./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/goblint-regression/36-apron_11-traces-max-simple_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 798a7b37 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/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_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/goblint-regression/36-apron_11-traces-max-simple_true.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 6ec45a8cc5eb531168b9afc45cc8af1360572640b5394bd745e0b1188f31bc79 --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 06:51:41,354 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 06:51:41,408 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-03-04 06:51:41,412 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 06:51:41,413 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 06:51:41,427 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 06:51:41,428 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 06:51:41,428 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 06:51:41,428 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 06:51:41,428 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 06:51:41,428 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 06:51:41,428 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 06:51:41,428 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 06:51:41,429 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 06:51:41,429 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 06:51:41,429 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-04 06:51:41,429 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 06:51:41,429 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-04 06:51:41,429 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 06:51:41,429 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 06:51:41,429 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 06:51:41,429 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 06:51:41,429 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-03-04 06:51:41,429 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-04 06:51:41,429 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-04 06:51:41,429 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 06:51:41,429 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 06:51:41,429 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 06:51:41,429 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 06:51:41,429 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 06:51:41,429 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 06:51:41,430 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 06:51:41,430 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 06:51:41,430 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 06:51:41,430 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 06:51:41,430 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 06:51:41,430 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 06:51:41,430 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 06:51:41,430 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 06:51:41,430 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 06:51:41,430 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 06:51:41,430 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 06:51:41,430 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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 -> 6ec45a8cc5eb531168b9afc45cc8af1360572640b5394bd745e0b1188f31bc79 [2025-03-04 06:51:41,661 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 06:51:41,669 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 06:51:41,671 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 06:51:41,672 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 06:51:41,672 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 06:51:41,673 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/36-apron_11-traces-max-simple_true.i [2025-03-04 06:51:42,873 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9261ca1c4/c39953bc8afc451d937dc66c70bc2a10/FLAG12f7dca72 [2025-03-04 06:51:43,161 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 06:51:43,162 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/36-apron_11-traces-max-simple_true.i [2025-03-04 06:51:43,175 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9261ca1c4/c39953bc8afc451d937dc66c70bc2a10/FLAG12f7dca72 [2025-03-04 06:51:43,431 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9261ca1c4/c39953bc8afc451d937dc66c70bc2a10 [2025-03-04 06:51:43,433 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 06:51:43,435 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 06:51:43,436 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 06:51:43,436 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 06:51:43,440 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 06:51:43,440 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 06:51:43" (1/1) ... [2025-03-04 06:51:43,441 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20bb0399 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:51:43, skipping insertion in model container [2025-03-04 06:51:43,441 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 06:51:43" (1/1) ... [2025-03-04 06:51:43,474 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 06:51:43,717 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 06:51:43,734 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 06:51:43,774 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 06:51:43,804 INFO L204 MainTranslator]: Completed translation [2025-03-04 06:51:43,805 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:51:43 WrapperNode [2025-03-04 06:51:43,805 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 06:51:43,806 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 06:51:43,806 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 06:51:43,806 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 06:51:43,811 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:51:43" (1/1) ... [2025-03-04 06:51:43,822 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:51:43" (1/1) ... [2025-03-04 06:51:43,838 INFO L138 Inliner]: procedures = 162, calls = 20, calls flagged for inlining = 5, calls inlined = 6, statements flattened = 71 [2025-03-04 06:51:43,839 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 06:51:43,840 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 