/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/parallel-simple-equiv.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-ac9dbd0-m [2023-08-25 05:41:49,945 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-08-25 05:41:50,019 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 05:41:50,023 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-08-25 05:41:50,024 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-08-25 05:41:50,053 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-25 05:41:50,053 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-25 05:41:50,054 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-25 05:41:50,054 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-25 05:41:50,058 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-08-25 05:41:50,058 INFO L153 SettingsManager]: * Use SBE=true [2023-08-25 05:41:50,058 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-25 05:41:50,059 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-25 05:41:50,060 INFO L153 SettingsManager]: * sizeof long=4 [2023-08-25 05:41:50,060 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-25 05:41:50,060 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-08-25 05:41:50,060 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-08-25 05:41:50,061 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-25 05:41:50,061 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-25 05:41:50,061 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-25 05:41:50,061 INFO L153 SettingsManager]: * sizeof long double=12 [2023-08-25 05:41:50,062 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-08-25 05:41:50,062 INFO L153 SettingsManager]: * Use constant arrays=true [2023-08-25 05:41:50,063 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-25 05:41:50,063 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-25 05:41:50,063 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-08-25 05:41:50,063 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-25 05:41:50,064 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 05:41:50,064 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-25 05:41:50,064 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-25 05:41:50,065 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-25 05:41:50,065 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-25 05:41:50,065 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-25 05:41:50,066 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-25 05:41:50,066 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-25 05:41:50,066 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true [2023-08-25 05:41:50,357 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-25 05:41:50,374 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-25 05:41:50,376 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-25 05:41:50,377 INFO L270 PluginConnector]: Initializing CDTParser... [2023-08-25 05:41:50,378 INFO L274 PluginConnector]: CDTParser initialized [2023-08-25 05:41:50,379 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-simple-equiv.wvr.c [2023-08-25 05:41:51,635 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-08-25 05:41:51,859 INFO L384 CDTParser]: Found 1 translation units. [2023-08-25 05:41:51,860 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-simple-equiv.wvr.c [2023-08-25 05:41:51,867 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b4ca58110/2311c7868d67459fb09b28c6c2769f00/FLAGeae4c28bd [2023-08-25 05:41:51,881 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b4ca58110/2311c7868d67459fb09b28c6c2769f00 [2023-08-25 05:41:51,886 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-25 05:41:51,887 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-08-25 05:41:51,890 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-25 05:41:51,890 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-25 05:41:51,892 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-25 05:41:51,894 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 05:41:51" (1/1) ... [2023-08-25 05:41:51,895 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4832512e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 05:41:51, skipping insertion in model container [2023-08-25 05:41:51,895 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 05:41:51" (1/1) ... [2023-08-25 05:41:51,914 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-08-25 05:41:52,091 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 05:41:52,106 INFO L201 MainTranslator]: Completed pre-run [2023-08-25 05:41:52,139 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 05:41:52,147 WARN L669 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-25 05:41:52,147 WARN L669 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-25 05:41:52,153 INFO L206 MainTranslator]: Completed translation [2023-08-25 05:41:52,153 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 05:41:52 WrapperNode [2023-08-25 05:41:52,153 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-25 05:41:52,154 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-25 05:41:52,155 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-25 05:41:52,155 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-25 05:41:52,161 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 05:41:52" (1/1) ... [2023-08-25 05:41:52,183 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 05:41:52" (1/1) ... [2023-08-25 05:41:52,216 INFO L138 Inliner]: procedures = 22, calls = 31, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 111 [2023-08-25 05:41:52,216 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-25 05:41:52,218 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-25 05:41:52,218 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-25 05:41:52,218 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-08-25 05:41:52,226 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 05:41:52" (1/1) ... [2023-08-25 05:41:52,226 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 05:41:52" (1/1) ... [2023-08-25 05:41:52,238 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 05:41:52" (1/1) ... [2023-08-25 05:41:52,239 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 05:41:52" (1/1) ... [2023-08-25 05:41:52,244 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 05:41:52" (1/1) ... [2023-08-25 05:41:52,246 