/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 INSUFFICIENT_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-subst.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-ac9dbd0-m [2023-08-25 19:22:05,311 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-08-25 19:22:05,374 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 19:22:05,379 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-08-25 19:22:05,380 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-08-25 19:22:05,402 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-25 19:22:05,403 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-25 19:22:05,403 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-25 19:22:05,404 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-25 19:22:05,406 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-08-25 19:22:05,407 INFO L153 SettingsManager]: * Use SBE=true [2023-08-25 19:22:05,407 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-25 19:22:05,407 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-25 19:22:05,408 INFO L153 SettingsManager]: * sizeof long=4 [2023-08-25 19:22:05,408 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-25 19:22:05,408 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-08-25 19:22:05,408 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-08-25 19:22:05,409 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-25 19:22:05,409 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-25 19:22:05,409 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-25 19:22:05,409 INFO L153 SettingsManager]: * sizeof long double=12 [2023-08-25 19:22:05,410 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-08-25 19:22:05,410 INFO L153 SettingsManager]: * Use constant arrays=true [2023-08-25 19:22:05,410 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-25 19:22:05,410 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-25 19:22:05,410 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-08-25 19:22:05,411 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-25 19:22:05,411 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 19:22:05,411 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-25 19:22:05,411 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-25 19:22:05,412 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-25 19:22:05,412 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-25 19:22:05,412 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-25 19:22:05,412 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-25 19:22:05,412 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-25 19:22:05,413 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Order of the error locations to be checked -> INSUFFICIENT_FIRST Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true [2023-08-25 19:22:05,653 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-25 19:22:05,665 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-25 19:22:05,667 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-25 19:22:05,667 INFO L270 PluginConnector]: Initializing CDTParser... [2023-08-25 19:22:05,669 INFO L274 PluginConnector]: CDTParser initialized [2023-08-25 19:22:05,669 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-time-subst.wvr.c [2023-08-25 19:22:06,601 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-08-25 19:22:06,793 INFO L384 CDTParser]: Found 1 translation units. [2023-08-25 19:22:06,794 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-time-subst.wvr.c [2023-08-25 19:22:06,801 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4fbaf1dd8/c6915b3ffbc140199a4c6aca5f66ad20/FLAG8ab450435 [2023-08-25 19:22:06,813 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4fbaf1dd8/c6915b3ffbc140199a4c6aca5f66ad20 [2023-08-25 19:22:06,817 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-25 19:22:06,818 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-08-25 19:22:06,820 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-25 19:22:06,820 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-25 19:22:06,822 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-25 19:22:06,823 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 07:22:06" (1/1) ... [2023-08-25 19:22:06,823 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17b6807a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 07:22:06, skipping insertion in model container [2023-08-25 19:22:06,823 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 07:22:06" (1/1) ... [2023-08-25 19:22:06,841 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-08-25 19:22:06,987 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 19:22:06,995 INFO L201 MainTranslator]: Completed pre-run [2023-08-25 19:22:07,026 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 19:22:07,031 WARN L669 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-25 19:22:07,031 WARN L669 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-25 19:22:07,035 INFO L206 MainTranslator]: Completed translation [2023-08-25 19:22:07,036 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 07:22:07 WrapperNode [2023-08-25 19:22:07,036 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-25 19:22:07,036 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-25 19:22:07,037 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-25 19:22:07,037 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-25 19:22:07,041 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 07:22:07" (1/1) ... [2023-08-25 19:22:07,062 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 07:22:07" (1/1) ... [2023-08-25 19:22:07,093 INFO L138 Inliner]: procedures = 23, calls = 40, calls flagged for inlining = 12, calls inlined = 22, statements flattened = 354 [2023-08-25 19:22:07,093 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-25 19:22:07,093 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-25 19:22:07,093 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-25 19:22:07,094 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-08-25 19:22:07,100 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 07:22:07" (1/1) ... [2023-08-25 19:22:07,100 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 07:22:07" (1/1) ... [2023-08-25 19:22:07,102 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 07:22:07" (1/1) ... [2023-08-25 19:22:07,102 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 07:22:07" (1/1) ... [2023-08-25 19:22:07,108 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 07:22:07" (1/1) ... [2023-08-25 19:22:07,109 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 07:22:07" (1/1) ... [2023-08-25 19:22:07,110 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 07:22:07" (1/1) ... [2023-08-25 19:22:07,111 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 07:22:07" (1/1) ... [2023-08-25 19:22:07,113 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-25 19:22:07,114 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-25 19:22:07,114 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-08-25 19:22:07,114 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-08-25 19:22:07,114 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 07:22:07" (1/1) ... [2023-08-25 19:22:07,118 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 19:22:07,127 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-25 19:22:07,136 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 19:22:07,142 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 19:22:07,162 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-25 19:22:07,162 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-25 19:22:07,162 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-25 19:22:07,163 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-25 19:22:07,163 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-25 19:22:07,163 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-08-25 19:22:07,163 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-08-25 19:22:07,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-25 19:22:07,164 