06:51:43,840 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 06:51:43,840 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 06:51:43,844 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:51:43" (1/1) ... [2025-03-04 06:51:43,844 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:51:43" (1/1) ... [2025-03-04 06:51:43,846 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:51:43" (1/1) ... [2025-03-04 06:51:43,847 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:51:43" (1/1) ... [2025-03-04 06:51:43,851 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:51:43" (1/1) ... [2025-03-04 06:51:43,855 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:51:43" (1/1) ... [2025-03-04 06:51:43,855 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:51:43" (1/1) ... [2025-03-04 06:51:43,856 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:51:43" (1/1) ... [2025-03-04 06:51:43,857 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 06:51:43,859 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 06:51:43,859 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 06:51:43,859 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 06:51:43,861 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:51:43" (1/1) ... [2025-03-04 06:51:43,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 06:51:43,874 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 06:51:43,884 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) [2025-03-04 06:51:43,887 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 [2025-03-04 06:51:43,902 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-03-04 06:51:43,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 06:51:43,903 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2025-03-04 06:51:43,903 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2025-03-04 06:51:43,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-04 06:51:43,903 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-03-04 06:51:43,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 06:51:43,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 06:51:43,904 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-04 06:51:43,990 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 06:51:43,991 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 06:51:44,116 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-04 06:51:44,116 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 06:51:44,134 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 06:51:44,136 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 06:51:44,137 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 06:51:44 BoogieIcfgContainer [2025-03-04 06:51:44,137 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 06:51:44,139 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 06:51:44,139 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 06:51:44,142 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 06:51:44,143 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 06:51:43" (1/3) ... [2025-03-04 06:51:44,143 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4634d264 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 06:51:44, skipping insertion in model container [2025-03-04 06:51:44,143 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:51:43" (2/3) ... [2025-03-04 06:51:44,144 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4634d264 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 06:51:44, skipping insertion in model container [2025-03-04 06:51:44,144 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 06:51:44" (3/3) ... [2025-03-04 06:51:44,146 INFO L128 eAbstractionObserver]: Analyzing ICFG 36-apron_11-traces-max-simple_true.i [2025-03-04 06:51:44,156 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 06:51:44,158 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 36-apron_11-traces-max-simple_true.i that has 2 procedures, 81 locations, 1 initial locations, 0 loop locations, and 4 error locations. [2025-03-04 06:51:44,158 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-04 06:51:44,204 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-03-04 06:51:44,227 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 84 places, 84 transitions, 172 flow [2025-03-04 06:51:44,255 INFO L124 PetriNetUnfolderBase]: 4/83 cut-off events. [2025-03-04 06:51:44,257 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-04 06:51:44,260 INFO L83 FinitePrefix]: Finished finitePrefix Result has 87 conditions, 83 events. 4/83 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 111 event pairs, 0 based on Foata normal form. 0/75 useless extension candidates. Maximal degree in co-relation 60. Up to 2 conditions per place. [2025-03-04 06:51:44,260 INFO L82 GeneralOperation]: Start removeDead. Operand has 84 places, 84 transitions, 172 flow [2025-03-04 06:51:44,263 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 83 places, 83 transitions, 169 flow [2025-03-04 06:51:44,267 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 06:51:44,276 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;@1761b99c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 06:51:44,276 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2025-03-04 06:51:44,290 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-04 06:51:44,292 INFO L124 PetriNetUnfolderBase]: 0/34 cut-off events. [2025-03-04 06:51:44,292 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-04 06:51:44,292 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:51:44,292 INFO L206 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] [2025-03-04 06:51:44,293 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-04 06:51:44,297 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:51:44,298 INFO L85 PathProgramCache]: Analyzing trace with hash -184345545, now seen corresponding path program 1 times [2025-03-04 06:51:44,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:51:44,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268763252] [2025-03-04 06:51:44,303 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:51:44,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:51:44,369 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-03-04 06:51:44,387 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-03-04 06:51:44,388 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:51:44,388 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:51:44,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 