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 05:41:52" (1/1) ... [2023-08-25 05:41:52,247 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 05:41:52" (1/1) ... [2023-08-25 05:41:52,248 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 05:41:52" (1/1) ... [2023-08-25 05:41:52,252 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-25 05:41:52,252 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-25 05:41:52,253 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-08-25 05:41:52,253 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-08-25 05:41:52,253 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 05:41:52" (1/1) ... [2023-08-25 05:41:52,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 05:41:52,269 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-25 05:41:52,280 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 05:41:52,293 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 05:41:52,310 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-25 05:41:52,310 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-25 05:41:52,310 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-25 05:41:52,311 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-25 05:41:52,311 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-25 05:41:52,311 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-08-25 05:41:52,311 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-08-25 05:41:52,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-25 05:41:52,311 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-25 05:41:52,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-25 05:41:52,311 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-25 05:41:52,312 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-25 05:41:52,312 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-25 05:41:52,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-25 05:41:52,312 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-25 05:41:52,312 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-25 05:41:52,313 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 05:41:52,410 INFO L236 CfgBuilder]: Building ICFG [2023-08-25 05:41:52,413 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-25 05:41:52,746 INFO L277 CfgBuilder]: Performing block encoding [2023-08-25 05:41:52,799 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-25 05:41:52,799 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-25 05:41:52,801 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 05:41:52 BoogieIcfgContainer [2023-08-25 05:41:52,801 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-25 05:41:52,804 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-25 05:41:52,804 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-08-25 05:41:52,806 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-08-25 05:41:52,807 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.08 05:41:51" (1/3) ... [2023-08-25 05:41:52,807 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52e7a414 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 05:41:52, skipping insertion in model container [2023-08-25 05:41:52,807 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 05:41:52" (2/3) ... [2023-08-25 05:41:52,808 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52e7a414 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 05:41:52, skipping insertion in model container [2023-08-25 05:41:52,808 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 05:41:52" (3/3) ... [2023-08-25 05:41:52,809 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-simple-equiv.wvr.c [2023-08-25 05:41:52,825 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-25 05:41:52,826 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 23 error locations. [2023-08-25 05:41:52,826 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-25 05:41:52,904 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-08-25 05:41:52,945 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 180 places, 172 transitions, 368 flow [2023-08-25 05:41:53,038 INFO L124 PetriNetUnfolderBase]: 2/169 cut-off events. [2023-08-25 05:41:53,038 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-08-25 05:41:53,043 INFO L83 FinitePrefix]: Finished finitePrefix Result has 182 conditions, 169 events. 2/169 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 118 event pairs, 0 based on Foata normal form. 0/144 useless extension candidates. Maximal degree in co-relation 89. Up to 2 conditions per place. [2023-08-25 05:41:53,043 INFO L82 GeneralOperation]: Start removeDead. Operand has 180 places, 172 transitions, 368 flow [2023-08-25 05:41:53,050 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 166 places, 158 transitions, 334 flow [2023-08-25 05:41:53,053 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-25 05:41:53,065 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 166 places, 158 transitions, 334 flow [2023-08-25 05:41:53,068 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 166 places, 158 transitions, 334 flow [2023-08-25 05:41:53,069 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 166 places, 158 transitions, 334 flow [2023-08-25 05:41:53,115 INFO L124 PetriNetUnfolderBase]: 2/158 cut-off events. [2023-08-25 05:41:53,115 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-08-25 05:41:53,117 INFO L83 FinitePrefix]: Finished finitePrefix Result has 171 conditions, 158 events. 2/158 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 117 event pairs, 0 based on Foata normal form. 0/134 useless extension candidates. Maximal degree in co-relation 80. Up to 2 conditions per place. [2023-08-25 05:41:53,120 INFO L119 LiptonReduction]: Number of co-enabled transitions 3312 [2023-08-25 05:41:57,703 INFO L134 LiptonReduction]: Checked pairs total: 4049 [2023-08-25 05:41:57,703 INFO L136 LiptonReduction]: Total number of compositions: 191 [2023-08-25 05:41:57,715 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-25 05:41:57,721 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;@25fb73ea, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-25 05:41:57,721 INFO L358 AbstractCegarLoop]: Starting to check reachability of 38 error locations. [2023-08-25 05:41:57,722 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-25 05:41:57,722 INFO L124 PetriNetUnfolderBase]: 0/0 cut-off events. [2023-08-25 05:41:57,722 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 05:41:57,723 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 05:41:57,723 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-25 05:41:57,723 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-08-25 05:41:57,727 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 05:41:57,727 INFO L85 PathProgramCache]: Analyzing trace with hash 649, now seen corresponding path program 1 times [2023-08-25 05:41:57,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 05:41:57,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547998053] [2023-08-25 05:41:57,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 05:41:57,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 05:41:57,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 05:41:57,811 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 05:41:57,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 05:41:57,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547998053] [2023-08-25 05:41:57,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [547998053] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 05:41:57,812 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 05:41:57,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-25 05:41:57,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505390107] [2023-08-25 05:41:57,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 05:41:57,820 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-25 05:41:57,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 05:41:57,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-25 05:41:57,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-25 05:41:57,849 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 157 out of 363 [2023-08-25 05:41:57,853 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 38 transitions, 94 flow. Second operand has 2 states, 2 states have (on average 157.5) internal successors, (315), 2 states have internal predecessors, (315), 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 05:41:57,853 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 05:41:57,853 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 157 of 363 [2023-08-25 05:41:57,854 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 05:41:57,913 INFO L124 PetriNetUnfolderBase]: 37/80 cut-off events. [2023-08-25 05:41:57,913 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2023-08-25 05:41:57,914 INFO L83 FinitePrefix]: Finished finitePrefix Result has 186 conditions, 80 events. 37/80 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 150 event pairs, 37 based on Foata normal form. 0/80 useless extension candidates. Maximal degree in co-relation 120. Up to 81 conditions per place. [2023-08-25 05:41:57,916 INFO L140 encePairwiseOnDemand]: 341/363 looper letters, 16 selfloop transitions, 0 changer transitions 0/16 dead transitions. [2023-08-25 05:41:57,916 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 27 places, 16 transitions, 82 flow [2023-08-25 05:41:57,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-25 05:41:57,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-25 05:41:57,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 352 transitions. [2023-08-25 05:41:57,929 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48484848484848486 [2023-08-25 05:41:57,930 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 352 transitions. [2023-08-25 05:41:57,930 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 352 transitions. [2023-08-25 05:41:57,931 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 05:41:57,933 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 352 transitions. [2023-08-25 05:41:57,939 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 176.0) internal successors, (352), 2 states have internal predecessors, (352), 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 05:41:57,944 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 363.0) internal successors, (1089), 3 states have internal predecessors, (1089), 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 05:41:57,945 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 363.0) internal successors, (1089), 3 states have internal predecessors, (1089), 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 05:41:57,947 INFO L175 Difference]: Start difference. First operand has 48 places, 38 transitions, 94 flow. Second operand 2 states and 352 transitions. [2023-08-25 05:41:57,947 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 27 places, 16 transitions, 82 flow [2023-08-25 05:41:57,950 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 21 places, 16 transitions, 70 flow, removed 0 selfloop flow, removed 6 redundant places. [2023-08-25 05:41:57,951 INFO L231 Difference]: Finished difference. Result has 21 places, 16 transitions, 38 flow [2023-08-25 05:41:57,953 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=363, PETRI_DIFFERENCE_MINUEND_FLOW=38, PETRI_DIFFERENCE_MINUEND_PLACES=20, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=16, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=38, PETRI_PLACES=21, PETRI_TRANSITIONS=16} [2023-08-25 05:41:57,956 INFO L281 CegarLoopForPetriNet]: 48 programPoint places, -27 predicate places. [2023-08-25 05:41:57,956 INFO L495 AbstractCegarLoop]: Abstraction has has 21 places, 16 transitions, 38 flow [2023-08-25 05:41:57,956 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 157.5) internal successors, (315), 2 states have internal predecessors, (315), 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 05:41:57,956 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 05:41:57,957 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 05:41:57,957 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-25 05:41:57,958 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-08-25 05:41:57,965 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 05:41:57,965 INFO L85 PathProgramCache]: Analyzing trace with hash 2000821449, now seen corresponding path program 1 times [2023-08-25 05:41:57,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 05:41:57,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800635037] [2023-08-25 05:41:57,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 05:41:57,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 05:41:58,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 05:41:58,636 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 05:41:58,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 05:41:58,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800635037] [2023-08-25 05:41:58,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [800635037] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 05:41:58,637 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 05:41:58,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-25 05:41:58,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893538891] [2023-08-25 05:41:58,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 05:41:58,638 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-08-25 05:41:58,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 05:41:58,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-08-25 05:41:58,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-08-25 05:41:58,641 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 147 out of 363 [2023-08-25 05:41:58,642 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 21 places, 16 transitions, 38 flow. Second operand has 5 states, 5 states have (on average 150.2) internal successors, (751), 5 states have internal predecessors, (751), 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 05:41:58,642 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 05:41:58,642 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 147 of 363 [2023-08-25 05:41:58,642 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 05:41:58,803 INFO L124 PetriNetUnfolderBase]: 36/86 cut-off events. [2023-08-25 05:41:58,804 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2023-08-25 05:41:58,804 INFO L83 FinitePrefix]: Finished finitePrefix Result has 182 conditions, 86 events. 36/86 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 225 event pairs, 1 based on Foata normal form. 1/87 useless extension candidates. Maximal degree in co-relation 179. Up to 31 conditions per place. [2023-08-25 05:41:58,805 INFO L140 encePairwiseOnDemand]: 358/363 looper letters, 22 selfloop transitions, 5 changer transitions 15/42 dead transitions. [2023-08-25 05:41:58,805 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 25 places, 42 transitions, 183 flow [2023-08-25 05:41:58,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-25 05:41:58,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-25 05:41:58,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 778 transitions. [2023-08-25 05:41:58,811 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4286501377410468 [2023-08-25 05:41:58,811 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 778 transitions. [2023-08-25 05:41:58,811 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 778 transitions. [2023-08-25 05:41:58,812 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 05:41:58,812 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 778 transitions. [2023-08-25 05:41:58,814 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 155.6) internal successors, (778), 5 states have internal predecessors, (778), 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 05:41:58,818 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 363.0) internal successors, (2178), 6 states have internal predecessors, (2178), 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 05:41:58,819 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 363.0) internal successors, (2178), 6 states have internal predecessors, (2178), 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 05:41:58,819 INFO L175 Difference]: Start difference. First operand has 21 places, 16 transitions, 38 flow. Second operand 5 states and 778 transitions. [2023-08-25 05:41:58,819 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 25 places, 42 transitions, 183 flow [2023-08-25 05:41:58,820 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 25 places, 42 transitions, 183 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-25 05:41:58,821 INFO L231 Difference]: Finished difference. Result has 27 places, 19 transitions, 71 flow [2023-08-25 05:41:58,822 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=363, PETRI_DIFFERENCE_MINUEND_FLOW=38, PETRI_DIFFERENCE_MINUEND_PLACES=21, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=16, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=12, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=71, PETRI_PLACES=27, PETRI_TRANSITIONS=19} [2023-08-25 05:41:58,822 INFO L281 CegarLoopForPetriNet]: 48 programPoint places, -21 predicate places. [2023-08-25 05:41:58,822 INFO L495 AbstractCegarLoop]: Abstraction has has 27 places, 19 transitions, 71 flow [2023-08-25 05:41:58,823 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 150.2) internal successors, (751), 5 states have internal predecessors, (751), 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 05:41:58,824 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 05:41:58,826 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 05:41:58,827 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-25 05:41:58,827 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-08-25 05:41:58,834 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 05:41:58,834 INFO L85 PathProgramCache]: Analyzing trace with hash -462150107, now seen corresponding path program 2 times [2023-08-25 05:41:58,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 05:41:58,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413722410] [2023-08-25 05:41:58,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 05:41:58,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 05:41:58,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 05:41:59,221 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 05:41:59,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 05:41:59,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1413722410] [2023-08-25 05:41:59,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1413722410] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 05:41:59,222 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 05:41:59,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-08-25 05:41:59,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601193037] [2023-08-25 05:41:59,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 05:41:59,223 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-25 05:41:59,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 05:41:59,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-25 05:41:59,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-08-25 05:41:59,225 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 136 out of 363 [2023-08-25 05:41:59,226 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 27 places, 19 transitions, 71 flow. Second operand has 6 states, 6 states have (on average 138.66666666666666) internal successors, (832), 6 states have internal predecessors, (832), 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 05:41:59,226 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 05:41:59,226 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 136 of 363 [2023-08-25 05:41:59,226 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 05:41:59,368 INFO L124 PetriNetUnfolderBase]: 25/73 cut-off events. [2023-08-25 05:41:59,369 INFO L125 PetriNetUnfolderBase]: For 47/47 co-relation queries the response was YES. [2023-08-25 05:41:59,369 INFO L83 FinitePrefix]: Finished finitePrefix Result has 228 conditions, 73 events. 25/73 cut-off events. For 47/47 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 182 event pairs, 4 based on Foata normal form. 1/74 useless extension candidates. Maximal degree in co-relation 222. Up to 30 conditions per place. [2023-08-25 05:41:59,369 INFO L140 encePairwiseOnDemand]: 358/363 looper letters, 15 selfloop transitions, 2 changer transitions 21/38 dead transitions. [2023-08-25 05:41:59,370 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 38 transitions, 200 flow [2023-08-25 05:41:59,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-25 05:41:59,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-25 05:41:59,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 855 transitions. [2023-08-25 05:41:59,372 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3925619834710744 [2023-08-25 05:41:59,373 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 855 transitions. [2023-08-25 05:41:59,373 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 855 transitions. [2023-08-25 05:41:59,373 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 05:41:59,373 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 855 transitions. [2023-08-25 05:41:59,375 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 142.5) internal successors, (855), 6 states have internal predecessors, (855), 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 05:41:59,378 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 363.0) internal successors, (2541), 7 states have internal predecessors, (2541), 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 05:41:59,379 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 363.0) internal successors, (2541), 7 states have internal predecessors, (2541), 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 05:41:59,379 INFO L175 Difference]: Start difference. First operand has 27 places, 19 transitions, 71 flow. Second operand 6 states and 855 transitions. [2023-08-25 05:41:59,379 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 38 transitions, 200 flow [2023-08-25 05:41:59,381 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 29 places, 38 transitions, 191 flow, removed 1 selfloop flow, removed 2 redundant places. [2023-08-25 05:41:59,382 INFO L231 Difference]: Finished difference. Result has 31 places, 16 transitions, 58 flow [2023-08-25 05:41:59,382 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=363, PETRI_DIFFERENCE_MINUEND_FLOW=63, PETRI_DIFFERENCE_MINUEND_PLACES=24, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=19, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=58, PETRI_PLACES=31, PETRI_TRANSITIONS=16} [2023-08-25 05:41:59,383 INFO L281 CegarLoopForPetriNet]: 48 programPoint places, -17 predicate places. [2023-08-25 05:41:59,383 INFO L495 AbstractCegarLoop]: Abstraction has has 31 places, 16 transitions, 58 flow [2023-08-25 05:41:59,384 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 138.66666666666666) internal successors, (832), 6 states have internal predecessors, (832), 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 05:41:59,384 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 05:41:59,384 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 05:41:59,384 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-25 05:41:59,388 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-08-25 05:41:59,388 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 05:41:59,389 INFO L85 PathProgramCache]: Analyzing trace with hash 2105825967, now seen corresponding path program 3 times [2023-08-25 05:41:59,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 05:41:59,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665506998] [2023-08-25 05:41:59,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 05:41:59,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 05:41:59,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 05:41:59,728 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 05:41:59,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 05:41:59,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665506998] [2023-08-25 05:41:59,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [665506998] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 05:41:59,728 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 05:41:59,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-25 05:41:59,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186851958] [2023-08-25 05:41:59,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 05:41:59,729 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-08-25 05:41:59,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 05:41:59,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-08-25 05:41:59,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-08-25 05:41:59,732 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 147 out of 363 [2023-08-25 05:41:59,733 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 16 transitions, 58 flow. Second operand has 5 states, 5 states have (on average 150.2) internal successors, (751), 5 states have internal predecessors, (751), 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 05:41:59,733 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 05:41:59,733 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 147 of 363 [2023-08-25 05:41:59,733 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 05:41:59,814 INFO L124 PetriNetUnfolderBase]: 8/30 cut-off events. [2023-08-25 05:41:59,814 INFO L125 PetriNetUnfolderBase]: For 28/28 co-relation queries the response was YES. [2023-08-25 05:41:59,814 INFO L83 FinitePrefix]: Finished finitePrefix Result has 105 conditions, 30 events. 