/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-VariableLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true -i ../../../trunk/examples/svcomp/weaver/test-hard1.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-ac9dbd0-m [2023-08-25 07:19:53,362 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-08-25 07:19:53,442 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-VariableLbe.epf [2023-08-25 07:19:53,446 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-08-25 07:19:53,447 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-08-25 07:19:53,480 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-25 07:19:53,481 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-25 07:19:53,481 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-25 07:19:53,482 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-25 07:19:53,482 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-08-25 07:19:53,482 INFO L153 SettingsManager]: * Use SBE=true [2023-08-25 07:19:53,483 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-25 07:19:53,483 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-25 07:19:53,483 INFO L153 SettingsManager]: * sizeof long=4 [2023-08-25 07:19:53,484 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-25 07:19:53,484 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-08-25 07:19:53,484 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-08-25 07:19:53,485 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-25 07:19:53,485 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-25 07:19:53,485 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-25 07:19:53,486 INFO L153 SettingsManager]: * sizeof long double=12 [2023-08-25 07:19:53,501 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-08-25 07:19:53,501 INFO L153 SettingsManager]: * Use constant arrays=true [2023-08-25 07:19:53,501 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-25 07:19:53,502 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-25 07:19:53,502 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-08-25 07:19:53,502 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-25 07:19:53,502 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 07:19:53,503 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-25 07:19:53,503 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-25 07:19:53,503 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-25 07:19:53,503 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-25 07:19:53,503 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-25 07:19:53,504 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-25 07:19:53,504 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-25 07:19:53,504 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true [2023-08-25 07:19:53,771 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-25 07:19:53,785 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-25 07:19:53,787 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-25 07:19:53,788 INFO L270 PluginConnector]: Initializing CDTParser... [2023-08-25 07:19:53,788 INFO L274 PluginConnector]: CDTParser initialized [2023-08-25 07:19:53,790 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/test-hard1.wvr.c [2023-08-25 07:19:54,781 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-08-25 07:19:54,951 INFO L384 CDTParser]: Found 1 translation units. [2023-08-25 07:19:54,951 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/test-hard1.wvr.c [2023-08-25 07:19:54,956 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3a965bf5/167ea30329ac478ba43b9c90bce13914/FLAG328e5f134 [2023-08-25 07:19:54,965 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3a965bf5/167ea30329ac478ba43b9c90bce13914 [2023-08-25 07:19:54,966 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-25 07:19:54,967 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-08-25 07:19:54,968 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-25 07:19:54,968 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-25 07:19:54,970 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-25 07:19:54,970 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 07:19:54" (1/1) ... [2023-08-25 07:19:54,970 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ac26559 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 07:19:54, skipping insertion in model container [2023-08-25 07:19:54,971 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 07:19:54" (1/1) ... [2023-08-25 07:19:54,985 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-08-25 07:19:55,101 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 07:19:55,107 INFO L201 MainTranslator]: Completed pre-run [2023-08-25 07:19:55,134 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 07:19:55,139 WARN L669 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-25 07:19:55,139 WARN L669 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-25 07:19:55,147 INFO L206 MainTranslator]: Completed translation [2023-08-25 07:19:55,147 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 07:19:55 WrapperNode [2023-08-25 07:19:55,147 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-25 07:19:55,148 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-25 07:19:55,148 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-25 07:19:55,148 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-25 07:19:55,152 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 07:19:55" (1/1) ... [2023-08-25 07:19:55,158 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 07:19:55" (1/1) ... [2023-08-25 07:19:55,174 INFO L138 Inliner]: procedures = 24, calls = 57, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 156 [2023-08-25 07:19:55,174 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-25 07:19:55,174 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-25 07:19:55,174 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-25 07:19:55,174 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-08-25 07:19:55,180 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 07:19:55" (1/1) ... [2023-08-25 07:19:55,180 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 07:19:55" (1/1) ... [2023-08-25 07:19:55,183 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 07:19:55" (1/1) ... [2023-08-25 07:19:55,183 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 07:19:55" (1/1) ... [2023-08-25 07:19:55,192 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 07:19:55" (1/1) ... [2023-08-25 07:19:55,206 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 07:19:55" (1/1) ... [2023-08-25 07:19:55,207 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 07:19:55" (1/1) ... [2023-08-25 07:19:55,208 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 07:19:55" (1/1) ... [2023-08-25 07:19:55,210 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-25 07:19:55,211 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-25 07:19:55,211 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-08-25 07:19:55,211 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-08-25 07:19:55,211 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 07:19:55" (1/1) ... [2023-08-25 07:19:55,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 07:19:55,234 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-25 07:19:55,244 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) [2023-08-25 07:19:55,252 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 [2023-08-25 07:19:55,272 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-25 07:19:55,272 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-25 07:19:55,272 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-25 07:19:55,272 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-25 07:19:55,272 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-25 07:19:55,273 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-08-25 07:19:55,273 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-08-25 07:19:55,273 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-08-25 07:19:55,273 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-08-25 07:19:55,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-25 07:19:55,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-25 07:19:55,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-25 07:19:55,274 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-25 07:19:55,274 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-25 07:19:55,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-25 07:19:55,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-25 07:19:55,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-25 07:19:55,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-25 07:19:55,276 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-25 07:19:55,346 INFO L236 CfgBuilder]: Building ICFG [2023-08-25 07:19:55,348 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-25 07:19:55,719 INFO L277 CfgBuilder]: Performing block encoding [2023-08-25 07:19:55,830 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-25 07:19:55,830 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-08-25 07:19:55,832 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 07:19:55 BoogieIcfgContainer [2023-08-25 07:19:55,832 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-25 07:19:55,833 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-25 07:19:55,833 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-08-25 07:19:55,835 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-08-25 07:19:55,835 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.08 07:19:54" (1/3) ... [2023-08-25 07:19:55,836 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3304b950 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 07:19:55, skipping insertion in model container [2023-08-25 07:19:55,836 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 07:19:55" (2/3) ... [2023-08-25 07:19:55,836 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3304b950 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 07:19:55, skipping insertion in model container [2023-08-25 07:19:55,836 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 07:19:55" (3/3) ... [2023-08-25 07:19:55,846 INFO L112 eAbstractionObserver]: Analyzing ICFG test-hard1.wvr.c [2023-08-25 07:19:55,857 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-25 07:19:55,857 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 48 error locations. [2023-08-25 07:19:55,857 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-25 07:19:55,914 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2023-08-25 07:19:55,945 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 240 places, 238 transitions, 508 flow [2023-08-25 07:19:56,027 INFO L124 PetriNetUnfolderBase]: 11/234 cut-off events. [2023-08-25 07:19:56,027 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2023-08-25 07:19:56,032 INFO L83 FinitePrefix]: Finished finitePrefix Result has 251 conditions, 234 events. 11/234 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 265 event pairs, 0 based on Foata normal form. 0/175 useless extension candidates. Maximal degree in co-relation 158. Up to 2 conditions per place. [2023-08-25 07:19:56,032 INFO L82 GeneralOperation]: Start removeDead. Operand has 240 places, 238 transitions, 508 flow [2023-08-25 07:19:56,039 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 223 places, 221 transitions, 466 flow [2023-08-25 07:19:56,047 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-25 07:19:56,053 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 223 places, 221 transitions, 466 flow [2023-08-25 07:19:56,059 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 223 places, 221 transitions, 466 flow [2023-08-25 07:19:56,059 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 223 places, 221 transitions, 466 flow [2023-08-25 07:19:56,086 INFO L124 PetriNetUnfolderBase]: 11/221 cut-off events. [2023-08-25 07:19:56,086 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2023-08-25 07:19:56,087 INFO L83 FinitePrefix]: Finished finitePrefix Result has 238 conditions, 221 events. 11/221 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 261 event pairs, 0 based on Foata normal form. 0/163 useless extension candidates. Maximal degree in co-relation 158. Up to 2 conditions per place. [2023-08-25 07:19:56,091 INFO L119 LiptonReduction]: Number of co-enabled transitions 7104 [2023-08-25 07:20:01,597 INFO L134 LiptonReduction]: Checked pairs total: 16324 [2023-08-25 07:20:01,598 INFO L136 LiptonReduction]: Total number of compositions: 233 [2023-08-25 07:20:01,621 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-25 07:20:01,629 INFO L357 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=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@e53a095, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-25 07:20:01,629 INFO L358 AbstractCegarLoop]: Starting to check reachability of 84 error locations. [2023-08-25 07:20:01,631 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-25 07:20:01,632 INFO L124 PetriNetUnfolderBase]: 0/0 cut-off events. [2023-08-25 07:20:01,632 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 07:20:01,632 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 07:20:01,632 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-25 07:20:01,633 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 80 more)] === [2023-08-25 07:20:01,636 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 07:20:01,636 INFO L85 PathProgramCache]: Analyzing trace with hash 1102, now seen corresponding path program 1 times [2023-08-25 07:20:01,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 07:20:01,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080706075] [2023-08-25 07:20:01,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 07:20:01,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 07:20:01,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 07:20:01,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 07:20:01,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 07:20:01,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080706075] [2023-08-25 07:20:01,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2080706075] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 07:20:01,707 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 07:20:01,707 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-25 07:20:01,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101540264] [2023-08-25 07:20:01,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 07:20:01,712 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-25 07:20:01,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 07:20:01,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-25 07:20:01,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-25 07:20:01,732 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 179 out of 471 [2023-08-25 07:20:01,736 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 80 transitions, 184 flow. Second operand has 2 states, 2 states have (on average 179.5) internal successors, (359), 2 states have internal predecessors, (359), 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) [2023-08-25 07:20:01,736 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 07:20:01,736 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 179 of 471 [2023-08-25 07:20:01,737 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 07:20:02,044 INFO L124 PetriNetUnfolderBase]: 2705/3556 cut-off events. [2023-08-25 07:20:02,044 INFO L125 PetriNetUnfolderBase]: For 195/195 co-relation queries the response was YES. [2023-08-25 07:20:02,050 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7373 conditions, 3556 events. 2705/3556 cut-off events. For 195/195 co-relation queries the response was YES. Maximal size of possible extension queue 142. Compared 12290 event pairs, 1965 based on Foata normal form. 0/2816 useless extension candidates. Maximal degree in co-relation 6024. Up to 3557 conditions per place. [2023-08-25 07:20:02,064 INFO L140 encePairwiseOnDemand]: 424/471 looper letters, 33 selfloop transitions, 0 changer transitions 0/33 dead transitions. [2023-08-25 07:20:02,064 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 33 transitions, 156 flow [2023-08-25 07:20:02,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-25 07:20:02,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-25 07:20:02,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 438 transitions. [2023-08-25 07:20:02,076 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.46496815286624205 [2023-08-25 07:20:02,076 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 438 transitions. [2023-08-25 07:20:02,077 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 438 transitions. [2023-08-25 07:20:02,078 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 07:20:02,080 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 438 transitions. [2023-08-25 07:20:02,083 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 219.0) internal successors, (438), 2 states have internal predecessors, (438), 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) [2023-08-25 07:20:02,087 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 471.0) internal successors, (1413), 3 states have internal predecessors, (1413), 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) [2023-08-25 07:20:02,087 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 471.0) internal successors, (1413), 3 states have internal predecessors, (1413), 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) [2023-08-25 07:20:02,089 INFO L175 Difference]: Start difference. First operand has 89 places, 80 transitions, 184 flow. Second operand 2 states and 438 transitions. [2023-08-25 07:20:02,090 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 33 transitions, 156 flow [2023-08-25 07:20:02,094 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 33 transitions, 140 flow, removed 0 selfloop flow, removed 8 redundant places. [2023-08-25 07:20:02,095 INFO L231 Difference]: Finished difference. Result has 35 places, 33 transitions, 74 flow [2023-08-25 07:20:02,097 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=471, PETRI_DIFFERENCE_MINUEND_FLOW=74, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=74, PETRI_PLACES=35, PETRI_TRANSITIONS=33} [2023-08-25 07:20:02,099 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, -54 predicate places. [2023-08-25 07:20:02,099 INFO L495 AbstractCegarLoop]: Abstraction has has 35 places, 33 transitions, 74 flow [2023-08-25 07:20:02,100 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 179.5) internal successors, (359), 2 states have internal predecessors, (359), 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) [2023-08-25 07:20:02,100 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 07:20:02,100 INFO L208 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] [2023-08-25 07:20:02,100 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-25 07:20:02,100 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 80 more)] === [2023-08-25 07:20:02,101 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 07:20:02,101 INFO L85 PathProgramCache]: Analyzing trace with hash 1646407154, now seen corresponding path program 1 times [2023-08-25 07:20:02,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 07:20:02,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270959452] [2023-08-25 07:20:02,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 07:20:02,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 07:20:02,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 07:20:02,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 07:20:02,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 07:20:02,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270959452] [2023-08-25 07:20:02,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [270959452] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 07:20:02,413 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 07:20:02,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-25 07:20:02,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296573775] [2023-08-25 07:20:02,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 07:20:02,414 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-25 07:20:02,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 07:20:02,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-25 07:20:02,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-25 07:20:02,416 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 173 out of 471 [2023-08-25 07:20:02,416 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 33 transitions, 74 flow. Second operand has 3 states, 3 states have (on average 181.33333333333334) internal successors, (544), 3 states have internal predecessors, (544), 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) [2023-08-25 07:20:02,417 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 07:20:02,417 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 173 of 471 [2023-08-25 07:20:02,417 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 07:20:02,735 INFO L124 PetriNetUnfolderBase]: 3661/4823 cut-off events. [2023-08-25 07:20:02,735 INFO L125 PetriNetUnfolderBase]: For 54/54 co-relation queries the response was YES. [2023-08-25 07:20:02,739 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9770 conditions, 4823 events. 3661/4823 cut-off events. For 54/54 co-relation queries the response was YES. Maximal size of possible extension queue 183. Compared 18770 event pairs, 656 based on Foata normal form. 1/3732 useless extension candidates. Maximal degree in co-relation 9767. Up to 3880 conditions per place. [2023-08-25 07:20:02,751 INFO L140 encePairwiseOnDemand]: 465/471 looper letters, 53 selfloop transitions, 5 changer transitions 1/59 dead transitions. [2023-08-25 07:20:02,752 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 59 transitions, 251 flow [2023-08-25 07:20:02,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-25 07:20:02,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-25 07:20:02,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 579 transitions. [2023-08-25 07:20:02,754 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.40976645435244163 [2023-08-25 07:20:02,754 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 579 transitions. [2023-08-25 07:20:02,754 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 579 transitions. [2023-08-25 07:20:02,754 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 07:20:02,754 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 579 transitions. [2023-08-25 07:20:02,755 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 193.0) internal successors, (579), 3 states have internal predecessors, (579), 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) [2023-08-25 07:20:02,758 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 471.0) internal successors, (1884), 4 states have internal predecessors, (1884), 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) [2023-08-25 07:20:02,758 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 471.0) internal successors, (1884), 4 states have internal predecessors, (1884), 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) [2023-08-25 07:20:02,758 INFO L175 Difference]: Start difference. First operand has 35 places, 33 transitions, 74 flow. Second operand 3 states and 579 transitions. [2023-08-25 07:20:02,758 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 59 transitions, 251 flow [2023-08-25 07:20:02,759 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 59 transitions, 251 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-25 07:20:02,760 INFO L231 Difference]: Finished difference. Result has 38 places, 37 transitions, 107 flow [2023-08-25 07:20:02,760 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=471, PETRI_DIFFERENCE_MINUEND_FLOW=74, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=107, PETRI_PLACES=38, PETRI_TRANSITIONS=37} [2023-08-25 07:20:02,760 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, -51 predicate places. [2023-08-25 07:20:02,760 INFO L495 AbstractCegarLoop]: Abstraction has has 38 places, 37 transitions, 107 flow [2023-08-25 07:20:02,761 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 181.33333333333334) internal successors, (544), 3 states have internal predecessors, (544), 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) [2023-08-25 07:20:02,761 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 07:20:02,761 INFO L208 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] [2023-08-25 07:20:02,761 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-25 07:20:02,761 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 80 more)] === [2023-08-25 07:20:02,762 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 07:20:02,762 INFO L85 PathProgramCache]: Analyzing trace with hash -1295145395, now seen corresponding path program 1 times [2023-08-25 07:20:02,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 07:20:02,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378273139] [2023-08-25 07:20:02,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 07:20:02,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 07:20:02,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 07:20:03,037 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 07:20:03,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 07:20:03,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378273139] [2023-08-25 07:20:03,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1378273139] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 07:20:03,038 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 07:20:03,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-25 07:20:03,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954429561] [2023-08-25 07:20:03,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 07:20:03,039 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-08-25 07:20:03,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 07:20:03,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-08-25 07:20:03,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-08-25 07:20:03,040 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 471 [2023-08-25 07:20:03,041 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 37 transitions, 107 flow. Second operand has 5 states, 5 states have (on average 177.4) internal successors, (887), 5 states have internal predecessors, (887), 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) [2023-08-25 07:20:03,041 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 07:20:03,041 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 471 [2023-08-25 07:20:03,041 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 07:20:03,621 INFO L124 PetriNetUnfolderBase]: 5989/7980 cut-off events. [2023-08-25 07:20:03,621 INFO L125 PetriNetUnfolderBase]: For 1460/1460 co-relation queries the response was YES. [2023-08-25 07:20:03,627 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18514 conditions, 7980 events. 5989/7980 cut-off events. For 1460/1460 co-relation queries the response was YES. Maximal size of possible extension queue 291. Compared 34495 event pairs, 1535 based on Foata normal form. 186/8166 useless extension candidates. Maximal degree in co-relation 18509. Up to 3409 conditions per place. [2023-08-25 07:20:03,649 INFO L140 encePairwiseOnDemand]: 463/471 looper letters, 120 selfloop transitions, 17 changer transitions 0/137 dead transitions. [2023-08-25 07:20:03,649 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 137 transitions, 665 flow [2023-08-25 07:20:03,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-25 07:20:03,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-25 07:20:03,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1155 transitions. [2023-08-25 07:20:03,652 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.40870488322717624 [2023-08-25 07:20:03,652 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1155 transitions. [2023-08-25 07:20:03,652 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1155 transitions. [2023-08-25 07:20:03,653 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 07:20:03,653 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1155 transitions. [2023-08-25 07:20:03,654 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 192.5) internal successors, (1155), 6 states have internal predecessors, (1155), 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) [2023-08-25 07:20:03,658 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 471.0) internal successors, (3297), 7 states have internal predecessors, (3297), 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) [2023-08-25 07:20:03,659 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 471.0) internal successors, (3297), 7 states have internal predecessors, (3297), 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) [2023-08-25 07:20:03,659 INFO L175 Difference]: Start difference. First operand has 38 places, 37 transitions, 107 flow. Second operand 6 states and 1155 transitions. [2023-08-25 07:20:03,659 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 137 transitions, 665 flow [2023-08-25 07:20:03,661 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 137 transitions, 648 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-25 07:20:03,662 INFO L231 Difference]: Finished difference. Result has 45 places, 51 transitions, 223 flow [2023-08-25 07:20:03,662 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=471, PETRI_DIFFERENCE_MINUEND_FLOW=102, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=223, PETRI_PLACES=45, PETRI_TRANSITIONS=51} [2023-08-25 07:20:03,662 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, -44 predicate places. [2023-08-25 07:20:03,662 INFO L495 AbstractCegarLoop]: Abstraction has has 45 places, 51 transitions, 223 flow [2023-08-25 07:20:03,663 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 177.4) internal successors, (887), 5 states have internal predecessors, (887), 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) [2023-08-25 07:20:03,663 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 07:20:03,663 INFO L208 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] [2023-08-25 07:20:03,663 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-25 07:20:03,663 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 80 more)] === [2023-08-25 07:20:03,664 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 07:20:03,664 INFO L85 PathProgramCache]: Analyzing trace with hash -1622642949, now seen corresponding path program 2 times [2023-08-25 07:20:03,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 07:20:03,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016428058] [2023-08-25 07:20:03,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 07:20:03,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 07:20:03,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 07:20:03,883 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 07:20:03,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 07:20:03,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016428058] [2023-08-25 07:20:03,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2016428058] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 07:20:03,885 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 07:20:03,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-25 07:20:03,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430370515] [2023-08-25 07:20:03,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 07:20:03,886 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-25 07:20:03,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 07:20:03,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-25 07:20:03,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-08-25 07:20:03,888 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 471 [2023-08-25 07:20:03,889 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 51 transitions, 223 flow. Second operand has 6 states, 6 states have (on average 174.5) internal successors, (1047), 6 states have internal predecessors, (1047), 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) [2023-08-25 07:20:03,889 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 07:20:03,889 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 471 [2023-08-25 07:20:03,889 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 07:20:05,177 INFO L124 PetriNetUnfolderBase]: 11835/15870 cut-off events. [2023-08-25 07:20:05,177 INFO L125 PetriNetUnfolderBase]: For 14169/14169 co-relation queries the response was YES. [2023-08-25 07:20:05,194 INFO L83 FinitePrefix]: Finished finitePrefix Result has 45480 conditions, 15870 events. 11835/15870 cut-off events. For 14169/14169 co-relation queries the response was YES. Maximal size of possible extension queue 556. Compared 77841 event pairs, 1343 based on Foata normal form. 296/16166 useless extension candidates. Maximal degree in co-relation 45472. Up to 7173 conditions per place. [2023-08-25 07:20:05,240 INFO L140 encePairwiseOnDemand]: 462/471 looper letters, 180 selfloop transitions, 43 changer transitions 0/223 dead transitions. [2023-08-25 07:20:05,240 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 223 transitions, 1353 flow [2023-08-25 07:20:05,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-08-25 07:20:05,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-08-25 07:20:05,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1537 transitions. [2023-08-25 07:20:05,244 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.40790870488322717 [2023-08-25 07:20:05,244 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1537 transitions. [2023-08-25 07:20:05,244 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1537 transitions. [2023-08-25 07:20:05,245 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 07:20:05,245 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1537 transitions. [2023-08-25 07:20:05,247 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 192.125) internal successors, (1537), 8 states have internal predecessors, (1537), 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) [2023-08-25 07:20:05,251 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 471.0) internal successors, (4239), 9 states have internal predecessors, (4239), 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) [2023-08-25 07:20:05,252 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 471.0) internal successors, (4239), 9 states have internal predecessors, (4239), 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) [2023-08-25 07:20:05,252 INFO L175 Difference]: Start difference. First operand has 45 places, 51 transitions, 223 flow. Second operand 8 states and 1537 transitions. [2023-08-25 07:20:05,252 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 223 transitions, 1353 flow [2023-08-25 07:20:05,288 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 223 transitions, 1353 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-25 07:20:05,290 INFO L231 Difference]: Finished difference. Result has 58 places, 87 transitions, 614 flow [2023-08-25 07:20:05,290 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=471, PETRI_DIFFERENCE_MINUEND_FLOW=223, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=614, PETRI_PLACES=58, PETRI_TRANSITIONS=87} [2023-08-25 07:20:05,290 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, -31 predicate places. [2023-08-25 07:20:05,290 INFO L495 AbstractCegarLoop]: Abstraction has has 58 places, 87 transitions, 614 flow [2023-08-25 07:20:05,291 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 174.5) internal successors, (1047), 6 states have internal predecessors, (1047), 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) [2023-08-25 07:20:05,291 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 07:20:05,291 INFO L208 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] [2023-08-25 07:20:05,291 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-25 07:20:05,291 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 80 more)] === [2023-08-25 07:20:05,292 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 07:20:05,292 INFO L85 PathProgramCache]: Analyzing trace with hash -404584082, now seen corresponding path program 1 times [2023-08-25 07:20:05,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 07:20:05,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522245617] [2023-08-25 07:20:05,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 07:20:05,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 07:20:05,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 07:20:05,490 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 07:20:05,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 07:20:05,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522245617] [2023-08-25 07:20:05,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [522245617] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-25 07:20:05,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1535860746] [2023-08-25 07:20:05,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 07:20:05,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-25 07:20:05,491 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-25 07:20:05,505 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-08-25 07:20:05,571 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-08-25 07:20:05,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 07:20:05,687 INFO L262 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 13 conjunts are in the unsatisfiable core [2023-08-25 07:20:05,692 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-08-25 07:20:05,882 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 07:20:05,882 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-08-25 07:20:06,093 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 07:20:06,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1535860746] provided 0 perfect and 2 imperfect interpolant sequences [2023-08-25 07:20:06,094 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-08-25 07:20:06,094 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 7, 7] total 15 [2023-08-25 07:20:06,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818377150] [2023-08-25 07:20:06,094 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-08-25 07:20:06,094 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-08-25 07:20:06,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 07:20:06,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-08-25 07:20:06,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2023-08-25 07:20:06,096 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 168 out of 471 [2023-08-25 07:20:06,099 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 87 transitions, 614 flow. Second operand has 16 states, 16 states have (on average 171.5) internal successors, (2744), 16 states have internal predecessors, (2744), 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) [2023-08-25 07:20:06,099 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 07:20:06,099 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 168 of 471 [2023-08-25 07:20:06,099 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 07:20:14,667 INFO L124 PetriNetUnfolderBase]: 58688/78597 cut-off events. [2023-08-25 07:20:14,667 INFO L125 PetriNetUnfolderBase]: For 186160/186160 co-relation queries the response was YES. [2023-08-25 07:20:14,860 INFO L83 FinitePrefix]: Finished finitePrefix Result has 293024 conditions, 78597 events. 58688/78597 cut-off events. For 186160/186160 co-relation queries the response was YES. Maximal size of possible extension queue 2579. Compared 467881 event pairs, 1296 based on Foata normal form. 5710/84307 useless extension candidates. Maximal degree in co-relation 293009. Up to 25379 conditions per place. [2023-08-25 07:20:15,155 INFO L140 encePairwiseOnDemand]: 457/471 looper letters, 1094 selfloop transitions, 938 changer transitions 0/2032 dead transitions. [2023-08-25 07:20:15,155 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 121 places, 2032 transitions, 16997 flow [2023-08-25 07:20:15,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2023-08-25 07:20:15,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2023-08-25 07:20:15,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 11872 transitions. [2023-08-25 07:20:15,177 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.39384288747346075 [2023-08-25 07:20:15,177 INFO L72 ComplementDD]: Start complementDD. Operand 64 states and 11872 transitions. [2023-08-25 07:20:15,177 INFO L73 IsDeterministic]: Start isDeterministic. Operand 64 states and 11872 transitions. [2023-08-25 07:20:15,181 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 07:20:15,181 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 64 states and 11872 transitions. [2023-08-25 07:20:15,196 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 65 states, 64 states have (on average 185.5) internal successors, (11872), 64 states have internal predecessors, (11872), 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) [2023-08-25 07:20:15,223 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 65 states, 65 states have (on average 471.0) internal successors, (30615), 65 states have internal predecessors, (30615), 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) [2023-08-25 07:20:15,230 INFO L81 ComplementDD]: Finished complementDD. Result has 65 states, 65 states have (on average 471.0) internal successors, (30615), 65 states have internal predecessors, (30615), 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) [2023-08-25 07:20:15,230 INFO L175 Difference]: Start difference. First operand has 58 places, 87 transitions, 614 flow. Second operand 64 states and 11872 transitions. [2023-08-25 07:20:15,230 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 121 places, 2032 transitions, 16997 flow [2023-08-25 07:20:15,886 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 121 places, 2032 transitions, 16679 flow, removed 159 selfloop flow, removed 0 redundant places. [2023-08-25 07:20:15,903 INFO L231 Difference]: Finished difference. Result has 170 places, 1129 transitions, 12175 flow [2023-08-25 07:20:15,903 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=471, PETRI_DIFFERENCE_MINUEND_FLOW=600, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=87, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=49, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=64, PETRI_FLOW=12175, PETRI_PLACES=170, PETRI_TRANSITIONS=1129} [2023-08-25 07:20:15,903 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, 81 predicate places. [2023-08-25 07:20:15,904 INFO L495 AbstractCegarLoop]: Abstraction has has 170 places, 1129 transitions, 12175 flow [2023-08-25 07:20:15,904 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 171.5) internal successors, (2744), 16 states have internal predecessors, (2744), 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) [2023-08-25 07:20:15,905 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 07:20:15,905 INFO L208 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] [2023-08-25 07:20:15,909 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-08-25 07:20:16,109 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-25 07:20:16,109 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 80 more)] === [2023-08-25 07:20:16,110 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 07:20:16,110 INFO L85 PathProgramCache]: Analyzing trace with hash -836027397, now seen corresponding path program 3 times [2023-08-25 07:20:16,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 07:20:16,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266493951] [2023-08-25 07:20:16,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 07:20:16,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 07:20:16,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 07:20:16,566 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 07:20:16,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 07:20:16,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266493951] [2023-08-25 07:20:16,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [266493951] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-25 07:20:16,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2091629922] [2023-08-25 07:20:16,569 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-08-25 07:20:16,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-25 07:20:16,569 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-25 07:20:16,570 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-08-25 07:20:16,573 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-08-25 07:20:16,714 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-08-25 07:20:16,715 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-08-25 07:20:16,716 INFO L262 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 17 conjunts are in the unsatisfiable core [2023-08-25 07:20:16,718 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-08-25 07:20:16,924 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 07:20:16,925 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-08-25 07:20:17,134 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 07:20:17,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2091629922] provided 0 perfect and 2 imperfect interpolant sequences [2023-08-25 07:20:17,135 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-08-25 07:20:17,135 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 14 [2023-08-25 07:20:17,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484340612] [2023-08-25 07:20:17,135 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-08-25 07:20:17,135 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-08-25 07:20:17,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 07:20:17,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-08-25 07:20:17,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2023-08-25 07:20:17,138 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 162 out of 471 [2023-08-25 07:20:17,144 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 170 places, 1129 transitions, 12175 flow. Second operand has 15 states, 15 states have (on average 166.73333333333332) internal successors, (2501), 15 states have internal predecessors, (2501), 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) [2023-08-25 07:20:17,145 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 07:20:17,145 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 162 of 471 [2023-08-25 07:20:17,145 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 07:20:46,976 INFO L124 PetriNetUnfolderBase]: 112633/152802 cut-off events. [2023-08-25 07:20:46,976 INFO L125 PetriNetUnfolderBase]: For 6871530/6871530 co-relation queries the response was YES. [2023-08-25 07:20:48,616 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1118125 conditions, 152802 events. 112633/152802 cut-off events. For 6871530/6871530 co-relation queries the response was YES. Maximal size of possible extension queue 5108. Compared 1014111 event pairs, 4258 based on Foata normal form. 5152/157954 useless extension candidates. Maximal degree in co-relation 1118060. Up to 48778 conditions per place. [2023-08-25 07:20:49,355 INFO L140 encePairwiseOnDemand]: 457/471 looper letters, 1782 selfloop transitions, 1971 changer transitions 2/3755 dead transitions. [2023-08-25 07:20:49,355 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 193 places, 3755 transitions, 46267 flow [2023-08-25 07:20:49,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-08-25 07:20:49,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2023-08-25 07:20:49,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 4361 transitions. [2023-08-25 07:20:49,467 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3857926397735315 [2023-08-25 07:20:49,467 INFO L72 ComplementDD]: Start complementDD. Operand 24 states and 4361 transitions. [2023-08-25 07:20:49,467 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 4361 transitions. [2023-08-25 07:20:49,469 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 07:20:49,469 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 24 states and 4361 transitions. [2023-08-25 07:20:49,474 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 25 states, 24 states have (on average 181.70833333333334) internal successors, (4361), 24 states have internal predecessors, (4361), 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) [2023-08-25 07:20:49,486 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 25 states, 25 states have (on average 471.0) internal successors, (11775), 25 states have internal predecessors, (11775), 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) [2023-08-25 07:20:49,487 INFO L81 ComplementDD]: Finished complementDD. Result has 25 states, 25 states have (on average 471.0) internal successors, (11775), 25 states have internal predecessors, (11775), 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) [2023-08-25 07:20:49,487 INFO L175 Difference]: Start difference. First operand has 170 places, 1129 transitions, 12175 flow. Second operand 24 states and 4361 transitions. [2023-08-25 07:20:49,487 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 193 places, 3755 transitions, 46267 flow [2023-08-25 07:22:12,108 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 193 places, 3755 transitions, 43687 flow, removed 1290 selfloop flow, removed 0 redundant places. [2023-08-25 07:22:12,140 INFO L231 Difference]: Finished difference. Result has 210 places, 2440 transitions, 32377 flow [2023-08-25 07:22:12,141 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=471, PETRI_DIFFERENCE_MINUEND_FLOW=11319, PETRI_DIFFERENCE_MINUEND_PLACES=170, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1129, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=724, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=300, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=32377, PETRI_PLACES=210, PETRI_TRANSITIONS=2440} [2023-08-25 07:22:12,141 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, 121 predicate places. [2023-08-25 07:22:12,141 INFO L495 AbstractCegarLoop]: Abstraction has has 210 places, 2440 transitions, 32377 flow [2023-08-25 07:22:12,142 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 166.73333333333332) internal successors, (2501), 15 states have internal predecessors, (2501), 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) [2023-08-25 07:22:12,142 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 07:22:12,142 INFO L208 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] [2023-08-25 07:22:12,146 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-08-25 07:22:12,342 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-08-25 07:22:12,343 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 80 more)] === [2023-08-25 07:22:12,343 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 07:22:12,343 INFO L85 PathProgramCache]: Analyzing trace with hash -539177567, now seen corresponding path program 4 times [2023-08-25 07:22:12,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 07:22:12,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953937206] [2023-08-25 07:22:12,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 07:22:12,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 07:22:12,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 07:22:12,506 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 07:22:12,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 07:22:12,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953937206] [2023-08-25 07:22:12,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953937206] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 07:22:12,507 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 07:22:12,507 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-25 07:22:12,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346318406] [2023-08-25 07:22:12,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 07:22:12,509 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-25 07:22:12,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 07:22:12,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-25 07:22:12,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-08-25 07:22:12,511 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 471 [2023-08-25 07:22:12,512 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 210 places, 2440 transitions, 32377 flow. Second operand has 6 states, 6 states have (on average 174.5) internal successors, (1047), 6 states have internal predecessors, (1047), 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) [2023-08-25 07:22:12,512 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 07:22:12,512 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 471 [2023-08-25 07:22:12,512 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 07:23:03,884 INFO L124 PetriNetUnfolderBase]: 124885/173030 cut-off events. [2023-08-25 07:23:03,885 INFO L125 PetriNetUnfolderBase]: For 7966914/7966914 co-relation queries the response was YES. [2023-08-25 07:23:06,340 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1415498 conditions, 173030 events. 124885/173030 cut-off events. For 7966914/7966914 co-relation queries the response was YES. Maximal size of possible extension queue 5930. Compared 1224227 event pairs, 15374 based on Foata normal form. 1232/174262 useless extension candidates. Maximal degree in co-relation 1415416. Up to 94691 conditions per place. [2023-08-25 07:23:07,331 INFO L140 encePairwiseOnDemand]: 463/471 looper letters, 2548 selfloop transitions, 1516 changer transitions 0/4064 dead transitions. [2023-08-25 07:23:07,331 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 217 places, 4064 transitions, 61458 flow [2023-08-25 07:23:07,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-08-25 07:23:07,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-08-25 07:23:07,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1512 transitions. [2023-08-25 07:23:07,333 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4012738853503185 [2023-08-25 07:23:07,333 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1512 transitions. [2023-08-25 07:23:07,333 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1512 transitions. [2023-08-25 07:23:07,334 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 07:23:07,334 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1512 transitions. [2023-08-25 07:23:07,336 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 189.0) internal successors, (1512), 8 states have internal predecessors, (1512), 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) [2023-08-25 07:23:07,339 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 471.0) internal successors, (4239), 9 states have internal predecessors, (4239), 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) [2023-08-25 07:23:07,339 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 471.0) internal successors, (4239), 9 states have internal predecessors, (4239), 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) [2023-08-25 07:23:07,339 INFO L175 Difference]: Start difference. First operand has 210 places, 2440 transitions, 32377 flow. Second operand 8 states and 1512 transitions. [2023-08-25 07:23:07,339 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 217 places, 4064 transitions, 61458 flow [2023-08-25 07:27:11,671 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 214 places, 4064 transitions, 59067 flow, removed 746 selfloop flow, removed 3 redundant places. [2023-08-25 07:27:11,714 INFO L231 Difference]: Finished difference. Result has 220 places, 2874 transitions, 41769 flow [2023-08-25 07:27:11,716 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=471, PETRI_DIFFERENCE_MINUEND_FLOW=30928, PETRI_DIFFERENCE_MINUEND_PLACES=207, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2440, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1082, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1345, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=41769, PETRI_PLACES=220, PETRI_TRANSITIONS=2874} [2023-08-25 07:27:11,716 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, 131 predicate places. [2023-08-25 07:27:11,716 INFO L495 AbstractCegarLoop]: Abstraction has has 220 places, 2874 transitions, 41769 flow [2023-08-25 07:27:11,716 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 174.5) internal successors, (1047), 6 states have internal predecessors, (1047), 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) [2023-08-25 07:27:11,716 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 07:27:11,716 INFO L208 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] [2023-08-25 07:27:11,717 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-25 07:27:11,717 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 80 more)] === [2023-08-25 07:27:11,717 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 07:27:11,717 INFO L85 PathProgramCache]: Analyzing trace with hash 22303644, now seen corresponding path program 1 times [2023-08-25 07:27:11,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 07:27:11,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859533259] [2023-08-25 07:27:11,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 07:27:11,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 07:27:11,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 07:27:11,909 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 07:27:11,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 07:27:11,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859533259] [2023-08-25 07:27:11,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1859533259] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 07:27:11,910 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 07:27:11,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-25 07:27:11,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273010695] [2023-08-25 07:27:11,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 07:27:11,910 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-25 07:27:11,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 07:27:11,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-25 07:27:11,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-08-25 07:27:11,915 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 471 [2023-08-25 07:27:11,915 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 220 places, 2874 transitions, 41769 flow. Second operand has 6 states, 6 states have (on average 174.5) internal successors, (1047), 6 states have internal predecessors, (1047), 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) [2023-08-25 07:27:11,916 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 07:27:11,916 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 471 [2023-08-25 07:27:11,916 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 07:28:23,272 INFO L124 PetriNetUnfolderBase]: 147142/205001 cut-off events. [2023-08-25 07:28:23,273 INFO L125 PetriNetUnfolderBase]: For 11075245/11075245 co-relation queries the response was YES. [2023-08-25 07:28:26,739 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1792326 conditions, 205001 events. 147142/205001 cut-off events. For 11075245/11075245 co-relation queries the response was YES. Maximal size of possible extension queue 7327. Compared 1492985 event pairs, 25491 based on Foata normal form. 1648/206649 useless extension candidates. Maximal degree in co-relation 1792237. Up to 171665 conditions per place. [2023-08-25 07:28:27,974 INFO L140 encePairwiseOnDemand]: 463/471 looper letters, 3523 selfloop transitions, 129 changer transitions 5/3657 dead transitions. [2023-08-25 07:28:27,974 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 227 places, 3657 transitions, 58894 flow [2023-08-25 07:28:27,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-08-25 07:28:27,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-08-25 07:28:27,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1506 transitions. [2023-08-25 07:28:27,977 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3996815286624204 [2023-08-25 07:28:27,977 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1506 transitions. [2023-08-25 07:28:27,977 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1506 transitions. [2023-08-25 07:28:27,977 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 07:28:27,977 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1506 transitions. [2023-08-25 07:28:27,980 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 188.25) internal successors, (1506), 8 states have internal predecessors, (1506), 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) [2023-08-25 07:28:27,983 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 471.0) internal successors, (4239), 9 states have internal predecessors, (4239), 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) [2023-08-25 07:28:27,983 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 471.0) internal successors, (4239), 9 states have internal predecessors, (4239), 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) [2023-08-25 07:28:27,983 INFO L175 Difference]: Start difference. First operand has 220 places, 2874 transitions, 41769 flow. Second operand 8 states and 1506 transitions. [2023-08-25 07:28:27,983 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 227 places, 3657 transitions, 58894 flow Received shutdown request... [2023-08-25 07:33:53,066 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-08-25 07:33:54,077 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 [2023-08-25 07:33:56,228 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr15ASSERT_VIOLATIONASSERT (83 of 84 remaining) [2023-08-25 07:33:56,228 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-25 07:33:56,228 WARN L619 AbstractCegarLoop]: Verification canceled: while executing RemoveRedundantFlow. [2023-08-25 07:33:56,229 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err0ASSERT_VIOLATIONDATA_RACE (82 of 84 remaining) [2023-08-25 07:33:56,230 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err1ASSERT_VIOLATIONDATA_RACE (81 of 84 remaining) [2023-08-25 07:33:56,230 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err2ASSERT_VIOLATIONDATA_RACE (80 of 84 remaining) [2023-08-25 07:33:56,230 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err3ASSERT_VIOLATIONDATA_RACE (79 of 84 remaining) [2023-08-25 07:33:56,230 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err4ASSERT_VIOLATIONDATA_RACE (78 of 84 remaining) [2023-08-25 07:33:56,230 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err5ASSERT_VIOLATIONDATA_RACE (77 of 84 remaining) [2023-08-25 07:33:56,230 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err6ASSERT_VIOLATIONDATA_RACE (76 of 84 remaining) [2023-08-25 07:33:56,230 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err7ASSERT_VIOLATIONDATA_RACE (75 of 84 remaining) [2023-08-25 07:33:56,230 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err0ASSERT_VIOLATIONDATA_RACE (74 of 84 remaining) [2023-08-25 07:33:56,230 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err1ASSERT_VIOLATIONDATA_RACE (73 of 84 remaining) [2023-08-25 07:33:56,230 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err2ASSERT_VIOLATIONDATA_RACE (72 of 84 remaining) [2023-08-25 07:33:56,230 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err3ASSERT_VIOLATIONDATA_RACE (71 of 84 remaining) [2023-08-25 07:33:56,230 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err4ASSERT_VIOLATIONDATA_RACE (70 of 84 remaining) [2023-08-25 07:33:56,231 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err5ASSERT_VIOLATIONDATA_RACE (69 of 84 remaining) [2023-08-25 07:33:56,231 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err6ASSERT_VIOLATIONDATA_RACE (68 of 84 remaining) [2023-08-25 07:33:56,231 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err7ASSERT_VIOLATIONDATA_RACE (67 of 84 remaining) [2023-08-25 07:33:56,231 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err0ASSERT_VIOLATIONDATA_RACE (66 of 84 remaining) [2023-08-25 07:33:56,231 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err1ASSERT_VIOLATIONDATA_RACE (65 of 84 remaining) [2023-08-25 07:33:56,231 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err2ASSERT_VIOLATIONDATA_RACE (64 of 84 remaining) [2023-08-25 07:33:56,231 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err3ASSERT_VIOLATIONDATA_RACE (63 of 84 remaining) [2023-08-25 07:33:56,231 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err4ASSERT_VIOLATIONDATA_RACE (62 of 84 remaining) [2023-08-25 07:33:56,231 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err5ASSERT_VIOLATIONDATA_RACE (61 of 84 remaining) [2023-08-25 07:33:56,231 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err6ASSERT_VIOLATIONDATA_RACE (60 of 84 remaining) [2023-08-25 07:33:56,231 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err7ASSERT_VIOLATIONDATA_RACE (59 of 84 remaining) [2023-08-25 07:33:56,231 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (58 of 84 remaining) [2023-08-25 07:33:56,231 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (57 of 84 remaining) [2023-08-25 07:33:56,231 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (56 of 84 remaining) [2023-08-25 07:33:56,232 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (55 of 84 remaining) [2023-08-25 07:33:56,232 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (54 of 84 remaining) [2023-08-25 07:33:56,232 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (53 of 84 remaining) [2023-08-25 07:33:56,232 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (52 of 84 remaining) [2023-08-25 07:33:56,232 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (51 of 84 remaining) [2023-08-25 07:33:56,232 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (50 of 84 remaining) [2023-08-25 07:33:56,232 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (49 of 84 remaining) [2023-08-25 07:33:56,232 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (48 of 84 remaining) [2023-08-25 07:33:56,232 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (47 of 84 remaining) [2023-08-25 07:33:56,232 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (46 of 84 remaining) [2023-08-25 07:33:56,232 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (45 of 84 remaining) [2023-08-25 07:33:56,232 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (44 of 84 remaining) [2023-08-25 07:33:56,232 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (43 of 84 remaining) [2023-08-25 07:33:56,233 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (42 of 84 remaining) [2023-08-25 07:33:56,233 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (41 of 84 remaining) [2023-08-25 07:33:56,233 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (40 of 84 remaining) [2023-08-25 07:33:56,233 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err0ASSERT_VIOLATIONDATA_RACE (39 of 84 remaining) [2023-08-25 07:33:56,233 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err1ASSERT_VIOLATIONDATA_RACE (38 of 84 remaining) [2023-08-25 07:33:56,233 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err2ASSERT_VIOLATIONDATA_RACE (37 of 84 remaining) [2023-08-25 07:33:56,233 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err3ASSERT_VIOLATIONDATA_RACE (36 of 84 remaining) [2023-08-25 07:33:56,233 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err4ASSERT_VIOLATIONDATA_RACE (35 of 84 remaining) [2023-08-25 07:33:56,233 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err5ASSERT_VIOLATIONDATA_RACE (34 of 84 remaining) [2023-08-25 07:33:56,233 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err6ASSERT_VIOLATIONDATA_RACE (33 of 84 remaining) [2023-08-25 07:33:56,233 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err7ASSERT_VIOLATIONDATA_RACE (32 of 84 remaining) [2023-08-25 07:33:56,233 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err0ASSERT_VIOLATIONDATA_RACE (31 of 84 remaining) [2023-08-25 07:33:56,233 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err1ASSERT_VIOLATIONDATA_RACE (30 of 84 remaining) [2023-08-25 07:33:56,233 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err2ASSERT_VIOLATIONDATA_RACE (29 of 84 remaining) [2023-08-25 07:33:56,233 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err3ASSERT_VIOLATIONDATA_RACE (28 of 84 remaining) [2023-08-25 07:33:56,234 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err4ASSERT_VIOLATIONDATA_RACE (27 of 84 remaining) [2023-08-25 07:33:56,234 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err5ASSERT_VIOLATIONDATA_RACE (26 of 84 remaining) [2023-08-25 07:33:56,234 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err6ASSERT_VIOLATIONDATA_RACE (25 of 84 remaining) [2023-08-25 07:33:56,234 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err7ASSERT_VIOLATIONDATA_RACE (24 of 84 remaining) [2023-08-25 07:33:56,234 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err0ASSERT_VIOLATIONDATA_RACE (23 of 84 remaining) [2023-08-25 07:33:56,234 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err1ASSERT_VIOLATIONDATA_RACE (22 of 84 remaining) [2023-08-25 07:33:56,234 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err2ASSERT_VIOLATIONDATA_RACE (21 of 84 remaining) [2023-08-25 07:33:56,234 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err3ASSERT_VIOLATIONDATA_RACE (20 of 84 remaining) [2023-08-25 07:33:56,234 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err4ASSERT_VIOLATIONDATA_RACE (19 of 84 remaining) [2023-08-25 07:33:56,234 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err5ASSERT_VIOLATIONDATA_RACE (18 of 84 remaining) [2023-08-25 07:33:56,234 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err6ASSERT_VIOLATIONDATA_RACE (17 of 84 remaining) [2023-08-25 07:33:56,234 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err7ASSERT_VIOLATIONDATA_RACE (16 of 84 remaining) [2023-08-25 07:33:56,234 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err0ASSERT_VIOLATIONDATA_RACE (15 of 84 remaining) [2023-08-25 07:33:56,234 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err1ASSERT_VIOLATIONDATA_RACE (14 of 84 remaining) [2023-08-25 07:33:56,235 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err2ASSERT_VIOLATIONDATA_RACE (13 of 84 remaining) [2023-08-25 07:33:56,235 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err3ASSERT_VIOLATIONDATA_RACE (12 of 84 remaining) [2023-08-25 07:33:56,235 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err4ASSERT_VIOLATIONDATA_RACE (11 of 84 remaining) [2023-08-25 07:33:56,235 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err5ASSERT_VIOLATIONDATA_RACE (10 of 84 remaining) [2023-08-25 07:33:56,235 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err6ASSERT_VIOLATIONDATA_RACE (9 of 84 remaining) [2023-08-25 07:33:56,235 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err7ASSERT_VIOLATIONDATA_RACE (8 of 84 remaining) [2023-08-25 07:33:56,235 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err0ASSERT_VIOLATIONDATA_RACE (7 of 84 remaining) [2023-08-25 07:33:56,235 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err1ASSERT_VIOLATIONDATA_RACE (6 of 84 remaining) [2023-08-25 07:33:56,235 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err2ASSERT_VIOLATIONDATA_RACE (5 of 84 remaining) [2023-08-25 07:33:56,235 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err3ASSERT_VIOLATIONDATA_RACE (4 of 84 remaining) [2023-08-25 07:33:56,235 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err4ASSERT_VIOLATIONDATA_RACE (3 of 84 remaining) [2023-08-25 07:33:56,235 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err5ASSERT_VIOLATIONDATA_RACE (2 of 84 remaining) [2023-08-25 07:33:56,235 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err6ASSERT_VIOLATIONDATA_RACE (1 of 84 remaining) [2023-08-25 07:33:56,235 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err7ASSERT_VIOLATIONDATA_RACE (0 of 84 remaining) [2023-08-25 07:33:56,236 INFO L445 BasicCegarLoop]: Path program histogram: [4, 1, 1, 1, 1] [2023-08-25 07:33:56,239 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-25 07:33:56,239 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-25 07:33:56,241 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.08 07:33:56 BasicIcfg [2023-08-25 07:33:56,241 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-25 07:33:56,241 INFO L158 Benchmark]: Toolchain (without parser) took 841273.89ms. Allocated memory was 381.7MB in the beginning and 15.2GB in the end (delta: 14.9GB). Free memory was 358.0MB in the beginning and 8.2GB in the end (delta: -7.8GB). Peak memory consumption was 12.0GB. Max. memory is 16.0GB. [2023-08-25 07:33:56,241 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 381.7MB. Free memory is still 358.6MB. There was no memory consumed. Max. memory is 16.0GB. [2023-08-25 07:33:56,241 INFO L158 Benchmark]: CACSL2BoogieTranslator took 179.44ms. Allocated memory is still 381.7MB. Free memory was 358.0MB in the beginning and 345.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. [2023-08-25 07:33:56,242 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.09ms. Allocated memory is still 381.7MB. Free memory was 345.5MB in the beginning and 343.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-08-25 07:33:56,242 INFO L158 Benchmark]: Boogie Preprocessor took 35.98ms. Allocated memory is still 381.7MB. Free memory was 343.4MB in the beginning and 341.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-08-25 07:33:56,242 INFO L158 Benchmark]: RCFGBuilder took 621.18ms. Allocated memory is still 381.7MB. Free memory was 341.3MB in the beginning and 346.3MB in the end (delta: -5.0MB). Peak memory consumption was 37.4MB. Max. memory is 16.0GB. [2023-08-25 07:33:56,242 INFO L158 Benchmark]: TraceAbstraction took 840407.52ms. Allocated memory was 381.7MB in the beginning and 15.2GB in the end (delta: 14.9GB). Free memory was 345.2MB in the beginning and 8.2GB in the end (delta: -7.8GB). Peak memory consumption was 12.0GB. Max. memory is 16.0GB. [2023-08-25 07:33:56,243 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 381.7MB. Free memory is still 358.6MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 179.44ms. Allocated memory is still 381.7MB. Free memory was 358.0MB in the beginning and 345.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 26.09ms. Allocated memory is still 381.7MB. Free memory was 345.5MB in the beginning and 343.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 35.98ms. Allocated memory is still 381.7MB. Free memory was 343.4MB in the beginning and 341.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 621.18ms. Allocated memory is still 381.7MB. Free memory was 341.3MB in the beginning and 346.3MB in the end (delta: -5.0MB). Peak memory consumption was 37.4MB. Max. memory is 16.0GB. * TraceAbstraction took 840407.52ms. Allocated memory was 381.7MB in the beginning and 15.2GB in the end (delta: 14.9GB). Free memory was 345.2MB in the beginning and 8.2GB in the end (delta: -7.8GB). Peak memory consumption was 12.0GB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5.5s, 223 PlacesBefore, 89 PlacesAfterwards, 221 TransitionsBefore, 80 TransitionsAfterwards, 7104 CoEnabledTransitionPairs, 9 FixpointIterations, 129 TrivialSequentialCompositions, 77 ConcurrentSequentialCompositions, 12 TrivialYvCompositions, 8 ConcurrentYvCompositions, 7 ChoiceCompositions, 233 TotalNumberOfCompositions, 16324 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 9947, independent: 9791, independent conditional: 0, independent unconditional: 9791, dependent: 156, dependent conditional: 0, dependent unconditional: 156, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2912, independent: 2897, independent conditional: 0, independent unconditional: 2897, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 9947, independent: 6894, independent conditional: 0, independent unconditional: 6894, dependent: 141, dependent conditional: 0, dependent unconditional: 141, unknown: 2912, unknown conditional: 0, unknown unconditional: 2912] , Statistics on independence cache: Total cache size (in pairs): 499, Positive cache size: 487, Positive conditional cache size: 0, Positive unconditional cache size: 487, Negative cache size: 12, Negative conditional cache size: 0, Negative unconditional cache size: 12, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - TimeoutResultAtElement [Line: 21]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 44]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 48]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 49]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 49]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 49]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 50]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 50]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 54]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 63]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 67]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 68]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 68]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 68]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 69]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 69]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 73]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 82]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 86]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 87]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 87]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 87]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 88]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 88]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 92]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 121]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 122]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 123]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 124]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 125]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 126]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 126]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 126]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 126]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 133]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 134]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 135]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 136]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 138]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 138]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 132]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 130]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 129]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 131]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 101]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 105]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 106]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 106]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 106]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 107]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 107]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 111]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing RemoveRedundantFlow. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 292 locations, 84 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: 840.3s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 831.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 5.7s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1246 SdHoareTripleChecker+Valid, 3.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1246 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 2.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 124 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5125 IncrementalHoareTripleChecker+Invalid, 5249 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 124 mSolverCounterUnsat, 0 mSDtfsCounter, 5125 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 224 GetRequests, 95 SyntacticMatches, 2 SemanticMatches, 127 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1597 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=41769occurred in iteration=7, InterpolantAutomatonStates: 115, 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: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 242 NumberOfCodeBlocks, 242 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 284 ConstructedInterpolants, 0 QuantifiedInterpolants, 2087 SizeOfPredicates, 35 NumberOfNonLiveVariables, 564 ConjunctsInSsa, 30 ConjunctsInUnsatCore, 12 InterpolantComputations, 6 PerfectInterpolantSequences, 4/10 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 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown