04,516 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-30 03:15:04,516 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 03:15:04,517 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 03:15:04,518 INFO L425 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2023-11-30 03:15:04,521 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 03:15:04,521 INFO L85 PathProgramCache]: Analyzing trace with hash 1288233506, now seen corresponding path program 1 times [2023-11-30 03:15:04,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 03:15:04,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300236044] [2023-11-30 03:15:04,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 03:15:04,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 03:15:04,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 03:15:04,684 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 03:15:04,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 03:15:04,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300236044] [2023-11-30 03:15:04,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [300236044] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 03:15:04,685 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 03:15:04,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 03:15:04,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918928803] [2023-11-30 03:15:04,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 03:15:04,692 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 03:15:04,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 03:15:04,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 03:15:04,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 03:15:04,715 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 135 out of 174 [2023-11-30 03:15:04,719 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 150 places, 151 transitions, 314 flow. Second operand has 3 states, 3 states have (on average 136.33333333333334) internal successors, (409), 3 states have internal predecessors, (409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 03:15:04,719 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 03:15:04,719 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 135 of 174 [2023-11-30 03:15:04,720 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 03:15:04,831 INFO L124 PetriNetUnfolderBase]: 50/291 cut-off events. [2023-11-30 03:15:04,831 INFO L125 PetriNetUnfolderBase]: For 32/55 co-relation queries the response was YES. [2023-11-30 03:15:04,833 INFO L83 FinitePrefix]: Finished finitePrefix Result has 420 conditions, 291 events. 50/291 cut-off events. For 32/55 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1008 event pairs, 35 based on Foata normal form. 3/253 useless extension candidates. Maximal degree in co-relation 273. Up to 103 conditions per place. [2023-11-30 03:15:04,836 INFO L140 encePairwiseOnDemand]: 158/174 looper letters, 20 selfloop transitions, 2 changer transitions 2/137 dead transitions. [2023-11-30 03:15:04,836 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 143 places, 137 transitions, 330 flow [2023-11-30 03:15:04,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 03:15:04,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 03:15:04,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 441 transitions. [2023-11-30 03:15:04,851 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8448275862068966 [2023-11-30 03:15:04,851 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 441 transitions. [2023-11-30 03:15:04,852 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 441 transitions. [2023-11-30 03:15:04,854 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 03:15:04,856 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 441 transitions. [2023-11-30 03:15:04,860 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 147.0) internal successors, (441), 3 states have internal predecessors, (441), 0 states have call successors, (0), 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 03:15:04,865 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 174.0) internal successors, (696), 4 states have internal predecessors, (696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 03:15:04,865 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 174.0) internal successors, (696), 4 states have internal predecessors, (696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 03:15:04,869 INFO L307 CegarLoopForPetriNet]: 150 programPoint places, -7 predicate places. [2023-11-30 03:15:04,869 INFO L500 AbstractCegarLoop]: Abstraction has has 143 places, 137 transitions, 330 flow [2023-11-30 03:15:04,870 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 136.33333333333334) internal successors, (409), 3 states have internal predecessors, (409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 03:15:04,870 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 03:15:04,870 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] [2023-11-30 03:15:04,870 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-30 03:15:04,870 INFO L425 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2023-11-30 03:15:04,871 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 03:15:04,871 INFO L85 PathProgramCache]: Analyzing trace with hash 473953074, now seen corresponding path program 1 times [2023-11-30 03:15:04,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 03:15:04,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621736294] [2023-11-30 03:15:04,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 03:15:04,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 03:15:04,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 03:15:04,947 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 03:15:04,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 03:15:04,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1621736294] [2023-11-30 03:15:04,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1621736294] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 03:15:04,947 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 03:15:04,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 03:15:04,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751983307] [2023-11-30 03:15:04,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 03:15:04,949 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 03:15:04,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 03:15:04,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 03:15:04,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 03:15:04,950 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 174 [2023-11-30 03:15:04,950 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 143 places, 137 transitions, 330 flow. Second operand has 3 states, 3 states have (on average 140.33333333333334) internal successors, (421), 3 states have internal predecessors, (421), 0 states have call successors, (0), 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 03:15:04,951 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 03:15:04,951 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 174 [2023-11-30 03:15:04,951 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 03:15:05,004 INFO L124 PetriNetUnfolderBase]: 37/256 cut-off events. [2023-11-30 03:15:05,004 INFO L125 PetriNetUnfolderBase]: For 87/284 co-relation queries the response was YES. [2023-11-30 03:15:05,007 INFO L83 FinitePrefix]: Finished finitePrefix Result has 430 conditions, 256 events. 37/256 cut-off events. For 87/284 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 786 event pairs, 24 based on Foata normal form. 0/234 useless extension candidates. Maximal degree in co-relation 275. Up to 76 conditions per place. [2023-11-30 03:15:05,008 INFO L140 encePairwiseOnDemand]: 170/174 looper letters, 15 selfloop transitions, 1 changer transitions 2/134 dead transitions. [2023-11-30 03:15:05,008 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 142 places, 134 transitions, 350 flow [2023-11-30 03:15:05,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 03:15:05,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 03:15:05,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 436 transitions. [2023-11-30 03:15:05,010 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8352490421455939 [2023-11-30 03:15:05,010 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 436 transitions. [2023-11-30 03:15:05,010 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 436 transitions. [2023-11-30 03:15:05,011 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 03:15:05,011 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 436 transitions. [2023-11-30 03:15:05,011 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 145.33333333333334) internal successors, (436), 3 states have internal predecessors, (436), 0 states have call successors, (0), 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 03:15:05,013 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 174.0) internal successors, (696), 4 states have internal predecessors, (696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 03:15:05,013 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 174.0) internal successors, (696), 4 states have internal predecessors, (696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 03:15:05,014 INFO L307 CegarLoopForPetriNet]: 150 programPoint places, -8 predicate places. [2023-11-30 03:15:05,014 INFO L500 AbstractCegarLoop]: Abstraction has has 142 places, 134 transitions, 350 flow [2023-11-30 03:15:05,015 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 140.33333333333334) internal successors, (421), 3 states have internal predecessors, (421), 0 states have call successors, (0), 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 03:15:05,015 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 03:15:05,015 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] [2023-11-30 03:15:05,015 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-30 03:15:05,016 INFO L425 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2023-11-30 03:15:05,016 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 03:15:05,016 INFO L85 PathProgramCache]: Analyzing trace with hash 1780923950, now seen corresponding path program 1 times [2023-11-30 03:15:05,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 03:15:05,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348118054] [2023-11-30 03:15:05,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 03:15:05,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 03:15:05,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 03:15:05,513 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 03:15:05,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 03:15:05,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348118054] [2023-11-30 03:15:05,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1348118054] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 03:15:05,514 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 03:15:05,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 03:15:05,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104142412] [2023-11-30 03:15:05,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 03:15:05,516 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-30 03:15:05,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 03:15:05,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-30 03:15:05,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-30 03:15:05,520 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 120 out of 174 [2023-11-30 03:15:05,522 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 134 transitions, 350 flow. Second operand has 6 states, 6 states have (on average 121.83333333333333) internal successors, (731), 6 states have internal predecessors, (731), 0 states have call successors, (0), 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 03:15:05,522 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 03:15:05,522 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 120 of 174 [2023-11-30 03:15:05,525 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 03:15:05,670 INFO L124 PetriNetUnfolderBase]: 270/739 cut-off events. [2023-11-30 03:15:05,670 INFO L125 PetriNetUnfolderBase]: For 876/1668 co-relation queries the response was YES. [2023-11-30 03:15:05,672 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1811 conditions, 739 events. 