/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-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.empire-owicki-175f719-m [2023-11-30 00:16:10,356 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-30 00:16:10,419 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 00:16:10,443 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-30 00:16:10,444 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-30 00:16:10,444 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-30 00:16:10,444 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-30 00:16:10,445 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-30 00:16:10,445 INFO L153 SettingsManager]: * Use SBE=true [2023-11-30 00:16:10,447 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-30 00:16:10,448 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-30 00:16:10,448 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-30 00:16:10,448 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-30 00:16:10,449 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-30 00:16:10,449 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-30 00:16:10,449 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-30 00:16:10,450 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-30 00:16:10,450 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-30 00:16:10,450 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-30 00:16:10,450 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-30 00:16:10,450 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-30 00:16:10,451 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-30 00:16:10,451 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-30 00:16:10,451 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-30 00:16:10,451 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-30 00:16:10,452 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 00:16:10,452 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-30 00:16:10,452 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-30 00:16:10,452 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-30 00:16:10,453 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-30 00:16:10,453 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-30 00:16:10,453 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-30 00:16:10,453 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-30 00:16:10,453 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2023-11-30 00:16:10,640 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-30 00:16:10,659 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-30 00:16:10,660 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-30 00:16:10,661 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-30 00:16:10,661 INFO L274 PluginConnector]: CDTParser initialized [2023-11-30 00:16:10,662 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/read_write_lock-2.i [2023-11-30 00:16:11,565 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-30 00:16:11,764 INFO L384 CDTParser]: Found 1 translation units. [2023-11-30 00:16:11,769 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/read_write_lock-2.i [2023-11-30 00:16:11,786 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3329d6862/11f6b6d8d9bf490198ce0512aecb76be/FLAG191e3c4ae [2023-11-30 00:16:11,798 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3329d6862/11f6b6d8d9bf490198ce0512aecb76be [2023-11-30 00:16:11,800 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-30 00:16:11,801 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-30 00:16:11,803 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-30 00:16:11,803 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-30 00:16:11,807 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-30 00:16:11,807 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:16:11" (1/1) ... [2023-11-30 00:16:11,808 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@442dcea4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:16:11, skipping insertion in model container [2023-11-30 00:16:11,809 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:16:11" (1/1) ... [2023-11-30 00:16:11,848 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-30 00:16:12,070 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 00:16:12,081 INFO L202 MainTranslator]: Completed pre-run [2023-11-30 00:16:12,129 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 00:16:12,156 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-30 00:16:12,156 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-30 00:16:12,161 INFO L206 MainTranslator]: Completed translation [2023-11-30 00:16:12,161 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:16:12 WrapperNode [2023-11-30 00:16:12,161 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-30 00:16:12,162 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-30 00:16:12,162 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-30 00:16:12,162 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-30 00:16:12,167 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:16:12" (1/1) ... [2023-11-30 00:16:12,177 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:16:12" (1/1) ... [2023-11-30 00:16:12,195 INFO L138 Inliner]: procedures = 173, calls = 51, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 185 [2023-11-30 00:16:12,195 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-30 00:16:12,196 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-30 00:16:12,196 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-30 00:16:12,196 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-30 00:16:12,202 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:16:12" (1/1) ... [2023-11-30 00:16:12,202 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:16:12" (1/1) ... [2023-11-30 00:16:12,205 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:16:12" (1/1) ... [2023-11-30 00:16:12,205 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:16:12" (1/1) ... [2023-11-30 00:16:12,211 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:16:12" (1/1) ... [2023-11-30 00:16:12,219 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:16:12" (1/1) ... [2023-11-30 00:16:12,222 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:16:12" (1/1) ... [2023-11-30 00:16:12,223 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:16:12" (1/1) ... [2023-11-30 00:16:12,225 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-30 00:16:12,236 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-30 00:16:12,237 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-30 00:16:12,237 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-30 00:16:12,237 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:16:12" (1/1) ... [2023-11-30 00:16:12,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 00:16:12,247 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-30 00:16:12,257 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 00:16:12,259 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 00:16:12,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-30 00:16:12,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-30 00:16:12,275 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-30 00:16:12,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-30 00:16:12,275 INFO L130 BoogieDeclarations]: Found specification of procedure reader [2023-11-30 00:16:12,275 INFO L138 BoogieDeclarations]: Found implementation of procedure reader [2023-11-30 00:16:12,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-30 00:16:12,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-30 00:16:12,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-30 00:16:12,275 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-30 00:16:12,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-30 00:16:12,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-30 00:16:12,275 INFO L130 BoogieDeclarations]: Found specification of procedure writer [2023-11-30 00:16:12,275 INFO L138 BoogieDeclarations]: Found implementation of procedure writer [2023-11-30 00:16:12,276 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 00:16:12,367 INFO L241 CfgBuilder]: Building ICFG [2023-11-30 00:16:12,368 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-30 00:16:12,620 INFO L282 CfgBuilder]: Performing block encoding [2023-11-30 00:16:12,690 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-30 00:16:12,691 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-30 00:16:12,692 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:16:12 BoogieIcfgContainer [2023-11-30 00:16:12,692 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-30 00:16:12,693 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-30 00:16:12,693 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-30 00:16:12,695 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-30 00:16:12,695 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 12:16:11" (1/3) ... [2023-11-30 00:16:12,698 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@af6f469 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:16:12, skipping insertion in model container [2023-11-30 00:16:12,698 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:16:12" (2/3) ... [2023-11-30 00:16:12,698 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@af6f469 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:16:12, skipping insertion in model container [2023-11-30 00:16:12,698 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:16:12" (3/3) ... [2023-11-30 00:16:12,701 INFO L112 eAbstractionObserver]: Analyzing ICFG read_write_lock-2.i [2023-11-30 00:16:12,713 INFO L197 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-30 00:16:12,713 INFO L156 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2023-11-30 00:16:12,713 INFO L508 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-30 00:16:12,778 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2023-11-30 00:16:12,810 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 179 places, 170 transitions, 368 flow [2023-11-30 00:16:12,880 INFO L124 PetriNetUnfolderBase]: 4/166 cut-off events. [2023-11-30 00:16:12,880 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2023-11-30 00:16:12,892 INFO L83 FinitePrefix]: Finished finitePrefix Result has 183 conditions, 166 events. 4/166 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 269 event pairs, 0 based on Foata normal form. 0/130 useless extension candidates. Maximal degree in co-relation 117. Up to 2 conditions per place. [2023-11-30 00:16:12,892 INFO L82 GeneralOperation]: Start removeDead. Operand has 179 places, 170 transitions, 368 flow [2023-11-30 00:16:12,900 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 161 places, 152 transitions, 325 flow [2023-11-30 00:16:12,912 INFO L361 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-30 00:16:12,917 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;@17d524aa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-30 00:16:12,917 INFO L363 AbstractCegarLoop]: Starting to check reachability of 50 error locations. [2023-11-30 00:16:12,924 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-30 00:16:12,924 INFO L124 PetriNetUnfolderBase]: 0/23 cut-off events. [2023-11-30 00:16:12,924 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-30 00:16:12,924 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 00:16:12,925 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 00:16:12,925 INFO L425 AbstractCegarLoop]: === Iteration 1 === Targeting writerErr0ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2023-11-30 00:16:12,928 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 00:16:12,928 INFO L85 PathProgramCache]: Analyzing trace with hash 1288615098, now seen corresponding path program 1 times [2023-11-30 00:16:12,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 00:16:12,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94049701] [2023-11-30 00:16:12,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 00:16:12,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 00:16:13,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 00:16:13,093 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 00:16:13,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 00:16:13,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94049701] [2023-11-30 00:16:13,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [94049701] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 00:16:13,095 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 00:16:13,095 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-30 00:16:13,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939095039] [2023-11-30 00:16:13,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 00:16:13,103 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-30 00:16:13,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 00:16:13,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-30 00:16:13,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-30 00:16:13,127 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 110 out of 170 [2023-11-30 00:16:13,130 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 161 places, 152 transitions, 325 flow. Second operand has 2 states, 2 states have (on average 111.0) internal successors, (222), 2 states have internal predecessors, (222), 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 00:16:13,130 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 00:16:13,130 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 170 [2023-11-30 00:16:13,131 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 00:16:13,976 INFO L124 PetriNetUnfolderBase]: 3363/6400 cut-off events. [2023-11-30 00:16:13,976 INFO L125 PetriNetUnfolderBase]: For 1125/1197 co-relation queries the response was YES. [2023-11-30 00:16:13,992 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11879 conditions, 6400 events. 3363/6400 cut-off events. For 1125/1197 co-relation queries the response was YES. Maximal size of possible extension queue 360. Compared 50233 event pairs, 3363 based on Foata normal form. 628/6786 useless extension candidates. Maximal degree in co-relation 11496. Up to 4848 conditions per place. [2023-11-30 00:16:14,023 INFO L140 encePairwiseOnDemand]: 138/170 looper letters, 27 selfloop transitions, 0 changer transitions 0/116 dead transitions. [2023-11-30 00:16:14,024 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 130 places, 116 transitions, 307 flow [2023-11-30 00:16:14,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-30 00:16:14,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-30 00:16:14,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 279 transitions. [2023-11-30 00:16:14,036 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8205882352941176 [2023-11-30 00:16:14,037 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 279 transitions. [2023-11-30 00:16:14,037 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 279 transitions. [2023-11-30 00:16:14,038 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 00:16:14,039 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 279 transitions. [2023-11-30 00:16:14,041 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 139.5) internal successors, (279), 2 states have internal predecessors, (279), 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 00:16:14,058 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 170.0) internal successors, (510), 3 states have internal predecessors, (510), 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 00:16:14,059 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 170.0) internal successors, (510), 3 states have internal predecessors, (510), 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 00:16:14,062 INFO L307 CegarLoopForPetriNet]: 161 programPoint places, -31 predicate places. [2023-11-30 00:16:14,062 INFO L500 AbstractCegarLoop]: Abstraction has has 130 places, 116 transitions, 307 flow [2023-11-30 00:16:14,063 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 111.0) internal successors, (222), 2 states have internal predecessors, (222), 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 00:16:14,063 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 00:16:14,063 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 00:16:14,063 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-30 00:16:14,063 INFO L425 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2023-11-30 00:16:14,064 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 00:16:14,064 INFO L85 PathProgramCache]: Analyzing trace with hash -911747748, now seen corresponding path program 1 times [2023-11-30 00:16:14,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 00:16:14,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301286174] [2023-11-30 00:16:14,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 00:16:14,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 00:16:14,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 00:16:14,603 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 00:16:14,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 00:16:14,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301286174] [2023-11-30 00:16:14,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1301286174] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 00:16:14,604 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 00:16:14,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 00:16:14,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079611736] [2023-11-30 00:16:14,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 00:16:14,605 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-30 00:16:14,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 00:16:14,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-30 00:16:14,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-30 00:16:14,608 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 79 out of 170 [2023-11-30 00:16:14,608 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 116 transitions, 307 flow. Second operand has 6 states, 6 states have (on average 81.16666666666667) internal successors, (487), 6 states have internal predecessors, (487), 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 00:16:14,608 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 00:16:14,608 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 79 of 170 [2023-11-30 00:16:14,608 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 00:16:17,812 INFO L124 PetriNetUnfolderBase]: 27525/39571 cut-off events. [2023-11-30 00:16:17,813 INFO L125 PetriNetUnfolderBase]: For 22230/22502 co-relation queries the response was YES. [2023-11-30 00:16:17,886 INFO L83 FinitePrefix]: Finished finitePrefix Result has 106145 conditions, 39571 events. 27525/39571 cut-off events. For 22230/22502 co-relation queries the response was YES. Maximal size of possible extension queue 1278. Compared 265400 event pairs, 5992 based on Foata normal form. 0/38967 useless extension candidates. Maximal degree in co-relation 105435. Up to 29010 conditions per place. [2023-11-30 00:16:18,097 INFO L140 encePairwiseOnDemand]: 165/170 looper letters, 129 selfloop transitions, 4 changer transitions 1/195 dead transitions. [2023-11-30 00:16:18,097 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 134 places, 195 transitions, 893 flow [2023-11-30 00:16:18,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-30 00:16:18,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-30 00:16:18,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 609 transitions. [2023-11-30 00:16:18,100 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.5970588235294118 [2023-11-30 00:16:18,100 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 609 transitions. [2023-11-30 00:16:18,100 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 609 transitions. [2023-11-30 00:16:18,100 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 00:16:18,100 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 609 transitions. [2023-11-30 00:16:18,102 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 101.5) internal successors, (609), 6 states have internal predecessors, (609), 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 00:16:18,104 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 170.0) internal successors, (1190), 7 states have internal predecessors, (1190), 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 00:16:18,104 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 170.0) internal successors, (1190), 7 states have internal predecessors, (1190), 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 00:16:18,105 INFO L307 CegarLoopForPetriNet]: 161 programPoint places, -27 predicate places. [2023-11-30 00:16:18,105 INFO L500 AbstractCegarLoop]: Abstraction has has 134 places, 195 transitions, 893 flow [2023-11-30 00:16:18,105 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 81.16666666666667) internal successors, (487), 6 states have internal predecessors, (487), 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 00:16:18,105 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 00:16:18,105 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] [2023-11-30 00:16:18,105 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-30 00:16:18,106 INFO L425 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2023-11-30 00:16:18,106 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 00:16:18,106 INFO L85 PathProgramCache]: Analyzing trace with hash -1338227468, now seen corresponding path program 1 times [2023-11-30 00:16:18,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 00:16:18,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368066293] [2023-11-30 00:16:18,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 00:16:18,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 00:16:18,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 00:16:18,558 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 00:16:18,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 00:16:18,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368066293] [2023-11-30 00:16:18,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1368066293] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 00:16:18,559 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 00:16:18,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 00:16:18,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371393980] [2023-11-30 00:16:18,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 00:16:18,561 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-30 00:16:18,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 00:16:18,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-30 00:16:18,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-30 00:16:18,563 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 79 out of 170 [2023-11-30 00:16:18,565 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 134 places, 195 transitions, 893 flow. Second operand has 6 states, 6 states have (on average 82.66666666666667) internal successors, (496), 6 states have internal predecessors, (496), 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 00:16:18,566 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 00:16:18,566 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 79 of 170 [2023-11-30 00:16:18,566 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 00:16:21,625 INFO L124 PetriNetUnfolderBase]: 27528/39360 cut-off events. [2023-11-30 00:16:21,625 INFO L125 PetriNetUnfolderBase]: For 24627/25395 co-relation queries the response was YES. [2023-11-30 00:16:21,683 INFO L83 FinitePrefix]: Finished finitePrefix Result has 141599 conditions, 39360 events. 27528/39360 cut-off events. For 24627/25395 co-relation queries the response was YES. Maximal size of possible extension queue 1283. Compared 260834 event pairs, 5995 based on Foata normal form. 0/38993 useless extension candidates. Maximal degree in co-relation 115101. Up to 30742 conditions per place. [2023-11-30 00:16:21,858 INFO L140 encePairwiseOnDemand]: 165/170 looper letters, 196 selfloop transitions, 4 changer transitions 1/262 dead transitions. [2023-11-30 00:16:21,858 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 262 transitions, 1699 flow [2023-11-30 00:16:21,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-30 00:16:21,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-30 00:16:21,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 596 transitions. [2023-11-30 00:16:21,860 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.5843137254901961 [2023-11-30 00:16:21,860 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 596 transitions. [2023-11-30 00:16:21,860 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 596 transitions. [2023-11-30 00:16:21,860 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 00:16:21,860 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 596 transitions. [2023-11-30 00:16:21,861 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 99.33333333333333) internal successors, (596), 6 states have internal predecessors, (596), 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 00:16:21,863 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 170.0) internal successors, (1190), 7 states have internal predecessors, (1190), 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 00:16:21,863 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 170.0) internal successors, (1190), 7 states have internal predecessors, (1190), 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 00:16:21,864 INFO L307 CegarLoopForPetriNet]: 161 programPoint places, -23 predicate places. [2023-11-30 00:16:21,864 INFO L500 AbstractCegarLoop]: Abstraction has has 138 places, 262 transitions, 1699 flow [2023-11-30 00:16:21,864 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 82.66666666666667) internal successors, (496), 6 states have internal predecessors, (496), 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 00:16:21,864 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 00:16:21,864 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] [2023-11-30 00:16:21,865 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-30 00:16:21,865 INFO L425 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2023-11-30 00:16:21,865 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 00:16:21,865 INFO L85 PathProgramCache]: Analyzing trace with hash 1518298524, now seen corresponding path program 1 times [2023-11-30 00:16:21,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 00:16:21,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960392166] [2023-11-30 00:16:21,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 00:16:21,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 00:16:21,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 00:16:22,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 00:16:22,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 00:16:22,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [960392166] [2023-11-30 00:16:22,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [960392166] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 00:16:22,158 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 00:16:22,158 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 00:16:22,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003105578] [2023-11-30 00:16:22,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 00:16:22,159 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-30 00:16:22,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 00:16:22,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-30 00:16:22,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-30 00:16:22,160 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 79 out of 170 [2023-11-30 00:16:22,160 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 138 places, 262 transitions, 1699 flow. Second operand has 6 states, 6 states have (on average 84.83333333333333) internal successors, (509), 6 states have internal predecessors, (509), 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 00:16:22,161 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 00:16:22,161 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 79 of 170 [2023-11-30 00:16:22,161 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 00:16:25,475 INFO L124 PetriNetUnfolderBase]: 27580/39552 cut-off events. [2023-11-30 00:16:25,475 INFO L125 PetriNetUnfolderBase]: For 30006/33318 co-relation queries the response was YES. [2023-11-30 00:16:25,549 INFO L83 FinitePrefix]: Finished finitePrefix Result has 177622 conditions, 39552 events. 27580/39552 cut-off events. For 30006/33318 co-relation queries the response was YES. Maximal size of possible extension queue 1283. Compared 261570 event pairs, 6047 based on Foata normal form. 0/39117 useless extension candidates. Maximal degree in co-relation 144507. Up to 35214 conditions per place. [2023-11-30 00:16:25,789 INFO L140 encePairwiseOnDemand]: 165/170 looper letters, 235 selfloop transitions, 4 changer transitions 1/301 dead transitions. [2023-11-30 00:16:25,789 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 142 places, 301 transitions, 2493 flow [2023-11-30 00:16:25,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-30 00:16:25,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-30 00:16:25,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 567 transitions. [2023-11-30 00:16:25,793 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.5558823529411765 [2023-11-30 00:16:25,793 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 567 transitions. [2023-11-30 00:16:25,793 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 567 transitions. [2023-11-30 00:16:25,793 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 00:16:25,793 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 567 transitions. [2023-11-30 00:16:25,794 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 94.5) internal successors, (567), 6 states have internal predecessors, (567), 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 00:16:25,797 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 170.0) internal successors, (1190), 7 states have internal predecessors, (1190), 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 00:16:25,797 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 170.0) internal successors, (1190), 7 states have internal predecessors, (1190), 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 00:16:25,798 INFO L307 CegarLoopForPetriNet]: 161 programPoint places, -19 predicate places. [2023-11-30 00:16:25,798 INFO L500 AbstractCegarLoop]: Abstraction has has 142 places, 301 transitions, 2493 flow [2023-11-30 00:16:25,799 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 84.83333333333333) internal successors, (509), 6 states have internal predecessors, (509), 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 00:16:25,799 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 00:16:25,799 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] [2023-11-30 00:16:25,799 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-30 00:16:25,799 INFO L425 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2023-11-30 00:16:25,799 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 00:16:25,799 INFO L85 PathProgramCache]: Analyzing trace with hash -639605536, now seen corresponding path program 1 times [2023-11-30 00:16:25,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 00:16:25,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84735896] [2023-11-30 00:16:25,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 00:16:25,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 00:16:25,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 00:16:25,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 00:16:25,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 00:16:25,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84735896] [2023-11-30 00:16:25,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [84735896] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 00:16:25,960 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 00:16:25,961 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 00:16:25,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793399086] [2023-11-30 00:16:25,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 00:16:25,961 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-30 00:16:25,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 00:16:25,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-30 00:16:25,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-30 00:16:25,962 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 170 [2023-11-30 00:16:25,962 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 301 transitions, 2493 flow. Second operand has 5 states, 5 states have (on average 112.4) internal successors, (562), 5 states have internal predecessors, (562), 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 00:16:25,963 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 00:16:25,963 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 170 [2023-11-30 00:16:25,963 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 00:16:30,304 INFO L124 PetriNetUnfolderBase]: 33921/51927 cut-off events. [2023-11-30 00:16:30,304 INFO L125 PetriNetUnfolderBase]: For 104498/107212 co-relation queries the response was YES. [2023-11-30 00:16:30,414 INFO L83 FinitePrefix]: Finished finitePrefix Result has 265803 conditions, 51927 events. 33921/51927 cut-off events. For 104498/107212 co-relation queries the response was YES. Maximal size of possible extension queue 1665. Compared 387812 event pairs, 3063 based on Foata normal form. 3730/55273 useless extension candidates. Maximal degree in co-relation 207233. Up to 44701 conditions per place. [2023-11-30 00:16:30,783 INFO L140 encePairwiseOnDemand]: 161/170 looper letters, 661 selfloop transitions, 165 changer transitions 1/910 dead transitions. [2023-11-30 00:16:30,783 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 146 places, 910 transitions, 10280 flow [2023-11-30 00:16:30,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-30 00:16:30,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-30 00:16:30,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 644 transitions. [2023-11-30 00:16:30,785 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7576470588235295 [2023-11-30 00:16:30,785 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 644 transitions. [2023-11-30 00:16:30,785 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 644 transitions. [2023-11-30 00:16:30,785 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 00:16:30,785 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 644 transitions. [2023-11-30 00:16:30,786 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 128.8) internal successors, (644), 5 states have internal predecessors, (644), 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 00:16:30,787 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 170.0) internal successors, (1020), 6 states have internal predecessors, (1020), 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 00:16:30,787 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 170.0) internal successors, (1020), 6 states have internal predecessors, (1020), 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 00:16:30,788 INFO L307 CegarLoopForPetriNet]: 161 programPoint places, -15 predicate places. [2023-11-30 00:16:30,788 INFO L500 AbstractCegarLoop]: Abstraction has has 146 places, 910 transitions, 10280 flow [2023-11-30 00:16:30,788 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 112.4) internal successors, (562), 5 states have internal predecessors, (562), 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 00:16:30,788 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 00:16:30,788 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] [2023-11-30 00:16:30,788 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-30 00:16:30,788 INFO L425 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2023-11-30 00:16:30,789 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 00:16:30,789 INFO L85 PathProgramCache]: Analyzing trace with hash -84636324, now seen corresponding path program 2 times [2023-11-30 00:16:30,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 00:16:30,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168202684] [2023-11-30 00:16:30,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 00:16:30,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 00:16:30,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 00:16:30,838 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 00:16:30,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 00:16:30,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168202684] [2023-11-30 00:16:30,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [168202684] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 00:16:30,839 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 00:16:30,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-30 00:16:30,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044584423] [2023-11-30 00:16:30,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 00:16:30,840 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 00:16:30,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 00:16:30,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 00:16:30,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 00:16:30,840 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 170 [2023-11-30 00:16:30,841 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 146 places, 910 transitions, 10280 flow. Second operand has 3 states, 3 states have (on average 116.0) internal successors, (348), 3 states have internal predecessors, (348), 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 00:16:30,841 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 00:16:30,841 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 170 [2023-11-30 00:16:30,841 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 00:16:33,129 INFO L124 PetriNetUnfolderBase]: 8889/15645 cut-off events. [2023-11-30 00:16:33,130 INFO L125 PetriNetUnfolderBase]: For 56936/57772 co-relation queries the response was YES. [2023-11-30 00:16:33,155 INFO L83 FinitePrefix]: Finished finitePrefix Result has 86985 conditions, 15645 events. 8889/15645 cut-off events. For 56936/57772 co-relation queries the response was YES. Maximal size of possible extension queue 517. Compared 117327 event pairs, 735 based on Foata normal form. 800/16318 useless extension candidates. Maximal degree in co-relation 84567. Up to 12677 conditions per place. [2023-11-30 00:16:33,249 INFO L140 encePairwiseOnDemand]: 164/170 looper letters, 664 selfloop transitions, 82 changer transitions 1/831 dead transitions. [2023-11-30 00:16:33,249 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 148 places, 831 transitions, 10839 flow [2023-11-30 00:16:33,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 00:16:33,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 00:16:33,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 376 transitions. [2023-11-30 00:16:33,250 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7372549019607844 [2023-11-30 00:16:33,250 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 376 transitions. [2023-11-30 00:16:33,250 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 376 transitions. [2023-11-30 00:16:33,251 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 00:16:33,251 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 376 transitions. [2023-11-30 00:16:33,251 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 125.33333333333333) internal successors, (376), 3 states have internal predecessors, (376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:16:33,252 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 170.0) internal successors, (680), 4 states have internal predecessors, (680), 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 00:16:33,252 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 170.0) internal successors, (680), 4 states have internal predecessors, (680), 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 00:16:33,253 INFO L307 CegarLoopForPetriNet]: 161 programPoint places, -13 predicate places. [2023-11-30 00:16:33,253 INFO L500 AbstractCegarLoop]: Abstraction has has 148 places, 831 transitions, 10839 flow [2023-11-30 00:16:33,253 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 116.0) internal successors, (348), 3 states have internal predecessors, (348), 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 00:16:33,253 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 00:16:33,253 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] [2023-11-30 00:16:33,253 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-30 00:16:33,253 INFO L425 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2023-11-30 00:16:33,253 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 00:16:33,254 INFO L85 PathProgramCache]: Analyzing trace with hash -2108574156, now seen corresponding path program 3 times [2023-11-30 00:16:33,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 00:16:33,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492705039] [2023-11-30 00:16:33,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 00:16:33,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 00:16:33,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 00:16:33,555 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 00:16:33,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 00:16:33,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492705039] [2023-11-30 00:16:33,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [492705039] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 00:16:33,556 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 00:16:33,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 00:16:33,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641228084] [2023-11-30 00:16:33,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 00:16:33,558 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-30 00:16:33,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 00:16:33,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-30 00:16:33,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-30 00:16:33,559 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 79 out of 170 [2023-11-30 00:16:33,560 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 148 places, 831 transitions, 10839 flow. Second operand has 6 states, 6 states have (on average 86.33333333333333) internal successors, (518), 6 states have internal predecessors, (518), 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 00:16:33,560 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 00:16:33,560 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 79 of 170 [2023-11-30 00:16:33,560 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 00:16:36,012 INFO L124 PetriNetUnfolderBase]: 8943/15731 cut-off events. [2023-11-30 00:16:36,012 INFO L125 PetriNetUnfolderBase]: For 57088/57636 co-relation queries the response was YES. [2023-11-30 00:16:36,035 INFO L83 FinitePrefix]: Finished finitePrefix Result has 101062 conditions, 15731 events. 8943/15731 cut-off events. For 57088/57636 co-relation queries the response was YES. Maximal size of possible extension queue 517. Compared 118027 event pairs, 787 based on Foata normal form. 4/15629 useless extension candidates. Maximal degree in co-relation 98745. Up to 13523 conditions per place. [2023-11-30 00:16:36,062 INFO L140 encePairwiseOnDemand]: 165/170 looper letters, 0 selfloop transitions, 0 changer transitions 910/910 dead transitions. [2023-11-30 00:16:36,062 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 152 places, 910 transitions, 13649 flow [2023-11-30 00:16:36,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-30 00:16:36,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-30 00:16:36,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 554 transitions. [2023-11-30 00:16:36,064 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.5431372549019607 [2023-11-30 00:16:36,064 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 554 transitions. [2023-11-30 00:16:36,064 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 554 transitions. [2023-11-30 00:16:36,064 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 00:16:36,064 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 554 transitions. [2023-11-30 00:16:36,065 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 92.33333333333333) internal successors, (554), 6 states have internal predecessors, (554), 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 00:16:36,066 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 170.0) internal successors, (1190), 7 states have internal predecessors, (1190), 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 00:16:36,066 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 170.0) internal successors, (1190), 7 states have internal predecessors, (1190), 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 00:16:36,067 INFO L307 CegarLoopForPetriNet]: 161 programPoint places, -9 predicate places. [2023-11-30 00:16:36,067 INFO L500 AbstractCegarLoop]: Abstraction has has 152 places, 910 transitions, 13649 flow [2023-11-30 00:16:36,067 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 86.33333333333333) internal successors, (518), 6 states have internal predecessors, (518), 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 00:16:36,072 INFO L143 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/read_write_lock-2.i_BEv2_AllErrorsAtOnce [2023-11-30 00:16:36,096 INFO L810 garLoopResultBuilder]: Registering result SAFE for location readerErr0ASSERT_VIOLATIONDATA_RACE (49 of 50 remaining) [2023-11-30 00:16:36,096 INFO L810 garLoopResultBuilder]: Registering result SAFE for location readerErr1ASSERT_VIOLATIONDATA_RACE (48 of 50 remaining) [2023-11-30 00:16:36,096 INFO L810 garLoopResultBuilder]: Registering result SAFE for location readerErr2ASSERT_VIOLATIONDATA_RACE (47 of 50 remaining) [2023-11-30 00:16:36,096 INFO L810 garLoopResultBuilder]: Registering result SAFE for location readerErr3ASSERT_VIOLATIONDATA_RACE (46 of 50 remaining) [2023-11-30 00:16:36,096 INFO L810 garLoopResultBuilder]: Registering result SAFE for location readerErr4ASSERT_VIOLATIONDATA_RACE (45 of 50 remaining) [2023-11-30 00:16:36,097 INFO L810 garLoopResultBuilder]: Registering result SAFE for location readerErr5ASSERT_VIOLATIONDATA_RACE (44 of 50 remaining) [2023-11-30 00:16:36,097 INFO L810 garLoopResultBuilder]: Registering result SAFE for location readerErr6ASSERT_VIOLATIONDATA_RACE (43 of 50 remaining) [2023-11-30 00:16:36,097 INFO L810 garLoopResultBuilder]: Registering result SAFE for location readerErr7ASSERT_VIOLATIONDATA_RACE (42 of 50 remaining) [2023-11-30 00:16:36,097 INFO L810 garLoopResultBuilder]: Registering result SAFE for location readerErr8ASSERT_VIOLATIONDATA_RACE (41 of 50 remaining) [2023-11-30 00:16:36,097 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (40 of 50 remaining) [2023-11-30 00:16:36,097 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (39 of 50 remaining) [2023-11-30 00:16:36,097 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (38 of 50 remaining) [2023-11-30 00:16:36,097 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (37 of 50 remaining) [2023-11-30 00:16:36,097 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (36 of 50 remaining) [2023-11-30 00:16:36,097 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (35 of 50 remaining) [2023-11-30 00:16:36,097 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (34 of 50 remaining) [2023-11-30 00:16:36,097 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (33 of 50 remaining) [2023-11-30 00:16:36,098 INFO L810 garLoopResultBuilder]: Registering result SAFE for location writerErr0ASSERT_VIOLATIONDATA_RACE (32 of 50 remaining) [2023-11-30 00:16:36,098 INFO L810 garLoopResultBuilder]: Registering result SAFE for location writerErr1ASSERT_VIOLATIONDATA_RACE (31 of 50 remaining) [2023-11-30 00:16:36,098 INFO L810 garLoopResultBuilder]: Registering result SAFE for location writerErr2ASSERT_VIOLATIONDATA_RACE (30 of 50 remaining) [2023-11-30 00:16:36,098 INFO L810 garLoopResultBuilder]: Registering result SAFE for location writerErr3ASSERT_VIOLATIONDATA_RACE (29 of 50 remaining) [2023-11-30 00:16:36,098 INFO L810 garLoopResultBuilder]: Registering result SAFE for location writerErr4ASSERT_VIOLATIONDATA_RACE (28 of 50 remaining) [2023-11-30 00:16:36,098 INFO L810 garLoopResultBuilder]: Registering result SAFE for location readerErr0ASSERT_VIOLATIONDATA_RACE (27 of 50 remaining) [2023-11-30 00:16:36,098 INFO L810 garLoopResultBuilder]: Registering result SAFE for location readerErr1ASSERT_VIOLATIONDATA_RACE (26 of 50 remaining) [2023-11-30 00:16:36,098 INFO L810 garLoopResultBuilder]: Registering result SAFE for location readerErr2ASSERT_VIOLATIONDATA_RACE (25 of 50 remaining) [2023-11-30 00:16:36,098 INFO L810 garLoopResultBuilder]: Registering result SAFE for location readerErr3ASSERT_VIOLATIONDATA_RACE (24 of 50 remaining) [2023-11-30 00:16:36,098 INFO L810 garLoopResultBuilder]: Registering result SAFE for location readerErr4ASSERT_VIOLATIONDATA_RACE (23 of 50 remaining) [2023-11-30 00:16:36,098 INFO L810 garLoopResultBuilder]: Registering result SAFE for location readerErr5ASSERT_VIOLATIONDATA_RACE (22 of 50 remaining) [2023-11-30 00:16:36,098 INFO L810 garLoopResultBuilder]: Registering result SAFE for location readerErr6ASSERT_VIOLATIONDATA_RACE (21 of 50 remaining) [2023-11-30 00:16:36,099 INFO L810 garLoopResultBuilder]: Registering result SAFE for location readerErr7ASSERT_VIOLATIONDATA_RACE (20 of 50 remaining) [2023-11-30 00:16:36,099 INFO L810 garLoopResultBuilder]: Registering result SAFE for location readerErr8ASSERT_VIOLATIONDATA_RACE (19 of 50 remaining) [2023-11-30 00:16:36,099 INFO L810 garLoopResultBuilder]: Registering result SAFE for location readerErr0ASSERT_VIOLATIONDATA_RACE (18 of 50 remaining) [2023-11-30 00:16:36,099 INFO L810 garLoopResultBuilder]: Registering result SAFE for location readerErr1ASSERT_VIOLATIONDATA_RACE (17 of 50 remaining) [2023-11-30 00:16:36,099 INFO L810 garLoopResultBuilder]: Registering result SAFE for location readerErr2ASSERT_VIOLATIONDATA_RACE (16 of 50 remaining) [2023-11-30 00:16:36,099 INFO L810 garLoopResultBuilder]: Registering result SAFE for location readerErr3ASSERT_VIOLATIONDATA_RACE (15 of 50 remaining) [2023-11-30 00:16:36,099 INFO L810 garLoopResultBuilder]: Registering result SAFE for location readerErr4ASSERT_VIOLATIONDATA_RACE (14 of 50 remaining) [2023-11-30 00:16:36,099 INFO L810 garLoopResultBuilder]: Registering result SAFE for location readerErr5ASSERT_VIOLATIONDATA_RACE (13 of 50 remaining) [2023-11-30 00:16:36,099 INFO L810 garLoopResultBuilder]: Registering result SAFE for location readerErr6ASSERT_VIOLATIONDATA_RACE (12 of 50 remaining) [2023-11-30 00:16:36,099 INFO L810 garLoopResultBuilder]: Registering result SAFE for location readerErr7ASSERT_VIOLATIONDATA_RACE (11 of 50 remaining) [2023-11-30 00:16:36,099 INFO L810 garLoopResultBuilder]: Registering result SAFE for location readerErr8ASSERT_VIOLATIONDATA_RACE (10 of 50 remaining) [2023-11-30 00:16:36,099 INFO L810 garLoopResultBuilder]: Registering result SAFE for location writerErr0ASSERT_VIOLATIONDATA_RACE (9 of 50 remaining) [2023-11-30 00:16:36,099 INFO L810 garLoopResultBuilder]: Registering result SAFE for location writerErr1ASSERT_VIOLATIONDATA_RACE (8 of 50 remaining) [2023-11-30 00:16:36,100 INFO L810 garLoopResultBuilder]: Registering result SAFE for location writerErr2ASSERT_VIOLATIONDATA_RACE (7 of 50 remaining) [2023-11-30 00:16:36,100 INFO L810 garLoopResultBuilder]: Registering result SAFE for location writerErr3ASSERT_VIOLATIONDATA_RACE (6 of 50 remaining) [2023-11-30 00:16:36,100 INFO L810 garLoopResultBuilder]: Registering result SAFE for location writerErr4ASSERT_VIOLATIONDATA_RACE (5 of 50 remaining) [2023-11-30 00:16:36,100 INFO L810 garLoopResultBuilder]: Registering result SAFE for location writerErr0ASSERT_VIOLATIONDATA_RACE (4 of 50 remaining) [2023-11-30 00:16:36,100 INFO L810 garLoopResultBuilder]: Registering result SAFE for location writerErr1ASSERT_VIOLATIONDATA_RACE (3 of 50 remaining) [2023-11-30 00:16:36,100 INFO L810 garLoopResultBuilder]: Registering result SAFE for location writerErr2ASSERT_VIOLATIONDATA_RACE (2 of 50 remaining) [2023-11-30 00:16:36,100 INFO L810 garLoopResultBuilder]: Registering result SAFE for location writerErr3ASSERT_VIOLATIONDATA_RACE (1 of 50 remaining) [2023-11-30 00:16:36,100 INFO L810 garLoopResultBuilder]: Registering result SAFE for location writerErr4ASSERT_VIOLATIONDATA_RACE (0 of 50 remaining) [2023-11-30 00:16:36,100 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-30 00:16:36,101 INFO L457 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1] [2023-11-30 00:16:36,104 INFO L222 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-30 00:16:36,104 INFO L172 ceAbstractionStarter]: Computing trace abstraction results [2023-11-30 00:16:36,111 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 12:16:36 BasicIcfg [2023-11-30 00:16:36,111 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-30 00:16:36,111 INFO L158 Benchmark]: Toolchain (without parser) took 24310.44ms. Allocated memory was 373.3MB in the beginning and 12.4GB in the end (delta: 12.0GB). Free memory was 325.9MB in the beginning and 10.5GB in the end (delta: -10.2GB). Peak memory consumption was 1.9GB. Max. memory is 16.0GB. [2023-11-30 00:16:36,111 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 373.3MB. Free memory is still 321.3MB. There was no memory consumed. Max. memory is 16.0GB. [2023-11-30 00:16:36,112 INFO L158 Benchmark]: CACSL2BoogieTranslator took 358.42ms. Allocated memory is still 373.3MB. Free memory was 325.9MB in the beginning and 305.0MB in the end (delta: 21.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. [2023-11-30 00:16:36,112 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.66ms. Allocated memory is still 373.3MB. Free memory was 305.0MB in the beginning and 302.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-11-30 00:16:36,112 INFO L158 Benchmark]: Boogie Preprocessor took 29.47ms. Allocated memory is still 373.3MB. Free memory was 302.9MB in the beginning and 300.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-11-30 00:16:36,112 INFO L158 Benchmark]: RCFGBuilder took 455.61ms. Allocated memory is still 373.3MB. Free memory was 300.8MB in the beginning and 271.4MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.0GB. [2023-11-30 00:16:36,114 INFO L158 Benchmark]: TraceAbstraction took 23417.68ms. Allocated memory was 373.3MB in the beginning and 12.4GB in the end (delta: 12.0GB). Free memory was 270.4MB in the beginning and 10.5GB in the end (delta: -10.2GB). Peak memory consumption was 1.9GB. Max. memory is 16.0GB. [2023-11-30 00:16:36,117 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 373.3MB. Free memory is still 321.3MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 358.42ms. Allocated memory is still 373.3MB. Free memory was 325.9MB in the beginning and 305.0MB in the end (delta: 21.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 33.66ms. Allocated memory is still 373.3MB. Free memory was 305.0MB in the beginning and 302.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 29.47ms. Allocated memory is still 373.3MB. Free memory was 302.9MB in the beginning and 300.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 455.61ms. Allocated memory is still 373.3MB. Free memory was 300.8MB in the beginning and 271.4MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.0GB. * TraceAbstraction took 23417.68ms. Allocated memory was 373.3MB in the beginning and 12.4GB in the end (delta: 12.0GB). Free memory was 270.4MB in the beginning and 10.5GB in the end (delta: -10.2GB). Peak memory consumption was 1.9GB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 710]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 711]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 711]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 727]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 730]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 733]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 736]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 740]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 743]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 753]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 754]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 755]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 756]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 706]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 706]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 707]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 716]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 719]: 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, 210 locations, 50 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: 23.3s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 21.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 348 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 348 mSDsluCounter, 54 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1 mSDsCounter, 86 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1091 IncrementalHoareTripleChecker+Invalid, 1177 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 86 mSolverCounterUnsat, 53 mSDtfsCounter, 1091 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 33 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13649occurred in iteration=7, InterpolantAutomatonStates: 34, 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, 1.6s InterpolantComputationTime, 490 NumberOfCodeBlocks, 490 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 483 ConstructedInterpolants, 0 QuantifiedInterpolants, 1031 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 18 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-30 00:16:36,130 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...