./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-data-race.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-simple-queue.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-simple-queue.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 608e0c2870f111f9f6921442a1f1a544ee956a8de04c7629c0edf3e54cde4da3 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 15:34:13,697 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 15:34:13,746 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-24 15:34:13,752 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 15:34:13,753 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 15:34:13,776 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 15:34:13,778 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 15:34:13,778 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 15:34:13,779 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 15:34:13,779 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 15:34:13,780 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 15:34:13,780 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 15:34:13,780 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 15:34:13,781 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 15:34:13,782 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 15:34:13,782 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 15:34:13,782 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 15:34:13,783 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 15:34:13,783 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 15:34:13,783 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 15:34:13,786 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 15:34:13,786 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 15:34:13,787 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-24 15:34:13,787 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 15:34:13,787 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-24 15:34:13,787 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 15:34:13,787 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 15:34:13,787 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 15:34:13,788 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 15:34:13,788 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 15:34:13,788 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 15:34:13,788 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 15:34:13,788 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 15:34:13,789 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 15:34:13,789 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 15:34:13,789 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 15:34:13,789 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 15:34:13,789 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 15:34:13,789 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 15:34:13,790 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 15:34:13,790 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 15:34:13,791 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 608e0c2870f111f9f6921442a1f1a544ee956a8de04c7629c0edf3e54cde4da3 [2024-10-24 15:34:14,031 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 15:34:14,054 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 15:34:14,057 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 15:34:14,058 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 15:34:14,059 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 15:34:14,060 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-simple-queue.wvr.c [2024-10-24 15:34:15,331 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 15:34:15,493 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 15:34:15,494 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-simple-queue.wvr.c [2024-10-24 15:34:15,501 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/739414ebb/12dcdf75c56f41dd82940f37a3aa11a4/FLAG0889f71c3 [2024-10-24 15:34:15,907 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/739414ebb/12dcdf75c56f41dd82940f37a3aa11a4 [2024-10-24 15:34:15,909 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 15:34:15,910 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 15:34:15,911 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 15:34:15,911 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 15:34:15,915 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 15:34:15,916 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:34:15" (1/1) ... [2024-10-24 15:34:15,917 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d26f44b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:34:15, skipping insertion in model container [2024-10-24 15:34:15,917 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:34:15" (1/1) ... [2024-10-24 15:34:15,945 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 15:34:16,134 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 15:34:16,141 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 15:34:16,169 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 15:34:16,185 INFO L204 MainTranslator]: Completed translation [2024-10-24 15:34:16,186 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:34:16 WrapperNode [2024-10-24 15:34:16,186 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 15:34:16,187 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 15:34:16,187 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 15:34:16,187 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 15:34:16,192 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:34:16" (1/1) ... [2024-10-24 15:34:16,201 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:34:16" (1/1) ... [2024-10-24 15:34:16,227 INFO L138 Inliner]: procedures = 23, calls = 24, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 222 [2024-10-24 15:34:16,230 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 15:34:16,231 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 15:34:16,231 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 15:34:16,231 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 15:34:16,238 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:34:16" (1/1) ... [2024-10-24 15:34:16,238 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:34:16" (1/1) ... [2024-10-24 15:34:16,241 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:34:16" (1/1) ... [2024-10-24 15:34:16,241 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:34:16" (1/1) ... [2024-10-24 15:34:16,247 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:34:16" (1/1) ... [2024-10-24 15:34:16,249 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:34:16" (1/1) ... [2024-10-24 15:34:16,250 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:34:16" (1/1) ... [2024-10-24 15:34:16,251 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:34:16" (1/1) ... [2024-10-24 15:34:16,253 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 15:34:16,253 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 15:34:16,254 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 15:34:16,254 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 15:34:16,255 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:34:16" (1/1) ... [2024-10-24 15:34:16,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 15:34:16,274 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 15:34:16,296 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-24 15:34:16,299 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-24 15:34:16,334 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 15:34:16,334 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-24 15:34:16,335 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-24 15:34:16,335 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-24 15:34:16,335 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-24 15:34:16,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-24 15:34:16,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-24 15:34:16,335 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-24 15:34:16,336 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-24 15:34:16,336 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-24 15:34:16,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 15:34:16,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 15:34:16,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-24 15:34:16,337 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-24 15:34:16,441 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 15:34:16,444 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 15:34:17,058 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-24 15:34:17,058 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 15:34:17,323 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 15:34:17,324 INFO L314 CfgBuilder]: Removed 3 assume(true) statements. [2024-10-24 15:34:17,325 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:34:17 BoogieIcfgContainer [2024-10-24 15:34:17,325 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 15:34:17,327 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 15:34:17,328 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 15:34:17,331 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 15:34:17,331 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 03:34:15" (1/3) ... [2024-10-24 15:34:17,332 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f39318 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:34:17, skipping insertion in model container [2024-10-24 15:34:17,332 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:34:16" (2/3) ... [2024-10-24 15:34:17,332 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f39318 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:34:17, skipping insertion in model container [2024-10-24 15:34:17,333 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:34:17" (3/3) ... [2024-10-24 15:34:17,334 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-simple-queue.wvr.c [2024-10-24 15:34:17,349 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 15:34:17,349 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2024-10-24 15:34:17,349 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-24 15:34:17,410 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-10-24 15:34:17,444 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 179 places, 181 transitions, 376 flow [2024-10-24 15:34:17,503 INFO L124 PetriNetUnfolderBase]: 9/179 cut-off events. [2024-10-24 15:34:17,505 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-24 15:34:17,510 INFO L83 FinitePrefix]: Finished finitePrefix Result has 188 conditions, 179 events. 9/179 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 199 event pairs, 0 based on Foata normal form. 0/142 useless extension candidates. Maximal degree in co-relation 135. Up to 2 conditions per place. [2024-10-24 15:34:17,511 INFO L82 GeneralOperation]: Start removeDead. Operand has 179 places, 181 transitions, 376 flow [2024-10-24 15:34:17,516 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 161 places, 162 transitions, 336 flow [2024-10-24 15:34:17,528 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 15:34:17,535 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5488c4d6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 15:34:17,536 INFO L334 AbstractCegarLoop]: Starting to check reachability of 49 error locations. [2024-10-24 15:34:17,540 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-24 15:34:17,542 INFO L124 PetriNetUnfolderBase]: 0/18 cut-off events. [2024-10-24 15:34:17,542 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-24 15:34:17,542 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:34:17,543 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:34:17,543 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2024-10-24 15:34:17,548 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:34:17,548 INFO L85 PathProgramCache]: Analyzing trace with hash 1474294982, now seen corresponding path program 1 times [2024-10-24 15:34:17,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:34:17,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970229051] [2024-10-24 15:34:17,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:34:17,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:34:17,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:34:17,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:34:17,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:34:17,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970229051] [2024-10-24 15:34:17,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [970229051] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:34:17,730 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:34:17,730 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:34:17,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753201043] [2024-10-24 15:34:17,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:34:17,764 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:34:17,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:34:17,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:34:17,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:34:17,804 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 141 out of 181 [2024-10-24 15:34:17,807 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 161 places, 162 transitions, 336 flow. Second operand has 3 states, 3 states have (on average 142.33333333333334) internal successors, (427), 3 states have internal predecessors, (427), 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) [2024-10-24 15:34:17,807 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:34:17,807 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 141 of 181 [2024-10-24 15:34:17,808 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:34:17,858 INFO L124 PetriNetUnfolderBase]: 10/171 cut-off events. [2024-10-24 15:34:17,858 INFO L125 PetriNetUnfolderBase]: For 15/15 co-relation queries the response was YES. [2024-10-24 15:34:17,859 INFO L83 FinitePrefix]: Finished finitePrefix Result has 206 conditions, 171 events. 10/171 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 191 event pairs, 0 based on Foata normal form. 12/168 useless extension candidates. Maximal degree in co-relation 129. Up to 21 conditions per place. [2024-10-24 15:34:17,864 INFO L140 encePairwiseOnDemand]: 154/181 looper letters, 10 selfloop transitions, 2 changer transitions 2/137 dead transitions. [2024-10-24 15:34:17,864 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 143 places, 137 transitions, 310 flow [2024-10-24 15:34:17,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:34:17,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:34:17,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 460 transitions. [2024-10-24 15:34:17,880 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8471454880294659 [2024-10-24 15:34:17,882 INFO L175 Difference]: Start difference. First operand has 161 places, 162 transitions, 336 flow. Second operand 3 states and 460 transitions. [2024-10-24 15:34:17,883 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 143 places, 137 transitions, 310 flow [2024-10-24 15:34:17,886 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 139 places, 137 transitions, 302 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-10-24 15:34:17,890 INFO L231 Difference]: Finished difference. Result has 139 places, 135 transitions, 278 flow [2024-10-24 15:34:17,892 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=181, PETRI_DIFFERENCE_MINUEND_FLOW=278, PETRI_DIFFERENCE_MINUEND_PLACES=137, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=137, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=135, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=278, PETRI_PLACES=139, PETRI_TRANSITIONS=135} [2024-10-24 15:34:17,895 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, -22 predicate places. [2024-10-24 15:34:17,896 INFO L471 AbstractCegarLoop]: Abstraction has has 139 places, 135 transitions, 278 flow [2024-10-24 15:34:17,896 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 142.33333333333334) internal successors, (427), 3 states have internal predecessors, (427), 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) [2024-10-24 15:34:17,897 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:34:17,897 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:34:17,897 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 15:34:17,897 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2024-10-24 15:34:17,898 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:34:17,898 INFO L85 PathProgramCache]: Analyzing trace with hash -2130248322, now seen corresponding path program 1 times [2024-10-24 15:34:17,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:34:17,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141611225] [2024-10-24 15:34:17,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:34:17,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:34:17,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:34:17,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:34:17,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:34:17,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1141611225] [2024-10-24 15:34:17,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1141611225] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:34:17,953 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:34:17,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:34:17,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201869295] [2024-10-24 15:34:17,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:34:17,954 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:34:17,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:34:17,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:34:17,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:34:17,967 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 141 out of 181 [2024-10-24 15:34:17,968 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 139 places, 135 transitions, 278 flow. Second operand has 3 states, 3 states have (on average 142.33333333333334) internal successors, (427), 3 states have internal predecessors, (427), 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) [2024-10-24 15:34:17,968 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:34:17,968 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 141 of 181 [2024-10-24 15:34:17,968 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:34:18,011 INFO L124 PetriNetUnfolderBase]: 10/168 cut-off events. [2024-10-24 15:34:18,012 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-10-24 15:34:18,012 INFO L83 FinitePrefix]: Finished finitePrefix Result has 197 conditions, 168 events. 10/168 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 188 event pairs, 0 based on Foata normal form. 0/156 useless extension candidates. Maximal degree in co-relation 171. Up to 21 conditions per place. [2024-10-24 15:34:18,013 INFO L140 encePairwiseOnDemand]: 178/181 looper letters, 10 selfloop transitions, 2 changer transitions 0/134 dead transitions. [2024-10-24 15:34:18,013 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 134 transitions, 300 flow [2024-10-24 15:34:18,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:34:18,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:34:18,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 436 transitions. [2024-10-24 15:34:18,015 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8029465930018416 [2024-10-24 15:34:18,015 INFO L175 Difference]: Start difference. First operand has 139 places, 135 transitions, 278 flow. Second operand 3 states and 436 transitions. [2024-10-24 15:34:18,015 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 134 transitions, 300 flow [2024-10-24 15:34:18,016 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 136 places, 134 transitions, 296 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:34:18,018 INFO L231 Difference]: Finished difference. Result has 136 places, 134 transitions, 276 flow [2024-10-24 15:34:18,018 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=181, PETRI_DIFFERENCE_MINUEND_FLOW=272, PETRI_DIFFERENCE_MINUEND_PLACES=134, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=134, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=132, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=276, PETRI_PLACES=136, PETRI_TRANSITIONS=134} [2024-10-24 15:34:18,019 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, -25 predicate places. [2024-10-24 15:34:18,019 INFO L471 AbstractCegarLoop]: Abstraction has has 136 places, 134 transitions, 276 flow [2024-10-24 15:34:18,019 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 142.33333333333334) internal successors, (427), 3 states have internal predecessors, (427), 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) [2024-10-24 15:34:18,019 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:34:18,020 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:34:18,020 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 15:34:18,020 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2024-10-24 15:34:18,020 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:34:18,020 INFO L85 PathProgramCache]: Analyzing trace with hash 1168280380, now seen corresponding path program 1 times [2024-10-24 15:34:18,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:34:18,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882923421] [2024-10-24 15:34:18,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:34:18,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:34:18,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:34:18,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:34:18,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:34:18,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1882923421] [2024-10-24 15:34:18,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1882923421] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:34:18,049 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:34:18,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:34:18,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620413956] [2024-10-24 15:34:18,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:34:18,050 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:34:18,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:34:18,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:34:18,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:34:18,061 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 141 out of 181 [2024-10-24 15:34:18,061 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 136 places, 134 transitions, 276 flow. Second operand has 3 states, 3 states have (on average 142.33333333333334) internal successors, (427), 3 states have internal predecessors, (427), 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) [2024-10-24 15:34:18,061 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:34:18,061 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 141 of 181 [2024-10-24 15:34:18,062 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:34:18,105 INFO L124 PetriNetUnfolderBase]: 10/167 cut-off events. [2024-10-24 15:34:18,109 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-10-24 15:34:18,110 INFO L83 FinitePrefix]: Finished finitePrefix Result has 196 conditions, 167 events. 10/167 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 188 event pairs, 0 based on Foata normal form. 0/156 useless extension candidates. Maximal degree in co-relation 162. Up to 21 conditions per place. [2024-10-24 15:34:18,110 INFO L140 encePairwiseOnDemand]: 178/181 looper letters, 10 selfloop transitions, 2 changer transitions 0/133 dead transitions. [2024-10-24 15:34:18,110 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 137 places, 133 transitions, 298 flow [2024-10-24 15:34:18,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:34:18,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:34:18,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 436 transitions. [2024-10-24 15:34:18,112 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8029465930018416 [2024-10-24 15:34:18,113 INFO L175 Difference]: Start difference. First operand has 136 places, 134 transitions, 276 flow. Second operand 3 states and 436 transitions. [2024-10-24 15:34:18,113 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 137 places, 133 transitions, 298 flow [2024-10-24 15:34:18,114 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 135 places, 133 transitions, 294 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:34:18,115 INFO L231 Difference]: Finished difference. Result has 135 places, 133 transitions, 274 flow [2024-10-24 15:34:18,119 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=181, PETRI_DIFFERENCE_MINUEND_FLOW=270, PETRI_DIFFERENCE_MINUEND_PLACES=133, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=133, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=131, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=274, PETRI_PLACES=135, PETRI_TRANSITIONS=133} [2024-10-24 15:34:18,120 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, -26 predicate places. [2024-10-24 15:34:18,120 INFO L471 AbstractCegarLoop]: Abstraction has has 135 places, 133 transitions, 274 flow [2024-10-24 15:34:18,121 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 142.33333333333334) internal successors, (427), 3 states have internal predecessors, (427), 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) [2024-10-24 15:34:18,121 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:34:18,121 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:34:18,121 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 15:34:18,121 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2024-10-24 15:34:18,122 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:34:18,123 INFO L85 PathProgramCache]: Analyzing trace with hash 1339153938, now seen corresponding path program 1 times [2024-10-24 15:34:18,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:34:18,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267880558] [2024-10-24 15:34:18,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:34:18,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:34:18,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:34:18,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:34:18,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:34:18,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267880558] [2024-10-24 15:34:18,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [267880558] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:34:18,177 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:34:18,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:34:18,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062219219] [2024-10-24 15:34:18,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:34:18,181 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:34:18,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:34:18,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:34:18,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:34:18,195 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 145 out of 181 [2024-10-24 15:34:18,195 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 135 places, 133 transitions, 274 flow. Second operand has 3 states, 3 states have (on average 146.0) internal successors, (438), 3 states have internal predecessors, (438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:34:18,199 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:34:18,199 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 145 of 181 [2024-10-24 15:34:18,199 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:34:18,251 INFO L124 PetriNetUnfolderBase]: 11/179 cut-off events. [2024-10-24 15:34:18,251 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-10-24 15:34:18,251 INFO L83 FinitePrefix]: Finished finitePrefix Result has 208 conditions, 179 events. 11/179 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 240 event pairs, 0 based on Foata normal form. 0/168 useless extension candidates. Maximal degree in co-relation 166. Up to 13 conditions per place. [2024-10-24 15:34:18,252 INFO L140 encePairwiseOnDemand]: 178/181 looper letters, 11 selfloop transitions, 2 changer transitions 0/136 dead transitions. [2024-10-24 15:34:18,252 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 136 places, 136 transitions, 308 flow [2024-10-24 15:34:18,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:34:18,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:34:18,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 449 transitions. [2024-10-24 15:34:18,257 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8268876611418048 [2024-10-24 15:34:18,257 INFO L175 Difference]: Start difference. First operand has 135 places, 133 transitions, 274 flow. Second operand 3 states and 449 transitions. [2024-10-24 15:34:18,257 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 136 places, 136 transitions, 308 flow [2024-10-24 15:34:18,258 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 134 places, 136 transitions, 304 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:34:18,264 INFO L231 Difference]: Finished difference. Result has 135 places, 133 transitions, 278 flow [2024-10-24 15:34:18,265 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=181, PETRI_DIFFERENCE_MINUEND_FLOW=268, PETRI_DIFFERENCE_MINUEND_PLACES=132, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=132, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=130, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=278, PETRI_PLACES=135, PETRI_TRANSITIONS=133} [2024-10-24 15:34:18,265 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, -26 predicate places. [2024-10-24 15:34:18,265 INFO L471 AbstractCegarLoop]: Abstraction has has 135 places, 133 transitions, 278 flow [2024-10-24 15:34:18,266 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 146.0) internal successors, (438), 3 states have internal predecessors, (438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:34:18,266 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:34:18,266 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:34:18,266 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 15:34:18,266 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2024-10-24 15:34:18,267 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:34:18,268 INFO L85 PathProgramCache]: Analyzing trace with hash 974148637, now seen corresponding path program 1 times [2024-10-24 15:34:18,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:34:18,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488232474] [2024-10-24 15:34:18,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:34:18,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:34:18,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:34:18,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:34:18,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:34:18,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [488232474] [2024-10-24 15:34:18,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [488232474] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:34:18,337 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:34:18,337 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:34:18,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583389672] [2024-10-24 15:34:18,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:34:18,338 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:34:18,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:34:18,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:34:18,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:34:18,352 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 142 out of 181 [2024-10-24 15:34:18,352 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 135 places, 133 transitions, 278 flow. Second operand has 3 states, 3 states have (on average 143.33333333333334) internal successors, (430), 3 states have internal predecessors, (430), 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) [2024-10-24 15:34:18,353 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:34:18,353 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 142 of 181 [2024-10-24 15:34:18,357 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:34:18,405 INFO L124 PetriNetUnfolderBase]: 11/170 cut-off events. [2024-10-24 15:34:18,409 INFO L125 PetriNetUnfolderBase]: For 11/11 co-relation queries the response was YES. [2024-10-24 15:34:18,410 INFO L83 FinitePrefix]: Finished finitePrefix Result has 210 conditions, 170 events. 11/170 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 222 event pairs, 2 based on Foata normal form. 0/161 useless extension candidates. Maximal degree in co-relation 118. Up to 23 conditions per place. [2024-10-24 15:34:18,411 INFO L140 encePairwiseOnDemand]: 178/181 looper letters, 10 selfloop transitions, 2 changer transitions 0/132 dead transitions. [2024-10-24 15:34:18,414 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 136 places, 132 transitions, 300 flow [2024-10-24 15:34:18,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:34:18,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:34:18,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 438 transitions. [2024-10-24 15:34:18,416 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8066298342541437 [2024-10-24 15:34:18,416 INFO L175 Difference]: Start difference. First operand has 135 places, 133 transitions, 278 flow. Second operand 3 states and 438 transitions. [2024-10-24 15:34:18,416 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 136 places, 132 transitions, 300 flow [2024-10-24 15:34:18,421 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 135 places, 132 transitions, 298 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-24 15:34:18,422 INFO L231 Difference]: Finished difference. Result has 135 places, 132 transitions, 278 flow [2024-10-24 15:34:18,422 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=181, PETRI_DIFFERENCE_MINUEND_FLOW=274, PETRI_DIFFERENCE_MINUEND_PLACES=133, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=132, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=130, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=278, PETRI_PLACES=135, PETRI_TRANSITIONS=132} [2024-10-24 15:34:18,423 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, -26 predicate places. [2024-10-24 15:34:18,424 INFO L471 AbstractCegarLoop]: Abstraction has has 135 places, 132 transitions, 278 flow [2024-10-24 15:34:18,425 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 143.33333333333334) internal successors, (430), 3 states have internal predecessors, (430), 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) [2024-10-24 15:34:18,425 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:34:18,425 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:34:18,429 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 15:34:18,429 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2024-10-24 15:34:18,430 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:34:18,430 INFO L85 PathProgramCache]: Analyzing trace with hash -231384129, now seen corresponding path program 1 times [2024-10-24 15:34:18,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:34:18,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892769863] [2024-10-24 15:34:18,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:34:18,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:34:18,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:34:18,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:34:18,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:34:18,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892769863] [2024-10-24 15:34:18,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [892769863] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:34:18,490 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:34:18,490 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:34:18,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031457226] [2024-10-24 15:34:18,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:34:18,491 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:34:18,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:34:18,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:34:18,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:34:18,507 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 145 out of 181 [2024-10-24 15:34:18,508 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 135 places, 132 transitions, 278 flow. Second operand has 3 states, 3 states have (on average 146.0) internal successors, (438), 3 states have internal predecessors, (438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:34:18,508 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:34:18,508 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 145 of 181 [2024-10-24 15:34:18,508 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:34:18,570 INFO L124 PetriNetUnfolderBase]: 11/169 cut-off events. [2024-10-24 15:34:18,571 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2024-10-24 15:34:18,572 INFO L83 FinitePrefix]: Finished finitePrefix Result has 206 conditions, 169 events. 11/169 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 220 event pairs, 2 based on Foata normal form. 0/161 useless extension candidates. Maximal degree in co-relation 155. Up to 21 conditions per place. [2024-10-24 15:34:18,574 INFO L140 encePairwiseOnDemand]: 179/181 looper letters, 9 selfloop transitions, 1 changer transitions 0/131 dead transitions. [2024-10-24 15:34:18,574 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 136 places, 131 transitions, 296 flow [2024-10-24 15:34:18,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:34:18,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:34:18,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 445 transitions. [2024-10-24 15:34:18,578 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8195211786372008 [2024-10-24 15:34:18,578 INFO L175 Difference]: Start difference. First operand has 135 places, 132 transitions, 278 flow. Second operand 3 states and 445 transitions. [2024-10-24 15:34:18,578 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 136 places, 131 transitions, 296 flow [2024-10-24 15:34:18,579 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 134 places, 131 transitions, 292 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:34:18,580 INFO L231 Difference]: Finished difference. Result has 134 places, 131 transitions, 274 flow [2024-10-24 15:34:18,581 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=181, PETRI_DIFFERENCE_MINUEND_FLOW=272, PETRI_DIFFERENCE_MINUEND_PLACES=132, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=131, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=130, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=274, PETRI_PLACES=134, PETRI_TRANSITIONS=131} [2024-10-24 15:34:18,586 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, -27 predicate places. [2024-10-24 15:34:18,587 INFO L471 AbstractCegarLoop]: Abstraction has has 134 places, 131 transitions, 274 flow [2024-10-24 15:34:18,587 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 146.0) internal successors, (438), 3 states have internal predecessors, (438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:34:18,587 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:34:18,587 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:34:18,587 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-24 15:34:18,588 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2024-10-24 15:34:18,588 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:34:18,588 INFO L85 PathProgramCache]: Analyzing trace with hash -551124328, now seen corresponding path program 1 times [2024-10-24 15:34:18,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:34:18,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496057291] [2024-10-24 15:34:18,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:34:18,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:34:18,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:34:19,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:34:19,137 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:34:19,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496057291] [2024-10-24 15:34:19,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1496057291] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:34:19,138 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:34:19,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 15:34:19,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863804348] [2024-10-24 15:34:19,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:34:19,139 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 15:34:19,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:34:19,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 15:34:19,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-24 15:34:19,210 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 135 out of 181 [2024-10-24 15:34:19,212 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 134 places, 131 transitions, 274 flow. Second operand has 6 states, 6 states have (on average 136.5) internal successors, (819), 6 states have internal predecessors, (819), 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) [2024-10-24 15:34:19,212 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:34:19,212 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 135 of 181 [2024-10-24 15:34:19,212 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:34:19,253 INFO L124 PetriNetUnfolderBase]: 11/168 cut-off events. [2024-10-24 15:34:19,253 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2024-10-24 15:34:19,254 INFO L83 FinitePrefix]: Finished finitePrefix Result has 214 conditions, 168 events. 11/168 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 216 event pairs, 2 based on Foata normal form. 0/161 useless extension candidates. Maximal degree in co-relation 164. Up to 28 conditions per place. [2024-10-24 15:34:19,254 INFO L140 encePairwiseOnDemand]: 175/181 looper letters, 15 selfloop transitions, 5 changer transitions 0/130 dead transitions. [2024-10-24 15:34:19,254 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 130 transitions, 312 flow [2024-10-24 15:34:19,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 15:34:19,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-24 15:34:19,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 830 transitions. [2024-10-24 15:34:19,256 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7642725598526704 [2024-10-24 15:34:19,257 INFO L175 Difference]: Start difference. First operand has 134 places, 131 transitions, 274 flow. Second operand 6 states and 830 transitions. [2024-10-24 15:34:19,257 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 130 transitions, 312 flow [2024-10-24 15:34:19,258 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 137 places, 130 transitions, 311 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-24 15:34:19,259 INFO L231 Difference]: Finished difference. Result has 137 places, 130 transitions, 281 flow [2024-10-24 15:34:19,260 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=181, PETRI_DIFFERENCE_MINUEND_FLOW=271, PETRI_DIFFERENCE_MINUEND_PLACES=132, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=130, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=125, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=281, PETRI_PLACES=137, PETRI_TRANSITIONS=130} [2024-10-24 15:34:19,260 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, -24 predicate places. [2024-10-24 15:34:19,261 INFO L471 AbstractCegarLoop]: Abstraction has has 137 places, 130 transitions, 281 flow [2024-10-24 15:34:19,262 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 136.5) internal successors, (819), 6 states have internal predecessors, (819), 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) [2024-10-24 15:34:19,262 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:34:19,262 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:34:19,262 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-24 15:34:19,263 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2024-10-24 15:34:19,263 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:34:19,263 INFO L85 PathProgramCache]: Analyzing trace with hash -1614376866, now seen corresponding path program 1 times [2024-10-24 15:34:19,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:34:19,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748958892] [2024-10-24 15:34:19,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:34:19,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:34:19,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:34:19,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:34:19,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:34:19,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748958892] [2024-10-24 15:34:19,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1748958892] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:34:19,298 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:34:19,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:34:19,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268464922] [2024-10-24 15:34:19,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:34:19,299 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:34:19,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:34:19,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:34:19,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:34:19,308 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 142 out of 181 [2024-10-24 15:34:19,309 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 137 places, 130 transitions, 281 flow. Second operand has 3 states, 3 states have (on average 143.33333333333334) internal successors, (430), 3 states have internal predecessors, (430), 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) [2024-10-24 15:34:19,309 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:34:19,309 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 142 of 181 [2024-10-24 15:34:19,309 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:34:19,341 INFO L124 PetriNetUnfolderBase]: 11/167 cut-off events. [2024-10-24 15:34:19,341 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2024-10-24 15:34:19,341 INFO L83 FinitePrefix]: Finished finitePrefix Result has 210 conditions, 167 events. 11/167 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 213 event pairs, 2 based on Foata normal form. 0/161 useless extension candidates. Maximal degree in co-relation 191. Up to 23 conditions per place. [2024-10-24 15:34:19,342 INFO L140 encePairwiseOnDemand]: 178/181 looper letters, 10 selfloop transitions, 2 changer transitions 0/129 dead transitions. [2024-10-24 15:34:19,342 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 129 transitions, 303 flow [2024-10-24 15:34:19,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:34:19,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:34:19,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 438 transitions. [2024-10-24 15:34:19,343 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8066298342541437 [2024-10-24 15:34:19,343 INFO L175 Difference]: Start difference. First operand has 137 places, 130 transitions, 281 flow. Second operand 3 states and 438 transitions. [2024-10-24 15:34:19,344 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 129 transitions, 303 flow [2024-10-24 15:34:19,344 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 133 places, 129 transitions, 293 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-24 15:34:19,345 INFO L231 Difference]: Finished difference. Result has 133 places, 129 transitions, 273 flow [2024-10-24 15:34:19,346 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=181, PETRI_DIFFERENCE_MINUEND_FLOW=269, PETRI_DIFFERENCE_MINUEND_PLACES=131, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=129, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=127, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=273, PETRI_PLACES=133, PETRI_TRANSITIONS=129} [2024-10-24 15:34:19,346 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, -28 predicate places. [2024-10-24 15:34:19,346 INFO L471 AbstractCegarLoop]: Abstraction has has 133 places, 129 transitions, 273 flow [2024-10-24 15:34:19,347 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 143.33333333333334) internal successors, (430), 3 states have internal predecessors, (430), 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) [2024-10-24 15:34:19,347 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:34:19,347 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:34:19,347 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-24 15:34:19,347 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2024-10-24 15:34:19,348 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:34:19,348 INFO L85 PathProgramCache]: Analyzing trace with hash -2009202915, now seen corresponding path program 1 times [2024-10-24 15:34:19,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:34:19,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25097982] [2024-10-24 15:34:19,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:34:19,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:34:19,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:34:19,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:34:19,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:34:19,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25097982] [2024-10-24 15:34:19,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [25097982] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:34:19,384 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:34:19,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:34:19,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913684683] [2024-10-24 15:34:19,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:34:19,384 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:34:19,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:34:19,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:34:19,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:34:19,392 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 145 out of 181 [2024-10-24 15:34:19,393 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 133 places, 129 transitions, 273 flow. Second operand has 3 states, 3 states have (on average 147.33333333333334) internal successors, (442), 3 states have internal predecessors, (442), 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) [2024-10-24 15:34:19,393 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:34:19,393 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 145 of 181 [2024-10-24 15:34:19,393 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:34:19,412 INFO L124 PetriNetUnfolderBase]: 11/165 cut-off events. [2024-10-24 15:34:19,412 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2024-10-24 15:34:19,413 INFO L83 FinitePrefix]: Finished finitePrefix Result has 203 conditions, 165 events. 11/165 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 212 event pairs, 2 based on Foata normal form. 2/161 useless extension candidates. Maximal degree in co-relation 152. Up to 21 conditions per place. [2024-10-24 15:34:19,413 INFO L140 encePairwiseOnDemand]: 179/181 looper letters, 0 selfloop transitions, 0 changer transitions 128/128 dead transitions. [2024-10-24 15:34:19,413 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 134 places, 128 transitions, 289 flow [2024-10-24 15:34:19,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:34:19,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:34:19,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 444 transitions. [2024-10-24 15:34:19,414 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8176795580110497 [2024-10-24 15:34:19,414 INFO L175 Difference]: Start difference. First operand has 133 places, 129 transitions, 273 flow. Second operand 3 states and 444 transitions. [2024-10-24 15:34:19,414 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 134 places, 128 transitions, 289 flow [2024-10-24 15:34:19,415 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 132 places, 128 transitions, 285 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:34:19,416 INFO L231 Difference]: Finished difference. Result has 132 places, 0 transitions, 0 flow [2024-10-24 15:34:19,416 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=181, PETRI_DIFFERENCE_MINUEND_FLOW=267, PETRI_DIFFERENCE_MINUEND_PLACES=130, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=128, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=128, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=132, PETRI_TRANSITIONS=0} [2024-10-24 15:34:19,416 INFO L277 CegarLoopForPetriNet]: 161 programPoint places, -29 predicate places. [2024-10-24 15:34:19,417 INFO L471 AbstractCegarLoop]: Abstraction has has 132 places, 0 transitions, 0 flow [2024-10-24 15:34:19,417 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 147.33333333333334) internal successors, (442), 3 states have internal predecessors, (442), 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) [2024-10-24 15:34:19,419 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (48 of 49 remaining) [2024-10-24 15:34:19,420 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (47 of 49 remaining) [2024-10-24 15:34:19,420 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (46 of 49 remaining) [2024-10-24 15:34:19,420 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (45 of 49 remaining) [2024-10-24 15:34:19,420 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (44 of 49 remaining) [2024-10-24 15:34:19,420 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (43 of 49 remaining) [2024-10-24 15:34:19,420 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (42 of 49 remaining) [2024-10-24 15:34:19,420 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (41 of 49 remaining) [2024-10-24 15:34:19,421 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (40 of 49 remaining) [2024-10-24 15:34:19,421 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (39 of 49 remaining) [2024-10-24 15:34:19,421 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (38 of 49 remaining) [2024-10-24 15:34:19,421 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (37 of 49 remaining) [2024-10-24 15:34:19,421 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (36 of 49 remaining) [2024-10-24 15:34:19,421 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (35 of 49 remaining) [2024-10-24 15:34:19,421 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (34 of 49 remaining) [2024-10-24 15:34:19,422 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (33 of 49 remaining) [2024-10-24 15:34:19,422 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (32 of 49 remaining) [2024-10-24 15:34:19,422 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (31 of 49 remaining) [2024-10-24 15:34:19,422 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (30 of 49 remaining) [2024-10-24 15:34:19,422 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (29 of 49 remaining) [2024-10-24 15:34:19,422 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (28 of 49 remaining) [2024-10-24 15:34:19,422 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (27 of 49 remaining) [2024-10-24 15:34:19,422 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (26 of 49 remaining) [2024-10-24 15:34:19,423 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (25 of 49 remaining) [2024-10-24 15:34:19,423 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (24 of 49 remaining) [2024-10-24 15:34:19,423 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (23 of 49 remaining) [2024-10-24 15:34:19,423 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (22 of 49 remaining) [2024-10-24 15:34:19,423 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (21 of 49 remaining) [2024-10-24 15:34:19,423 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (20 of 49 remaining) [2024-10-24 15:34:19,423 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (19 of 49 remaining) [2024-10-24 15:34:19,423 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (18 of 49 remaining) [2024-10-24 15:34:19,424 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (17 of 49 remaining) [2024-10-24 15:34:19,424 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (16 of 49 remaining) [2024-10-24 15:34:19,424 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (15 of 49 remaining) [2024-10-24 15:34:19,424 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (14 of 49 remaining) [2024-10-24 15:34:19,424 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (13 of 49 remaining) [2024-10-24 15:34:19,424 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (12 of 49 remaining) [2024-10-24 15:34:19,424 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (11 of 49 remaining) [2024-10-24 15:34:19,425 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (10 of 49 remaining) [2024-10-24 15:34:19,425 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (9 of 49 remaining) [2024-10-24 15:34:19,425 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (8 of 49 remaining) [2024-10-24 15:34:19,425 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (7 of 49 remaining) [2024-10-24 15:34:19,425 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (6 of 49 remaining) [2024-10-24 15:34:19,425 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (5 of 49 remaining) [2024-10-24 15:34:19,425 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (4 of 49 remaining) [2024-10-24 15:34:19,425 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (3 of 49 remaining) [2024-10-24 15:34:19,426 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (2 of 49 remaining) [2024-10-24 15:34:19,426 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (1 of 49 remaining) [2024-10-24 15:34:19,426 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (0 of 49 remaining) [2024-10-24 15:34:19,426 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-24 15:34:19,426 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:34:19,430 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-24 15:34:19,431 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-24 15:34:19,434 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 03:34:19 BasicIcfg [2024-10-24 15:34:19,435 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-24 15:34:19,435 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-24 15:34:19,435 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-24 15:34:19,435 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-24 15:34:19,436 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:34:17" (3/4) ... [2024-10-24 15:34:19,437 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-24 15:34:19,439 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-10-24 15:34:19,439 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-10-24 15:34:19,442 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-10-24 15:34:19,442 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-24 15:34:19,442 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-24 15:34:19,442 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-24 15:34:19,505 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-24 15:34:19,505 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-24 15:34:19,505 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-24 15:34:19,506 INFO L158 Benchmark]: Toolchain (without parser) took 3595.77ms. Allocated memory was 180.4MB in the beginning and 241.2MB in the end (delta: 60.8MB). Free memory was 139.4MB in the beginning and 161.9MB in the end (delta: -22.5MB). Peak memory consumption was 37.1MB. Max. memory is 16.1GB. [2024-10-24 15:34:19,506 INFO L158 Benchmark]: CDTParser took 0.08ms. Allocated memory is still 100.7MB. Free memory is still 71.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 15:34:19,506 INFO L158 Benchmark]: CACSL2BoogieTranslator took 275.70ms. Allocated memory is still 180.4MB. Free memory was 139.4MB in the beginning and 125.3MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-24 15:34:19,506 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.77ms. Allocated memory is still 180.4MB. Free memory was 125.3MB in the beginning and 122.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-24 15:34:19,506 INFO L158 Benchmark]: Boogie Preprocessor took 22.05ms. Allocated memory is still 180.4MB. Free memory was 122.9MB in the beginning and 121.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-24 15:34:19,507 INFO L158 Benchmark]: RCFGBuilder took 1071.57ms. Allocated memory is still 180.4MB. Free memory was 120.8MB in the beginning and 94.5MB in the end (delta: 26.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-10-24 15:34:19,507 INFO L158 Benchmark]: TraceAbstraction took 2107.30ms. Allocated memory was 180.4MB in the beginning and 241.2MB in the end (delta: 60.8MB). Free memory was 93.7MB in the beginning and 167.1MB in the end (delta: -73.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 15:34:19,507 INFO L158 Benchmark]: Witness Printer took 70.29ms. Allocated memory is still 241.2MB. Free memory was 167.1MB in the beginning and 161.9MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-24 15:34:19,508 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.08ms. Allocated memory is still 100.7MB. Free memory is still 71.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 275.70ms. Allocated memory is still 180.4MB. Free memory was 139.4MB in the beginning and 125.3MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.77ms. Allocated memory is still 180.4MB. Free memory was 125.3MB in the beginning and 122.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.05ms. Allocated memory is still 180.4MB. Free memory was 122.9MB in the beginning and 121.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1071.57ms. Allocated memory is still 180.4MB. Free memory was 120.8MB in the beginning and 94.5MB in the end (delta: 26.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 2107.30ms. Allocated memory was 180.4MB in the beginning and 241.2MB in the end (delta: 60.8MB). Free memory was 93.7MB in the beginning and 167.1MB in the end (delta: -73.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 70.29ms. Allocated memory is still 241.2MB. Free memory was 167.1MB in the beginning and 161.9MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: 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: 73]: 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: 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: 97]: 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: 85]: 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 5 procedures, 214 locations, 49 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: 2.0s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 141 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 46 mSDsluCounter, 43 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 17 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 269 IncrementalHoareTripleChecker+Invalid, 286 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17 mSolverCounterUnsat, 43 mSDtfsCounter, 269 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=336occurred in iteration=0, InterpolantAutomatonStates: 30, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 461 NumberOfCodeBlocks, 461 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 452 ConstructedInterpolants, 0 QuantifiedInterpolants, 583 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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 28 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-24 15:34:19,529 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE