/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg true --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true --cacsl2boogietranslator.check.unreachability.of.reach_error.function false -i ../../../trunk/examples/svcomp/pthread-atomic/read_write_lock-1-pthread.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.empire-owicki-175f719-m [2023-11-30 00:15:25,056 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-30 00:15:25,118 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf [2023-11-30 00:15:25,147 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-30 00:15:25,148 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-30 00:15:25,148 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-30 00:15:25,148 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-30 00:15:25,149 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-30 00:15:25,149 INFO L153 SettingsManager]: * Use SBE=true [2023-11-30 00:15:25,152 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-30 00:15:25,152 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-30 00:15:25,152 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-30 00:15:25,152 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-30 00:15:25,153 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-30 00:15:25,153 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-30 00:15:25,153 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-30 00:15:25,153 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-30 00:15:25,153 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-30 00:15:25,153 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-30 00:15:25,154 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-30 00:15:25,154 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-30 00:15:25,154 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-30 00:15:25,154 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-30 00:15:25,155 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-30 00:15:25,155 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-30 00:15:25,155 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 00:15:25,155 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-30 00:15:25,155 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-30 00:15:25,155 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-30 00:15:25,155 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-30 00:15:25,156 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-30 00:15:25,156 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-30 00:15:25,156 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-30 00:15:25,156 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2023-11-30 00:15:25,317 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-30 00:15:25,335 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-30 00:15:25,336 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-30 00:15:25,337 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-30 00:15:25,338 INFO L274 PluginConnector]: CDTParser initialized [2023-11-30 00:15:25,339 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/read_write_lock-1-pthread.i [2023-11-30 00:15:26,299 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-30 00:15:26,497 INFO L384 CDTParser]: Found 1 translation units. [2023-11-30 00:15:26,498 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/read_write_lock-1-pthread.i [2023-11-30 00:15:26,512 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/022db2cf9/d3743056bc3e4a79bccf9a46e5d0d010/FLAGf150e443b [2023-11-30 00:15:26,521 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/022db2cf9/d3743056bc3e4a79bccf9a46e5d0d010 [2023-11-30 00:15:26,522 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-30 00:15:26,523 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-30 00:15:26,524 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-30 00:15:26,524 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-30 00:15:26,529 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-30 00:15:26,529 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:15:26" (1/1) ... [2023-11-30 00:15:26,530 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f08fb9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:15:26, skipping insertion in model container [2023-11-30 00:15:26,530 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:15:26" (1/1) ... [2023-11-30 00:15:26,572 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-30 00:15:26,754 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 00:15:26,769 INFO L202 MainTranslator]: Completed pre-run [2023-11-30 00:15:26,798 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 00:15:26,817 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-30 00:15:26,817 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-30 00:15:26,822 INFO L206 MainTranslator]: Completed translation [2023-11-30 00:15:26,822 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:15:26 WrapperNode [2023-11-30 00:15:26,822 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-30 00:15:26,823 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-30 00:15:26,823 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-30 00:15:26,823 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-30 00:15:26,827 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:15:26" (1/1) ... [2023-11-30 00:15:26,836 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:15:26" (1/1) ... [2023-11-30 00:15:26,860 INFO L138 Inliner]: procedures = 166, calls = 55, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 139 [2023-11-30 00:15:26,860 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-30 00:15:26,861 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-30 00:15:26,861 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-30 00:15:26,861 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-30 00:15:26,866 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:15:26" (1/1) ... [2023-11-30 00:15:26,866 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:15:26" (1/1) ... [2023-11-30 00:15:26,882 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:15:26" (1/1) ... [2023-11-30 00:15:26,882 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:15:26" (1/1) ... [2023-11-30 00:15:26,888 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:15:26" (1/1) ... [2023-11-30 00:15:26,890 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:15:26" (1/1) ... [2023-11-30 00:15:26,891 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:15:26" (1/1) ... [2023-11-30 00:15:26,892 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:15:26" (1/1) ... [2023-11-30 00:15:26,893 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-30 00:15:26,894 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-30 00:15:26,894 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-30 00:15:26,894 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-30 00:15:26,895 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:15:26" (1/1) ... [2023-11-30 00:15:26,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 00:15:26,915 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-30 00:15:26,924 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-30 00:15:26,946 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-30 00:15:26,952 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsRwLockUnlock [2023-11-30 00:15:26,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-30 00:15:26,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-30 00:15:26,952 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsRwLockReadLock [2023-11-30 00:15:26,953 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-30 00:15:26,953 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-30 00:15:26,953 INFO L130 BoogieDeclarations]: Found specification of procedure reader [2023-11-30 00:15:26,953 INFO L138 BoogieDeclarations]: Found implementation of procedure reader [2023-11-30 00:15:26,953 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-30 00:15:26,954 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsRwLockWriteLock [2023-11-30 00:15:26,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-30 00:15:26,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-30 00:15:26,954 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-30 00:15:26,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-30 00:15:26,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-30 00:15:26,954 INFO L130 BoogieDeclarations]: Found specification of procedure writer [2023-11-30 00:15:26,954 INFO L138 BoogieDeclarations]: Found implementation of procedure writer [2023-11-30 00:15:26,955 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-30 00:15:27,060 INFO L241 CfgBuilder]: Building ICFG [2023-11-30 00:15:27,061 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-30 00:15:27,248 INFO L282 CfgBuilder]: Performing block encoding [2023-11-30 00:15:27,281 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-30 00:15:27,281 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-30 00:15:27,282 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:15:27 BoogieIcfgContainer [2023-11-30 00:15:27,282 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-30 00:15:27,284 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-30 00:15:27,284 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-30 00:15:27,286 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-30 00:15:27,286 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 12:15:26" (1/3) ... [2023-11-30 00:15:27,286 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ed603f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:15:27, skipping insertion in model container [2023-11-30 00:15:27,286 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:15:26" (2/3) ... [2023-11-30 00:15:27,287 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ed603f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:15:27, skipping insertion in model container [2023-11-30 00:15:27,287 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:15:27" (3/3) ... [2023-11-30 00:15:27,288 INFO L112 eAbstractionObserver]: Analyzing ICFG read_write_lock-1-pthread.i [2023-11-30 00:15:27,310 INFO L197 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-30 00:15:27,310 INFO L156 ceAbstractionStarter]: Applying trace abstraction to program that has 9 error locations. [2023-11-30 00:15:27,310 INFO L508 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-30 00:15:27,393 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2023-11-30 00:15:27,435 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 186 places, 177 transitions, 382 flow [2023-11-30 00:15:27,495 INFO L124 PetriNetUnfolderBase]: 4/173 cut-off events. [2023-11-30 00:15:27,495 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2023-11-30 00:15:27,511 INFO L83 FinitePrefix]: Finished finitePrefix Result has 190 conditions, 173 events. 4/173 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 244 event pairs, 0 based on Foata normal form. 0/155 useless extension candidates. Maximal degree in co-relation 113. Up to 2 conditions per place. [2023-11-30 00:15:27,511 INFO L82 GeneralOperation]: Start removeDead. Operand has 186 places, 177 transitions, 382 flow [2023-11-30 00:15:27,518 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 168 places, 159 transitions, 339 flow [2023-11-30 00:15:27,527 INFO L361 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-30 00:15:27,531 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;@12e9c834, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-30 00:15:27,531 INFO L363 AbstractCegarLoop]: Starting to check reachability of 23 error locations. [2023-11-30 00:15:27,539 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-30 00:15:27,540 INFO L124 PetriNetUnfolderBase]: 0/45 cut-off events. [2023-11-30 00:15:27,540 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-30 00:15:27,540 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 00:15:27,540 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] [2023-11-30 00:15:27,541 INFO L425 AbstractCegarLoop]: === Iteration 1 === Targeting writerErr0ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE (and 19 more)] === [2023-11-30 00:15:27,544 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 00:15:27,544 INFO L85 PathProgramCache]: Analyzing trace with hash 1718089622, now seen corresponding path program 1 times [2023-11-30 00:15:27,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 00:15:27,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218131343] [2023-11-30 00:15:27,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 00:15:27,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 00:15:27,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 00:15:27,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 00:15:27,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 00:15:27,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218131343] [2023-11-30 00:15:27,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [218131343] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 00:15:27,747 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 00:15:27,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 00:15:27,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889311186] [2023-11-30 00:15:27,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 00:15:27,753 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 00:15:27,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 00:15:27,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 00:15:27,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 00:15:27,784 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 133 out of 177 [2023-11-30 00:15:27,788 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 168 places, 159 transitions, 339 flow. Second operand has 3 states, 3 states have (on average 134.66666666666666) internal successors, (404), 3 states have internal predecessors, (404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:15:27,788 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 00:15:27,788 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 133 of 177 [2023-11-30 00:15:27,789 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 00:15:29,639 INFO L124 PetriNetUnfolderBase]: 9120/17630 cut-off events. [2023-11-30 00:15:29,640 INFO L125 PetriNetUnfolderBase]: For 1509/1530 co-relation queries the response was YES. [2023-11-30 00:15:29,690 INFO L83 FinitePrefix]: Finished finitePrefix Result has 31797 conditions, 17630 events. 9120/17630 cut-off events. For 1509/1530 co-relation queries the response was YES. Maximal size of possible extension queue 783. Compared 164123 event pairs, 6642 based on Foata normal form. 1515/17435 useless extension candidates. Maximal degree in co-relation 31249. Up to 10566 conditions per place. [2023-11-30 00:15:29,784 INFO L140 encePairwiseOnDemand]: 156/177 looper letters, 45 selfloop transitions, 8 changer transitions 0/165 dead transitions. [2023-11-30 00:15:29,784 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 158 places, 165 transitions, 466 flow [2023-11-30 00:15:29,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 00:15:29,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 00:15:29,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 477 transitions. [2023-11-30 00:15:29,797 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8983050847457628 [2023-11-30 00:15:29,798 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 477 transitions. [2023-11-30 00:15:29,798 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 477 transitions. [2023-11-30 00:15:29,800 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 00:15:29,801 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 477 transitions. [2023-11-30 00:15:29,805 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 159.0) internal successors, (477), 3 states have internal predecessors, (477), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:15:29,810 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 177.0) internal successors, (708), 4 states have internal predecessors, (708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:15:29,811 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 177.0) internal successors, (708), 4 states have internal predecessors, (708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:15:29,815 INFO L307 CegarLoopForPetriNet]: 168 programPoint places, -10 predicate places. [2023-11-30 00:15:29,815 INFO L500 AbstractCegarLoop]: Abstraction has has 158 places, 165 transitions, 466 flow [2023-11-30 00:15:29,816 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 134.66666666666666) internal successors, (404), 3 states have internal predecessors, (404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:15:29,816 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 00:15:29,816 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] [2023-11-30 00:15:29,817 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-30 00:15:29,817 INFO L425 AbstractCegarLoop]: === Iteration 2 === Targeting writerErr0ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE (and 19 more)] === [2023-11-30 00:15:29,817 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 00:15:29,818 INFO L85 PathProgramCache]: Analyzing trace with hash 2147315752, now seen corresponding path program 1 times [2023-11-30 00:15:29,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 00:15:29,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723307621] [2023-11-30 00:15:29,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 00:15:29,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 00:15:29,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 00:15:30,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 00:15:30,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 00:15:30,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723307621] [2023-11-30 00:15:30,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [723307621] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 00:15:30,037 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 00:15:30,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-30 00:15:30,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364265856] [2023-11-30 00:15:30,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 00:15:30,039 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 00:15:30,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 00:15:30,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 00:15:30,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 00:15:30,040 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 177 [2023-11-30 00:15:30,041 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 158 places, 165 transitions, 466 flow. Second operand has 3 states, 3 states have (on average 134.66666666666666) internal successors, (404), 3 states have internal predecessors, (404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:15:30,041 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 00:15:30,041 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 177 [2023-11-30 00:15:30,041 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 00:15:30,253 INFO L124 PetriNetUnfolderBase]: 847/1929 cut-off events. [2023-11-30 00:15:30,254 INFO L125 PetriNetUnfolderBase]: For 825/898 co-relation queries the response was YES. [2023-11-30 00:15:30,258 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4618 conditions, 1929 events. 847/1929 cut-off events. For 825/898 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 13834 event pairs, 497 based on Foata normal form. 834/2582 useless extension candidates. Maximal degree in co-relation 4564. Up to 1182 conditions per place. [2023-11-30 00:15:30,265 INFO L140 encePairwiseOnDemand]: 169/177 looper letters, 42 selfloop transitions, 4 changer transitions 0/120 dead transitions. [2023-11-30 00:15:30,265 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 120 transitions, 450 flow [2023-11-30 00:15:30,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 00:15:30,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 00:15:30,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 426 transitions. [2023-11-30 00:15:30,267 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8022598870056498 [2023-11-30 00:15:30,267 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 426 transitions. [2023-11-30 00:15:30,267 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 426 transitions. [2023-11-30 00:15:30,267 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 00:15:30,267 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 426 transitions. [2023-11-30 00:15:30,268 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 142.0) internal successors, (426), 3 states have internal predecessors, (426), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:15:30,269 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 177.0) internal successors, (708), 4 states have internal predecessors, (708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:15:30,270 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 177.0) internal successors, (708), 4 states have internal predecessors, (708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:15:30,270 INFO L307 CegarLoopForPetriNet]: 168 programPoint places, -51 predicate places. [2023-11-30 00:15:30,270 INFO L500 AbstractCegarLoop]: Abstraction has has 117 places, 120 transitions, 450 flow [2023-11-30 00:15:30,271 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 134.66666666666666) internal successors, (404), 3 states have internal predecessors, (404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:15:30,271 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 00:15:30,271 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] [2023-11-30 00:15:30,271 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-30 00:15:30,271 INFO L425 AbstractCegarLoop]: === Iteration 3 === Targeting writerErr0ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE (and 19 more)] === [2023-11-30 00:15:30,272 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 00:15:30,272 INFO L85 PathProgramCache]: Analyzing trace with hash 178448100, now seen corresponding path program 2 times [2023-11-30 00:15:30,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 00:15:30,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929328480] [2023-11-30 00:15:30,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 00:15:30,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 00:15:30,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 00:15:30,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 00:15:30,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 00:15:30,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929328480] [2023-11-30 00:15:30,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1929328480] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 00:15:30,385 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 00:15:30,385 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-30 00:15:30,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197553418] [2023-11-30 00:15:30,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 00:15:30,386 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 00:15:30,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 00:15:30,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 00:15:30,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 00:15:30,387 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 177 [2023-11-30 00:15:30,387 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 117 places, 120 transitions, 450 flow. Second operand has 3 states, 3 states have (on average 134.66666666666666) internal successors, (404), 3 states have internal predecessors, (404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:15:30,387 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 00:15:30,388 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 177 [2023-11-30 00:15:30,388 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 00:15:30,443 INFO L124 PetriNetUnfolderBase]: 54/303 cut-off events. [2023-11-30 00:15:30,444 INFO L125 PetriNetUnfolderBase]: For 269/305 co-relation queries the response was YES. [2023-11-30 00:15:30,445 INFO L83 FinitePrefix]: Finished finitePrefix Result has 750 conditions, 303 events. 54/303 cut-off events. For 269/305 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1445 event pairs, 33 based on Foata normal form. 33/312 useless extension candidates. Maximal degree in co-relation 682. Up to 118 conditions per place. [2023-11-30 00:15:30,446 INFO L140 encePairwiseOnDemand]: 173/177 looper letters, 36 selfloop transitions, 2 changer transitions 0/109 dead transitions. [2023-11-30 00:15:30,446 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 118 places, 109 transitions, 472 flow [2023-11-30 00:15:30,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 00:15:30,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 00:15:30,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 420 transitions. [2023-11-30 00:15:30,447 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7909604519774012 [2023-11-30 00:15:30,447 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 420 transitions. [2023-11-30 00:15:30,447 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 420 transitions. [2023-11-30 00:15:30,447 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 00:15:30,447 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 420 transitions. [2023-11-30 00:15:30,448 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 140.0) internal successors, (420), 3 states have internal predecessors, (420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:15:30,449 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 177.0) internal successors, (708), 4 states have internal predecessors, (708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:15:30,450 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 177.0) internal successors, (708), 4 states have internal predecessors, (708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:15:30,451 INFO L307 CegarLoopForPetriNet]: 168 programPoint places, -50 predicate places. [2023-11-30 00:15:30,451 INFO L500 AbstractCegarLoop]: Abstraction has has 118 places, 109 transitions, 472 flow [2023-11-30 00:15:30,451 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 134.66666666666666) internal successors, (404), 3 states have internal predecessors, (404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:15:30,451 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 00:15:30,451 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] [2023-11-30 00:15:30,451 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-30 00:15:30,452 INFO L425 AbstractCegarLoop]: === Iteration 4 === Targeting writerErr0ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE (and 19 more)] === [2023-11-30 00:15:30,452 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 00:15:30,452 INFO L85 PathProgramCache]: Analyzing trace with hash -1950706492, now seen corresponding path program 1 times [2023-11-30 00:15:30,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 00:15:30,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54379785] [2023-11-30 00:15:30,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 00:15:30,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 00:15:30,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 00:15:30,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 00:15:30,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 00:15:30,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54379785] [2023-11-30 00:15:30,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [54379785] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 00:15:30,508 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 00:15:30,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 00:15:30,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053136319] [2023-11-30 00:15:30,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 00:15:30,513 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 00:15:30,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 00:15:30,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 00:15:30,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 00:15:30,515 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 133 out of 177 [2023-11-30 00:15:30,516 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 118 places, 109 transitions, 472 flow. Second operand has 3 states, 3 states have (on average 135.33333333333334) internal successors, (406), 3 states have internal predecessors, (406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:15:30,516 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 00:15:30,516 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 133 of 177 [2023-11-30 00:15:30,516 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 00:15:30,569 INFO L124 PetriNetUnfolderBase]: 55/320 cut-off events. [2023-11-30 00:15:30,569 INFO L125 PetriNetUnfolderBase]: For 333/417 co-relation queries the response was YES. [2023-11-30 00:15:30,570 INFO L83 FinitePrefix]: Finished finitePrefix Result has 897 conditions, 320 events. 55/320 cut-off events. For 333/417 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1581 event pairs, 32 based on Foata normal form. 0/296 useless extension candidates. Maximal degree in co-relation 827. Up to 121 conditions per place. [2023-11-30 00:15:30,571 INFO L140 encePairwiseOnDemand]: 174/177 looper letters, 31 selfloop transitions, 2 changer transitions 0/109 dead transitions. [2023-11-30 00:15:30,571 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 119 places, 109 transitions, 545 flow [2023-11-30 00:15:30,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 00:15:30,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 00:15:30,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 423 transitions. [2023-11-30 00:15:30,573 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7966101694915254 [2023-11-30 00:15:30,573 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 423 transitions. [2023-11-30 00:15:30,573 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 423 transitions. [2023-11-30 00:15:30,574 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 00:15:30,574 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 423 transitions. [2023-11-30 00:15:30,575 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 141.0) internal successors, (423), 3 states have internal predecessors, (423), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:15:30,577 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 177.0) internal successors, (708), 4 states have internal predecessors, (708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:15:30,578 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 177.0) internal successors, (708), 4 states have internal predecessors, (708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:15:30,579 INFO L307 CegarLoopForPetriNet]: 168 programPoint places, -49 predicate places. [2023-11-30 00:15:30,579 INFO L500 AbstractCegarLoop]: Abstraction has has 119 places, 109 transitions, 545 flow [2023-11-30 00:15:30,580 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 135.33333333333334) internal successors, (406), 3 states have internal predecessors, (406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:15:30,580 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 00:15:30,580 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] [2023-11-30 00:15:30,580 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-30 00:15:30,580 INFO L425 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE (and 19 more)] === [2023-11-30 00:15:30,580 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 00:15:30,580 INFO L85 PathProgramCache]: Analyzing trace with hash -2012712764, now seen corresponding path program 1 times [2023-11-30 00:15:30,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 00:15:30,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563062022] [2023-11-30 00:15:30,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 00:15:30,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 00:15:30,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 00:15:30,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 00:15:30,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 00:15:30,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563062022] [2023-11-30 00:15:30,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1563062022] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 00:15:30,963 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 00:15:30,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 00:15:30,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351126957] [2023-11-30 00:15:30,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 00:15:30,963 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-30 00:15:30,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 00:15:30,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-30 00:15:30,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-30 00:15:30,965 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 110 out of 177 [2023-11-30 00:15:30,966 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 119 places, 109 transitions, 545 flow. Second operand has 6 states, 6 states have (on average 112.16666666666667) internal successors, (673), 6 states have internal predecessors, (673), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:15:30,966 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 00:15:30,966 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 177 [2023-11-30 00:15:30,966 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 00:15:31,139 INFO L124 PetriNetUnfolderBase]: 427/896 cut-off events. [2023-11-30 00:15:31,140 INFO L125 PetriNetUnfolderBase]: For 3797/3941 co-relation queries the response was YES. [2023-11-30 00:15:31,142 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3681 conditions, 896 events. 427/896 cut-off events. For 3797/3941 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 4863 event pairs, 82 based on Foata normal form. 1/874 useless extension candidates. Maximal degree in co-relation 3606. Up to 495 conditions per place. [2023-11-30 00:15:31,143 INFO L140 encePairwiseOnDemand]: 172/177 looper letters, 0 selfloop transitions, 0 changer transitions 164/164 dead transitions. [2023-11-30 00:15:31,143 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 164 transitions, 1287 flow [2023-11-30 00:15:31,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-30 00:15:31,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-30 00:15:31,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 734 transitions. [2023-11-30 00:15:31,145 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6911487758945386 [2023-11-30 00:15:31,145 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 734 transitions. [2023-11-30 00:15:31,145 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 734 transitions. [2023-11-30 00:15:31,146 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 00:15:31,146 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 734 transitions. [2023-11-30 00:15:31,147 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 122.33333333333333) internal successors, (734), 6 states have internal predecessors, (734), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:15:31,149 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 177.0) internal successors, (1239), 7 states have internal predecessors, (1239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:15:31,149 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 177.0) internal successors, (1239), 7 states have internal predecessors, (1239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:15:31,151 INFO L307 CegarLoopForPetriNet]: 168 programPoint places, -45 predicate places. [2023-11-30 00:15:31,151 INFO L500 AbstractCegarLoop]: Abstraction has has 123 places, 164 transitions, 1287 flow [2023-11-30 00:15:31,152 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 112.16666666666667) internal successors, (673), 6 states have internal predecessors, (673), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:15:31,158 INFO L143 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/read_write_lock-1-pthread.i_BEv2_AllErrorsAtOnce [2023-11-30 00:15:31,190 INFO L810 garLoopResultBuilder]: Registering result SAFE for location readerErr0ASSERT_VIOLATIONDATA_RACE (22 of 23 remaining) [2023-11-30 00:15:31,191 INFO L810 garLoopResultBuilder]: Registering result SAFE for location readerErr1ASSERT_VIOLATIONDATA_RACE (21 of 23 remaining) [2023-11-30 00:15:31,191 INFO L810 garLoopResultBuilder]: Registering result SAFE for location readerErr2ASSERT_VIOLATIONDATA_RACE (20 of 23 remaining) [2023-11-30 00:15:31,191 INFO L810 garLoopResultBuilder]: Registering result SAFE for location readerErr3ASSERT_VIOLATIONDATA_RACE (19 of 23 remaining) [2023-11-30 00:15:31,191 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (18 of 23 remaining) [2023-11-30 00:15:31,191 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (17 of 23 remaining) [2023-11-30 00:15:31,191 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (16 of 23 remaining) [2023-11-30 00:15:31,191 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (15 of 23 remaining) [2023-11-30 00:15:31,191 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (14 of 23 remaining) [2023-11-30 00:15:31,192 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (13 of 23 remaining) [2023-11-30 00:15:31,192 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 23 remaining) [2023-11-30 00:15:31,192 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 23 remaining) [2023-11-30 00:15:31,192 INFO L810 garLoopResultBuilder]: Registering result SAFE for location writerErr0ASSERT_VIOLATIONDATA_RACE (10 of 23 remaining) [2023-11-30 00:15:31,192 INFO L810 garLoopResultBuilder]: Registering result SAFE for location readerErr0ASSERT_VIOLATIONDATA_RACE (9 of 23 remaining) [2023-11-30 00:15:31,192 INFO L810 garLoopResultBuilder]: Registering result SAFE for location readerErr1ASSERT_VIOLATIONDATA_RACE (8 of 23 remaining) [2023-11-30 00:15:31,192 INFO L810 garLoopResultBuilder]: Registering result SAFE for location readerErr2ASSERT_VIOLATIONDATA_RACE (7 of 23 remaining) [2023-11-30 00:15:31,192 INFO L810 garLoopResultBuilder]: Registering result SAFE for location readerErr3ASSERT_VIOLATIONDATA_RACE (6 of 23 remaining) [2023-11-30 00:15:31,193 INFO L810 garLoopResultBuilder]: Registering result SAFE for location readerErr0ASSERT_VIOLATIONDATA_RACE (5 of 23 remaining) [2023-11-30 00:15:31,193 INFO L810 garLoopResultBuilder]: Registering result SAFE for location readerErr1ASSERT_VIOLATIONDATA_RACE (4 of 23 remaining) [2023-11-30 00:15:31,193 INFO L810 garLoopResultBuilder]: Registering result SAFE for location readerErr2ASSERT_VIOLATIONDATA_RACE (3 of 23 remaining) [2023-11-30 00:15:31,193 INFO L810 garLoopResultBuilder]: Registering result SAFE for location readerErr3ASSERT_VIOLATIONDATA_RACE (2 of 23 remaining) [2023-11-30 00:15:31,193 INFO L810 garLoopResultBuilder]: Registering result SAFE for location writerErr0ASSERT_VIOLATIONDATA_RACE (1 of 23 remaining) [2023-11-30 00:15:31,193 INFO L810 garLoopResultBuilder]: Registering result SAFE for location writerErr0ASSERT_VIOLATIONDATA_RACE (0 of 23 remaining) [2023-11-30 00:15:31,193 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-30 00:15:31,194 INFO L457 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1] [2023-11-30 00:15:31,197 INFO L222 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-30 00:15:31,197 INFO L172 ceAbstractionStarter]: Computing trace abstraction results [2023-11-30 00:15:31,201 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 12:15:31 BasicIcfg [2023-11-30 00:15:31,201 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-30 00:15:31,202 INFO L158 Benchmark]: Toolchain (without parser) took 4678.56ms. Allocated memory was 601.9MB in the beginning and 1.8GB in the end (delta: 1.2GB). Free memory was 554.1MB in the beginning and 1.5GB in the end (delta: -963.5MB). Peak memory consumption was 249.7MB. Max. memory is 16.0GB. [2023-11-30 00:15:31,202 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 360.7MB. Free memory is still 309.2MB. There was no memory consumed. Max. memory is 16.0GB. [2023-11-30 00:15:31,202 INFO L158 Benchmark]: CACSL2BoogieTranslator took 298.36ms. Allocated memory is still 601.9MB. Free memory was 554.1MB in the beginning and 533.6MB in the end (delta: 20.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.0GB. [2023-11-30 00:15:31,202 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.28ms. Allocated memory is still 601.9MB. Free memory was 533.6MB in the beginning and 531.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-11-30 00:15:31,203 INFO L158 Benchmark]: Boogie Preprocessor took 33.00ms. Allocated memory is still 601.9MB. Free memory was 531.2MB in the beginning and 529.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-11-30 00:15:31,203 INFO L158 Benchmark]: RCFGBuilder took 388.22ms. Allocated memory is still 601.9MB. Free memory was 529.1MB in the beginning and 508.1MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.0GB. [2023-11-30 00:15:31,203 INFO L158 Benchmark]: TraceAbstraction took 3917.77ms. Allocated memory was 601.9MB in the beginning and 1.8GB in the end (delta: 1.2GB). Free memory was 507.3MB in the beginning and 1.5GB in the end (delta: -1.0GB). Peak memory consumption was 201.5MB. Max. memory is 16.0GB. [2023-11-30 00:15:31,204 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 360.7MB. Free memory is still 309.2MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 298.36ms. Allocated memory is still 601.9MB. Free memory was 554.1MB in the beginning and 533.6MB in the end (delta: 20.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 37.28ms. Allocated memory is still 601.9MB. Free memory was 533.6MB in the beginning and 531.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 33.00ms. Allocated memory is still 601.9MB. Free memory was 531.2MB in the beginning and 529.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 388.22ms. Allocated memory is still 601.9MB. Free memory was 529.1MB in the beginning and 508.1MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.0GB. * TraceAbstraction took 3917.77ms. Allocated memory was 601.9MB in the beginning and 1.8GB in the end (delta: 1.2GB). Free memory was 507.3MB in the beginning and 1.5GB in the end (delta: -1.0GB). Peak memory consumption was 201.5MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 699]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 702]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 705]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 708]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 720]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 721]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 722]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 723]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 691]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 215 locations, 23 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: 3.8s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 2.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 82 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 82 mSDsluCounter, 42 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 355 IncrementalHoareTripleChecker+Invalid, 366 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 42 mSDtfsCounter, 355 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1287occurred in iteration=5, InterpolantAutomatonStates: 18, 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, 243 NumberOfCodeBlocks, 243 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 238 ConstructedInterpolants, 0 QuantifiedInterpolants, 378 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 9 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-30 00:15:31,224 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...