06:51:44,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:51:44,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [268763252] [2025-03-04 06:51:44,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [268763252] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:51:44,492 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:51:44,492 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 06:51:44,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710006058] [2025-03-04 06:51:44,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:51:44,498 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 06:51:44,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:51:44,520 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 06:51:44,521 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 06:51:44,544 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 63 out of 84 [2025-03-04 06:51:44,547 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 83 transitions, 169 flow. Second operand has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 3 states have internal predecessors, (193), 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) [2025-03-04 06:51:44,548 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:51:44,548 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 63 of 84 [2025-03-04 06:51:44,549 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 06:51:44,651 INFO L124 PetriNetUnfolderBase]: 34/314 cut-off events. [2025-03-04 06:51:44,651 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-03-04 06:51:44,655 INFO L83 FinitePrefix]: Finished finitePrefix Result has 408 conditions, 314 events. 34/314 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1635 event pairs, 14 based on Foata normal form. 30/318 useless extension candidates. Maximal degree in co-relation 379. Up to 73 conditions per place. [2025-03-04 06:51:44,656 INFO L140 encePairwiseOnDemand]: 71/84 looper letters, 14 selfloop transitions, 6 changer transitions 3/83 dead transitions. [2025-03-04 06:51:44,656 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 83 transitions, 215 flow [2025-03-04 06:51:44,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 06:51:44,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-04 06:51:44,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 221 transitions. [2025-03-04 06:51:44,668 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.876984126984127 [2025-03-04 06:51:44,670 INFO L175 Difference]: Start difference. First operand has 83 places, 83 transitions, 169 flow. Second operand 3 states and 221 transitions. [2025-03-04 06:51:44,671 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 83 transitions, 215 flow [2025-03-04 06:51:44,674 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 83 transitions, 214 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-04 06:51:44,678 INFO L231 Difference]: Finished difference. Result has 81 places, 78 transitions, 194 flow [2025-03-04 06:51:44,680 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=84, PETRI_DIFFERENCE_MINUEND_FLOW=150, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=68, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=194, PETRI_PLACES=81, PETRI_TRANSITIONS=78} [2025-03-04 06:51:44,683 INFO L279 CegarLoopForPetriNet]: 83 programPoint places, -2 predicate places. [2025-03-04 06:51:44,684 INFO L471 AbstractCegarLoop]: Abstraction has has 81 places, 78 transitions, 194 flow [2025-03-04 06:51:44,684 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 3 states have internal predecessors, (193), 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) [2025-03-04 06:51:44,684 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:51:44,685 INFO L206 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] [2025-03-04 06:51:44,685 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-04 06:51:44,685 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-04 06:51:44,686 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:51:44,686 INFO L85 PathProgramCache]: Analyzing trace with hash 1419929741, now seen corresponding path program 1 times [2025-03-04 06:51:44,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:51:44,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152881202] [2025-03-04 06:51:44,686 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:51:44,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:51:44,702 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-03-04 06:51:44,709 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-03-04 06:51:44,711 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:51:44,711 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:51:44,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 06:51:44,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:51:44,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152881202] [2025-03-04 06:51:44,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1152881202] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:51:44,758 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:51:44,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 06:51:44,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879481004] [2025-03-04 06:51:44,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:51:44,759 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 06:51:44,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:51:44,760 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 06:51:44,760 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 06:51:44,786 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 84 [2025-03-04 06:51:44,787 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 78 transitions, 194 flow. Second operand has 3 states, 3 states have (on average 66.66666666666667) internal successors, (200), 3 states have internal predecessors, (200), 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) [2025-03-04 06:51:44,788 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:51:44,788 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 84 [2025-03-04 06:51:44,788 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 06:51:44,854 INFO L124 PetriNetUnfolderBase]: 41/334 cut-off events. [2025-03-04 06:51:44,854 INFO L125 PetriNetUnfolderBase]: For 49/51 co-relation queries the response was YES. [2025-03-04 06:51:44,855 INFO L83 FinitePrefix]: Finished finitePrefix Result has 525 conditions, 334 events. 41/334 cut-off events. For 49/51 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1805 event pairs, 20 based on Foata normal form. 0/305 useless extension candidates. Maximal degree in co-relation 495. Up to 83 conditions per place. [2025-03-04 06:51:44,856 INFO L140 encePairwiseOnDemand]: 78/84 looper letters, 12 selfloop transitions, 6 changer transitions 5/85 dead transitions. [2025-03-04 06:51:44,857 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 85 transitions, 262 flow [2025-03-04 06:51:44,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 06:51:44,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-04 06:51:44,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 215 transitions. [2025-03-04 06:51:44,858 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8531746031746031 [2025-03-04 06:51:44,859 INFO L175 Difference]: Start difference. First operand has 81 places, 78 transitions, 194 flow. Second operand 3 states and 215 transitions. [2025-03-04 06:51:44,859 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 85 transitions, 262 flow [2025-03-04 06:51:44,860 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 85 transitions, 246 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-04 06:51:44,861 INFO L231 Difference]: Finished difference. Result has 83 places, 79 transitions, 218 flow [2025-03-04 06:51:44,862 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=84, PETRI_DIFFERENCE_MINUEND_FLOW=182, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=218, PETRI_PLACES=83, PETRI_TRANSITIONS=79} [2025-03-04 06:51:44,863 INFO L279 CegarLoopForPetriNet]: 83 programPoint places, 0 predicate places. [2025-03-04 06:51:44,863 INFO L471 AbstractCegarLoop]: Abstraction has has 83 places, 79 transitions, 218 flow [2025-03-04 06:51:44,863 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 66.66666666666667) internal successors, (200), 3 states have internal predecessors, (200), 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) [2025-03-04 06:51:44,863 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:51:44,863 INFO L206 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] [2025-03-04 06:51:44,864 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-04 06:51:44,864 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-04 06:51:44,864 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:51:44,865 INFO L85 PathProgramCache]: Analyzing trace with hash -1078587340, now seen corresponding path program 1 times [2025-03-04 06:51:44,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:51:44,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001108589] [2025-03-04 06:51:44,865 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:51:44,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:51:44,884 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-03-04 06:51:44,892 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-03-04 06:51:44,892 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:51:44,892 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:51:45,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 06:51:45,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:51:45,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001108589] [2025-03-04 06:51:45,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1001108589] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:51:45,004 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:51:45,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 06:51:45,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317083659] [2025-03-04 06:51:45,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:51:45,004 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 06:51:45,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:51:45,005 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 06:51:45,005 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 06:51:45,017 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 72 out of 84 [2025-03-04 06:51:45,017 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 79 transitions, 218 flow. Second operand has 3 states, 3 states have (on average 73.33333333333333) internal successors, (220), 3 states have internal predecessors, (220), 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) [2025-03-04 06:51:45,017 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:51:45,017 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 72 of 84 [2025-03-04 06:51:45,017 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 06:51:45,033 INFO L124 PetriNetUnfolderBase]: 0/95 cut-off events. [2025-03-04 06:51:45,035 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2025-03-04 06:51:45,035 INFO L83 FinitePrefix]: Finished finitePrefix Result has 131 conditions, 95 events. 0/95 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 101 event pairs, 0 based on Foata normal form. 2/94 useless extension candidates. Maximal degree in co-relation 0. Up to 6 conditions per place. [2025-03-04 06:51:45,035 INFO L140 encePairwiseOnDemand]: 80/84 looper letters, 0 selfloop transitions, 0 changer transitions 72/72 dead transitions. [2025-03-04 06:51:45,036 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 72 transitions, 190 flow [2025-03-04 06:51:45,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 06:51:45,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-04 06:51:45,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 224 transitions. [2025-03-04 06:51:45,037 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8888888888888888 [2025-03-04 06:51:45,039 INFO L175 Difference]: Start difference. First operand has 83 places, 79 transitions, 218 flow. Second operand 3 states and 224 transitions. [2025-03-04 06:51:45,039 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 72 transitions, 190 flow [2025-03-04 06:51:45,040 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 78 places, 72 transitions, 166 flow, removed 6 selfloop flow, removed 4 redundant places. [2025-03-04 06:51:45,040 INFO L231 Difference]: Finished difference. Result has 78 places, 0 transitions, 0 flow [2025-03-04 06:51:45,040 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=84, PETRI_DIFFERENCE_MINUEND_FLOW=154, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=72, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=78, PETRI_TRANSITIONS=0} [2025-03-04 06:51:45,041 INFO L279 CegarLoopForPetriNet]: 83 programPoint places, -5 predicate places. [2025-03-04 06:51:45,041 INFO L471 AbstractCegarLoop]: Abstraction has has 78 places, 0 transitions, 0 flow [2025-03-04 06:51:45,041 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 73.33333333333333) internal successors, (220), 3 states have internal predecessors, (220), 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) [2025-03-04 06:51:45,044 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2025-03-04 06:51:45,046 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2025-03-04 06:51:45,047 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining) [2025-03-04 06:51:45,047 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2025-03-04 06:51:45,047 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2025-03-04 06:51:45,047 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2025-03-04 06:51:45,047 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2025-03-04 06:51:45,047 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-04 06:51:45,047 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2025-03-04 06:51:45,051 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-04 06:51:45,051 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-04 06:51:45,056 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.03 06:51:45 BasicIcfg [2025-03-04 06:51:45,056 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-04 06:51:45,057 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-04 06:51:45,057 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-04 06:51:45,057 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-04 06:51:45,058 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 06:51:44" (3/4) ... [2025-03-04 06:51:45,059 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-04 06:51:45,061 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure t_fun [2025-03-04 06:51:45,064 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2025-03-04 06:51:45,064 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-03-04 06:51:45,064 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2025-03-04 06:51:45,064 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-04 06:51:45,119 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-04 06:51:45,120 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-04 06:51:45,120 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-04 06:51:45,121 INFO L158 Benchmark]: Toolchain (without parser) took 1685.87ms. Allocated memory is still 167.8MB. Free memory was 121.4MB in the beginning and 90.7MB in the end (delta: 30.6MB). Peak memory consumption was 32.2MB. Max. memory is 16.1GB. [2025-03-04 06:51:45,121 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 201.3MB. Free memory is still 116.4MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 06:51:45,122 INFO L158 Benchmark]: CACSL2BoogieTranslator took 369.90ms. Allocated memory is still 167.8MB. Free memory was 121.4MB in the beginning and 102.1MB in the end (delta: 19.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-04 06:51:45,122 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.52ms. Allocated memory is still 167.8MB. Free memory was 102.1MB in the beginning and 100.4MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-04 06:51:45,122 INFO L158 Benchmark]: Boogie Preprocessor took 18.28ms. Allocated memory is still 167.8MB. Free memory was 100.4MB in the beginning and 99.7MB in the end (delta: 736.8kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 06:51:45,123 INFO L158 Benchmark]: IcfgBuilder took 278.31ms. Allocated memory is still 167.8MB. Free memory was 99.7MB in the beginning and 85.3MB in the end (delta: 14.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-04 06:51:45,123 INFO L158 Benchmark]: TraceAbstraction took 917.37ms. Allocated memory is still 167.8MB. Free memory was 84.5MB in the beginning and 96.6MB in the end (delta: -12.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 06:51:45,123 INFO L158 Benchmark]: Witness Printer took 62.47ms. Allocated memory is still 167.8MB. Free memory was 96.6MB in the beginning and 90.7MB in the end (delta: 5.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-04 06:51:45,126 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 201.3MB. Free memory is still 116.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 369.90ms. Allocated memory is still 167.8MB. Free memory was 121.4MB in the beginning and 102.1MB in the end (delta: 19.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.52ms. Allocated memory is still 167.8MB. Free memory was 102.1MB in the beginning and 100.4MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.28ms. Allocated memory is still 167.8MB. Free memory was 100.4MB in the beginning and 99.7MB in the end (delta: 736.8kB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 278.31ms. Allocated memory is still 167.8MB. Free memory was 99.7MB in the beginning and 85.3MB in the end (delta: 14.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 917.37ms. Allocated memory is still 167.8MB. Free memory was 84.5MB in the beginning and 96.6MB in the end (delta: -12.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 62.47ms. Allocated memory is still 167.8MB. Free memory was 96.6MB in the beginning and 90.7MB in the end (delta: 5.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 695]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 696]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 685]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 686]: 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 3 procedures, 110 locations, 7 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: 0.8s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 73 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 21 mSDsluCounter, 29 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 78 IncrementalHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 29 mSDtfsCounter, 78 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=218occurred in iteration=2, InterpolantAutomatonStates: 9, 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, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 94 NumberOfCodeBlocks, 94 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 91 ConstructedInterpolants, 0 QuantifiedInterpolants, 119 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, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-04 06:51:45,138 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