270/739 cut-off events. For 876/1668 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 3851 event pairs, 194 based on Foata normal form. 0/632 useless extension candidates. Maximal degree in co-relation 1629. Up to 372 conditions per place. [2023-11-30 03:15:05,676 INFO L140 encePairwiseOnDemand]: 168/174 looper letters, 33 selfloop transitions, 5 changer transitions 2/133 dead transitions. [2023-11-30 03:15:05,676 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 146 places, 133 transitions, 424 flow [2023-11-30 03:15:05,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-30 03:15:05,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-30 03:15:05,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 759 transitions. [2023-11-30 03:15:05,678 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7270114942528736 [2023-11-30 03:15:05,678 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 759 transitions. [2023-11-30 03:15:05,678 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 759 transitions. [2023-11-30 03:15:05,679 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 03:15:05,679 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 759 transitions. [2023-11-30 03:15:05,680 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 126.5) internal successors, (759), 6 states have internal predecessors, (759), 0 states have call successors, (0), 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 03:15:05,681 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 174.0) internal successors, (1218), 7 states have internal predecessors, (1218), 0 states have call successors, (0), 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 03:15:05,682 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 174.0) internal successors, (1218), 7 states have internal predecessors, (1218), 0 states have call successors, (0), 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 03:15:05,683 INFO L307 CegarLoopForPetriNet]: 150 programPoint places, -4 predicate places. [2023-11-30 03:15:05,683 INFO L500 AbstractCegarLoop]: Abstraction has has 146 places, 133 transitions, 424 flow [2023-11-30 03:15:05,684 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 121.83333333333333) internal successors, (731), 6 states have internal predecessors, (731), 0 states have call successors, (0), 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 03:15:05,684 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 03:15:05,684 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] [2023-11-30 03:15:05,684 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-30 03:15:05,684 INFO L425 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2023-11-30 03:15:05,685 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 03:15:05,685 INFO L85 PathProgramCache]: Analyzing trace with hash 66744589, now seen corresponding path program 1 times [2023-11-30 03:15:05,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 03:15:05,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619546538] [2023-11-30 03:15:05,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 03:15:05,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 03:15:05,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 03:15:05,719 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 03:15:05,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 03:15:05,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619546538] [2023-11-30 03:15:05,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [619546538] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 03:15:05,719 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 03:15:05,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 03:15:05,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250458834] [2023-11-30 03:15:05,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 03:15:05,720 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 03:15:05,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 03:15:05,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 03:15:05,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 03:15:05,725 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 144 out of 174 [2023-11-30 03:15:05,725 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 146 places, 133 transitions, 424 flow. Second operand has 3 states, 3 states have (on average 145.33333333333334) internal successors, (436), 3 states have internal predecessors, (436), 0 states have call successors, (0), 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 03:15:05,726 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 03:15:05,726 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 144 of 174 [2023-11-30 03:15:05,726 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 03:15:05,854 INFO L124 PetriNetUnfolderBase]: 270/738 cut-off events. [2023-11-30 03:15:05,854 INFO L125 PetriNetUnfolderBase]: For 2492/3292 co-relation queries the response was YES. [2023-11-30 03:15:05,855 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2050 conditions, 738 events. 270/738 cut-off events. For 2492/3292 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 3823 event pairs, 194 based on Foata normal form. 0/632 useless extension candidates. Maximal degree in co-relation 1854. Up to 372 conditions per place. [2023-11-30 03:15:05,858 INFO L140 encePairwiseOnDemand]: 171/174 looper letters, 11 selfloop transitions, 2 changer transitions 2/132 dead transitions. [2023-11-30 03:15:05,859 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 147 places, 132 transitions, 448 flow [2023-11-30 03:15:05,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 03:15:05,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 03:15:05,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 446 transitions. [2023-11-30 03:15:05,860 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8544061302681992 [2023-11-30 03:15:05,860 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 446 transitions. [2023-11-30 03:15:05,860 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 446 transitions. [2023-11-30 03:15:05,861 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 03:15:05,861 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 446 transitions. [2023-11-30 03:15:05,861 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 148.66666666666666) internal successors, (446), 3 states have internal predecessors, (446), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 03:15:05,862 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 174.0) internal successors, (696), 4 states have internal predecessors, (696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 03:15:05,863 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 174.0) internal successors, (696), 4 states have internal predecessors, (696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 03:15:05,864 INFO L307 CegarLoopForPetriNet]: 150 programPoint places, -3 predicate places. [2023-11-30 03:15:05,864 INFO L500 AbstractCegarLoop]: Abstraction has has 147 places, 132 transitions, 448 flow [2023-11-30 03:15:05,865 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 145.33333333333334) internal successors, (436), 3 states have internal predecessors, (436), 0 states have call successors, (0), 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 03:15:05,865 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 03:15:05,865 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 03:15:05,865 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-30 03:15:05,865 INFO L425 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2023-11-30 03:15:05,865 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 03:15:05,865 INFO L85 PathProgramCache]: Analyzing trace with hash -1512066913, now seen corresponding path program 1 times [2023-11-30 03:15:05,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 03:15:05,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382085012] [2023-11-30 03:15:05,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 03:15:05,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 03:15:05,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 03:15:06,094 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 03:15:06,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 03:15:06,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382085012] [2023-11-30 03:15:06,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [382085012] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 03:15:06,094 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 03:15:06,094 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 03:15:06,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161210980] [2023-11-30 03:15:06,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 03:15:06,095 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-30 03:15:06,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 03:15:06,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-30 03:15:06,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-30 03:15:06,096 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 126 out of 174 [2023-11-30 03:15:06,097 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 147 places, 132 transitions, 448 flow. Second operand has 6 states, 6 states have (on average 127.83333333333333) internal successors, (767), 6 states have internal predecessors, (767), 0 states have call successors, (0), 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 03:15:06,097 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 03:15:06,097 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 126 of 174 [2023-11-30 03:15:06,097 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 03:15:06,266 INFO L124 PetriNetUnfolderBase]: 227/586 cut-off events. [2023-11-30 03:15:06,267 INFO L125 PetriNetUnfolderBase]: For 2603/3534 co-relation queries the response was YES. [2023-11-30 03:15:06,268 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2079 conditions, 586 events. 227/586 cut-off events. For 2603/3534 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 2737 event pairs, 57 based on Foata normal form. 8/548 useless extension candidates. Maximal degree in co-relation 1865. Up to 341 conditions per place. [2023-11-30 03:15:06,271 INFO L140 encePairwiseOnDemand]: 169/174 looper letters, 40 selfloop transitions, 4 changer transitions 2/147 dead transitions. [2023-11-30 03:15:06,271 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 151 places, 147 transitions, 692 flow [2023-11-30 03:15:06,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-30 03:15:06,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-30 03:15:06,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 801 transitions. [2023-11-30 03:15:06,273 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7672413793103449 [2023-11-30 03:15:06,273 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 801 transitions. [2023-11-30 03:15:06,273 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 801 transitions. [2023-11-30 03:15:06,273 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 03:15:06,273 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 801 transitions. [2023-11-30 03:15:06,274 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 133.5) internal successors, (801), 6 states have internal predecessors, (801), 0 states have call successors, (0), 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 03:15:06,276 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 174.0) internal successors, (1218), 7 states have internal predecessors, (1218), 0 states have call successors, (0), 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 03:15:06,276 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 174.0) internal successors, (1218), 7 states have internal predecessors, (1218), 0 states have call successors, (0), 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 03:15:06,277 INFO L307 CegarLoopForPetriNet]: 150 programPoint places, 1 predicate places. [2023-11-30 03:15:06,277 INFO L500 AbstractCegarLoop]: Abstraction has has 151 places, 147 transitions, 692 flow [2023-11-30 03:15:06,277 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 127.83333333333333) internal successors, (767), 6 states have internal predecessors, (767), 0 states have call successors, (0), 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 03:15:06,277 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 03:15:06,277 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 03:15:06,277 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-30 03:15:06,277 INFO L425 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2023-11-30 03:15:06,278 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 03:15:06,278 INFO L85 PathProgramCache]: Analyzing trace with hash 1350810707, now seen corresponding path program 1 times [2023-11-30 03:15:06,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 03:15:06,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269537528] [2023-11-30 03:15:06,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 03:15:06,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 03:15:06,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 03:15:06,597 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 03:15:06,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 03:15:06,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269537528] [2023-11-30 03:15:06,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1269537528] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 03:15:06,599 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 03:15:06,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 03:15:06,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756009671] [2023-11-30 03:15:06,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 03:15:06,600 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-30 03:15:06,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 03:15:06,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-30 03:15:06,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-30 03:15:06,602 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 126 out of 174 [2023-11-30 03:15:06,603 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 151 places, 147 transitions, 692 flow. Second operand has 6 states, 6 states have (on average 128.83333333333334) internal successors, (773), 6 states have internal predecessors, (773), 0 states have call successors, (0), 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 03:15:06,603 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 03:15:06,603 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 126 of 174 [2023-11-30 03:15:06,603 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 03:15:06,737 INFO L124 PetriNetUnfolderBase]: 260/663 cut-off events. [2023-11-30 03:15:06,738 INFO L125 PetriNetUnfolderBase]: For 3086/4270 co-relation queries the response was YES. [2023-11-30 03:15:06,740 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2657 conditions, 663 events. 260/663 cut-off events. For 3086/4270 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 3237 event pairs, 67 based on Foata normal form. 0/614 useless extension candidates. Maximal degree in co-relation 2368. Up to 358 conditions per place. [2023-11-30 03:15:06,743 INFO L140 encePairwiseOnDemand]: 169/174 looper letters, 47 selfloop transitions, 4 changer transitions 2/154 dead transitions. [2023-11-30 03:15:06,743 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 155 places, 154 transitions, 884 flow [2023-11-30 03:15:06,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-30 03:15:06,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-30 03:15:06,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 792 transitions. [2023-11-30 03:15:06,745 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7586206896551724 [2023-11-30 03:15:06,745 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 792 transitions. [2023-11-30 03:15:06,745 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 792 transitions. [2023-11-30 03:15:06,746 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 03:15:06,746 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 792 transitions. [2023-11-30 03:15:06,747 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 132.0) internal successors, (792), 6 states have internal predecessors, (792), 0 states have call successors, (0), 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 03:15:06,748 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 174.0) internal successors, (1218), 7 states have internal predecessors, (1218), 0 states have call successors, (0), 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 03:15:06,748 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 174.0) internal successors, (1218), 7 states have internal predecessors, (1218), 0 states have call successors, (0), 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 03:15:06,750 INFO L307 CegarLoopForPetriNet]: 150 programPoint places, 5 predicate places. [2023-11-30 03:15:06,750 INFO L500 AbstractCegarLoop]: Abstraction has has 155 places, 154 transitions, 884 flow [2023-11-30 03:15:06,751 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 128.83333333333334) internal successors, (773), 6 states have internal predecessors, (773), 0 states have call successors, (0), 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 03:15:06,751 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 03:15:06,751 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 03:15:06,751 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-30 03:15:06,751 INFO L425 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2023-11-30 03:15:06,752 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 03:15:06,752 INFO L85 PathProgramCache]: Analyzing trace with hash 1887751141, now seen corresponding path program 1 times [2023-11-30 03:15:06,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 03:15:06,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537800529] [2023-11-30 03:15:06,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 03:15:06,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 03:15:06,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 03:15:06,793 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 03:15:06,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 03:15:06,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537800529] [2023-11-30 03:15:06,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [537800529] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 03:15:06,793 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 03:15:06,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 03:15:06,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273495538] [2023-11-30 03:15:06,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 03:15:06,797 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 03:15:06,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 03:15:06,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 03:15:06,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 03:15:06,798 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 148 out of 174 [2023-11-30 03:15:06,799 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 155 places, 154 transitions, 884 flow. Second operand has 3 states, 3 states have (on average 150.0) internal successors, (450), 3 states have internal predecessors, (450), 0 states have call successors, (0), 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 03:15:06,799 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 03:15:06,799 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 148 of 174 [2023-11-30 03:15:06,799 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 03:15:06,882 INFO L124 PetriNetUnfolderBase]: 293/705 cut-off events. [2023-11-30 03:15:06,883 INFO L125 PetriNetUnfolderBase]: For 6499/7804 co-relation queries the response was YES. [2023-11-30 03:15:06,884 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3300 conditions, 705 events. 293/705 cut-off events. For 6499/7804 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 3279 event pairs, 54 based on Foata normal form. 2/642 useless extension candidates. Maximal degree in co-relation 2996. Up to 421 conditions per place. [2023-11-30 03:15:06,886 INFO L140 encePairwiseOnDemand]: 168/174 looper letters, 0 selfloop transitions, 0 changer transitions 179/179 dead transitions. [2023-11-30 03:15:06,886 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 156 places, 179 transitions, 1370 flow [2023-11-30 03:15:06,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 03:15:06,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 03:15:06,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 460 transitions. [2023-11-30 03:15:06,887 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8812260536398467 [2023-11-30 03:15:06,887 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 460 transitions. [2023-11-30 03:15:06,887 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 460 transitions. [2023-11-30 03:15:06,888 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 03:15:06,888 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 460 transitions. [2023-11-30 03:15:06,888 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 153.33333333333334) internal successors, (460), 3 states have internal predecessors, (460), 0 states have call successors, (0), 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 03:15:06,889 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 174.0) internal successors, (696), 4 states have internal predecessors, (696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 03:15:06,889 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 174.0) internal successors, (696), 4 states have internal predecessors, (696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 03:15:06,890 INFO L307 CegarLoopForPetriNet]: 150 programPoint places, 6 predicate places. [2023-11-30 03:15:06,890 INFO L500 AbstractCegarLoop]: Abstraction has has 156 places, 179 transitions, 1370 flow [2023-11-30 03:15:06,890 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 150.0) internal successors, (450), 3 states have internal predecessors, (450), 0 states have call successors, (0), 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 03:15:06,897 INFO L143 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/popl20-bad-counter-queue.wvr.c_BEv2_AllErrorsAtOnce [2023-11-30 03:15:06,932 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (28 of 29 remaining) [2023-11-30 03:15:06,932 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (27 of 29 remaining) [2023-11-30 03:15:06,932 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (26 of 29 remaining) [2023-11-30 03:15:06,932 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (25 of 29 remaining) [2023-11-30 03:15:06,932 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (24 of 29 remaining) [2023-11-30 03:15:06,933 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (23 of 29 remaining) [2023-11-30 03:15:06,933 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (22 of 29 remaining) [2023-11-30 03:15:06,933 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (21 of 29 remaining) [2023-11-30 03:15:06,933 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (20 of 29 remaining) [2023-11-30 03:15:06,933 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (19 of 29 remaining) [2023-11-30 03:15:06,933 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (18 of 29 remaining) [2023-11-30 03:15:06,933 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (17 of 29 remaining) [2023-11-30 03:15:06,933 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (16 of 29 remaining) [2023-11-30 03:15:06,933 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (15 of 29 remaining) [2023-11-30 03:15:06,933 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (14 of 29 remaining) [2023-11-30 03:15:06,934 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (13 of 29 remaining) [2023-11-30 03:15:06,934 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (12 of 29 remaining) [2023-11-30 03:15:06,935 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 29 remaining) [2023-11-30 03:15:06,935 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 29 remaining) [2023-11-30 03:15:06,935 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (9 of 29 remaining) [2023-11-30 03:15:06,935 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (8 of 29 remaining) [2023-11-30 03:15:06,936 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (7 of 29 remaining) [2023-11-30 03:15:06,936 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (6 of 29 remaining) [2023-11-30 03:15:06,936 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (5 of 29 remaining) [2023-11-30 03:15:06,936 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (4 of 29 remaining) [2023-11-30 03:15:06,936 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (3 of 29 remaining) [2023-11-30 03:15:06,936 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (2 of 29 remaining) [2023-11-30 03:15:06,936 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (1 of 29 remaining) [2023-11-30 03:15:06,937 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (0 of 29 remaining) [2023-11-30 03:15:06,937 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-30 03:15:06,938 INFO L457 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2023-11-30 03:15:06,942 INFO L222 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-30 03:15:06,942 INFO L172 ceAbstractionStarter]: Computing trace abstraction results [2023-11-30 03:15:06,947 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 03:15:06 BasicIcfg [2023-11-30 03:15:06,948 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-30 03:15:06,948 INFO L158 Benchmark]: Toolchain (without parser) took 3657.25ms. Allocated memory is still 627.0MB. Free memory was 576.2MB in the beginning and 423.3MB in the end (delta: 152.9MB). Peak memory consumption was 155.0MB. Max. memory is 16.0GB. [2023-11-30 03:15:06,948 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 367.0MB. Free memory is still 317.4MB. There was no memory consumed. Max. memory is 16.0GB. [2023-11-30 03:15:06,948 INFO L158 Benchmark]: CACSL2BoogieTranslator took 189.49ms. Allocated memory is still 627.0MB. Free memory was 575.8MB in the beginning and 563.7MB in the end (delta: 12.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.0GB. [2023-11-30 03:15:06,948 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.49ms. Allocated memory is still 627.0MB. Free memory was 563.7MB in the beginning and 561.1MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. [2023-11-30 03:15:06,949 INFO L158 Benchmark]: Boogie Preprocessor took 38.67ms. Allocated memory is still 627.0MB. Free memory was 561.1MB in the beginning and 559.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-11-30 03:15:06,949 INFO L158 Benchmark]: RCFGBuilder took 720.17ms. Allocated memory is still 627.0MB. Free memory was 559.0MB in the beginning and 583.7MB in the end (delta: -24.7MB). Peak memory consumption was 41.8MB. Max. memory is 16.0GB. [2023-11-30 03:15:06,949 INFO L158 Benchmark]: TraceAbstraction took 2662.97ms. Allocated memory is still 627.0MB. Free memory was 582.6MB in the beginning and 423.3MB in the end (delta: 159.4MB). Peak memory consumption was 159.4MB. Max. memory is 16.0GB. [2023-11-30 03:15:06,951 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 367.0MB. Free memory is still 317.4MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 189.49ms. Allocated memory is still 627.0MB. Free memory was 575.8MB in the beginning and 563.7MB in the end (delta: 12.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 40.49ms. Allocated memory is still 627.0MB. Free memory was 563.7MB in the beginning and 561.1MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. * Boogie Preprocessor took 38.67ms. Allocated memory is still 627.0MB. Free memory was 561.1MB in the beginning and 559.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 720.17ms. Allocated memory is still 627.0MB. Free memory was 559.0MB in the beginning and 583.7MB in the end (delta: -24.7MB). Peak memory consumption was 41.8MB. Max. memory is 16.0GB. * TraceAbstraction took 2662.97ms. Allocated memory is still 627.0MB. Free memory was 582.6MB in the beginning and 423.3MB in the end (delta: 159.4MB). Peak memory consumption was 159.4MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 49]: 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: 54]: 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: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: 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: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: 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, 206 locations, 29 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: 2.5s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 40 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 40 mSDsluCounter, 74 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 24 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 311 IncrementalHoareTripleChecker+Invalid, 335 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 24 mSolverCounterUnsat, 74 mSDtfsCounter, 311 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1370occurred in iteration=7, InterpolantAutomatonStates: 30, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 411 NumberOfCodeBlocks, 411 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 404 ConstructedInterpolants, 0 QuantifiedInterpolants, 689 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 17 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-30 03:15:06,964 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...