/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 --traceabstraction.order.of.the.error.locations.to.be.checked PROGRAM_FIRST -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/chl-time-symm.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-ac9dbd0-m [2023-08-26 08:58:34,848 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-08-26 08:58:34,905 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 [2023-08-26 08:58:34,912 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-08-26 08:58:34,912 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-08-26 08:58:34,933 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-26 08:58:34,934 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-26 08:58:34,934 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-26 08:58:34,935 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-26 08:58:34,935 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-08-26 08:58:34,936 INFO L153 SettingsManager]: * Use SBE=true [2023-08-26 08:58:34,936 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-26 08:58:34,936 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-26 08:58:34,937 INFO L153 SettingsManager]: * sizeof long=4 [2023-08-26 08:58:34,937 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-26 08:58:34,937 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-08-26 08:58:34,938 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-08-26 08:58:34,938 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-26 08:58:34,938 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-26 08:58:34,938 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-26 08:58:34,939 INFO L153 SettingsManager]: * sizeof long double=12 [2023-08-26 08:58:34,939 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-08-26 08:58:34,940 INFO L153 SettingsManager]: * Use constant arrays=true [2023-08-26 08:58:34,940 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-26 08:58:34,940 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-26 08:58:34,941 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-08-26 08:58:34,941 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-26 08:58:34,941 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-26 08:58:34,942 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-26 08:58:34,942 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-26 08:58:34,942 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-26 08:58:34,943 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-26 08:58:34,943 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-26 08:58:34,943 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-26 08:58:34,943 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-26 08:58:34,944 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Order of the error locations to be checked -> PROGRAM_FIRST Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true [2023-08-26 08:58:35,222 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-26 08:58:35,250 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-26 08:58:35,253 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-26 08:58:35,254 INFO L270 PluginConnector]: Initializing CDTParser... [2023-08-26 08:58:35,254 INFO L274 PluginConnector]: CDTParser initialized [2023-08-26 08:58:35,256 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-time-symm.wvr.c [2023-08-26 08:58:36,390 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-08-26 08:58:36,616 INFO L384 CDTParser]: Found 1 translation units. [2023-08-26 08:58:36,616 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-time-symm.wvr.c [2023-08-26 08:58:36,624 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3cc30b876/2ba37fee2b5344e9829292b870d787b8/FLAGa62ce144c [2023-08-26 08:58:36,646 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3cc30b876/2ba37fee2b5344e9829292b870d787b8 [2023-08-26 08:58:36,653 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-26 08:58:36,655 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-08-26 08:58:36,658 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-26 08:58:36,658 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-26 08:58:36,661 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-26 08:58:36,662 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 08:58:36" (1/1) ... [2023-08-26 08:58:36,663 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7305c426 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:58:36, skipping insertion in model container [2023-08-26 08:58:36,663 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 08:58:36" (1/1) ... [2023-08-26 08:58:36,687 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-08-26 08:58:36,877 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-26 08:58:36,887 INFO L201 MainTranslator]: Completed pre-run [2023-08-26 08:58:36,929 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-26 08:58:36,936 WARN L669 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-26 08:58:36,936 WARN L669 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-26 08:58:36,942 INFO L206 MainTranslator]: Completed translation [2023-08-26 08:58:36,943 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:58:36 WrapperNode [2023-08-26 08:58:36,943 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-26 08:58:36,944 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-26 08:58:36,944 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-26 08:58:36,944 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-26 08:58:36,953 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:58:36" (1/1) ... [2023-08-26 08:58:36,971 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:58:36" (1/1) ... [2023-08-26 08:58:37,008 INFO L138 Inliner]: procedures = 22, calls = 30, calls flagged for inlining = 10, calls inlined = 16, statements flattened = 246 [2023-08-26 08:58:37,009 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-26 08:58:37,010 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-26 08:58:37,010 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-26 08:58:37,010 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-08-26 08:58:37,019 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:58:36" (1/1) ... [2023-08-26 08:58:37,019 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:58:36" (1/1) ... [2023-08-26 08:58:37,033 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:58:36" (1/1) ... [2023-08-26 08:58:37,033 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:58:36" (1/1) ... [2023-08-26 08:58:37,053 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:58:36" (1/1) ... [2023-08-26 08:58:37,055 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:58:36" (1/1) ... [2023-08-26 08:58:37,057 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:58:36" (1/1) ... [2023-08-26 08:58:37,058 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:58:36" (1/1) ... [2023-08-26 08:58:37,060 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-26 08:58:37,061 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-26 08:58:37,061 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-08-26 08:58:37,061 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-08-26 08:58:37,069 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:58:36" (1/1) ... [2023-08-26 08:58:37,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-26 08:58:37,083 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-26 08:58:37,094 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) [2023-08-26 08:58:37,116 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 [2023-08-26 08:58:37,132 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-26 08:58:37,132 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-26 08:58:37,132 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-26 08:58:37,133 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-26 08:58:37,133 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-26 08:58:37,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-26 08:58:37,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-26 08:58:37,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-26 08:58:37,133 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-26 08:58:37,134 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-26 08:58:37,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-26 08:58:37,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-26 08:58:37,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-26 08:58:37,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-26 08:58:37,135 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-26 08:58:37,250 INFO L236 CfgBuilder]: Building ICFG [2023-08-26 08:58:37,251 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-26 08:58:37,582 INFO L277 CfgBuilder]: Performing block encoding [2023-08-26 08:58:37,991 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-26 08:58:37,991 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-26 08:58:37,993 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 08:58:37 BoogieIcfgContainer [2023-08-26 08:58:37,994 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-26 08:58:37,996 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-26 08:58:37,996 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-08-26 08:58:37,998 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-08-26 08:58:37,999 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.08 08:58:36" (1/3) ... [2023-08-26 08:58:38,000 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@668a323b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 08:58:37, skipping insertion in model container [2023-08-26 08:58:38,000 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:58:36" (2/3) ... [2023-08-26 08:58:38,000 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@668a323b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 08:58:38, skipping insertion in model container [2023-08-26 08:58:38,000 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 08:58:37" (3/3) ... [2023-08-26 08:58:38,002 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-time-symm.wvr.c [2023-08-26 08:58:38,018 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-26 08:58:38,019 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 29 error locations. [2023-08-26 08:58:38,019 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-26 08:58:38,093 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-26 08:58:38,133 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 168 places, 164 transitions, 344 flow [2023-08-26 08:58:38,218 INFO L124 PetriNetUnfolderBase]: 3/162 cut-off events. [2023-08-26 08:58:38,219 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-08-26 08:58:38,224 INFO L83 FinitePrefix]: Finished finitePrefix Result has 171 conditions, 162 events. 3/162 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 109 event pairs, 0 based on Foata normal form. 0/130 useless extension candidates. Maximal degree in co-relation 61. Up to 2 conditions per place. [2023-08-26 08:58:38,225 INFO L82 GeneralOperation]: Start removeDead. Operand has 168 places, 164 transitions, 344 flow [2023-08-26 08:58:38,232 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 157 places, 153 transitions, 318 flow [2023-08-26 08:58:38,235 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-26 08:58:38,243 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 157 places, 153 transitions, 318 flow [2023-08-26 08:58:38,245 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 157 places, 153 transitions, 318 flow [2023-08-26 08:58:38,245 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 157 places, 153 transitions, 318 flow [2023-08-26 08:58:38,273 INFO L124 PetriNetUnfolderBase]: 3/153 cut-off events. [2023-08-26 08:58:38,273 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-08-26 08:58:38,274 INFO L83 FinitePrefix]: Finished finitePrefix Result has 162 conditions, 153 events. 3/153 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 112 event pairs, 0 based on Foata normal form. 0/122 useless extension candidates. Maximal degree in co-relation 52. Up to 2 conditions per place. [2023-08-26 08:58:38,275 INFO L119 LiptonReduction]: Number of co-enabled transitions 968 [2023-08-26 08:58:43,313 INFO L134 LiptonReduction]: Checked pairs total: 1108 [2023-08-26 08:58:43,314 INFO L136 LiptonReduction]: Total number of compositions: 159 [2023-08-26 08:58:43,326 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-26 08:58:43,331 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;@25a7a266, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-26 08:58:43,331 INFO L358 AbstractCegarLoop]: Starting to check reachability of 47 error locations. [2023-08-26 08:58:43,332 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-26 08:58:43,333 INFO L124 PetriNetUnfolderBase]: 0/0 cut-off events. [2023-08-26 08:58:43,333 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-26 08:58:43,333 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 08:58:43,333 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-26 08:58:43,334 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2023-08-26 08:58:43,337 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 08:58:43,338 INFO L85 PathProgramCache]: Analyzing trace with hash 902, now seen corresponding path program 1 times [2023-08-26 08:58:43,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 08:58:43,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225990368] [2023-08-26 08:58:43,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 08:58:43,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 08:58:43,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 08:58:43,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 08:58:43,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 08:58:43,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225990368] [2023-08-26 08:58:43,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [225990368] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 08:58:43,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 08:58:43,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-26 08:58:43,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339293237] [2023-08-26 08:58:43,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 08:58:43,433 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-26 08:58:43,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 08:58:43,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-26 08:58:43,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-26 08:58:43,455 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 140 out of 323 [2023-08-26 08:58:43,457 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 39 transitions, 90 flow. Second operand has 2 states, 2 states have (on average 140.5) internal successors, (281), 2 states have internal predecessors, (281), 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) [2023-08-26 08:58:43,458 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 08:58:43,458 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 140 of 323 [2023-08-26 08:58:43,458 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 08:58:43,492 INFO L124 PetriNetUnfolderBase]: 9/28 cut-off events. [2023-08-26 08:58:43,492 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-08-26 08:58:43,492 INFO L83 FinitePrefix]: Finished finitePrefix Result has 69 conditions, 28 events. 9/28 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 31 event pairs, 9 based on Foata normal form. 0/28 useless extension candidates. Maximal degree in co-relation 40. Up to 29 conditions per place. [2023-08-26 08:58:43,493 INFO L140 encePairwiseOnDemand]: 295/323 looper letters, 11 selfloop transitions, 0 changer transitions 0/11 dead transitions. [2023-08-26 08:58:43,493 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 19 places, 11 transitions, 56 flow [2023-08-26 08:58:43,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-26 08:58:43,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-26 08:58:43,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 319 transitions. [2023-08-26 08:58:43,506 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4938080495356037 [2023-08-26 08:58:43,506 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 319 transitions. [2023-08-26 08:58:43,507 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 319 transitions. [2023-08-26 08:58:43,508 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 08:58:43,510 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 319 transitions. [2023-08-26 08:58:43,513 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 159.5) internal successors, (319), 2 states have internal predecessors, (319), 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) [2023-08-26 08:58:43,517 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 323.0) internal successors, (969), 3 states have internal predecessors, (969), 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) [2023-08-26 08:58:43,518 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 323.0) internal successors, (969), 3 states have internal predecessors, (969), 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) [2023-08-26 08:58:43,520 INFO L175 Difference]: Start difference. First operand has 46 places, 39 transitions, 90 flow. Second operand 2 states and 319 transitions. [2023-08-26 08:58:43,520 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 19 places, 11 transitions, 56 flow [2023-08-26 08:58:43,523 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 15 places, 11 transitions, 48 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-26 08:58:43,524 INFO L231 Difference]: Finished difference. Result has 15 places, 11 transitions, 26 flow [2023-08-26 08:58:43,525 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=323, PETRI_DIFFERENCE_MINUEND_FLOW=26, PETRI_DIFFERENCE_MINUEND_PLACES=14, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=11, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=11, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=26, PETRI_PLACES=15, PETRI_TRANSITIONS=11} [2023-08-26 08:58:43,528 INFO L281 CegarLoopForPetriNet]: 46 programPoint places, -31 predicate places. [2023-08-26 08:58:43,529 INFO L495 AbstractCegarLoop]: Abstraction has has 15 places, 11 transitions, 26 flow [2023-08-26 08:58:43,529 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 140.5) internal successors, (281), 2 states have internal predecessors, (281), 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) [2023-08-26 08:58:43,529 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 08:58:43,529 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-26 08:58:43,529 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-26 08:58:43,531 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2023-08-26 08:58:43,535 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 08:58:43,537 INFO L85 PathProgramCache]: Analyzing trace with hash -867795009, now seen corresponding path program 1 times [2023-08-26 08:58:43,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 08:58:43,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688774410] [2023-08-26 08:58:43,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 08:58:43,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 08:58:43,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 08:58:44,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 08:58:44,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 08:58:44,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688774410] [2023-08-26 08:58:44,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [688774410] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 08:58:44,721 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 08:58:44,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-26 08:58:44,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714229730] [2023-08-26 08:58:44,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 08:58:44,723 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-26 08:58:44,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 08:58:44,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-26 08:58:44,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-08-26 08:58:44,726 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 122 out of 323 [2023-08-26 08:58:44,727 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 15 places, 11 transitions, 26 flow. Second operand has 4 states, 4 states have (on average 124.75) internal successors, (499), 4 states have internal predecessors, (499), 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) [2023-08-26 08:58:44,727 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 08:58:44,727 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 122 of 323 [2023-08-26 08:58:44,727 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 08:58:44,837 INFO L124 PetriNetUnfolderBase]: 8/32 cut-off events. [2023-08-26 08:58:44,837 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-08-26 08:58:44,837 INFO L83 FinitePrefix]: Finished finitePrefix Result has 70 conditions, 32 events. 8/32 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 58 event pairs, 1 based on Foata normal form. 1/33 useless extension candidates. Maximal degree in co-relation 67. Up to 16 conditions per place. [2023-08-26 08:58:44,838 INFO L140 encePairwiseOnDemand]: 320/323 looper letters, 11 selfloop transitions, 1 changer transitions 7/19 dead transitions. [2023-08-26 08:58:44,838 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 18 places, 19 transitions, 83 flow [2023-08-26 08:58:44,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-08-26 08:58:44,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-08-26 08:58:44,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 508 transitions. [2023-08-26 08:58:44,844 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3931888544891641 [2023-08-26 08:58:44,844 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 508 transitions. [2023-08-26 08:58:44,844 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 508 transitions. [2023-08-26 08:58:44,845 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 08:58:44,845 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 508 transitions. [2023-08-26 08:58:44,848 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 127.0) internal successors, (508), 4 states have internal predecessors, (508), 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) [2023-08-26 08:58:44,852 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 323.0) internal successors, (1615), 5 states have internal predecessors, (1615), 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) [2023-08-26 08:58:44,853 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 323.0) internal successors, (1615), 5 states have internal predecessors, (1615), 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) [2023-08-26 08:58:44,853 INFO L175 Difference]: Start difference. First operand has 15 places, 11 transitions, 26 flow. Second operand 4 states and 508 transitions. [2023-08-26 08:58:44,853 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 18 places, 19 transitions, 83 flow [2023-08-26 08:58:44,853 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 18 places, 19 transitions, 83 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-26 08:58:44,854 INFO L231 Difference]: Finished difference. Result has 20 places, 11 transitions, 33 flow [2023-08-26 08:58:44,854 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=323, PETRI_DIFFERENCE_MINUEND_FLOW=26, PETRI_DIFFERENCE_MINUEND_PLACES=15, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=11, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=10, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=33, PETRI_PLACES=20, PETRI_TRANSITIONS=11} [2023-08-26 08:58:44,855 INFO L281 CegarLoopForPetriNet]: 46 programPoint places, -26 predicate places. [2023-08-26 08:58:44,856 INFO L495 AbstractCegarLoop]: Abstraction has has 20 places, 11 transitions, 33 flow [2023-08-26 08:58:44,856 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 124.75) internal successors, (499), 4 states have internal predecessors, (499), 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) [2023-08-26 08:58:44,857 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 08:58:44,857 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-26 08:58:44,859 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-26 08:58:44,860 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2023-08-26 08:58:44,862 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 08:58:44,863 INFO L85 PathProgramCache]: Analyzing trace with hash 1610128107, now seen corresponding path program 2 times [2023-08-26 08:58:44,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 08:58:44,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290164276] [2023-08-26 08:58:44,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 08:58:44,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 08:58:44,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 08:58:45,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 08:58:45,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 08:58:45,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290164276] [2023-08-26 08:58:45,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1290164276] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 08:58:45,472 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 08:58:45,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-26 08:58:45,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382630145] [2023-08-26 08:58:45,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 08:58:45,472 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-26 08:58:45,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 08:58:45,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-26 08:58:45,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-08-26 08:58:45,474 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 122 out of 323 [2023-08-26 08:58:45,475 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 20 places, 11 transitions, 33 flow. Second operand has 4 states, 4 states have (on average 124.75) internal successors, (499), 4 states have internal predecessors, (499), 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) [2023-08-26 08:58:45,475 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 08:58:45,475 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 122 of 323 [2023-08-26 08:58:45,475 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 08:58:45,544 INFO L124 PetriNetUnfolderBase]: 5/23 cut-off events. [2023-08-26 08:58:45,544 INFO L125 PetriNetUnfolderBase]: For 13/13 co-relation queries the response was YES. [2023-08-26 08:58:45,545 INFO L83 FinitePrefix]: Finished finitePrefix Result has 63 conditions, 23 events. 5/23 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 24 event pairs, 3 based on Foata normal form. 1/24 useless extension candidates. Maximal degree in co-relation 57. Up to 15 conditions per place. [2023-08-26 08:58:45,545 INFO L140 encePairwiseOnDemand]: 320/323 looper letters, 0 selfloop transitions, 0 changer transitions 15/15 dead transitions. [2023-08-26 08:58:45,545 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 21 places, 15 transitions, 73 flow [2023-08-26 08:58:45,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-08-26 08:58:45,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-08-26 08:58:45,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 504 transitions. [2023-08-26 08:58:45,547 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.39009287925696595 [2023-08-26 08:58:45,547 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 504 transitions. [2023-08-26 08:58:45,547 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 504 transitions. [2023-08-26 08:58:45,547 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 08:58:45,547 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 504 transitions. [2023-08-26 08:58:45,549 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 126.0) internal successors, (504), 4 states have internal predecessors, (504), 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) [2023-08-26 08:58:45,551 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 323.0) internal successors, (1615), 5 states have internal predecessors, (1615), 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) [2023-08-26 08:58:45,551 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 323.0) internal successors, (1615), 5 states have internal predecessors, (1615), 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) [2023-08-26 08:58:45,552 INFO L175 Difference]: Start difference. First operand has 20 places, 11 transitions, 33 flow. Second operand 4 states and 504 transitions. [2023-08-26 08:58:45,552 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 21 places, 15 transitions, 73 flow [2023-08-26 08:58:45,552 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 20 places, 15 transitions, 71 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-26 08:58:45,552 INFO L231 Difference]: Finished difference. Result has 20 places, 0 transitions, 0 flow [2023-08-26 08:58:45,552 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=323, PETRI_DIFFERENCE_MINUEND_FLOW=28, PETRI_DIFFERENCE_MINUEND_PLACES=17, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=10, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=10, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=0, PETRI_PLACES=20, PETRI_TRANSITIONS=0} [2023-08-26 08:58:45,553 INFO L281 CegarLoopForPetriNet]: 46 programPoint places, -26 predicate places. [2023-08-26 08:58:45,553 INFO L495 AbstractCegarLoop]: Abstraction has has 20 places, 0 transitions, 0 flow [2023-08-26 08:58:45,554 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 124.75) internal successors, (499), 4 states have internal predecessors, (499), 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) [2023-08-26 08:58:45,556 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (46 of 47 remaining) [2023-08-26 08:58:45,556 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (45 of 47 remaining) [2023-08-26 08:58:45,556 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (44 of 47 remaining) [2023-08-26 08:58:45,556 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (43 of 47 remaining) [2023-08-26 08:58:45,557 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (42 of 47 remaining) [2023-08-26 08:58:45,557 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (41 of 47 remaining) [2023-08-26 08:58:45,557 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (40 of 47 remaining) [2023-08-26 08:58:45,557 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (39 of 47 remaining) [2023-08-26 08:58:45,557 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (38 of 47 remaining) [2023-08-26 08:58:45,557 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (37 of 47 remaining) [2023-08-26 08:58:45,558 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (36 of 47 remaining) [2023-08-26 08:58:45,558 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (35 of 47 remaining) [2023-08-26 08:58:45,558 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (34 of 47 remaining) [2023-08-26 08:58:45,558 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (33 of 47 remaining) [2023-08-26 08:58:45,558 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (32 of 47 remaining) [2023-08-26 08:58:45,558 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (31 of 47 remaining) [2023-08-26 08:58:45,558 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (30 of 47 remaining) [2023-08-26 08:58:45,558 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (29 of 47 remaining) [2023-08-26 08:58:45,559 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (28 of 47 remaining) [2023-08-26 08:58:45,559 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (27 of 47 remaining) [2023-08-26 08:58:45,559 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (26 of 47 remaining) [2023-08-26 08:58:45,559 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (25 of 47 remaining) [2023-08-26 08:58:45,559 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (24 of 47 remaining) [2023-08-26 08:58:45,559 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (23 of 47 remaining) [2023-08-26 08:58:45,560 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (22 of 47 remaining) [2023-08-26 08:58:45,560 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (21 of 47 remaining) [2023-08-26 08:58:45,560 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (20 of 47 remaining) [2023-08-26 08:58:45,560 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (19 of 47 remaining) [2023-08-26 08:58:45,560 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONASSERT (18 of 47 remaining) [2023-08-26 08:58:45,560 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (17 of 47 remaining) [2023-08-26 08:58:45,560 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (16 of 47 remaining) [2023-08-26 08:58:45,561 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (15 of 47 remaining) [2023-08-26 08:58:45,561 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (14 of 47 remaining) [2023-08-26 08:58:45,561 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (13 of 47 remaining) [2023-08-26 08:58:45,561 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (12 of 47 remaining) [2023-08-26 08:58:45,561 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (11 of 47 remaining) [2023-08-26 08:58:45,561 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (10 of 47 remaining) [2023-08-26 08:58:45,562 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (9 of 47 remaining) [2023-08-26 08:58:45,562 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (8 of 47 remaining) [2023-08-26 08:58:45,562 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (7 of 47 remaining) [2023-08-26 08:58:45,562 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (6 of 47 remaining) [2023-08-26 08:58:45,562 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (5 of 47 remaining) [2023-08-26 08:58:45,562 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (4 of 47 remaining) [2023-08-26 08:58:45,562 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (3 of 47 remaining) [2023-08-26 08:58:45,563 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (2 of 47 remaining) [2023-08-26 08:58:45,563 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (1 of 47 remaining) [2023-08-26 08:58:45,563 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (0 of 47 remaining) [2023-08-26 08:58:45,563 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-26 08:58:45,563 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1] [2023-08-26 08:58:45,568 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-26 08:58:45,568 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-26 08:58:45,571 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.08 08:58:45 BasicIcfg [2023-08-26 08:58:45,571 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-26 08:58:45,571 INFO L158 Benchmark]: Toolchain (without parser) took 8916.40ms. Allocated memory was 360.7MB in the beginning and 499.1MB in the end (delta: 138.4MB). Free memory was 336.2MB in the beginning and 211.9MB in the end (delta: 124.4MB). Peak memory consumption was 265.7MB. Max. memory is 16.0GB. [2023-08-26 08:58:45,572 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 360.7MB. Free memory was 338.4MB in the beginning and 338.2MB in the end (delta: 157.4kB). There was no memory consumed. Max. memory is 16.0GB. [2023-08-26 08:58:45,572 INFO L158 Benchmark]: CACSL2BoogieTranslator took 285.60ms. Allocated memory is still 360.7MB. Free memory was 336.2MB in the beginning and 324.8MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. [2023-08-26 08:58:45,572 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.17ms. Allocated memory is still 360.7MB. Free memory was 324.1MB in the beginning and 322.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-08-26 08:58:45,573 INFO L158 Benchmark]: Boogie Preprocessor took 50.73ms. Allocated memory is still 360.7MB. Free memory was 322.0MB in the beginning and 319.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-08-26 08:58:45,573 INFO L158 Benchmark]: RCFGBuilder took 932.78ms. Allocated memory was 360.7MB in the beginning and 499.1MB in the end (delta: 138.4MB). Free memory was 319.9MB in the beginning and 462.7MB in the end (delta: -142.8MB). Peak memory consumption was 70.4MB. Max. memory is 16.0GB. [2023-08-26 08:58:45,573 INFO L158 Benchmark]: TraceAbstraction took 7575.21ms. Allocated memory is still 499.1MB. Free memory was 461.7MB in the beginning and 211.9MB in the end (delta: 249.8MB). Peak memory consumption was 249.8MB. Max. memory is 16.0GB. [2023-08-26 08:58:45,575 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 360.7MB. Free memory was 338.4MB in the beginning and 338.2MB in the end (delta: 157.4kB). There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 285.60ms. Allocated memory is still 360.7MB. Free memory was 336.2MB in the beginning and 324.8MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 65.17ms. Allocated memory is still 360.7MB. Free memory was 324.1MB in the beginning and 322.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 50.73ms. Allocated memory is still 360.7MB. Free memory was 322.0MB in the beginning and 319.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 932.78ms. Allocated memory was 360.7MB in the beginning and 499.1MB in the end (delta: 138.4MB). Free memory was 319.9MB in the beginning and 462.7MB in the end (delta: -142.8MB). Peak memory consumption was 70.4MB. Max. memory is 16.0GB. * TraceAbstraction took 7575.21ms. Allocated memory is still 499.1MB. Free memory was 461.7MB in the beginning and 211.9MB in the end (delta: 249.8MB). Peak memory consumption was 249.8MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5.1s, 157 PlacesBefore, 46 PlacesAfterwards, 153 TransitionsBefore, 39 TransitionsAfterwards, 968 CoEnabledTransitionPairs, 8 FixpointIterations, 122 TrivialSequentialCompositions, 25 ConcurrentSequentialCompositions, 9 TrivialYvCompositions, 0 ConcurrentYvCompositions, 3 ChoiceCompositions, 159 TotalNumberOfCompositions, 1108 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 903, independent: 886, independent conditional: 0, independent unconditional: 886, dependent: 17, dependent conditional: 0, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 386, independent: 381, independent conditional: 0, independent unconditional: 381, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 903, independent: 505, independent conditional: 0, independent unconditional: 505, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 386, unknown conditional: 0, unknown unconditional: 386] , Statistics on independence cache: Total cache size (in pairs): 49, Positive cache size: 47, Positive conditional cache size: 0, Positive unconditional cache size: 47, 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: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 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: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: 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: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: 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: 79]: 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: 79]: 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: 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 5 procedures, 188 locations, 47 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: 7.4s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 5.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 83 IncrementalHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 0 mSDtfsCounter, 83 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=90occurred in iteration=0, InterpolantAutomatonStates: 10, 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, 0.2s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 471 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 29 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-26 08:58:45,594 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...