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-25 19:22:07,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-25 19:22:07,164 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-25 19:22:07,164 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-25 19:22:07,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-25 19:22:07,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-25 19:22:07,164 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-25 19:22:07,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-25 19:22:07,166 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 19:22:07,241 INFO L236 CfgBuilder]: Building ICFG [2023-08-25 19:22:07,242 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-25 19:22:07,565 INFO L277 CfgBuilder]: Performing block encoding [2023-08-25 19:22:07,809 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-25 19:22:07,809 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-25 19:22:07,811 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 07:22:07 BoogieIcfgContainer [2023-08-25 19:22:07,811 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-25 19:22:07,827 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-25 19:22:07,827 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-08-25 19:22:07,829 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-08-25 19:22:07,829 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.08 07:22:06" (1/3) ... [2023-08-25 19:22:07,830 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b3c8f0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 07:22:07, skipping insertion in model container [2023-08-25 19:22:07,830 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 07:22:07" (2/3) ... [2023-08-25 19:22:07,830 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b3c8f0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 07:22:07, skipping insertion in model container [2023-08-25 19:22:07,830 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 07:22:07" (3/3) ... [2023-08-25 19:22:07,831 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-time-subst.wvr.c [2023-08-25 19:22:07,843 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-25 19:22:07,843 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 42 error locations. [2023-08-25 19:22:07,844 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-25 19:22:07,902 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-08-25 19:22:07,934 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 234 places, 227 transitions, 478 flow [2023-08-25 19:22:08,015 INFO L124 PetriNetUnfolderBase]: 3/224 cut-off events. [2023-08-25 19:22:08,016 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-08-25 19:22:08,019 INFO L83 FinitePrefix]: Finished finitePrefix Result has 237 conditions, 224 events. 3/224 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 209 event pairs, 0 based on Foata normal form. 0/179 useless extension candidates. Maximal degree in co-relation 87. Up to 2 conditions per place. [2023-08-25 19:22:08,019 INFO L82 GeneralOperation]: Start removeDead. Operand has 234 places, 227 transitions, 478 flow [2023-08-25 19:22:08,026 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 220 places, 213 transitions, 444 flow [2023-08-25 19:22:08,029 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-25 19:22:08,037 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 220 places, 213 transitions, 444 flow [2023-08-25 19:22:08,039 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 220 places, 213 transitions, 444 flow [2023-08-25 19:22:08,040 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 220 places, 213 transitions, 444 flow [2023-08-25 19:22:08,089 INFO L124 PetriNetUnfolderBase]: 3/213 cut-off events. [2023-08-25 19:22:08,090 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-08-25 19:22:08,091 INFO L83 FinitePrefix]: Finished finitePrefix Result has 226 conditions, 213 events. 3/213 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 193 event pairs, 0 based on Foata normal form. 0/169 useless extension candidates. Maximal degree in co-relation 76. Up to 2 conditions per place. [2023-08-25 19:22:08,093 INFO L119 LiptonReduction]: Number of co-enabled transitions 2310 [2023-08-25 19:22:14,281 INFO L134 LiptonReduction]: Checked pairs total: 2662 [2023-08-25 19:22:14,281 INFO L136 LiptonReduction]: Total number of compositions: 226 [2023-08-25 19:22:14,289 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-25 19:22:14,293 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;@4b70d3b9, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-25 19:22:14,293 INFO L358 AbstractCegarLoop]: Starting to check reachability of 69 error locations. [2023-08-25 19:22:14,294 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-25 19:22:14,294 INFO L124 PetriNetUnfolderBase]: 0/0 cut-off events. [2023-08-25 19:22:14,294 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 19:22:14,294 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 19:22:14,295 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-25 19:22:14,295 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2023-08-25 19:22:14,298 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 19:22:14,298 INFO L85 PathProgramCache]: Analyzing trace with hash 1282, now seen corresponding path program 1 times [2023-08-25 19:22:14,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 19:22:14,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971010313] [2023-08-25 19:22:14,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 19:22:14,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 19:22:14,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 19:22:14,369 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 19:22:14,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 19:22:14,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971010313] [2023-08-25 19:22:14,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1971010313] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 19:22:14,370 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 19:22:14,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-25 19:22:14,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825919687] [2023-08-25 19:22:14,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 19:22:14,376 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-25 19:22:14,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 19:22:14,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-25 19:22:14,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-25 19:22:14,397 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 192 out of 453 [2023-08-25 19:22:14,399 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 57 transitions, 132 flow. Second operand has 2 states, 2 states have (on average 192.5) internal successors, (385), 2 states have internal predecessors, (385), 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 19:22:14,399 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 19:22:14,399 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 192 of 453 [2023-08-25 19:22:14,400 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 19:22:14,439 INFO L124 PetriNetUnfolderBase]: 37/80 cut-off events. [2023-08-25 19:22:14,439 INFO L125 PetriNetUnfolderBase]: For 13/13 co-relation queries the response was YES. [2023-08-25 19:22:14,440 INFO L83 FinitePrefix]: Finished finitePrefix Result has 186 conditions, 80 events. 37/80 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 151 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 19:22:14,441 INFO L140 encePairwiseOnDemand]: 412/453 looper letters, 16 selfloop transitions, 0 changer transitions 0/16 dead transitions. [2023-08-25 19:22:14,441 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 27 places, 16 transitions, 82 flow [2023-08-25 19:22:14,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-25 19:22:14,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-25 19:22:14,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 441 transitions. [2023-08-25 19:22:14,450 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4867549668874172 [2023-08-25 19:22:14,450 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 441 transitions. [2023-08-25 19:22:14,451 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 441 transitions. [2023-08-25 19:22:14,452 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 19:22:14,453 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 441 transitions. [2023-08-25 19:22:14,456 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 220.5) internal successors, (441), 2 states have internal predecessors, (441), 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 19:22:14,459 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 453.0) internal successors, (1359), 3 states have internal predecessors, (1359), 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 19:22:14,459 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 453.0) internal successors, (1359), 3 states have internal predecessors, (1359), 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 19:22:14,461 INFO L175 Difference]: Start difference. First operand has 67 places, 57 transitions, 132 flow. Second operand 2 states and 441 transitions. [2023-08-25 19:22:14,461 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 27 places, 16 transitions, 82 flow [2023-08-25 19:22:14,463 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 19:22:14,463 INFO L231 Difference]: Finished difference. Result has 21 places, 16 transitions, 38 flow [2023-08-25 19:22:14,464 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=453, 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 19:22:14,466 INFO L281 CegarLoopForPetriNet]: 67 programPoint places, -46 predicate places. [2023-08-25 19:22:14,467 INFO L495 AbstractCegarLoop]: Abstraction has has 21 places, 16 transitions, 38 flow [2023-08-25 19:22:14,467 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 192.5) internal successors, (385), 2 states have internal predecessors, (385), 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 19:22:14,467 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 19:22:14,467 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 19:22:14,467 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-25 19:22:14,468 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2023-08-25 19:22:14,468 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 19:22:14,468 INFO L85 PathProgramCache]: Analyzing trace with hash 334078543, now seen corresponding path program 1 times [2023-08-25 19:22:14,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 19:22:14,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651354419] [2023-08-25 19:22:14,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 19:22:14,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 19:22:14,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 19:22:15,859 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 19:22:15,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 19:22:15,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651354419] [2023-08-25 19:22:15,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1651354419] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 19:22:15,860 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 19:22:15,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-08-25 19:22:15,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992119054] [2023-08-25 19:22:15,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 19:22:15,861 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-08-25 19:22:15,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 19:22:15,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-08-25 19:22:15,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-08-25 19:22:15,863 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 171 out of 453 [2023-08-25 19:22:15,864 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 21 places, 16 transitions, 38 flow. Second operand has 5 states, 5 states have (on average 174.2) internal successors, (871), 5 states have internal predecessors, (871), 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 19:22:15,864 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 19:22:15,864 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 171 of 453 [2023-08-25 19:22:15,864 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 19:22:16,080 INFO L124 PetriNetUnfolderBase]: 40/106 cut-off events. [2023-08-25 19:22:16,080 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2023-08-25 19:22:16,080 INFO L83 FinitePrefix]: Finished finitePrefix Result has 223 conditions, 106 events. 40/106 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 342 event pairs, 7 based on Foata normal form. 1/107 useless extension candidates. Maximal degree in co-relation 220. Up to 48 conditions per place. [2023-08-25 19:22:16,081 INFO L140 encePairwiseOnDemand]: 449/453 looper letters, 28 selfloop transitions, 2 changer transitions 9/39 dead transitions. [2023-08-25 19:22:16,081 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 25 places, 39 transitions, 171 flow [2023-08-25 19:22:16,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-25 19:22:16,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-25 19:22:16,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 895 transitions. [2023-08-25 19:22:16,083 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.39514348785871967 [2023-08-25 19:22:16,083 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 895 transitions. [2023-08-25 19:22:16,084 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 895 transitions. [2023-08-25 19:22:16,084 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 19:22:16,084 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 895 transitions. [2023-08-25 19:22:16,085 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 179.0) internal successors, (895), 5 states have internal predecessors, (895), 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 19:22:16,088 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 453.0) internal successors, (2718), 6 states have internal predecessors, (2718), 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 19:22:16,089 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 453.0) internal successors, (2718), 6 states have internal predecessors, (2718), 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 19:22:16,089 INFO L175 Difference]: Start difference. First operand has 21 places, 16 transitions, 38 flow. Second operand 5 states and 895 transitions. [2023-08-25 19:22:16,089 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 25 places, 39 transitions, 171 flow [2023-08-25 19:22:16,090 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 25 places, 39 transitions, 171 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-25 19:22:16,090 INFO L231 Difference]: Finished difference. Result has 28 places, 17 transitions, 53 flow [2023-08-25 19:22:16,091 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=453, PETRI_DIFFERENCE_MINUEND_FLOW=38, PETRI_DIFFERENCE_MINUEND_PLACES=21, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=16, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=53, PETRI_PLACES=28, PETRI_TRANSITIONS=17} [2023-08-25 19:22:16,091 INFO L281 CegarLoopForPetriNet]: 67 programPoint places, -39 predicate places. [2023-08-25 19:22:16,091 INFO L495 AbstractCegarLoop]: Abstraction has has 28 places, 17 transitions, 53 flow [2023-08-25 19:22:16,092 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 174.2) internal successors, (871), 5 states have internal predecessors, (871), 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 19:22:16,092 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 19:22:16,092 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 19:22:16,092 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-25 19:22:16,092 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2023-08-25 19:22:16,092 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 19:22:16,093 INFO L85 PathProgramCache]: Analyzing trace with hash -669436773, now seen corresponding path program 2 times [2023-08-25 19:22:16,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 19:22:16,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973667821] [2023-08-25 19:22:16,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 19:22:16,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 19:22:16,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 19:22:17,268 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 19:22:17,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 19:22:17,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973667821] [2023-08-25 19:22:17,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [973667821] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 19:22:17,270 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 19:22:17,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-08-25 19:22:17,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284923118] [2023-08-25 19:22:17,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 19:22:17,270 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-08-25 19:22:17,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 19:22:17,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-08-25 19:22:17,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-08-25 19:22:17,271 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 171 out of 453 [2023-08-25 19:22:17,272 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 28 places, 17 transitions, 53 flow. Second operand has 5 states, 5 states have (on average 174.2) internal successors, (871), 5 states have internal predecessors, (871), 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 19:22:17,272 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 19:22:17,272 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 171 of 453 [2023-08-25 19:22:17,273 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 19:22:17,461 INFO L124 PetriNetUnfolderBase]: 34/110 cut-off events. [2023-08-25 19:22:17,462 INFO L125 PetriNetUnfolderBase]: For 81/81 co-relation queries the response was YES. [2023-08-25 19:22:17,462 INFO L83 FinitePrefix]: Finished finitePrefix Result has 294 conditions, 110 events. 34/110 cut-off events. For 81/81 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 373 event pairs, 11 based on Foata normal form. 1/111 useless extension candidates. Maximal degree in co-relation 287. Up to 54 conditions per place. [2023-08-25 19:22:17,462 INFO L140 encePairwiseOnDemand]: 449/453 looper letters, 28 selfloop transitions, 3 changer transitions 7/38 dead transitions. [2023-08-25 19:22:17,463 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 38 transitions, 189 flow [2023-08-25 19:22:17,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-25 19:22:17,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-25 19:22:17,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 893 transitions. [2023-08-25 19:22:17,465 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.39426048565121413 [2023-08-25 19:22:17,465 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 893 transitions. [2023-08-25 19:22:17,466 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 893 transitions. [2023-08-25 19:22:17,466 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 19:22:17,466 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 893 transitions. [2023-08-25 19:22:17,467 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 178.6) internal successors, (893), 5 states have internal predecessors, (893), 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 19:22:17,470 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 453.0) internal successors, (2718), 6 states have internal predecessors, (2718), 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 19:22:17,471 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 453.0) internal successors, (2718), 6 states have internal predecessors, (2718), 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 19:22:17,471 INFO L175 Difference]: Start difference. First operand has 28 places, 17 transitions, 53 flow. Second operand 5 states and 893 transitions. [2023-08-25 19:22:17,471 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 38 transitions, 189 flow [2023-08-25 19:22:17,472 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 29 places, 38 transitions, 182 flow, removed 2 selfloop flow, removed 2 redundant places. [2023-08-25 19:22:17,473 INFO L231 Difference]: Finished difference. Result has 32 places, 18 transitions, 70 flow [2023-08-25 19:22:17,473 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=453, PETRI_DIFFERENCE_MINUEND_FLOW=50, PETRI_DIFFERENCE_MINUEND_PLACES=25, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=17, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=70, PETRI_PLACES=32, PETRI_TRANSITIONS=18} [2023-08-25 19:22:17,474 INFO L281 CegarLoopForPetriNet]: 67 programPoint places, -35 predicate places. [2023-08-25 19:22:17,474 INFO L495 AbstractCegarLoop]: Abstraction has has 32 places, 18 transitions, 70 flow [2023-08-25 19:22:17,475 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 174.2) internal successors, (871), 5 states have internal predecessors, (871), 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 19:22:17,475 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 19:22:17,475 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 19:22:17,475 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-25 19:22:17,477 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2023-08-25 19:22:17,478 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 19:22:17,478 INFO L85 PathProgramCache]: Analyzing trace with hash -1429442521, now seen corresponding path program 3 times [2023-08-25 19:22:17,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 19:22:17,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194890380] [2023-08-25 19:22:17,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 19:22:17,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 19:22:17,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 19:22:18,388 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 19:22:18,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 19:22:18,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194890380] [2023-08-25 19:22:18,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [194890380] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 19:22:18,388 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 19:22:18,389 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-08-25 19:22:18,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084135260] [2023-08-25 19:22:18,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 19:22:18,389 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-08-25 19:22:18,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 19:22:18,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-08-25 19:22:18,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-08-25 19:22:18,390 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 171 out of 453 [2023-08-25 19:22:18,391 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 18 transitions, 70 flow. Second operand has 5 states, 5 states have (on average 174.2) internal successors, (871), 5 states have internal predecessors, (871), 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 19:22:18,391 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 19:22:18,391 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 171 of 453 [2023-08-25 19:22:18,391 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 19:22:18,549 INFO L124 PetriNetUnfolderBase]: 35/115 cut-off events. [2023-08-25 19:22:18,549 INFO L125 PetriNetUnfolderBase]: For 213/213 co-relation queries the response was YES. [2023-08-25 19:22:18,549 INFO L83 FinitePrefix]: Finished finitePrefix Result has 368 conditions, 115 events. 35/115 cut-off events. For 213/213 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 433 event pairs, 10 based on Foata normal form. 1/116 useless extension candidates. Maximal degree in co-relation 359. Up to 62 conditions per place. [2023-08-25 19:22:18,550 INFO L140 encePairwiseOnDemand]: 449/453 looper letters, 26 selfloop transitions, 2 changer transitions 11/39 dead transitions. [2023-08-25 19:22:18,550 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 39 transitions, 217 flow [2023-08-25 19:22:18,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-25 19:22:18,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-25 19:22:18,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 893 transitions. [2023-08-25 19:22:18,552 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.39426048565121413 [2023-08-25 19:22:18,552 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 893 transitions. [2023-08-25 19:22:18,552 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 893 transitions. [2023-08-25 19:22:18,552 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 19:22:18,553 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 893 transitions. [2023-08-25 19:22:18,554 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 178.6) internal successors, (893), 5 states have internal predecessors, (893), 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 19:22:18,556 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 453.0) internal successors, (2718), 6 states have internal predecessors, (2718), 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 19:22:18,557 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 453.0) internal successors, (2718), 6 states have internal predecessors, (2718), 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 19:22:18,557 INFO L175 Difference]: Start difference. First operand has 32 places, 18 transitions, 70 flow. Second operand 5 states and 893 transitions. [2023-08-25 19:22:18,557 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 35 places, 39 transitions, 217 flow [2023-08-25 19:22:18,558 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 39 transitions, 206 flow, removed 4 selfloop flow, removed 2 redundant places. [2023-08-25 19:22:18,559 INFO L231 Difference]: Finished difference. Result has 36 places, 18 transitions, 77 flow [2023-08-25 19:22:18,559 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=453, PETRI_DIFFERENCE_MINUEND_FLOW=64, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=18, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=77, PETRI_PLACES=36, PETRI_TRANSITIONS=18} [2023-08-25 19:22:18,559 INFO L281 CegarLoopForPetriNet]: 67 programPoint places, -31 predicate places. [2023-08-25 19:22:18,559 INFO L495 AbstractCegarLoop]: Abstraction has has 36 places, 18 transitions, 77 flow [2023-08-25 19:22:18,560 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 174.2) internal successors, (871), 5 states have internal predecessors, (871), 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 19:22:18,560 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 19:22:18,560 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 19:22:18,560 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-25 19:22:18,560 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2023-08-25 19:22:18,561 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 19:22:18,561 INFO L85 PathProgramCache]: Analyzing trace with hash -2129261181, now seen corresponding path program 4 times [2023-08-25 19:22:18,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 19:22:18,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812820411] [2023-08-25 19:22:18,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 19:22:18,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 19:22:18,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 19:22:19,509 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 19:22:19,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 19:22:19,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812820411] [2023-08-25 19:22:19,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812820411] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 19:22:19,511 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 19:22:19,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-08-25 19:22:19,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190732681] [2023-08-25 19:22:19,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 19:22:19,511 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-08-25 19:22:19,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 19:22:19,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-08-25 19:22:19,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-08-25 19:22:19,513 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 171 out of 453 [2023-08-25 19:22:19,515 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 18 transitions, 77 flow. Second operand has 5 states, 5 states have (on average 174.2) internal successors, (871), 5 states have internal predecessors, (871), 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 19:22:19,516 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 19:22:19,517 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 171 of 453 [2023-08-25 19:22:19,517 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 19:22:19,753 INFO L124 PetriNetUnfolderBase]: 28/94 cut-off events. [2023-08-25 19:22:19,753 INFO L125 PetriNetUnfolderBase]: For 304/304 co-relation queries the response was YES. [2023-08-25 19:22:19,754 INFO L83 FinitePrefix]: Finished finitePrefix Result has 337 conditions, 94 events. 28/94 cut-off events. For 304/304 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 282 event pairs, 16 based on Foata normal form. 1/95 useless extension candidates. Maximal degree in co-relation 326. Up to 52 conditions per place. [2023-08-25 19:22:19,754 INFO L140 encePairwiseOnDemand]: 449/453 looper letters, 28 selfloop transitions, 3 changer transitions 9/40 dead transitions. [2023-08-25 19:22:19,754 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 40 transitions, 237 flow [2023-08-25 19:22:19,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-25 19:22:19,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-25 19:22:19,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 893 transitions. [2023-08-25 19:22:19,758 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.39426048565121413 [2023-08-25 19:22:19,758 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 893 transitions. [2023-08-25 19:22:19,758 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 893 transitions. [2023-08-25 19:22:19,759 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 19:22:19,759 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 893 transitions. [2023-08-25 19:22:19,760 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 178.6) internal successors, (893), 5 states have internal predecessors, (893), 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 19:22:19,763 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 453.0) internal successors, (2718), 6 states have internal predecessors, (2718), 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 19:22:19,763 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 453.0) internal successors, (2718), 6 states have internal predecessors, (2718), 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 19:22:19,763 INFO L175 Difference]: Start difference. First operand has 36 places, 18 transitions, 77 flow. Second operand 5 states and 893 transitions. [2023-08-25 19:22:19,764 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 40 transitions, 237 flow [2023-08-25 19:22:19,765 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 40 transitions, 218 flow, removed 7 selfloop flow, removed 4 redundant places. [2023-08-25 19:22:19,765 INFO L231 Difference]: Finished difference. Result has 38 places, 18 transitions, 84 flow [2023-08-25 19:22:19,765 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=453, PETRI_DIFFERENCE_MINUEND_FLOW=68, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=18, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=84, PETRI_PLACES=38, PETRI_TRANSITIONS=18} [2023-08-25 19:22:19,766 INFO L281 CegarLoopForPetriNet]: 67 programPoint places, -29 predicate places. [2023-08-25 19:22:19,766 INFO L495 AbstractCegarLoop]: Abstraction has has 38 places, 18 transitions, 84 flow [2023-08-25 19:22:19,766 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 174.2) internal successors, (871), 5 states have internal predecessors, (871), 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 19:22:19,766 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 19:22:19,767 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 19:22:19,767 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-25 19:22:19,767 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2023-08-25 19:22:19,767 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 19:22:19,767 INFO L85 PathProgramCache]: Analyzing trace with hash 256890573, now seen corresponding path program 5 times [2023-08-25 19:22:19,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 19:22:19,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865645253] [2023-08-25 19:22:19,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 19:22:19,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 19:22:19,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 19:22:20,625 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 19:22:20,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 19:22:20,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865645253] [2023-08-25 19:22:20,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [865645253] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 19:22:20,626 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 19:22:20,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-08-25 19:22:20,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506793337] [2023-08-25 19:22:20,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 19:22:20,627 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-08-25 19:22:20,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 19:22:20,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-08-25 19:22:20,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-08-25 19:22:20,631 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 171 out of 453 [2023-08-25 19:22:20,632 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 18 transitions, 84 flow. Second operand has 5 states, 5 states have (on average 174.2) internal successors, (871), 5 states have internal predecessors, (871), 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 19:22:20,633 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 19:22:20,633 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 171 of 453 [2023-08-25 19:22:20,633 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 19:22:20,809 INFO L124 PetriNetUnfolderBase]: 21/69 cut-off events. [2023-08-25 19:22:20,809 INFO L125 PetriNetUnfolderBase]: For 225/225 co-relation queries the response was YES. [2023-08-25 19:22:20,809 INFO L83 FinitePrefix]: Finished finitePrefix Result has 267 conditions, 69 events. 21/69 cut-off events. For 225/225 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 168 event pairs, 7 based on Foata normal form. 1/70 useless extension candidates. Maximal degree in co-relation 256. Up to 29 conditions per place. [2023-08-25 19:22:20,809 INFO L140 encePairwiseOnDemand]: 449/453 looper letters, 18 selfloop transitions, 1 changer transitions 18/37 dead transitions. [2023-08-25 19:22:20,809 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 37 transitions, 210 flow [2023-08-25 19:22:20,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-25 19:22:20,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-25 19:22:20,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 892 transitions. [2023-08-25 19:22:20,813 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3938189845474614 [2023-08-25 19:22:20,813 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 892 transitions. [2023-08-25 19:22:20,813 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 892 transitions. [2023-08-25 19:22:20,813 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 19:22:20,813 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 892 transitions. [2023-08-25 19:22:20,814 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 178.4) internal successors, (892), 5 states have internal predecessors, (892), 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 19:22:20,816 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 453.0) internal successors, (2718), 6 states have internal predecessors, (2718), 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 19:22:20,817 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 453.0) internal successors, (2718), 6 states have internal predecessors, (2718), 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 19:22:20,817 INFO L175 Difference]: Start difference. First operand has 38 places, 18 transitions, 84 flow. Second operand 5 states and 892 transitions. [2023-08-25 19:22:20,817 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 37 transitions, 210 flow [2023-08-25 19:22:20,818 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 37 transitions, 198 flow, removed 4 selfloop flow, removed 4 redundant places. [2023-08-25 19:22:20,818 INFO L231 Difference]: Finished difference. Result has 39 places, 16 transitions, 63 flow [2023-08-25 19:22:20,819 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=453, PETRI_DIFFERENCE_MINUEND_FLOW=74, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=18, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=63, PETRI_PLACES=39, PETRI_TRANSITIONS=16} [2023-08-25 19:22:20,819 INFO L281 CegarLoopForPetriNet]: 67 programPoint places, -28 predicate places. [2023-08-25 19:22:20,819 INFO L495 AbstractCegarLoop]: Abstraction has has 39 places, 16 transitions, 63 flow [2023-08-25 19:22:20,819 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 174.2) internal successors, (871), 5 states have internal predecessors, (871), 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 19:22:20,820 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 19:22:20,820 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 19:22:20,820 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-25 19:22:20,820 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2023-08-25 19:22:20,820 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 19:22:20,820 INFO L85 PathProgramCache]: Analyzing trace with hash 826381985, now seen corresponding path program 6 times [2023-08-25 19:22:20,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 19:22:20,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306994466] [2023-08-25 19:22:20,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 19:22:20,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 19:22:20,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 19:22:21,472 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 19:22:21,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 19:22:21,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306994466] [2023-08-25 19:22:21,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [306994466] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 19:22:21,472 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 19:22:21,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-08-25 19:22:21,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941681891] [2023-08-25 19:22:21,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 19:22:21,473 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-08-25 19:22:21,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 19:22:21,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-08-25 19:22:21,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-08-25 19:22:21,474 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 171 out of 453 [2023-08-25 19:22:21,475 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 16 transitions, 63 flow. Second operand has 5 states, 5 states have (on average 174.2) internal successors, (871), 5 states have internal predecessors, (871), 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 19:22:21,475 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 19:22:21,475 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 171 of 453 [2023-08-25 19:22:21,475 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 19:22:21,628 INFO L124 PetriNetUnfolderBase]: 10/38 cut-off events. [2023-08-25 19:22:21,628 INFO L125 PetriNetUnfolderBase]: For 91/91 co-relation queries the response was YES. [2023-08-25 19:22:21,628 INFO L83 FinitePrefix]: Finished finitePrefix Result has 145 conditions, 38 events. 10/38 cut-off events. For 91/91 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 47 event pairs, 5 based on Foata normal form. 1/39 useless extension candidates. Maximal degree in co-relation 135. Up to 21 conditions per place. [2023-08-25 19:22:21,628 INFO L140 encePairwiseOnDemand]: 449/453 looper letters, 0 selfloop transitions, 0 changer transitions 23/23 dead transitions. [2023-08-25 19:22:21,628 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 23 transitions, 129 flow [2023-08-25 19:22:21,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-25 19:22:21,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-25 19:22:21,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 879 transitions. [2023-08-25 19:22:21,631 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3880794701986755 [2023-08-25 19:22:21,631 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 879 transitions. [2023-08-25 19:22:21,631 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 879 transitions. [2023-08-25 19:22:21,631 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 19:22:21,631 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 879 transitions. [2023-08-25 19:22:21,633 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 175.8) internal successors, (879), 5 states have internal predecessors, (879), 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 19:22:21,635 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 453.0) internal successors, (2718), 6 states have internal predecessors, (2718), 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 19:22:21,635 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 453.0) internal successors, (2718), 6 states have internal predecessors, (2718), 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 19:22:21,635 INFO L175 Difference]: Start difference. First operand has 39 places, 16 transitions, 63 flow. Second operand 5 states and 879 transitions. [2023-08-25 19:22:21,635 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 23 transitions, 129 flow [2023-08-25 19:22:21,636 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 23 transitions, 111 flow, removed 3 selfloop flow, removed 7 redundant places. [2023-08-25 19:22:21,636 INFO L231 Difference]: Finished difference. Result has 31 places, 0 transitions, 0 flow [2023-08-25 19:22:21,636 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=453, PETRI_DIFFERENCE_MINUEND_FLOW=44, PETRI_DIFFERENCE_MINUEND_PLACES=27, 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=31, PETRI_TRANSITIONS=0} [2023-08-25 19:22:21,637 INFO L281 CegarLoopForPetriNet]: 67 programPoint places, -36 predicate places. [2023-08-25 19:22:21,637 INFO L495 AbstractCegarLoop]: Abstraction has has 31 places, 0 transitions, 0 flow [2023-08-25 19:22:21,637 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 174.2) internal successors, (871), 5 states have internal predecessors, (871), 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 19:22:21,639 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (68 of 69 remaining) [2023-08-25 19:22:21,639 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (67 of 69 remaining) [2023-08-25 19:22:21,639 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (66 of 69 remaining) [2023-08-25 19:22:21,639 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (65 of 69 remaining) [2023-08-25 19:22:21,640 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (64 of 69 remaining) [2023-08-25 19:22:21,640 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (63 of 69 remaining) [2023-08-25 19:22:21,640 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (62 of 69 remaining) [2023-08-25 19:22:21,640 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (61 of 69 remaining) [2023-08-25 19:22:21,640 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (60 of 69 remaining) [2023-08-25 19:22:21,640 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (59 of 69 remaining) [2023-08-25 19:22:21,640 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (58 of 69 remaining) [2023-08-25 19:22:21,640 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (57 of 69 remaining) [2023-08-25 19:22:21,640 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (56 of 69 remaining) [2023-08-25 19:22:21,640 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (55 of 69 remaining) [2023-08-25 19:22:21,641 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (54 of 69 remaining) [2023-08-25 19:22:21,641 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (53 of 69 remaining) [2023-08-25 19:22:21,641 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (52 of 69 remaining) [2023-08-25 19:22:21,641 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (51 of 69 remaining) [2023-08-25 19:22:21,641 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (50 of 69 remaining) [2023-08-25 19:22:21,641 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (49 of 69 remaining) [2023-08-25 19:22:21,641 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (48 of 69 remaining) [2023-08-25 19:22:21,641 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (47 of 69 remaining) [2023-08-25 19:22:21,641 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (46 of 69 remaining) [2023-08-25 19:22:21,641 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (45 of 69 remaining) [2023-08-25 19:22:21,642 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (44 of 69 remaining) [2023-08-25 19:22:21,642 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (43 of 69 remaining) [2023-08-25 19:22:21,642 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (42 of 69 remaining) [2023-08-25 19:22:21,642 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (41 of 69 remaining) [2023-08-25 19:22:21,642 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (40 of 69 remaining) [2023-08-25 19:22:21,642 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (39 of 69 remaining) [2023-08-25 19:22:21,642 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (38 of 69 remaining) [2023-08-25 19:22:21,642 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (37 of 69 remaining) [2023-08-25 19:22:21,642 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (36 of 69 remaining) [2023-08-25 19:22:21,643 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (35 of 69 remaining) [2023-08-25 19:22:21,643 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (34 of 69 remaining) [2023-08-25 19:22:21,643 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (33 of 69 remaining) [2023-08-25 19:22:21,643 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (32 of 69 remaining) [2023-08-25 19:22:21,643 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (31 of 69 remaining) [2023-08-25 19:22:21,643 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (30 of 69 remaining) [2023-08-25 19:22:21,643 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONASSERT (29 of 69 remaining) [2023-08-25 19:22:21,643 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (28 of 69 remaining) [2023-08-25 19:22:21,643 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (27 of 69 remaining) [2023-08-25 19:22:21,643 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (26 of 69 remaining) [2023-08-25 19:22:21,644 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (25 of 69 remaining) [2023-08-25 19:22:21,644 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (24 of 69 remaining) [2023-08-25 19:22:21,644 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (23 of 69 remaining) [2023-08-25 19:22:21,644 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (22 of 69 remaining) [2023-08-25 19:22:21,644 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (21 of 69 remaining) [2023-08-25 19:22:21,644 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (20 of 69 remaining) [2023-08-25 19:22:21,644 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (19 of 69 remaining) [2023-08-25 19:22:21,644 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (18 of 69 remaining) [2023-08-25 19:22:21,644 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (17 of 69 remaining) [2023-08-25 19:22:21,644 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (16 of 69 remaining) [2023-08-25 19:22:21,645 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (15 of 69 remaining) [2023-08-25 19:22:21,645 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (14 of 69 remaining) [2023-08-25 19:22:21,645 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (13 of 69 remaining) [2023-08-25 19:22:21,645 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (12 of 69 remaining) [2023-08-25 19:22:21,645 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (11 of 69 remaining) [2023-08-25 19:22:21,645 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (10 of 69 remaining) [2023-08-25 19:22:21,645 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (9 of 69 remaining) [2023-08-25 19:22:21,645 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (8 of 69 remaining) [2023-08-25 19:22:21,645 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (7 of 69 remaining) [2023-08-25 19:22:21,645 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (6 of 69 remaining) [2023-08-25 19:22:21,646 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (5 of 69 remaining) [2023-08-25 19:22:21,646 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (4 of 69 remaining) [2023-08-25 19:22:21,646 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (3 of 69 remaining) [2023-08-25 19:22:21,646 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (2 of 69 remaining) [2023-08-25 19:22:21,646 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (1 of 69 remaining) [2023-08-25 19:22:21,646 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (0 of 69 remaining) [2023-08-25 19:22:21,646 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-25 19:22:21,646 INFO L445 BasicCegarLoop]: Path program histogram: [6, 1] [2023-08-25 19:22:21,650 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-25 19:22:21,650 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-25 19:22:21,653 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.08 07:22:21 BasicIcfg [2023-08-25 19:22:21,653 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-25 19:22:21,653 INFO L158 Benchmark]: Toolchain (without parser) took 14835.26ms. Allocated memory was 381.7MB in the beginning and 861.9MB in the end (delta: 480.2MB). Free memory was 358.0MB in the beginning and 760.7MB in the end (delta: -402.7MB). Peak memory consumption was 77.0MB. Max. memory is 16.0GB. [2023-08-25 19:22:21,653 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 381.7MB. Free memory is still 358.2MB. There was no memory consumed. Max. memory is 16.0GB. [2023-08-25 19:22:21,653 INFO L158 Benchmark]: CACSL2BoogieTranslator took 216.18ms. Allocated memory is still 381.7MB. Free memory was 357.6MB in the beginning and 345.8MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. [2023-08-25 19:22:21,655 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.52ms. Allocated memory is still 381.7MB. Free memory was 345.8MB in the beginning and 342.9MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-08-25 19:22:21,656 INFO L158 Benchmark]: Boogie Preprocessor took 19.90ms. Allocated memory is still 381.7MB. Free memory was 342.9MB in the beginning and 340.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-08-25 19:22:21,656 INFO L158 Benchmark]: RCFGBuilder took 697.71ms. Allocated memory is still 381.7MB. Free memory was 340.8MB in the beginning and 286.1MB in the end (delta: 54.8MB). Peak memory consumption was 54.5MB. Max. memory is 16.0GB. [2023-08-25 19:22:21,656 INFO L158 Benchmark]: TraceAbstraction took 13825.85ms. Allocated memory was 497.0MB in the beginning and 861.9MB in the end (delta: 364.9MB). Free memory was 471.3MB in the beginning and 760.7MB in the end (delta: -289.3MB). Peak memory consumption was 74.5MB. Max. memory is 16.0GB. [2023-08-25 19:22:21,657 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 381.7MB. Free memory is still 358.2MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 216.18ms. Allocated memory is still 381.7MB. Free memory was 357.6MB in the beginning and 345.8MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 56.52ms. Allocated memory is still 381.7MB. Free memory was 345.8MB in the beginning and 342.9MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 19.90ms. Allocated memory is still 381.7MB. Free memory was 342.9MB in the beginning and 340.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 697.71ms. Allocated memory is still 381.7MB. Free memory was 340.8MB in the beginning and 286.1MB in the end (delta: 54.8MB). Peak memory consumption was 54.5MB. Max. memory is 16.0GB. * TraceAbstraction took 13825.85ms. Allocated memory was 497.0MB in the beginning and 861.9MB in the end (delta: 364.9MB). Free memory was 471.3MB in the beginning and 760.7MB in the end (delta: -289.3MB). Peak memory consumption was 74.5MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6.2s, 220 PlacesBefore, 67 PlacesAfterwards, 213 TransitionsBefore, 57 TransitionsAfterwards, 2310 CoEnabledTransitionPairs, 9 FixpointIterations, 170 TrivialSequentialCompositions, 41 ConcurrentSequentialCompositions, 12 TrivialYvCompositions, 0 ConcurrentYvCompositions, 3 ChoiceCompositions, 226 TotalNumberOfCompositions, 2662 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2036, independent: 2009, independent conditional: 0, independent unconditional: 2009, dependent: 27, dependent conditional: 0, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 865, independent: 859, independent conditional: 0, independent unconditional: 859, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2036, independent: 1150, independent conditional: 0, independent unconditional: 1150, dependent: 21, dependent conditional: 0, dependent unconditional: 21, unknown: 865, unknown conditional: 0, unknown unconditional: 865] , Statistics on independence cache: Total cache size (in pairs): 115, Positive cache size: 112, Positive conditional cache size: 0, Positive unconditional cache size: 112, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3, 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: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: 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: 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: 80]: 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: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: 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 - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 264 locations, 69 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: 13.7s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.0s, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 6.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 109 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 109 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 568 IncrementalHoareTripleChecker+Invalid, 570 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 0 mSDtfsCounter, 568 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 37 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=132occurred in iteration=0, InterpolantAutomatonStates: 32, 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, 0.4s SatisfiabilityAnalysisTime, 5.5s InterpolantComputationTime, 97 NumberOfCodeBlocks, 97 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 90 ConstructedInterpolants, 0 QuantifiedInterpolants, 2994 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 42 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-25 19:22:21,673 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...