8/30 cut-off events. For 28/28 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 34 event pairs, 1 based on Foata normal form. 1/31 useless extension candidates. Maximal degree in co-relation 97. Up to 19 conditions per place. [2023-08-25 05:41:59,815 INFO L140 encePairwiseOnDemand]: 358/363 looper letters, 0 selfloop transitions, 0 changer transitions 21/21 dead transitions. [2023-08-25 05:41:59,815 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 30 places, 21 transitions, 121 flow [2023-08-25 05:41:59,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-25 05:41:59,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-25 05:41:59,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 757 transitions. [2023-08-25 05:41:59,817 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41707988980716254 [2023-08-25 05:41:59,817 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 757 transitions. [2023-08-25 05:41:59,817 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 757 transitions. [2023-08-25 05:41:59,818 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 05:41:59,818 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 757 transitions. [2023-08-25 05:41:59,819 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 151.4) internal successors, (757), 5 states have internal predecessors, (757), 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 05:41:59,822 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 363.0) internal successors, (2178), 6 states have internal predecessors, (2178), 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 05:41:59,824 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 363.0) internal successors, (2178), 6 states have internal predecessors, (2178), 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 05:41:59,824 INFO L175 Difference]: Start difference. First operand has 31 places, 16 transitions, 58 flow. Second operand 5 states and 757 transitions. [2023-08-25 05:41:59,824 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 30 places, 21 transitions, 121 flow [2023-08-25 05:41:59,826 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 25 places, 21 transitions, 99 flow, removed 8 selfloop flow, removed 5 redundant places. [2023-08-25 05:41:59,827 INFO L231 Difference]: Finished difference. Result has 25 places, 0 transitions, 0 flow [2023-08-25 05:41:59,827 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=363, PETRI_DIFFERENCE_MINUEND_FLOW=40, PETRI_DIFFERENCE_MINUEND_PLACES=21, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=15, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=25, PETRI_TRANSITIONS=0} [2023-08-25 05:41:59,828 INFO L281 CegarLoopForPetriNet]: 48 programPoint places, -23 predicate places. [2023-08-25 05:41:59,828 INFO L495 AbstractCegarLoop]: Abstraction has has 25 places, 0 transitions, 0 flow [2023-08-25 05:41:59,829 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 150.2) internal successors, (751), 5 states have internal predecessors, (751), 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 05:41:59,831 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (37 of 38 remaining) [2023-08-25 05:41:59,831 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (36 of 38 remaining) [2023-08-25 05:41:59,832 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (35 of 38 remaining) [2023-08-25 05:41:59,832 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (34 of 38 remaining) [2023-08-25 05:41:59,832 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (33 of 38 remaining) [2023-08-25 05:41:59,832 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (32 of 38 remaining) [2023-08-25 05:41:59,832 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (31 of 38 remaining) [2023-08-25 05:41:59,832 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (30 of 38 remaining) [2023-08-25 05:41:59,833 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (29 of 38 remaining) [2023-08-25 05:41:59,833 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (28 of 38 remaining) [2023-08-25 05:41:59,833 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (27 of 38 remaining) [2023-08-25 05:41:59,834 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (26 of 38 remaining) [2023-08-25 05:41:59,834 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (25 of 38 remaining) [2023-08-25 05:41:59,834 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (24 of 38 remaining) [2023-08-25 05:41:59,834 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (23 of 38 remaining) [2023-08-25 05:41:59,835 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (22 of 38 remaining) [2023-08-25 05:41:59,835 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (21 of 38 remaining) [2023-08-25 05:41:59,835 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (20 of 38 remaining) [2023-08-25 05:41:59,835 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (19 of 38 remaining) [2023-08-25 05:41:59,835 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (18 of 38 remaining) [2023-08-25 05:41:59,835 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (17 of 38 remaining) [2023-08-25 05:41:59,839 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (16 of 38 remaining) [2023-08-25 05:41:59,839 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONASSERT (15 of 38 remaining) [2023-08-25 05:41:59,839 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (14 of 38 remaining) [2023-08-25 05:41:59,842 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (13 of 38 remaining) [2023-08-25 05:41:59,842 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 38 remaining) [2023-08-25 05:41:59,842 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (11 of 38 remaining) [2023-08-25 05:41:59,843 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (10 of 38 remaining) [2023-08-25 05:41:59,844 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (9 of 38 remaining) [2023-08-25 05:41:59,844 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (8 of 38 remaining) [2023-08-25 05:41:59,844 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (7 of 38 remaining) [2023-08-25 05:41:59,844 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (6 of 38 remaining) [2023-08-25 05:41:59,844 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (5 of 38 remaining) [2023-08-25 05:41:59,844 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (4 of 38 remaining) [2023-08-25 05:41:59,844 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (3 of 38 remaining) [2023-08-25 05:41:59,844 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (2 of 38 remaining) [2023-08-25 05:41:59,845 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (1 of 38 remaining) [2023-08-25 05:41:59,845 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (0 of 38 remaining) [2023-08-25 05:41:59,845 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-25 05:41:59,845 INFO L445 BasicCegarLoop]: Path program histogram: [3, 1] [2023-08-25 05:41:59,850 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-25 05:41:59,850 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-25 05:41:59,853 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.08 05:41:59 BasicIcfg [2023-08-25 05:41:59,853 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-25 05:41:59,854 INFO L158 Benchmark]: Toolchain (without parser) took 7966.11ms. Allocated memory was 392.2MB in the beginning and 509.6MB in the end (delta: 117.4MB). Free memory was 367.9MB in the beginning and 289.3MB in the end (delta: 78.6MB). Peak memory consumption was 198.9MB. Max. memory is 16.0GB. [2023-08-25 05:41:59,855 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 392.2MB. Free memory was 369.6MB in the beginning and 369.4MB in the end (delta: 157.4kB). There was no memory consumed. Max. memory is 16.0GB. [2023-08-25 05:41:59,855 INFO L158 Benchmark]: CACSL2BoogieTranslator took 263.68ms. Allocated memory is still 392.2MB. Free memory was 367.9MB in the beginning and 356.4MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. [2023-08-25 05:41:59,857 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.64ms. Allocated memory is still 392.2MB. Free memory was 356.4MB in the beginning and 354.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-08-25 05:41:59,857 INFO L158 Benchmark]: Boogie Preprocessor took 33.65ms. Allocated memory is still 392.2MB. Free memory was 354.3MB in the beginning and 352.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.0GB. [2023-08-25 05:41:59,857 INFO L158 Benchmark]: RCFGBuilder took 549.00ms. Allocated memory is still 392.2MB. Free memory was 352.9MB in the beginning and 332.6MB in the end (delta: 20.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.0GB. [2023-08-25 05:41:59,858 INFO L158 Benchmark]: TraceAbstraction took 7049.61ms. Allocated memory was 392.2MB in the beginning and 509.6MB in the end (delta: 117.4MB). Free memory was 331.2MB in the beginning and 289.3MB in the end (delta: 41.9MB). Peak memory consumption was 161.1MB. Max. memory is 16.0GB. [2023-08-25 05:41:59,860 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 392.2MB. Free memory was 369.6MB in the beginning and 369.4MB in the end (delta: 157.4kB). There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 263.68ms. Allocated memory is still 392.2MB. Free memory was 367.9MB in the beginning and 356.4MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 61.64ms. Allocated memory is still 392.2MB. Free memory was 356.4MB in the beginning and 354.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 33.65ms. Allocated memory is still 392.2MB. Free memory was 354.3MB in the beginning and 352.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.0GB. * RCFGBuilder took 549.00ms. Allocated memory is still 392.2MB. Free memory was 352.9MB in the beginning and 332.6MB in the end (delta: 20.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.0GB. * TraceAbstraction took 7049.61ms. Allocated memory was 392.2MB in the beginning and 509.6MB in the end (delta: 117.4MB). Free memory was 331.2MB in the beginning and 289.3MB in the end (delta: 41.9MB). Peak memory consumption was 161.1MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4.6s, 166 PlacesBefore, 48 PlacesAfterwards, 158 TransitionsBefore, 38 TransitionsAfterwards, 3312 CoEnabledTransitionPairs, 9 FixpointIterations, 93 TrivialSequentialCompositions, 90 ConcurrentSequentialCompositions, 6 TrivialYvCompositions, 0 ConcurrentYvCompositions, 2 ChoiceCompositions, 191 TotalNumberOfCompositions, 4049 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3584, independent: 3565, independent conditional: 0, independent unconditional: 3565, dependent: 19, dependent conditional: 0, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1734, independent: 1729, independent conditional: 0, independent unconditional: 1729, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3584, independent: 1836, independent conditional: 0, independent unconditional: 1836, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 1734, unknown conditional: 0, unknown unconditional: 1734] , Statistics on independence cache: Total cache size (in pairs): 79, Positive cache size: 77, Positive conditional cache size: 0, Positive unconditional cache size: 77, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 21]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 225 locations, 38 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: 6.9s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.8s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 30 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 30 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 302 IncrementalHoareTripleChecker+Invalid, 308 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 0 mSDtfsCounter, 302 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 3 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=94occurred in iteration=0, InterpolantAutomatonStates: 18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 49 NumberOfCodeBlocks, 49 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 45 ConstructedInterpolants, 0 QuantifiedInterpolants, 1245 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 23 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-25 05:41:59,880 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...