./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/pthread-wmm/safe026_tso.i --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/pthread-wmm/safe026_tso.i -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 80799f6c8fd7356eb24d2cdce2b9813d505d1c320a66d664e71d3261c3c21a3d --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 09:43:56,820 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 09:43:56,899 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-13 09:43:56,903 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 09:43:56,903 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 09:43:56,939 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 09:43:56,940 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 09:43:56,940 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 09:43:56,941 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 09:43:56,942 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 09:43:56,943 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 09:43:56,944 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 09:43:56,945 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 09:43:56,945 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 09:43:56,945 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 09:43:56,945 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 09:43:56,946 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 09:43:56,946 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 09:43:56,946 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 09:43:56,947 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 09:43:56,947 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 09:43:56,951 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 09:43:56,952 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-13 09:43:56,952 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 09:43:56,952 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 09:43:56,952 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 09:43:56,953 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 09:43:56,953 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 09:43:56,953 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 09:43:56,953 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 09:43:56,954 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 09:43:56,954 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 09:43:56,954 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 09:43:56,954 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 09:43:56,955 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 09:43:56,955 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 09:43:56,957 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 09:43:56,957 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 09:43:56,957 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 09:43:56,957 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 09:43:56,958 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 09:43:56,958 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 80799f6c8fd7356eb24d2cdce2b9813d505d1c320a66d664e71d3261c3c21a3d [2024-10-13 09:43:57,211 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 09:43:57,234 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 09:43:57,237 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 09:43:57,238 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 09:43:57,239 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 09:43:57,241 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe026_tso.i [2024-10-13 09:43:58,766 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 09:43:59,032 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 09:43:59,034 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe026_tso.i [2024-10-13 09:43:59,064 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/117868b32/3bb8c6a2e4e946229c5ee9ae8d221ac1/FLAG214e56f4b [2024-10-13 09:43:59,088 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/117868b32/3bb8c6a2e4e946229c5ee9ae8d221ac1 [2024-10-13 09:43:59,090 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 09:43:59,091 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 09:43:59,093 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 09:43:59,093 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 09:43:59,099 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 09:43:59,100 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:43:59" (1/1) ... [2024-10-13 09:43:59,100 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47bbec2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:43:59, skipping insertion in model container [2024-10-13 09:43:59,101 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:43:59" (1/1) ... [2024-10-13 09:43:59,152 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 09:43:59,582 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 09:43:59,595 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 09:43:59,652 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 09:43:59,691 INFO L204 MainTranslator]: Completed translation [2024-10-13 09:43:59,692 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:43:59 WrapperNode [2024-10-13 09:43:59,692 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 09:43:59,693 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 09:43:59,694 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 09:43:59,694 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 09:43:59,701 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:43:59" (1/1) ... [2024-10-13 09:43:59,714 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:43:59" (1/1) ... [2024-10-13 09:43:59,739 INFO L138 Inliner]: procedures = 175, calls = 40, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 87 [2024-10-13 09:43:59,739 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 09:43:59,740 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 09:43:59,741 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 09:43:59,741 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 09:43:59,749 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:43:59" (1/1) ... [2024-10-13 09:43:59,749 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:43:59" (1/1) ... [2024-10-13 09:43:59,754 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:43:59" (1/1) ... [2024-10-13 09:43:59,758 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:43:59" (1/1) ... [2024-10-13 09:43:59,763 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:43:59" (1/1) ... [2024-10-13 09:43:59,769 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:43:59" (1/1) ... [2024-10-13 09:43:59,771 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:43:59" (1/1) ... [2024-10-13 09:43:59,772 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:43:59" (1/1) ... [2024-10-13 09:43:59,775 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 09:43:59,775 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 09:43:59,776 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 09:43:59,776 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 09:43:59,776 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:43:59" (1/1) ... [2024-10-13 09:43:59,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 09:43:59,802 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 09:43:59,823 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 09:43:59,829 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 09:43:59,869 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-13 09:43:59,869 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 09:43:59,870 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-10-13 09:43:59,870 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-10-13 09:43:59,870 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-10-13 09:43:59,870 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-10-13 09:43:59,870 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-10-13 09:43:59,870 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-10-13 09:43:59,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-13 09:43:59,871 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-13 09:43:59,871 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 09:43:59,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 09:43:59,872 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 09:43:59,989 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 09:43:59,991 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 09:44:00,226 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-13 09:44:00,226 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 09:44:00,343 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 09:44:00,343 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-13 09:44:00,344 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:44:00 BoogieIcfgContainer [2024-10-13 09:44:00,344 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 09:44:00,348 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 09:44:00,348 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 09:44:00,351 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 09:44:00,352 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:43:59" (1/3) ... [2024-10-13 09:44:00,353 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@146e9b52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:44:00, skipping insertion in model container [2024-10-13 09:44:00,353 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:43:59" (2/3) ... [2024-10-13 09:44:00,354 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@146e9b52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:44:00, skipping insertion in model container [2024-10-13 09:44:00,354 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:44:00" (3/3) ... [2024-10-13 09:44:00,355 INFO L112 eAbstractionObserver]: Analyzing ICFG safe026_tso.i [2024-10-13 09:44:00,374 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 09:44:00,374 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 21 error locations. [2024-10-13 09:44:00,374 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-13 09:44:00,431 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-13 09:44:00,476 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 119 places, 112 transitions, 236 flow [2024-10-13 09:44:00,535 INFO L124 PetriNetUnfolderBase]: 3/109 cut-off events. [2024-10-13 09:44:00,536 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-13 09:44:00,543 INFO L83 FinitePrefix]: Finished finitePrefix Result has 119 conditions, 109 events. 3/109 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 129 event pairs, 0 based on Foata normal form. 0/85 useless extension candidates. Maximal degree in co-relation 93. Up to 2 conditions per place. [2024-10-13 09:44:00,544 INFO L82 GeneralOperation]: Start removeDead. Operand has 119 places, 112 transitions, 236 flow [2024-10-13 09:44:00,549 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 116 places, 109 transitions, 227 flow [2024-10-13 09:44:00,561 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 09:44:00,569 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;@72c6c588, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 09:44:00,569 INFO L334 AbstractCegarLoop]: Starting to check reachability of 37 error locations. [2024-10-13 09:44:00,581 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-13 09:44:00,581 INFO L124 PetriNetUnfolderBase]: 0/23 cut-off events. [2024-10-13 09:44:00,581 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-13 09:44:00,582 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:44:00,582 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] [2024-10-13 09:44:00,583 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2024-10-13 09:44:00,588 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:44:00,589 INFO L85 PathProgramCache]: Analyzing trace with hash 2051601597, now seen corresponding path program 1 times [2024-10-13 09:44:00,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:44:00,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904379650] [2024-10-13 09:44:00,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:44:00,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:44:00,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:44:00,817 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 09:44:00,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:44:00,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904379650] [2024-10-13 09:44:00,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1904379650] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:44:00,818 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:44:00,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-13 09:44:00,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723075382] [2024-10-13 09:44:00,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:44:00,827 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-13 09:44:00,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:44:00,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-13 09:44:00,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 09:44:00,862 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 112 [2024-10-13 09:44:00,864 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 116 places, 109 transitions, 227 flow. Second operand has 2 states, 2 states have (on average 77.0) internal successors, (154), 2 states have internal predecessors, (154), 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 09:44:00,865 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:44:00,865 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 112 [2024-10-13 09:44:00,867 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:44:01,105 INFO L124 PetriNetUnfolderBase]: 285/691 cut-off events. [2024-10-13 09:44:01,107 INFO L125 PetriNetUnfolderBase]: For 17/17 co-relation queries the response was YES. [2024-10-13 09:44:01,114 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1175 conditions, 691 events. 285/691 cut-off events. For 17/17 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 4025 event pairs, 285 based on Foata normal form. 67/703 useless extension candidates. Maximal degree in co-relation 1147. Up to 446 conditions per place. [2024-10-13 09:44:01,120 INFO L140 encePairwiseOnDemand]: 90/112 looper letters, 13 selfloop transitions, 0 changer transitions 0/85 dead transitions. [2024-10-13 09:44:01,121 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 85 transitions, 205 flow [2024-10-13 09:44:01,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-13 09:44:01,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-10-13 09:44:01,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 187 transitions. [2024-10-13 09:44:01,135 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8348214285714286 [2024-10-13 09:44:01,136 INFO L175 Difference]: Start difference. First operand has 116 places, 109 transitions, 227 flow. Second operand 2 states and 187 transitions. [2024-10-13 09:44:01,137 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 85 transitions, 205 flow [2024-10-13 09:44:01,141 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 85 transitions, 202 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-10-13 09:44:01,144 INFO L231 Difference]: Finished difference. Result has 93 places, 85 transitions, 176 flow [2024-10-13 09:44:01,146 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=112, PETRI_DIFFERENCE_MINUEND_FLOW=176, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=176, PETRI_PLACES=93, PETRI_TRANSITIONS=85} [2024-10-13 09:44:01,150 INFO L277 CegarLoopForPetriNet]: 116 programPoint places, -23 predicate places. [2024-10-13 09:44:01,153 INFO L471 AbstractCegarLoop]: Abstraction has has 93 places, 85 transitions, 176 flow [2024-10-13 09:44:01,153 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 77.0) internal successors, (154), 2 states have internal predecessors, (154), 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 09:44:01,153 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:44:01,153 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 09:44:01,154 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 09:44:01,154 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2024-10-13 09:44:01,154 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:44:01,154 INFO L85 PathProgramCache]: Analyzing trace with hash 163793283, now seen corresponding path program 1 times [2024-10-13 09:44:01,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:44:01,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011016881] [2024-10-13 09:44:01,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:44:01,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:44:01,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:44:01,269 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 09:44:01,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:44:01,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011016881] [2024-10-13 09:44:01,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2011016881] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:44:01,271 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:44:01,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:44:01,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923789283] [2024-10-13 09:44:01,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:44:01,273 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:44:01,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:44:01,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:44:01,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:44:01,279 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 73 out of 112 [2024-10-13 09:44:01,280 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 85 transitions, 176 flow. Second operand has 3 states, 3 states have (on average 75.0) internal successors, (225), 3 states have internal predecessors, (225), 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 09:44:01,280 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:44:01,280 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 73 of 112 [2024-10-13 09:44:01,280 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:44:01,549 INFO L124 PetriNetUnfolderBase]: 493/2069 cut-off events. [2024-10-13 09:44:01,549 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-13 09:44:01,554 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2855 conditions, 2069 events. 493/2069 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 17479 event pairs, 181 based on Foata normal form. 0/1911 useless extension candidates. Maximal degree in co-relation 2852. Up to 456 conditions per place. [2024-10-13 09:44:01,561 INFO L140 encePairwiseOnDemand]: 110/112 looper letters, 22 selfloop transitions, 1 changer transitions 0/92 dead transitions. [2024-10-13 09:44:01,561 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 92 transitions, 236 flow [2024-10-13 09:44:01,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:44:01,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:44:01,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 243 transitions. [2024-10-13 09:44:01,564 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7232142857142857 [2024-10-13 09:44:01,564 INFO L175 Difference]: Start difference. First operand has 93 places, 85 transitions, 176 flow. Second operand 3 states and 243 transitions. [2024-10-13 09:44:01,564 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 92 transitions, 236 flow [2024-10-13 09:44:01,565 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 92 transitions, 236 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-13 09:44:01,567 INFO L231 Difference]: Finished difference. Result has 94 places, 84 transitions, 176 flow [2024-10-13 09:44:01,567 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=112, PETRI_DIFFERENCE_MINUEND_FLOW=174, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=84, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=176, PETRI_PLACES=94, PETRI_TRANSITIONS=84} [2024-10-13 09:44:01,568 INFO L277 CegarLoopForPetriNet]: 116 programPoint places, -22 predicate places. [2024-10-13 09:44:01,568 INFO L471 AbstractCegarLoop]: Abstraction has has 94 places, 84 transitions, 176 flow [2024-10-13 09:44:01,569 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 75.0) internal successors, (225), 3 states have internal predecessors, (225), 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 09:44:01,569 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:44:01,569 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] [2024-10-13 09:44:01,569 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 09:44:01,570 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2024-10-13 09:44:01,570 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:44:01,570 INFO L85 PathProgramCache]: Analyzing trace with hash -997206570, now seen corresponding path program 1 times [2024-10-13 09:44:01,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:44:01,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260300156] [2024-10-13 09:44:01,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:44:01,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:44:01,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:44:01,669 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 09:44:01,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:44:01,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260300156] [2024-10-13 09:44:01,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1260300156] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:44:01,670 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:44:01,670 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:44:01,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241562423] [2024-10-13 09:44:01,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:44:01,671 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:44:01,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:44:01,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:44:01,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:44:01,674 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 73 out of 112 [2024-10-13 09:44:01,675 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 84 transitions, 176 flow. Second operand has 3 states, 3 states have (on average 75.33333333333333) internal successors, (226), 3 states have internal predecessors, (226), 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 09:44:01,675 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:44:01,675 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 73 of 112 [2024-10-13 09:44:01,675 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:44:01,886 INFO L124 PetriNetUnfolderBase]: 493/1602 cut-off events. [2024-10-13 09:44:01,886 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-13 09:44:01,891 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2390 conditions, 1602 events. 493/1602 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 12218 event pairs, 285 based on Foata normal form. 0/1502 useless extension candidates. Maximal degree in co-relation 2386. Up to 446 conditions per place. [2024-10-13 09:44:01,892 INFO L140 encePairwiseOnDemand]: 110/112 looper letters, 0 selfloop transitions, 0 changer transitions 91/91 dead transitions. [2024-10-13 09:44:01,893 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 91 transitions, 236 flow [2024-10-13 09:44:01,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:44:01,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:44:01,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 243 transitions. [2024-10-13 09:44:01,897 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7232142857142857 [2024-10-13 09:44:01,897 INFO L175 Difference]: Start difference. First operand has 94 places, 84 transitions, 176 flow. Second operand 3 states and 243 transitions. [2024-10-13 09:44:01,897 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 91 transitions, 236 flow [2024-10-13 09:44:01,898 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 91 transitions, 235 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-13 09:44:01,899 INFO L231 Difference]: Finished difference. Result has 94 places, 0 transitions, 0 flow [2024-10-13 09:44:01,899 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=112, PETRI_DIFFERENCE_MINUEND_FLOW=173, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=94, PETRI_TRANSITIONS=0} [2024-10-13 09:44:01,900 INFO L277 CegarLoopForPetriNet]: 116 programPoint places, -22 predicate places. [2024-10-13 09:44:01,900 INFO L471 AbstractCegarLoop]: Abstraction has has 94 places, 0 transitions, 0 flow [2024-10-13 09:44:01,901 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 75.33333333333333) internal successors, (226), 3 states have internal predecessors, (226), 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 09:44:01,904 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONDATA_RACE (36 of 37 remaining) [2024-10-13 09:44:01,905 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONDATA_RACE (35 of 37 remaining) [2024-10-13 09:44:01,905 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err2ASSERT_VIOLATIONDATA_RACE (34 of 37 remaining) [2024-10-13 09:44:01,905 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err3ASSERT_VIOLATIONDATA_RACE (33 of 37 remaining) [2024-10-13 09:44:01,906 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONDATA_RACE (32 of 37 remaining) [2024-10-13 09:44:01,906 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONDATA_RACE (31 of 37 remaining) [2024-10-13 09:44:01,907 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err2ASSERT_VIOLATIONDATA_RACE (30 of 37 remaining) [2024-10-13 09:44:01,907 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONDATA_RACE (29 of 37 remaining) [2024-10-13 09:44:01,907 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONDATA_RACE (28 of 37 remaining) [2024-10-13 09:44:01,909 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err2ASSERT_VIOLATIONDATA_RACE (27 of 37 remaining) [2024-10-13 09:44:01,910 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err3ASSERT_VIOLATIONDATA_RACE (26 of 37 remaining) [2024-10-13 09:44:01,910 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err4ASSERT_VIOLATIONDATA_RACE (25 of 37 remaining) [2024-10-13 09:44:01,911 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err5ASSERT_VIOLATIONDATA_RACE (24 of 37 remaining) [2024-10-13 09:44:01,912 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (23 of 37 remaining) [2024-10-13 09:44:01,912 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (22 of 37 remaining) [2024-10-13 09:44:01,912 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (21 of 37 remaining) [2024-10-13 09:44:01,912 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (20 of 37 remaining) [2024-10-13 09:44:01,913 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (19 of 37 remaining) [2024-10-13 09:44:01,913 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (18 of 37 remaining) [2024-10-13 09:44:01,913 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (17 of 37 remaining) [2024-10-13 09:44:01,914 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (16 of 37 remaining) [2024-10-13 09:44:01,915 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (15 of 37 remaining) [2024-10-13 09:44:01,915 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (14 of 37 remaining) [2024-10-13 09:44:01,916 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (13 of 37 remaining) [2024-10-13 09:44:01,916 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONDATA_RACE (12 of 37 remaining) [2024-10-13 09:44:01,916 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONDATA_RACE (11 of 37 remaining) [2024-10-13 09:44:01,916 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err2ASSERT_VIOLATIONDATA_RACE (10 of 37 remaining) [2024-10-13 09:44:01,916 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err3ASSERT_VIOLATIONDATA_RACE (9 of 37 remaining) [2024-10-13 09:44:01,917 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONDATA_RACE (8 of 37 remaining) [2024-10-13 09:44:01,917 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONDATA_RACE (7 of 37 remaining) [2024-10-13 09:44:01,918 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err2ASSERT_VIOLATIONDATA_RACE (6 of 37 remaining) [2024-10-13 09:44:01,918 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONDATA_RACE (5 of 37 remaining) [2024-10-13 09:44:01,918 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONDATA_RACE (4 of 37 remaining) [2024-10-13 09:44:01,918 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err2ASSERT_VIOLATIONDATA_RACE (3 of 37 remaining) [2024-10-13 09:44:01,919 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err3ASSERT_VIOLATIONDATA_RACE (2 of 37 remaining) [2024-10-13 09:44:01,919 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err4ASSERT_VIOLATIONDATA_RACE (1 of 37 remaining) [2024-10-13 09:44:01,920 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err5ASSERT_VIOLATIONDATA_RACE (0 of 37 remaining) [2024-10-13 09:44:01,920 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-13 09:44:01,920 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-10-13 09:44:01,927 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-13 09:44:01,927 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-13 09:44:01,932 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 09:44:01 BasicIcfg [2024-10-13 09:44:01,932 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-13 09:44:01,933 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-13 09:44:01,935 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-13 09:44:01,935 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-13 09:44:01,936 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:44:00" (3/4) ... [2024-10-13 09:44:01,938 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-13 09:44:01,941 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-10-13 09:44:01,942 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-10-13 09:44:01,942 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2024-10-13 09:44:01,947 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2024-10-13 09:44:01,947 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-13 09:44:01,947 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-10-13 09:44:01,948 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-13 09:44:02,034 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-13 09:44:02,037 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-13 09:44:02,037 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-13 09:44:02,038 INFO L158 Benchmark]: Toolchain (without parser) took 2946.95ms. Allocated memory was 167.8MB in the beginning and 226.5MB in the end (delta: 58.7MB). Free memory was 99.9MB in the beginning and 162.0MB in the end (delta: -62.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 09:44:02,038 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 113.2MB. Free memory is still 75.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 09:44:02,038 INFO L158 Benchmark]: CACSL2BoogieTranslator took 599.42ms. Allocated memory is still 167.8MB. Free memory was 99.7MB in the beginning and 127.1MB in the end (delta: -27.4MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. [2024-10-13 09:44:02,039 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.92ms. Allocated memory is still 167.8MB. Free memory was 127.1MB in the beginning and 125.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 09:44:02,039 INFO L158 Benchmark]: Boogie Preprocessor took 34.78ms. Allocated memory is still 167.8MB. Free memory was 125.0MB in the beginning and 123.3MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 09:44:02,039 INFO L158 Benchmark]: RCFGBuilder took 568.75ms. Allocated memory is still 167.8MB. Free memory was 123.3MB in the beginning and 94.3MB in the end (delta: 29.1MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-10-13 09:44:02,040 INFO L158 Benchmark]: TraceAbstraction took 1584.78ms. Allocated memory was 167.8MB in the beginning and 226.5MB in the end (delta: 58.7MB). Free memory was 93.6MB in the beginning and 166.2MB in the end (delta: -72.7MB). Peak memory consumption was 53.1MB. Max. memory is 16.1GB. [2024-10-13 09:44:02,040 INFO L158 Benchmark]: Witness Printer took 104.48ms. Allocated memory is still 226.5MB. Free memory was 166.2MB in the beginning and 162.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-13 09:44:02,042 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 113.2MB. Free memory is still 75.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 599.42ms. Allocated memory is still 167.8MB. Free memory was 99.7MB in the beginning and 127.1MB in the end (delta: -27.4MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.92ms. Allocated memory is still 167.8MB. Free memory was 127.1MB in the beginning and 125.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.78ms. Allocated memory is still 167.8MB. Free memory was 125.0MB in the beginning and 123.3MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 568.75ms. Allocated memory is still 167.8MB. Free memory was 123.3MB in the beginning and 94.3MB in the end (delta: 29.1MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1584.78ms. Allocated memory was 167.8MB in the beginning and 226.5MB in the end (delta: 58.7MB). Free memory was 93.6MB in the beginning and 166.2MB in the end (delta: -72.7MB). Peak memory consumption was 53.1MB. Max. memory is 16.1GB. * Witness Printer took 104.48ms. Allocated memory is still 226.5MB. Free memory was 166.2MB in the beginning and 162.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 723]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 726]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 731]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 731]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 738]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 743]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 743]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 750]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 750]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 753]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 753]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 758]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 758]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 780]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 780]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 782]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 786]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 786]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 786]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 786]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 788]: 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, 149 locations, 37 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: 1.5s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 23 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 18 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 83 IncrementalHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 2 mSDtfsCounter, 83 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=227occurred in iteration=0, InterpolantAutomatonStates: 8, 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, 0.2s InterpolantComputationTime, 110 NumberOfCodeBlocks, 110 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 107 ConstructedInterpolants, 0 QuantifiedInterpolants, 111 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 21 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-13 09:44:02,070 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE