./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/parallel-simple-equiv.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version a046e57d 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/parallel-simple-equiv.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 a4f450f56f6a40f7cfc1a45cb9347f1cca7ce4a1ac8bd0b5be45149fc02486ed --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 09:59:14,261 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 09:59:14,330 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-13 09:59:14,346 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 09:59:14,347 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 09:59:14,375 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 09:59:14,376 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 09:59:14,376 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 09:59:14,377 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 09:59:14,377 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 09:59:14,378 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 09:59:14,378 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 09:59:14,379 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 09:59:14,379 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 09:59:14,379 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 09:59:14,380 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 09:59:14,380 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 09:59:14,383 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 09:59:14,384 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 09:59:14,384 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 09:59:14,384 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 09:59:14,385 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 09:59:14,385 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-13 09:59:14,385 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 09:59:14,385 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 09:59:14,386 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 09:59:14,386 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 09:59:14,386 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 09:59:14,386 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 09:59:14,386 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 09:59:14,387 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 09:59:14,387 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 09:59:14,387 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 09:59:14,387 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 09:59:14,387 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 09:59:14,388 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 09:59:14,388 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 09:59:14,388 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 09:59:14,388 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 09:59:14,389 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 09:59:14,389 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 09:59:14,389 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a4f450f56f6a40f7cfc1a45cb9347f1cca7ce4a1ac8bd0b5be45149fc02486ed [2024-10-13 09:59:14,653 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 09:59:14,673 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 09:59:14,675 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 09:59:14,676 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 09:59:14,677 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 09:59:14,678 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/parallel-simple-equiv.wvr.c [2024-10-13 09:59:16,111 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 09:59:16,311 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 09:59:16,311 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/parallel-simple-equiv.wvr.c [2024-10-13 09:59:16,318 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a2cd59244/a7c6abe487b84495b1b2e88ebccea622/FLAG59d19f195 [2024-10-13 09:59:16,697 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a2cd59244/a7c6abe487b84495b1b2e88ebccea622 [2024-10-13 09:59:16,699 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 09:59:16,700 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 09:59:16,702 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 09:59:16,703 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 09:59:16,709 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 09:59:16,710 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:59:16" (1/1) ... [2024-10-13 09:59:16,711 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fbf5fed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:59:16, skipping insertion in model container [2024-10-13 09:59:16,711 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:59:16" (1/1) ... [2024-10-13 09:59:16,735 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 09:59:16,944 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 09:59:16,959 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 09:59:16,985 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 09:59:17,005 INFO L204 MainTranslator]: Completed translation [2024-10-13 09:59:17,005 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:59:17 WrapperNode [2024-10-13 09:59:17,005 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 09:59:17,007 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 09:59:17,007 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 09:59:17,007 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 09:59:17,014 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:59:17" (1/1) ... [2024-10-13 09:59:17,023 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:59:17" (1/1) ... [2024-10-13 09:59:17,047 INFO L138 Inliner]: procedures = 21, calls = 16, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 77 [2024-10-13 09:59:17,050 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 09:59:17,050 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 09:59:17,050 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 09:59:17,051 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 09:59:17,060 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:59:17" (1/1) ... [2024-10-13 09:59:17,061 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:59:17" (1/1) ... [2024-10-13 09:59:17,062 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:59:17" (1/1) ... [2024-10-13 09:59:17,064 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:59:17" (1/1) ... [2024-10-13 09:59:17,067 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:59:17" (1/1) ... [2024-10-13 09:59:17,073 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:59:17" (1/1) ... [2024-10-13 09:59:17,074 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:59:17" (1/1) ... [2024-10-13 09:59:17,075 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:59:17" (1/1) ... [2024-10-13 09:59:17,077 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 09:59:17,082 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 09:59:17,082 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 09:59:17,082 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 09:59:17,083 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:59:17" (1/1) ... [2024-10-13 09:59:17,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 09:59:17,103 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 09:59:17,120 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) [2024-10-13 09:59:17,123 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 [2024-10-13 09:59:17,163 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 09:59:17,163 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-13 09:59:17,164 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-13 09:59:17,164 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-13 09:59:17,164 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-13 09:59:17,165 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-10-13 09:59:17,165 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-10-13 09:59:17,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-13 09:59:17,165 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-13 09:59:17,165 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-13 09:59:17,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 09:59:17,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 09:59:17,167 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-13 09:59:17,262 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 09:59:17,264 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 09:59:17,477 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-13 09:59:17,478 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 09:59:17,539 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 09:59:17,539 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-13 09:59:17,540 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:59:17 BoogieIcfgContainer [2024-10-13 09:59:17,540 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 09:59:17,545 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 09:59:17,545 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 09:59:17,550 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 09:59:17,551 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:59:16" (1/3) ... [2024-10-13 09:59:17,552 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e1d4bd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:59:17, skipping insertion in model container [2024-10-13 09:59:17,552 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:59:17" (2/3) ... [2024-10-13 09:59:17,553 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e1d4bd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:59:17, skipping insertion in model container [2024-10-13 09:59:17,553 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:59:17" (3/3) ... [2024-10-13 09:59:17,554 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-simple-equiv.wvr.c [2024-10-13 09:59:17,572 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 09:59:17,572 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 19 error locations. [2024-10-13 09:59:17,572 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-13 09:59:17,664 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-10-13 09:59:17,734 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 157 places, 149 transitions, 319 flow [2024-10-13 09:59:17,817 INFO L124 PetriNetUnfolderBase]: 2/146 cut-off events. [2024-10-13 09:59:17,818 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-10-13 09:59:17,825 INFO L83 FinitePrefix]: Finished finitePrefix Result has 159 conditions, 146 events. 2/146 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 66 event pairs, 0 based on Foata normal form. 0/125 useless extension candidates. Maximal degree in co-relation 83. Up to 2 conditions per place. [2024-10-13 09:59:17,827 INFO L82 GeneralOperation]: Start removeDead. Operand has 157 places, 149 transitions, 319 flow [2024-10-13 09:59:17,835 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 138 places, 129 transitions, 276 flow [2024-10-13 09:59:17,845 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 09:59:17,851 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;@4b76c5af, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 09:59:17,852 INFO L334 AbstractCegarLoop]: Starting to check reachability of 34 error locations. [2024-10-13 09:59:17,857 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-13 09:59:17,858 INFO L124 PetriNetUnfolderBase]: 0/18 cut-off events. [2024-10-13 09:59:17,858 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-13 09:59:17,858 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:59:17,859 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 09:59:17,859 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 30 more)] === [2024-10-13 09:59:17,864 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:59:17,865 INFO L85 PathProgramCache]: Analyzing trace with hash -810049564, now seen corresponding path program 1 times [2024-10-13 09:59:17,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:59:17,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952846870] [2024-10-13 09:59:17,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:59:17,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:59:17,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:59:18,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:59:18,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:59:18,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952846870] [2024-10-13 09:59:18,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1952846870] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:59:18,034 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:59:18,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:59:18,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953476876] [2024-10-13 09:59:18,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:59:18,044 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:59:18,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:59:18,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:59:18,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:59:18,110 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 125 out of 149 [2024-10-13 09:59:18,117 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 138 places, 129 transitions, 276 flow. Second operand has 3 states, 3 states have (on average 126.33333333333333) internal successors, (379), 3 states have internal predecessors, (379), 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) [2024-10-13 09:59:18,118 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:59:18,118 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 125 of 149 [2024-10-13 09:59:18,120 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:59:18,180 INFO L124 PetriNetUnfolderBase]: 7/148 cut-off events. [2024-10-13 09:59:18,180 INFO L125 PetriNetUnfolderBase]: For 25/31 co-relation queries the response was YES. [2024-10-13 09:59:18,182 INFO L83 FinitePrefix]: Finished finitePrefix Result has 199 conditions, 148 events. 7/148 cut-off events. For 25/31 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 154 event pairs, 7 based on Foata normal form. 1/131 useless extension candidates. Maximal degree in co-relation 109. Up to 27 conditions per place. [2024-10-13 09:59:18,184 INFO L140 encePairwiseOnDemand]: 141/149 looper letters, 13 selfloop transitions, 2 changer transitions 1/123 dead transitions. [2024-10-13 09:59:18,185 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 135 places, 123 transitions, 294 flow [2024-10-13 09:59:18,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:59:18,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:59:18,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 396 transitions. [2024-10-13 09:59:18,204 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8859060402684564 [2024-10-13 09:59:18,208 INFO L175 Difference]: Start difference. First operand has 138 places, 129 transitions, 276 flow. Second operand 3 states and 396 transitions. [2024-10-13 09:59:18,209 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 135 places, 123 transitions, 294 flow [2024-10-13 09:59:18,213 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 129 places, 123 transitions, 282 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-10-13 09:59:18,218 INFO L231 Difference]: Finished difference. Result has 129 places, 122 transitions, 254 flow [2024-10-13 09:59:18,221 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=149, PETRI_DIFFERENCE_MINUEND_FLOW=252, PETRI_DIFFERENCE_MINUEND_PLACES=127, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=123, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=121, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=254, PETRI_PLACES=129, PETRI_TRANSITIONS=122} [2024-10-13 09:59:18,226 INFO L277 CegarLoopForPetriNet]: 138 programPoint places, -9 predicate places. [2024-10-13 09:59:18,228 INFO L471 AbstractCegarLoop]: Abstraction has has 129 places, 122 transitions, 254 flow [2024-10-13 09:59:18,229 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 126.33333333333333) internal successors, (379), 3 states have internal predecessors, (379), 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) [2024-10-13 09:59:18,229 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:59:18,229 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] [2024-10-13 09:59:18,230 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 09:59:18,230 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 30 more)] === [2024-10-13 09:59:18,232 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:59:18,232 INFO L85 PathProgramCache]: Analyzing trace with hash 578354275, now seen corresponding path program 1 times [2024-10-13 09:59:18,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:59:18,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862267525] [2024-10-13 09:59:18,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:59:18,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:59:18,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:59:18,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:59:18,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:59:18,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862267525] [2024-10-13 09:59:18,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [862267525] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:59:18,316 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:59:18,316 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:59:18,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172569890] [2024-10-13 09:59:18,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:59:18,318 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:59:18,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:59:18,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:59:18,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:59:18,377 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 121 out of 149 [2024-10-13 09:59:18,378 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 122 transitions, 254 flow. Second operand has 3 states, 3 states have (on average 122.33333333333333) internal successors, (367), 3 states have internal predecessors, (367), 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) [2024-10-13 09:59:18,378 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:59:18,378 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 121 of 149 [2024-10-13 09:59:18,378 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:59:18,460 INFO L124 PetriNetUnfolderBase]: 39/234 cut-off events. [2024-10-13 09:59:18,461 INFO L125 PetriNetUnfolderBase]: For 15/15 co-relation queries the response was YES. [2024-10-13 09:59:18,462 INFO L83 FinitePrefix]: Finished finitePrefix Result has 334 conditions, 234 events. 39/234 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 618 event pairs, 39 based on Foata normal form. 0/206 useless extension candidates. Maximal degree in co-relation 307. Up to 87 conditions per place. [2024-10-13 09:59:18,463 INFO L140 encePairwiseOnDemand]: 146/149 looper letters, 17 selfloop transitions, 2 changer transitions 0/121 dead transitions. [2024-10-13 09:59:18,464 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 121 transitions, 290 flow [2024-10-13 09:59:18,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:59:18,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:59:18,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 383 transitions. [2024-10-13 09:59:18,467 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8568232662192393 [2024-10-13 09:59:18,467 INFO L175 Difference]: Start difference. First operand has 129 places, 122 transitions, 254 flow. Second operand 3 states and 383 transitions. [2024-10-13 09:59:18,467 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 121 transitions, 290 flow [2024-10-13 09:59:18,469 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 127 places, 121 transitions, 286 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 09:59:18,471 INFO L231 Difference]: Finished difference. Result has 127 places, 121 transitions, 252 flow [2024-10-13 09:59:18,471 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=149, PETRI_DIFFERENCE_MINUEND_FLOW=248, PETRI_DIFFERENCE_MINUEND_PLACES=125, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=121, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=119, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=252, PETRI_PLACES=127, PETRI_TRANSITIONS=121} [2024-10-13 09:59:18,472 INFO L277 CegarLoopForPetriNet]: 138 programPoint places, -11 predicate places. [2024-10-13 09:59:18,475 INFO L471 AbstractCegarLoop]: Abstraction has has 127 places, 121 transitions, 252 flow [2024-10-13 09:59:18,475 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 122.33333333333333) internal successors, (367), 3 states have internal predecessors, (367), 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) [2024-10-13 09:59:18,475 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:59:18,476 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] [2024-10-13 09:59:18,476 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 09:59:18,477 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 30 more)] === [2024-10-13 09:59:18,477 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:59:18,479 INFO L85 PathProgramCache]: Analyzing trace with hash 74609380, now seen corresponding path program 1 times [2024-10-13 09:59:18,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:59:18,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695754216] [2024-10-13 09:59:18,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:59:18,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:59:18,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:59:18,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:59:18,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:59:18,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695754216] [2024-10-13 09:59:18,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1695754216] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:59:18,549 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:59:18,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:59:18,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669917372] [2024-10-13 09:59:18,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:59:18,550 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:59:18,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:59:18,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:59:18,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:59:18,592 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 123 out of 149 [2024-10-13 09:59:18,593 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 127 places, 121 transitions, 252 flow. Second operand has 3 states, 3 states have (on average 124.33333333333333) internal successors, (373), 3 states have internal predecessors, (373), 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) [2024-10-13 09:59:18,593 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:59:18,593 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 123 of 149 [2024-10-13 09:59:18,593 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:59:18,665 INFO L124 PetriNetUnfolderBase]: 39/233 cut-off events. [2024-10-13 09:59:18,666 INFO L125 PetriNetUnfolderBase]: For 15/15 co-relation queries the response was YES. [2024-10-13 09:59:18,667 INFO L83 FinitePrefix]: Finished finitePrefix Result has 331 conditions, 233 events. 39/233 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 644 event pairs, 39 based on Foata normal form. 0/206 useless extension candidates. Maximal degree in co-relation 297. Up to 85 conditions per place. [2024-10-13 09:59:18,669 INFO L140 encePairwiseOnDemand]: 146/149 looper letters, 15 selfloop transitions, 2 changer transitions 0/120 dead transitions. [2024-10-13 09:59:18,670 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 120 transitions, 284 flow [2024-10-13 09:59:18,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:59:18,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:59:18,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 387 transitions. [2024-10-13 09:59:18,672 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8657718120805369 [2024-10-13 09:59:18,672 INFO L175 Difference]: Start difference. First operand has 127 places, 121 transitions, 252 flow. Second operand 3 states and 387 transitions. [2024-10-13 09:59:18,673 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 128 places, 120 transitions, 284 flow [2024-10-13 09:59:18,674 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 126 places, 120 transitions, 280 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 09:59:18,677 INFO L231 Difference]: Finished difference. Result has 126 places, 120 transitions, 250 flow [2024-10-13 09:59:18,678 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=149, PETRI_DIFFERENCE_MINUEND_FLOW=246, PETRI_DIFFERENCE_MINUEND_PLACES=124, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=120, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=118, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=250, PETRI_PLACES=126, PETRI_TRANSITIONS=120} [2024-10-13 09:59:18,679 INFO L277 CegarLoopForPetriNet]: 138 programPoint places, -12 predicate places. [2024-10-13 09:59:18,679 INFO L471 AbstractCegarLoop]: Abstraction has has 126 places, 120 transitions, 250 flow [2024-10-13 09:59:18,680 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 124.33333333333333) internal successors, (373), 3 states have internal predecessors, (373), 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) [2024-10-13 09:59:18,680 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:59:18,680 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] [2024-10-13 09:59:18,681 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-13 09:59:18,681 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 30 more)] === [2024-10-13 09:59:18,682 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:59:18,682 INFO L85 PathProgramCache]: Analyzing trace with hash -822671195, now seen corresponding path program 1 times [2024-10-13 09:59:18,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:59:18,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772319765] [2024-10-13 09:59:18,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:59:18,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:59:18,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:59:18,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:59:18,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:59:18,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772319765] [2024-10-13 09:59:18,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [772319765] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:59:18,747 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:59:18,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:59:18,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537303309] [2024-10-13 09:59:18,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:59:18,748 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:59:18,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:59:18,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:59:18,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:59:18,767 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 149 [2024-10-13 09:59:18,768 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 126 places, 120 transitions, 250 flow. Second operand has 3 states, 3 states have (on average 128.0) internal successors, (384), 3 states have internal predecessors, (384), 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) [2024-10-13 09:59:18,768 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:59:18,768 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 149 [2024-10-13 09:59:18,768 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:59:18,804 INFO L124 PetriNetUnfolderBase]: 7/143 cut-off events. [2024-10-13 09:59:18,805 INFO L125 PetriNetUnfolderBase]: For 4/10 co-relation queries the response was YES. [2024-10-13 09:59:18,806 INFO L83 FinitePrefix]: Finished finitePrefix Result has 181 conditions, 143 events. 7/143 cut-off events. For 4/10 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 149 event pairs, 1 based on Foata normal form. 1/133 useless extension candidates. Maximal degree in co-relation 140. Up to 20 conditions per place. [2024-10-13 09:59:18,806 INFO L140 encePairwiseOnDemand]: 143/149 looper letters, 13 selfloop transitions, 4 changer transitions 0/122 dead transitions. [2024-10-13 09:59:18,806 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 126 places, 122 transitions, 290 flow [2024-10-13 09:59:18,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:59:18,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:59:18,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 400 transitions. [2024-10-13 09:59:18,809 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8948545861297539 [2024-10-13 09:59:18,809 INFO L175 Difference]: Start difference. First operand has 126 places, 120 transitions, 250 flow. Second operand 3 states and 400 transitions. [2024-10-13 09:59:18,809 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 126 places, 122 transitions, 290 flow [2024-10-13 09:59:18,810 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 122 transitions, 286 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 09:59:18,815 INFO L231 Difference]: Finished difference. Result has 125 places, 120 transitions, 262 flow [2024-10-13 09:59:18,815 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=149, PETRI_DIFFERENCE_MINUEND_FLOW=242, PETRI_DIFFERENCE_MINUEND_PLACES=122, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=118, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=114, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=262, PETRI_PLACES=125, PETRI_TRANSITIONS=120} [2024-10-13 09:59:18,816 INFO L277 CegarLoopForPetriNet]: 138 programPoint places, -13 predicate places. [2024-10-13 09:59:18,816 INFO L471 AbstractCegarLoop]: Abstraction has has 125 places, 120 transitions, 262 flow [2024-10-13 09:59:18,819 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 128.0) internal successors, (384), 3 states have internal predecessors, (384), 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) [2024-10-13 09:59:18,819 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:59:18,819 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] [2024-10-13 09:59:18,820 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-13 09:59:18,820 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 30 more)] === [2024-10-13 09:59:18,820 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:59:18,820 INFO L85 PathProgramCache]: Analyzing trace with hash -313028534, now seen corresponding path program 1 times [2024-10-13 09:59:18,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:59:18,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053708081] [2024-10-13 09:59:18,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:59:18,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:59:18,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:59:18,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:59:18,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:59:18,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053708081] [2024-10-13 09:59:18,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2053708081] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:59:18,870 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:59:18,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:59:18,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087513116] [2024-10-13 09:59:18,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:59:18,870 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:59:18,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:59:18,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:59:18,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:59:18,903 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 119 out of 149 [2024-10-13 09:59:18,904 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 125 places, 120 transitions, 262 flow. Second operand has 3 states, 3 states have (on average 120.0) internal successors, (360), 3 states have internal predecessors, (360), 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) [2024-10-13 09:59:18,904 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:59:18,904 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 119 of 149 [2024-10-13 09:59:18,905 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:59:18,979 INFO L124 PetriNetUnfolderBase]: 55/411 cut-off events. [2024-10-13 09:59:18,979 INFO L125 PetriNetUnfolderBase]: For 58/58 co-relation queries the response was YES. [2024-10-13 09:59:18,981 INFO L83 FinitePrefix]: Finished finitePrefix Result has 596 conditions, 411 events. 55/411 cut-off events. For 58/58 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1696 event pairs, 33 based on Foata normal form. 1/364 useless extension candidates. Maximal degree in co-relation 283. Up to 83 conditions per place. [2024-10-13 09:59:18,985 INFO L140 encePairwiseOnDemand]: 140/149 looper letters, 20 selfloop transitions, 4 changer transitions 4/122 dead transitions. [2024-10-13 09:59:18,985 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 122 transitions, 330 flow [2024-10-13 09:59:18,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:59:18,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:59:18,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 383 transitions. [2024-10-13 09:59:18,987 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8568232662192393 [2024-10-13 09:59:18,987 INFO L175 Difference]: Start difference. First operand has 125 places, 120 transitions, 262 flow. Second operand 3 states and 383 transitions. [2024-10-13 09:59:18,987 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 123 places, 122 transitions, 330 flow [2024-10-13 09:59:18,988 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 122 places, 122 transitions, 324 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-13 09:59:18,991 INFO L231 Difference]: Finished difference. Result has 122 places, 112 transitions, 247 flow [2024-10-13 09:59:18,991 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=149, PETRI_DIFFERENCE_MINUEND_FLOW=250, PETRI_DIFFERENCE_MINUEND_PLACES=120, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=116, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=112, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=247, PETRI_PLACES=122, PETRI_TRANSITIONS=112} [2024-10-13 09:59:18,993 INFO L277 CegarLoopForPetriNet]: 138 programPoint places, -16 predicate places. [2024-10-13 09:59:18,994 INFO L471 AbstractCegarLoop]: Abstraction has has 122 places, 112 transitions, 247 flow [2024-10-13 09:59:18,994 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 120.0) internal successors, (360), 3 states have internal predecessors, (360), 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) [2024-10-13 09:59:18,995 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:59:18,995 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] [2024-10-13 09:59:18,995 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-13 09:59:18,995 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread3Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 30 more)] === [2024-10-13 09:59:18,996 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:59:18,996 INFO L85 PathProgramCache]: Analyzing trace with hash 1466078270, now seen corresponding path program 1 times [2024-10-13 09:59:18,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:59:18,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141509077] [2024-10-13 09:59:18,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:59:18,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:59:19,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:59:19,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:59:19,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:59:19,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141509077] [2024-10-13 09:59:19,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141509077] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:59:19,090 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:59:19,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:59:19,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918009622] [2024-10-13 09:59:19,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:59:19,092 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:59:19,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:59:19,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:59:19,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:59:19,125 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 125 out of 149 [2024-10-13 09:59:19,126 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 112 transitions, 247 flow. Second operand has 3 states, 3 states have (on average 127.33333333333333) internal successors, (382), 3 states have internal predecessors, (382), 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) [2024-10-13 09:59:19,126 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:59:19,126 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 125 of 149 [2024-10-13 09:59:19,126 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:59:19,189 INFO L124 PetriNetUnfolderBase]: 63/390 cut-off events. [2024-10-13 09:59:19,190 INFO L125 PetriNetUnfolderBase]: For 63/63 co-relation queries the response was YES. [2024-10-13 09:59:19,213 INFO L83 FinitePrefix]: Finished finitePrefix Result has 595 conditions, 390 events. 63/390 cut-off events. For 63/63 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1570 event pairs, 40 based on Foata normal form. 0/348 useless extension candidates. Maximal degree in co-relation 312. Up to 97 conditions per place. [2024-10-13 09:59:19,214 INFO L140 encePairwiseOnDemand]: 146/149 looper letters, 21 selfloop transitions, 2 changer transitions 0/117 dead transitions. [2024-10-13 09:59:19,214 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 119 places, 117 transitions, 313 flow [2024-10-13 09:59:19,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:59:19,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:59:19,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 395 transitions. [2024-10-13 09:59:19,216 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.883668903803132 [2024-10-13 09:59:19,217 INFO L175 Difference]: Start difference. First operand has 122 places, 112 transitions, 247 flow. Second operand 3 states and 395 transitions. [2024-10-13 09:59:19,218 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 119 places, 117 transitions, 313 flow [2024-10-13 09:59:19,219 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 117 places, 117 transitions, 305 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 09:59:19,223 INFO L231 Difference]: Finished difference. Result has 117 places, 111 transitions, 241 flow [2024-10-13 09:59:19,227 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=149, PETRI_DIFFERENCE_MINUEND_FLOW=237, PETRI_DIFFERENCE_MINUEND_PLACES=115, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=111, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=109, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=241, PETRI_PLACES=117, PETRI_TRANSITIONS=111} [2024-10-13 09:59:19,228 INFO L277 CegarLoopForPetriNet]: 138 programPoint places, -21 predicate places. [2024-10-13 09:59:19,228 INFO L471 AbstractCegarLoop]: Abstraction has has 117 places, 111 transitions, 241 flow [2024-10-13 09:59:19,229 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 127.33333333333333) internal successors, (382), 3 states have internal predecessors, (382), 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) [2024-10-13 09:59:19,229 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:59:19,229 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] [2024-10-13 09:59:19,229 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-13 09:59:19,229 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread3Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 30 more)] === [2024-10-13 09:59:19,229 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:59:19,229 INFO L85 PathProgramCache]: Analyzing trace with hash 415697836, now seen corresponding path program 1 times [2024-10-13 09:59:19,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:59:19,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002521749] [2024-10-13 09:59:19,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:59:19,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:59:19,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:59:19,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:59:19,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:59:19,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002521749] [2024-10-13 09:59:19,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1002521749] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:59:19,350 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:59:19,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:59:19,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92110630] [2024-10-13 09:59:19,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:59:19,351 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:59:19,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:59:19,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:59:19,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:59:19,391 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 125 out of 149 [2024-10-13 09:59:19,392 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 117 places, 111 transitions, 241 flow. Second operand has 3 states, 3 states have (on average 127.33333333333333) internal successors, (382), 3 states have internal predecessors, (382), 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) [2024-10-13 09:59:19,392 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:59:19,392 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 125 of 149 [2024-10-13 09:59:19,392 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:59:19,445 INFO L124 PetriNetUnfolderBase]: 55/340 cut-off events. [2024-10-13 09:59:19,445 INFO L125 PetriNetUnfolderBase]: For 60/60 co-relation queries the response was YES. [2024-10-13 09:59:19,446 INFO L83 FinitePrefix]: Finished finitePrefix Result has 511 conditions, 340 events. 55/340 cut-off events. For 60/60 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1238 event pairs, 19 based on Foata normal form. 0/314 useless extension candidates. Maximal degree in co-relation 345. Up to 60 conditions per place. [2024-10-13 09:59:19,447 INFO L140 encePairwiseOnDemand]: 144/149 looper letters, 19 selfloop transitions, 3 changer transitions 0/115 dead transitions. [2024-10-13 09:59:19,447 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 115 transitions, 303 flow [2024-10-13 09:59:19,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:59:19,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:59:19,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 395 transitions. [2024-10-13 09:59:19,449 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.883668903803132 [2024-10-13 09:59:19,449 INFO L175 Difference]: Start difference. First operand has 117 places, 111 transitions, 241 flow. Second operand 3 states and 395 transitions. [2024-10-13 09:59:19,449 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 117 places, 115 transitions, 303 flow [2024-10-13 09:59:19,450 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 115 places, 115 transitions, 299 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 09:59:19,452 INFO L231 Difference]: Finished difference. Result has 115 places, 109 transitions, 239 flow [2024-10-13 09:59:19,452 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=149, PETRI_DIFFERENCE_MINUEND_FLOW=233, PETRI_DIFFERENCE_MINUEND_PLACES=113, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=109, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=106, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=239, PETRI_PLACES=115, PETRI_TRANSITIONS=109} [2024-10-13 09:59:19,453 INFO L277 CegarLoopForPetriNet]: 138 programPoint places, -23 predicate places. [2024-10-13 09:59:19,453 INFO L471 AbstractCegarLoop]: Abstraction has has 115 places, 109 transitions, 239 flow [2024-10-13 09:59:19,453 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 127.33333333333333) internal successors, (382), 3 states have internal predecessors, (382), 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) [2024-10-13 09:59:19,454 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:59:19,454 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] [2024-10-13 09:59:19,454 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-13 09:59:19,454 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread3Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 30 more)] === [2024-10-13 09:59:19,455 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:59:19,455 INFO L85 PathProgramCache]: Analyzing trace with hash 41639087, now seen corresponding path program 1 times [2024-10-13 09:59:19,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:59:19,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515453647] [2024-10-13 09:59:19,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:59:19,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:59:19,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:59:19,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:59:19,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:59:19,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515453647] [2024-10-13 09:59:19,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [515453647] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:59:19,524 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:59:19,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:59:19,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846517290] [2024-10-13 09:59:19,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:59:19,525 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:59:19,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:59:19,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:59:19,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:59:19,568 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 123 out of 149 [2024-10-13 09:59:19,569 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 115 places, 109 transitions, 239 flow. Second operand has 3 states, 3 states have (on average 126.0) internal successors, (378), 3 states have internal predecessors, (378), 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) [2024-10-13 09:59:19,569 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:59:19,570 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 123 of 149 [2024-10-13 09:59:19,570 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:59:19,620 INFO L124 PetriNetUnfolderBase]: 63/341 cut-off events. [2024-10-13 09:59:19,621 INFO L125 PetriNetUnfolderBase]: For 61/61 co-relation queries the response was YES. [2024-10-13 09:59:19,622 INFO L83 FinitePrefix]: Finished finitePrefix Result has 540 conditions, 341 events. 63/341 cut-off events. For 61/61 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1257 event pairs, 40 based on Foata normal form. 0/318 useless extension candidates. Maximal degree in co-relation 255. Up to 98 conditions per place. [2024-10-13 09:59:19,623 INFO L140 encePairwiseOnDemand]: 146/149 looper letters, 22 selfloop transitions, 2 changer transitions 0/114 dead transitions. [2024-10-13 09:59:19,623 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 116 places, 114 transitions, 307 flow [2024-10-13 09:59:19,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:59:19,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:59:19,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 390 transitions. [2024-10-13 09:59:19,625 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.87248322147651 [2024-10-13 09:59:19,626 INFO L175 Difference]: Start difference. First operand has 115 places, 109 transitions, 239 flow. Second operand 3 states and 390 transitions. [2024-10-13 09:59:19,626 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 116 places, 114 transitions, 307 flow [2024-10-13 09:59:19,627 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 114 places, 114 transitions, 301 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 09:59:19,629 INFO L231 Difference]: Finished difference. Result has 114 places, 108 transitions, 235 flow [2024-10-13 09:59:19,629 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=149, PETRI_DIFFERENCE_MINUEND_FLOW=231, PETRI_DIFFERENCE_MINUEND_PLACES=112, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=108, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=106, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=235, PETRI_PLACES=114, PETRI_TRANSITIONS=108} [2024-10-13 09:59:19,630 INFO L277 CegarLoopForPetriNet]: 138 programPoint places, -24 predicate places. [2024-10-13 09:59:19,630 INFO L471 AbstractCegarLoop]: Abstraction has has 114 places, 108 transitions, 235 flow [2024-10-13 09:59:19,631 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 126.0) internal successors, (378), 3 states have internal predecessors, (378), 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) [2024-10-13 09:59:19,631 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:59:19,631 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] [2024-10-13 09:59:19,631 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-13 09:59:19,632 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread3Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 30 more)] === [2024-10-13 09:59:19,632 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:59:19,632 INFO L85 PathProgramCache]: Analyzing trace with hash -573758521, now seen corresponding path program 1 times [2024-10-13 09:59:19,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:59:19,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161429057] [2024-10-13 09:59:19,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:59:19,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:59:19,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:59:19,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:59:19,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:59:19,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [161429057] [2024-10-13 09:59:19,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [161429057] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:59:19,693 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:59:19,693 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:59:19,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047248117] [2024-10-13 09:59:19,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:59:19,694 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:59:19,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:59:19,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:59:19,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:59:19,732 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 125 out of 149 [2024-10-13 09:59:19,733 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 114 places, 108 transitions, 235 flow. Second operand has 3 states, 3 states have (on average 128.0) internal successors, (384), 3 states have internal predecessors, (384), 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) [2024-10-13 09:59:19,733 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:59:19,733 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 125 of 149 [2024-10-13 09:59:19,733 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:59:19,780 INFO L124 PetriNetUnfolderBase]: 63/306 cut-off events. [2024-10-13 09:59:19,780 INFO L125 PetriNetUnfolderBase]: For 59/59 co-relation queries the response was YES. [2024-10-13 09:59:19,782 INFO L83 FinitePrefix]: Finished finitePrefix Result has 491 conditions, 306 events. 63/306 cut-off events. For 59/59 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1045 event pairs, 40 based on Foata normal form. 0/285 useless extension candidates. Maximal degree in co-relation 282. Up to 97 conditions per place. [2024-10-13 09:59:19,783 INFO L140 encePairwiseOnDemand]: 146/149 looper letters, 21 selfloop transitions, 2 changer transitions 0/113 dead transitions. [2024-10-13 09:59:19,784 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 115 places, 113 transitions, 301 flow [2024-10-13 09:59:19,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:59:19,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:59:19,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 395 transitions. [2024-10-13 09:59:19,786 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.883668903803132 [2024-10-13 09:59:19,786 INFO L175 Difference]: Start difference. First operand has 114 places, 108 transitions, 235 flow. Second operand 3 states and 395 transitions. [2024-10-13 09:59:19,786 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 115 places, 113 transitions, 301 flow [2024-10-13 09:59:19,787 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 113 places, 113 transitions, 297 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 09:59:19,789 INFO L231 Difference]: Finished difference. Result has 113 places, 107 transitions, 233 flow [2024-10-13 09:59:19,789 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=149, PETRI_DIFFERENCE_MINUEND_FLOW=229, PETRI_DIFFERENCE_MINUEND_PLACES=111, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=107, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=105, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=233, PETRI_PLACES=113, PETRI_TRANSITIONS=107} [2024-10-13 09:59:19,790 INFO L277 CegarLoopForPetriNet]: 138 programPoint places, -25 predicate places. [2024-10-13 09:59:19,790 INFO L471 AbstractCegarLoop]: Abstraction has has 113 places, 107 transitions, 233 flow [2024-10-13 09:59:19,791 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 128.0) internal successors, (384), 3 states have internal predecessors, (384), 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) [2024-10-13 09:59:19,791 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:59:19,791 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] [2024-10-13 09:59:19,791 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-13 09:59:19,791 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread3Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 30 more)] === [2024-10-13 09:59:19,792 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:59:19,792 INFO L85 PathProgramCache]: Analyzing trace with hash -2007993768, now seen corresponding path program 1 times [2024-10-13 09:59:19,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:59:19,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23448786] [2024-10-13 09:59:19,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:59:19,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:59:19,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:59:19,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:59:19,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:59:19,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23448786] [2024-10-13 09:59:19,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [23448786] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:59:19,857 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:59:19,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:59:19,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26580196] [2024-10-13 09:59:19,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:59:19,858 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:59:19,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:59:19,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:59:19,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:59:19,893 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 123 out of 149 [2024-10-13 09:59:19,894 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 113 places, 107 transitions, 233 flow. Second operand has 3 states, 3 states have (on average 126.66666666666667) internal successors, (380), 3 states have internal predecessors, (380), 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) [2024-10-13 09:59:19,894 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:59:19,894 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 123 of 149 [2024-10-13 09:59:19,894 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:59:19,935 INFO L124 PetriNetUnfolderBase]: 63/271 cut-off events. [2024-10-13 09:59:19,935 INFO L125 PetriNetUnfolderBase]: For 57/57 co-relation queries the response was YES. [2024-10-13 09:59:19,935 INFO L83 FinitePrefix]: Finished finitePrefix Result has 457 conditions, 271 events. 63/271 cut-off events. For 57/57 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 844 event pairs, 40 based on Foata normal form. 0/255 useless extension candidates. Maximal degree in co-relation 283. Up to 98 conditions per place. [2024-10-13 09:59:19,936 INFO L140 encePairwiseOnDemand]: 146/149 looper letters, 0 selfloop transitions, 0 changer transitions 112/112 dead transitions. [2024-10-13 09:59:19,936 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 114 places, 112 transitions, 301 flow [2024-10-13 09:59:19,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:59:19,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:59:19,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 390 transitions. [2024-10-13 09:59:19,937 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.87248322147651 [2024-10-13 09:59:19,938 INFO L175 Difference]: Start difference. First operand has 113 places, 107 transitions, 233 flow. Second operand 3 states and 390 transitions. [2024-10-13 09:59:19,938 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 114 places, 112 transitions, 301 flow [2024-10-13 09:59:19,939 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 112 places, 112 transitions, 297 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 09:59:19,939 INFO L231 Difference]: Finished difference. Result has 112 places, 0 transitions, 0 flow [2024-10-13 09:59:19,940 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=149, PETRI_DIFFERENCE_MINUEND_FLOW=227, PETRI_DIFFERENCE_MINUEND_PLACES=110, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=106, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=106, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=112, PETRI_TRANSITIONS=0} [2024-10-13 09:59:19,942 INFO L277 CegarLoopForPetriNet]: 138 programPoint places, -26 predicate places. [2024-10-13 09:59:19,942 INFO L471 AbstractCegarLoop]: Abstraction has has 112 places, 0 transitions, 0 flow [2024-10-13 09:59:19,942 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 126.66666666666667) internal successors, (380), 3 states have internal predecessors, (380), 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) [2024-10-13 09:59:19,945 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (33 of 34 remaining) [2024-10-13 09:59:19,945 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (32 of 34 remaining) [2024-10-13 09:59:19,947 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (31 of 34 remaining) [2024-10-13 09:59:19,947 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (30 of 34 remaining) [2024-10-13 09:59:19,947 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (29 of 34 remaining) [2024-10-13 09:59:19,947 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (28 of 34 remaining) [2024-10-13 09:59:19,948 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (27 of 34 remaining) [2024-10-13 09:59:19,948 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (26 of 34 remaining) [2024-10-13 09:59:19,948 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (25 of 34 remaining) [2024-10-13 09:59:19,948 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (24 of 34 remaining) [2024-10-13 09:59:19,948 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (23 of 34 remaining) [2024-10-13 09:59:19,948 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (22 of 34 remaining) [2024-10-13 09:59:19,948 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (21 of 34 remaining) [2024-10-13 09:59:19,948 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (20 of 34 remaining) [2024-10-13 09:59:19,948 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (19 of 34 remaining) [2024-10-13 09:59:19,948 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (18 of 34 remaining) [2024-10-13 09:59:19,949 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (17 of 34 remaining) [2024-10-13 09:59:19,949 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (16 of 34 remaining) [2024-10-13 09:59:19,949 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (15 of 34 remaining) [2024-10-13 09:59:19,949 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (14 of 34 remaining) [2024-10-13 09:59:19,949 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (13 of 34 remaining) [2024-10-13 09:59:19,951 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 34 remaining) [2024-10-13 09:59:19,951 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (11 of 34 remaining) [2024-10-13 09:59:19,951 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (10 of 34 remaining) [2024-10-13 09:59:19,951 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (9 of 34 remaining) [2024-10-13 09:59:19,951 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (8 of 34 remaining) [2024-10-13 09:59:19,951 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (7 of 34 remaining) [2024-10-13 09:59:19,951 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (6 of 34 remaining) [2024-10-13 09:59:19,951 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (5 of 34 remaining) [2024-10-13 09:59:19,951 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (4 of 34 remaining) [2024-10-13 09:59:19,952 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (3 of 34 remaining) [2024-10-13 09:59:19,952 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (2 of 34 remaining) [2024-10-13 09:59:19,952 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (1 of 34 remaining) [2024-10-13 09:59:19,952 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (0 of 34 remaining) [2024-10-13 09:59:19,952 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-13 09:59:19,952 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 09:59:19,962 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-13 09:59:19,963 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-13 09:59:19,969 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 09:59:19 BasicIcfg [2024-10-13 09:59:19,969 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-13 09:59:19,969 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-13 09:59:19,969 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-13 09:59:19,970 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-13 09:59:19,970 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:59:17" (3/4) ... [2024-10-13 09:59:19,972 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-13 09:59:19,975 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-10-13 09:59:19,975 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-10-13 09:59:19,975 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-10-13 09:59:19,980 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-10-13 09:59:19,981 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-13 09:59:19,981 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-13 09:59:19,982 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-13 09:59:20,075 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-13 09:59:20,076 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-13 09:59:20,076 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-13 09:59:20,076 INFO L158 Benchmark]: Toolchain (without parser) took 3375.96ms. Allocated memory was 176.2MB in the beginning and 228.6MB in the end (delta: 52.4MB). Free memory was 119.1MB in the beginning and 79.4MB in the end (delta: 39.7MB). Peak memory consumption was 92.5MB. Max. memory is 16.1GB. [2024-10-13 09:59:20,079 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 176.2MB. Free memory is still 138.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 09:59:20,079 INFO L158 Benchmark]: CACSL2BoogieTranslator took 304.07ms. Allocated memory is still 176.2MB. Free memory was 119.1MB in the beginning and 105.9MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-13 09:59:20,079 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.22ms. Allocated memory is still 176.2MB. Free memory was 105.9MB in the beginning and 103.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 09:59:20,080 INFO L158 Benchmark]: Boogie Preprocessor took 27.05ms. Allocated memory is still 176.2MB. Free memory was 103.9MB in the beginning and 102.8MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 09:59:20,080 INFO L158 Benchmark]: RCFGBuilder took 458.03ms. Allocated memory is still 176.2MB. Free memory was 102.8MB in the beginning and 83.5MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-10-13 09:59:20,080 INFO L158 Benchmark]: TraceAbstraction took 2423.65ms. Allocated memory was 176.2MB in the beginning and 228.6MB in the end (delta: 52.4MB). Free memory was 83.0MB in the beginning and 84.7MB in the end (delta: -1.7MB). Peak memory consumption was 50.6MB. Max. memory is 16.1GB. [2024-10-13 09:59:20,080 INFO L158 Benchmark]: Witness Printer took 106.58ms. Allocated memory is still 228.6MB. Free memory was 84.7MB in the beginning and 79.4MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-13 09:59:20,082 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 176.2MB. Free memory is still 138.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 304.07ms. Allocated memory is still 176.2MB. Free memory was 119.1MB in the beginning and 105.9MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.22ms. Allocated memory is still 176.2MB. Free memory was 105.9MB in the beginning and 103.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.05ms. Allocated memory is still 176.2MB. Free memory was 103.9MB in the beginning and 102.8MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 458.03ms. Allocated memory is still 176.2MB. Free memory was 102.8MB in the beginning and 83.5MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 2423.65ms. Allocated memory was 176.2MB in the beginning and 228.6MB in the end (delta: 52.4MB). Free memory was 83.0MB in the beginning and 84.7MB in the end (delta: -1.7MB). Peak memory consumption was 50.6MB. Max. memory is 16.1GB. * Witness Printer took 106.58ms. Allocated memory is still 228.6MB. Free memory was 84.7MB in the beginning and 79.4MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 205 locations, 34 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: 2.2s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 361 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 122 mSDsluCounter, 66 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 29 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 436 IncrementalHoareTripleChecker+Invalid, 465 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 29 mSolverCounterUnsat, 66 mSDtfsCounter, 436 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=276occurred 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, 0.5s InterpolantComputationTime, 539 NumberOfCodeBlocks, 539 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 529 ConstructedInterpolants, 0 QuantifiedInterpolants, 549 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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 19 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-13 09:59:20,112 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE