./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/safe010_tso.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 61a67961 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/safe010_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 0cdc4de0b080284406e5a223cc9cce4b369430ad26c4d0f5d169e90b4fc0e513 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 16:57:30,533 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 16:57:30,602 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-14 16:57:30,607 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 16:57:30,607 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 16:57:30,643 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 16:57:30,644 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 16:57:30,644 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 16:57:30,645 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 16:57:30,645 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 16:57:30,646 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 16:57:30,646 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 16:57:30,646 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 16:57:30,647 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 16:57:30,647 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 16:57:30,647 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 16:57:30,648 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 16:57:30,648 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 16:57:30,648 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 16:57:30,649 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 16:57:30,649 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 16:57:30,650 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 16:57:30,650 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-14 16:57:30,650 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 16:57:30,650 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-14 16:57:30,651 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 16:57:30,651 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 16:57:30,651 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 16:57:30,652 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 16:57:30,652 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 16:57:30,652 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 16:57:30,652 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 16:57:30,653 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 16:57:30,653 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 16:57:30,653 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 16:57:30,653 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 16:57:30,654 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 16:57:30,654 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 16:57:30,661 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 16:57:30,661 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 16:57:30,662 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 16:57:30,662 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0cdc4de0b080284406e5a223cc9cce4b369430ad26c4d0f5d169e90b4fc0e513 [2024-10-14 16:57:30,911 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 16:57:30,932 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 16:57:30,936 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 16:57:30,937 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 16:57:30,938 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 16:57:30,939 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe010_tso.i [2024-10-14 16:57:32,355 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 16:57:32,596 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 16:57:32,597 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe010_tso.i [2024-10-14 16:57:32,617 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9179d1452/75c1c93291054a0bb8086ea5da742733/FLAGd5087c601 [2024-10-14 16:57:32,633 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9179d1452/75c1c93291054a0bb8086ea5da742733 [2024-10-14 16:57:32,635 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 16:57:32,636 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 16:57:32,638 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 16:57:32,638 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 16:57:32,643 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 16:57:32,644 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 04:57:32" (1/1) ... [2024-10-14 16:57:32,647 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7012321d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:57:32, skipping insertion in model container [2024-10-14 16:57:32,647 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 04:57:32" (1/1) ... [2024-10-14 16:57:32,683 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 16:57:33,010 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 16:57:33,022 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 16:57:33,082 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 16:57:33,126 INFO L204 MainTranslator]: Completed translation [2024-10-14 16:57:33,127 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:57:33 WrapperNode [2024-10-14 16:57:33,127 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 16:57:33,128 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 16:57:33,128 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 16:57:33,128 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 16:57:33,135 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:57:33" (1/1) ... [2024-10-14 16:57:33,147 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:57:33" (1/1) ... [2024-10-14 16:57:33,166 INFO L138 Inliner]: procedures = 174, calls = 33, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 73 [2024-10-14 16:57:33,166 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 16:57:33,167 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 16:57:33,167 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 16:57:33,167 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 16:57:33,175 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:57:33" (1/1) ... [2024-10-14 16:57:33,175 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:57:33" (1/1) ... [2024-10-14 16:57:33,180 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:57:33" (1/1) ... [2024-10-14 16:57:33,184 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:57:33" (1/1) ... [2024-10-14 16:57:33,189 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:57:33" (1/1) ... [2024-10-14 16:57:33,191 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:57:33" (1/1) ... [2024-10-14 16:57:33,196 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:57:33" (1/1) ... [2024-10-14 16:57:33,197 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:57:33" (1/1) ... [2024-10-14 16:57:33,203 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 16:57:33,204 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 16:57:33,204 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 16:57:33,204 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 16:57:33,205 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:57:33" (1/1) ... [2024-10-14 16:57:33,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 16:57:33,224 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 16:57:33,241 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) [2024-10-14 16:57:33,248 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 [2024-10-14 16:57:33,295 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-14 16:57:33,295 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 16:57:33,296 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-10-14 16:57:33,296 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-10-14 16:57:33,296 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-10-14 16:57:33,296 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-10-14 16:57:33,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-14 16:57:33,297 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-14 16:57:33,297 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 16:57:33,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 16:57:33,298 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-14 16:57:33,448 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 16:57:33,450 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 16:57:33,660 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-14 16:57:33,661 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 16:57:33,760 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 16:57:33,760 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-14 16:57:33,761 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 04:57:33 BoogieIcfgContainer [2024-10-14 16:57:33,761 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 16:57:33,763 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 16:57:33,763 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 16:57:33,768 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 16:57:33,768 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 04:57:32" (1/3) ... [2024-10-14 16:57:33,769 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@233a3201 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 04:57:33, skipping insertion in model container [2024-10-14 16:57:33,769 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:57:33" (2/3) ... [2024-10-14 16:57:33,769 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@233a3201 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 04:57:33, skipping insertion in model container [2024-10-14 16:57:33,769 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 04:57:33" (3/3) ... [2024-10-14 16:57:33,771 INFO L112 eAbstractionObserver]: Analyzing ICFG safe010_tso.i [2024-10-14 16:57:33,787 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 16:57:33,787 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2024-10-14 16:57:33,788 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-14 16:57:33,851 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-14 16:57:33,893 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 96 places, 92 transitions, 192 flow [2024-10-14 16:57:33,943 INFO L124 PetriNetUnfolderBase]: 3/90 cut-off events. [2024-10-14 16:57:33,943 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-14 16:57:33,952 INFO L83 FinitePrefix]: Finished finitePrefix Result has 97 conditions, 90 events. 3/90 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 92 event pairs, 0 based on Foata normal form. 0/71 useless extension candidates. Maximal degree in co-relation 73. Up to 2 conditions per place. [2024-10-14 16:57:33,952 INFO L82 GeneralOperation]: Start removeDead. Operand has 96 places, 92 transitions, 192 flow [2024-10-14 16:57:33,957 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 94 places, 90 transitions, 186 flow [2024-10-14 16:57:34,008 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 16:57:34,016 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;@449ba024, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 16:57:34,017 INFO L334 AbstractCegarLoop]: Starting to check reachability of 27 error locations. [2024-10-14 16:57:34,025 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-14 16:57:34,027 INFO L124 PetriNetUnfolderBase]: 0/22 cut-off events. [2024-10-14 16:57:34,028 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-14 16:57:34,028 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 16:57:34,029 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] [2024-10-14 16:57:34,029 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-10-14 16:57:34,035 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 16:57:34,036 INFO L85 PathProgramCache]: Analyzing trace with hash 1759104633, now seen corresponding path program 1 times [2024-10-14 16:57:34,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 16:57:34,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761992660] [2024-10-14 16:57:34,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 16:57:34,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 16:57:34,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 16:57:34,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 16:57:34,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 16:57:34,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761992660] [2024-10-14 16:57:34,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1761992660] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 16:57:34,247 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 16:57:34,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-14 16:57:34,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647235710] [2024-10-14 16:57:34,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 16:57:34,256 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-14 16:57:34,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 16:57:34,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-14 16:57:34,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 16:57:34,289 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 64 out of 92 [2024-10-14 16:57:34,291 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 90 transitions, 186 flow. Second operand has 2 states, 2 states have (on average 65.0) internal successors, (130), 2 states have internal predecessors, (130), 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) [2024-10-14 16:57:34,291 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 16:57:34,292 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 64 of 92 [2024-10-14 16:57:34,293 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 16:57:34,380 INFO L124 PetriNetUnfolderBase]: 60/218 cut-off events. [2024-10-14 16:57:34,380 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-10-14 16:57:34,382 INFO L83 FinitePrefix]: Finished finitePrefix Result has 344 conditions, 218 events. 60/218 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 933 event pairs, 60 based on Foata normal form. 12/207 useless extension candidates. Maximal degree in co-relation 318. Up to 113 conditions per place. [2024-10-14 16:57:34,385 INFO L140 encePairwiseOnDemand]: 75/92 looper letters, 10 selfloop transitions, 0 changer transitions 0/71 dead transitions. [2024-10-14 16:57:34,385 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 71 transitions, 168 flow [2024-10-14 16:57:34,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-14 16:57:34,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-10-14 16:57:34,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 155 transitions. [2024-10-14 16:57:34,397 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.842391304347826 [2024-10-14 16:57:34,399 INFO L175 Difference]: Start difference. First operand has 94 places, 90 transitions, 186 flow. Second operand 2 states and 155 transitions. [2024-10-14 16:57:34,400 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 71 transitions, 168 flow [2024-10-14 16:57:34,403 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 71 transitions, 166 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-14 16:57:34,406 INFO L231 Difference]: Finished difference. Result has 77 places, 71 transitions, 146 flow [2024-10-14 16:57:34,410 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=92, PETRI_DIFFERENCE_MINUEND_FLOW=146, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=71, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=146, PETRI_PLACES=77, PETRI_TRANSITIONS=71} [2024-10-14 16:57:34,415 INFO L277 CegarLoopForPetriNet]: 94 programPoint places, -17 predicate places. [2024-10-14 16:57:34,415 INFO L471 AbstractCegarLoop]: Abstraction has has 77 places, 71 transitions, 146 flow [2024-10-14 16:57:34,416 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 65.0) internal successors, (130), 2 states have internal predecessors, (130), 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) [2024-10-14 16:57:34,416 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 16:57:34,416 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] [2024-10-14 16:57:34,416 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 16:57:34,417 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-10-14 16:57:34,418 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 16:57:34,419 INFO L85 PathProgramCache]: Analyzing trace with hash -1810782040, now seen corresponding path program 1 times [2024-10-14 16:57:34,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 16:57:34,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991169752] [2024-10-14 16:57:34,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 16:57:34,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 16:57:34,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 16:57:34,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 16:57:34,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 16:57:34,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1991169752] [2024-10-14 16:57:34,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1991169752] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 16:57:34,539 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 16:57:34,540 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 16:57:34,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239002869] [2024-10-14 16:57:34,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 16:57:34,543 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 16:57:34,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 16:57:34,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 16:57:34,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 16:57:34,550 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 92 [2024-10-14 16:57:34,553 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 71 transitions, 146 flow. Second operand has 3 states, 3 states have (on average 62.666666666666664) internal successors, (188), 3 states have internal predecessors, (188), 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) [2024-10-14 16:57:34,553 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 16:57:34,553 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 92 [2024-10-14 16:57:34,553 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 16:57:34,709 INFO L124 PetriNetUnfolderBase]: 108/640 cut-off events. [2024-10-14 16:57:34,710 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-14 16:57:34,714 INFO L83 FinitePrefix]: Finished finitePrefix Result has 845 conditions, 640 events. 108/640 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 4088 event pairs, 36 based on Foata normal form. 0/587 useless extension candidates. Maximal degree in co-relation 842. Up to 120 conditions per place. [2024-10-14 16:57:34,717 INFO L140 encePairwiseOnDemand]: 90/92 looper letters, 17 selfloop transitions, 1 changer transitions 0/76 dead transitions. [2024-10-14 16:57:34,718 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 76 transitions, 192 flow [2024-10-14 16:57:34,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 16:57:34,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 16:57:34,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 202 transitions. [2024-10-14 16:57:34,722 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7318840579710145 [2024-10-14 16:57:34,722 INFO L175 Difference]: Start difference. First operand has 77 places, 71 transitions, 146 flow. Second operand 3 states and 202 transitions. [2024-10-14 16:57:34,722 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 76 transitions, 192 flow [2024-10-14 16:57:34,723 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 78 places, 76 transitions, 192 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-14 16:57:34,725 INFO L231 Difference]: Finished difference. Result has 78 places, 70 transitions, 146 flow [2024-10-14 16:57:34,725 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=92, PETRI_DIFFERENCE_MINUEND_FLOW=144, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=70, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=146, PETRI_PLACES=78, PETRI_TRANSITIONS=70} [2024-10-14 16:57:34,726 INFO L277 CegarLoopForPetriNet]: 94 programPoint places, -16 predicate places. [2024-10-14 16:57:34,727 INFO L471 AbstractCegarLoop]: Abstraction has has 78 places, 70 transitions, 146 flow [2024-10-14 16:57:34,727 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 62.666666666666664) internal successors, (188), 3 states have internal predecessors, (188), 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) [2024-10-14 16:57:34,727 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 16:57:34,727 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] [2024-10-14 16:57:34,728 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 16:57:34,728 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-10-14 16:57:34,729 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 16:57:34,729 INFO L85 PathProgramCache]: Analyzing trace with hash -1981621659, now seen corresponding path program 1 times [2024-10-14 16:57:34,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 16:57:34,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200160222] [2024-10-14 16:57:34,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 16:57:34,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 16:57:34,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 16:57:34,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 16:57:34,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 16:57:34,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200160222] [2024-10-14 16:57:34,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [200160222] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 16:57:34,817 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 16:57:34,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 16:57:34,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357082105] [2024-10-14 16:57:34,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 16:57:34,819 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 16:57:34,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 16:57:34,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 16:57:34,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 16:57:34,828 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 92 [2024-10-14 16:57:34,829 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 70 transitions, 146 flow. Second operand has 3 states, 3 states have (on average 63.0) internal successors, (189), 3 states have internal predecessors, (189), 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) [2024-10-14 16:57:34,829 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 16:57:34,830 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 92 [2024-10-14 16:57:34,830 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 16:57:34,909 INFO L124 PetriNetUnfolderBase]: 108/489 cut-off events. [2024-10-14 16:57:34,909 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-14 16:57:34,911 INFO L83 FinitePrefix]: Finished finitePrefix Result has 696 conditions, 489 events. 108/489 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 2880 event pairs, 60 based on Foata normal form. 0/453 useless extension candidates. Maximal degree in co-relation 692. Up to 113 conditions per place. [2024-10-14 16:57:34,911 INFO L140 encePairwiseOnDemand]: 90/92 looper letters, 0 selfloop transitions, 0 changer transitions 75/75 dead transitions. [2024-10-14 16:57:34,911 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 75 transitions, 192 flow [2024-10-14 16:57:34,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 16:57:34,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 16:57:34,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 202 transitions. [2024-10-14 16:57:34,917 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7318840579710145 [2024-10-14 16:57:34,917 INFO L175 Difference]: Start difference. First operand has 78 places, 70 transitions, 146 flow. Second operand 3 states and 202 transitions. [2024-10-14 16:57:34,917 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 75 transitions, 192 flow [2024-10-14 16:57:34,918 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 78 places, 75 transitions, 191 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-14 16:57:34,918 INFO L231 Difference]: Finished difference. Result has 78 places, 0 transitions, 0 flow [2024-10-14 16:57:34,918 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=92, PETRI_DIFFERENCE_MINUEND_FLOW=143, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=78, PETRI_TRANSITIONS=0} [2024-10-14 16:57:34,919 INFO L277 CegarLoopForPetriNet]: 94 programPoint places, -16 predicate places. [2024-10-14 16:57:34,920 INFO L471 AbstractCegarLoop]: Abstraction has has 78 places, 0 transitions, 0 flow [2024-10-14 16:57:34,920 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.0) internal successors, (189), 3 states have internal predecessors, (189), 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) [2024-10-14 16:57:34,922 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONDATA_RACE (26 of 27 remaining) [2024-10-14 16:57:34,926 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONDATA_RACE (25 of 27 remaining) [2024-10-14 16:57:34,926 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err2ASSERT_VIOLATIONDATA_RACE (24 of 27 remaining) [2024-10-14 16:57:34,926 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err3ASSERT_VIOLATIONDATA_RACE (23 of 27 remaining) [2024-10-14 16:57:34,927 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONDATA_RACE (22 of 27 remaining) [2024-10-14 16:57:34,927 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONDATA_RACE (21 of 27 remaining) [2024-10-14 16:57:34,927 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err2ASSERT_VIOLATIONDATA_RACE (20 of 27 remaining) [2024-10-14 16:57:34,927 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err3ASSERT_VIOLATIONDATA_RACE (19 of 27 remaining) [2024-10-14 16:57:34,928 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err4ASSERT_VIOLATIONDATA_RACE (18 of 27 remaining) [2024-10-14 16:57:34,928 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (17 of 27 remaining) [2024-10-14 16:57:34,929 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (16 of 27 remaining) [2024-10-14 16:57:34,929 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (15 of 27 remaining) [2024-10-14 16:57:34,929 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (14 of 27 remaining) [2024-10-14 16:57:34,929 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (13 of 27 remaining) [2024-10-14 16:57:34,930 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (12 of 27 remaining) [2024-10-14 16:57:34,930 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (11 of 27 remaining) [2024-10-14 16:57:34,930 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 27 remaining) [2024-10-14 16:57:34,931 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 27 remaining) [2024-10-14 16:57:34,931 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONDATA_RACE (8 of 27 remaining) [2024-10-14 16:57:34,931 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONDATA_RACE (7 of 27 remaining) [2024-10-14 16:57:34,931 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err2ASSERT_VIOLATIONDATA_RACE (6 of 27 remaining) [2024-10-14 16:57:34,931 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err3ASSERT_VIOLATIONDATA_RACE (5 of 27 remaining) [2024-10-14 16:57:34,932 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONDATA_RACE (4 of 27 remaining) [2024-10-14 16:57:34,932 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONDATA_RACE (3 of 27 remaining) [2024-10-14 16:57:34,933 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err2ASSERT_VIOLATIONDATA_RACE (2 of 27 remaining) [2024-10-14 16:57:34,933 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err3ASSERT_VIOLATIONDATA_RACE (1 of 27 remaining) [2024-10-14 16:57:34,933 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err4ASSERT_VIOLATIONDATA_RACE (0 of 27 remaining) [2024-10-14 16:57:34,933 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 16:57:34,934 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-10-14 16:57:34,940 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-14 16:57:34,940 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-14 16:57:34,946 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 04:57:34 BasicIcfg [2024-10-14 16:57:34,946 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-14 16:57:34,946 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-14 16:57:34,946 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-14 16:57:34,947 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-14 16:57:34,947 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 04:57:33" (3/4) ... [2024-10-14 16:57:34,948 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-14 16:57:34,951 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-10-14 16:57:34,951 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-10-14 16:57:34,955 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2024-10-14 16:57:34,956 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-14 16:57:34,956 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-10-14 16:57:34,956 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-14 16:57:35,042 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-14 16:57:35,043 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-14 16:57:35,043 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-14 16:57:35,044 INFO L158 Benchmark]: Toolchain (without parser) took 2407.37ms. Allocated memory was 159.4MB in the beginning and 224.4MB in the end (delta: 65.0MB). Free memory was 104.4MB in the beginning and 104.2MB in the end (delta: 225.8kB). Peak memory consumption was 67.8MB. Max. memory is 16.1GB. [2024-10-14 16:57:35,044 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 159.4MB. Free memory was 126.5MB in the beginning and 126.2MB in the end (delta: 302.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 16:57:35,044 INFO L158 Benchmark]: CACSL2BoogieTranslator took 489.41ms. Allocated memory is still 159.4MB. Free memory was 104.1MB in the beginning and 82.8MB in the end (delta: 21.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-10-14 16:57:35,044 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.30ms. Allocated memory is still 159.4MB. Free memory was 82.5MB in the beginning and 80.7MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 16:57:35,045 INFO L158 Benchmark]: Boogie Preprocessor took 36.41ms. Allocated memory is still 159.4MB. Free memory was 80.7MB in the beginning and 79.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-14 16:57:35,045 INFO L158 Benchmark]: RCFGBuilder took 556.83ms. Allocated memory is still 159.4MB. Free memory was 79.3MB in the beginning and 55.9MB in the end (delta: 23.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-10-14 16:57:35,045 INFO L158 Benchmark]: TraceAbstraction took 1183.03ms. Allocated memory was 159.4MB in the beginning and 224.4MB in the end (delta: 65.0MB). Free memory was 55.2MB in the beginning and 109.5MB in the end (delta: -54.2MB). Peak memory consumption was 11.1MB. Max. memory is 16.1GB. [2024-10-14 16:57:35,045 INFO L158 Benchmark]: Witness Printer took 96.80ms. Allocated memory is still 224.4MB. Free memory was 109.5MB in the beginning and 104.2MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-14 16:57:35,047 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 159.4MB. Free memory was 126.5MB in the beginning and 126.2MB in the end (delta: 302.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 489.41ms. Allocated memory is still 159.4MB. Free memory was 104.1MB in the beginning and 82.8MB in the end (delta: 21.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.30ms. Allocated memory is still 159.4MB. Free memory was 82.5MB in the beginning and 80.7MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 36.41ms. Allocated memory is still 159.4MB. Free memory was 80.7MB in the beginning and 79.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 556.83ms. Allocated memory is still 159.4MB. Free memory was 79.3MB in the beginning and 55.9MB in the end (delta: 23.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 1183.03ms. Allocated memory was 159.4MB in the beginning and 224.4MB in the end (delta: 65.0MB). Free memory was 55.2MB in the beginning and 109.5MB in the end (delta: -54.2MB). Peak memory consumption was 11.1MB. Max. memory is 16.1GB. * Witness Printer took 96.80ms. Allocated memory is still 224.4MB. Free memory was 109.5MB in the beginning and 104.2MB 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: 720]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 723]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 728]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 728]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 735]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 735]: 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: 763]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 763]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 765]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 769]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 769]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 769]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 771]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 117 locations, 27 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: 1.0s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 17 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 14 mSDsluCounter, 4 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 64 IncrementalHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 4 mSDtfsCounter, 64 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=186occurred 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, 93 NumberOfCodeBlocks, 93 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 90 ConstructedInterpolants, 0 QuantifiedInterpolants, 94 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 16 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-14 16:57:35,080 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