./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_true.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 c983783f5358911c3fbbb6a10a3bc1f70631f1803357161b1c0bc876f490a9b5 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 21:25:49,236 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 21:25:49,270 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-01-09 21:25:49,273 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 21:25:49,273 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 21:25:49,286 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 21:25:49,286 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 21:25:49,286 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 21:25:49,286 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 21:25:49,286 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 21:25:49,287 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 21:25:49,287 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 21:25:49,287 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 21:25:49,287 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 21:25:49,287 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 21:25:49,287 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 21:25:49,287 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 21:25:49,287 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 21:25:49,287 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 21:25:49,287 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 21:25:49,288 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 21:25:49,288 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 21:25:49,288 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-01-09 21:25:49,288 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-09 21:25:49,288 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 21:25:49,288 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 21:25:49,288 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 21:25:49,288 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 21:25:49,288 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 21:25:49,288 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 21:25:49,288 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 21:25:49,288 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 21:25:49,289 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 21:25:49,289 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 21:25:49,289 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 21:25:49,289 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 21:25:49,289 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 21:25:49,289 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 21:25:49,289 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 21:25:49,289 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 21:25:49,289 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 21:25:49,289 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 21:25:49,289 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 21:25:49,289 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 21:25:49,289 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 21:25:49,290 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 21:25:49,290 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-jdk21/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 -> c983783f5358911c3fbbb6a10a3bc1f70631f1803357161b1c0bc876f490a9b5 [2025-01-09 21:25:49,446 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 21:25:49,456 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 21:25:49,457 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 21:25:49,458 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 21:25:49,458 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 21:25:49,459 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_true.i [2025-01-09 21:25:50,580 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4bd332390/0e31a3eeee0a4d3e9187a64b8cce4e2f/FLAG1e189db57 [2025-01-09 21:25:50,869 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 21:25:50,869 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_true.i [2025-01-09 21:25:50,883 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4bd332390/0e31a3eeee0a4d3e9187a64b8cce4e2f/FLAG1e189db57 [2025-01-09 21:25:51,162 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4bd332390/0e31a3eeee0a4d3e9187a64b8cce4e2f [2025-01-09 21:25:51,164 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 21:25:51,164 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 21:25:51,165 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 21:25:51,165 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 21:25:51,168 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 21:25:51,169 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 09:25:51" (1/1) ... [2025-01-09 21:25:51,169 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b8b936a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:25:51, skipping insertion in model container [2025-01-09 21:25:51,169 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 09:25:51" (1/1) ... [2025-01-09 21:25:51,186 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 21:25:51,338 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 21:25:51,351 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 21:25:51,374 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 21:25:51,404 INFO L204 MainTranslator]: Completed translation [2025-01-09 21:25:51,404 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:25:51 WrapperNode [2025-01-09 21:25:51,404 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 21:25:51,405 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 21:25:51,405 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 21:25:51,405 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 21:25:51,413 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:25:51" (1/1) ... [2025-01-09 21:25:51,424 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:25:51" (1/1) ... [2025-01-09 21:25:51,440 INFO L138 Inliner]: procedures = 162, calls = 30, calls flagged for inlining = 5, calls inlined = 6, statements flattened = 90 [2025-01-09 21:25:51,442 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 21:25:51,443 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 21:25:51,443 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 21:25:51,444 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 21:25:51,448 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:25:51" (1/1) ... [2025-01-09 21:25:51,448 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:25:51" (1/1) ... [2025-01-09 21:25:51,449 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:25:51" (1/1) ... [2025-01-09 21:25:51,451 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:25:51" (1/1) ... [2025-01-09 21:25:51,454 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:25:51" (1/1) ... [2025-01-09 21:25:51,458 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:25:51" (1/1) ... [2025-01-09 21:25:51,459 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:25:51" (1/1) ... [2025-01-09 21:25:51,460 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:25:51" (1/1) ... [2025-01-09 21:25:51,460 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:25:51" (1/1) ... [2025-01-09 21:25:51,461 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 21:25:51,466 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 21:25:51,466 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 21:25:51,466 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 21:25:51,466 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:25:51" (1/1) ... [2025-01-09 21:25:51,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 21:25:51,483 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 21:25:51,501 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-09 21:25:51,508 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-09 21:25:51,521 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-01-09 21:25:51,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 21:25:51,521 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2025-01-09 21:25:51,522 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2025-01-09 21:25:51,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-01-09 21:25:51,522 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-01-09 21:25:51,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 21:25:51,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 21:25:51,523 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-01-09 21:25:51,605 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 21:25:51,607 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 21:25:51,719 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-01-09 21:25:51,719 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 21:25:51,742 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 21:25:51,742 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-09 21:25:51,743 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 09:25:51 BoogieIcfgContainer [2025-01-09 21:25:51,743 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 21:25:51,744 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 21:25:51,744 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 21:25:51,747 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 21:25:51,748 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 09:25:51" (1/3) ... [2025-01-09 21:25:51,748 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ff8a4bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 09:25:51, skipping insertion in model container [2025-01-09 21:25:51,748 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:25:51" (2/3) ... [2025-01-09 21:25:51,748 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ff8a4bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 09:25:51, skipping insertion in model container [2025-01-09 21:25:51,748 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 09:25:51" (3/3) ... [2025-01-09 21:25:51,749 INFO L128 eAbstractionObserver]: Analyzing ICFG 13-privatized_19-publish-precision_true.i [2025-01-09 21:25:51,758 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 21:25:51,759 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 13-privatized_19-publish-precision_true.i that has 2 procedures, 96 locations, 1 initial locations, 0 loop locations, and 4 error locations. [2025-01-09 21:25:51,759 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-01-09 21:25:51,792 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2025-01-09 21:25:51,813 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 99 places, 99 transitions, 205 flow [2025-01-09 21:25:51,842 INFO L124 PetriNetUnfolderBase]: 4/98 cut-off events. [2025-01-09 21:25:51,844 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-01-09 21:25:51,846 INFO L83 FinitePrefix]: Finished finitePrefix Result has 103 conditions, 98 events. 4/98 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 42 event pairs, 0 based on Foata normal form. 0/90 useless extension candidates. Maximal degree in co-relation 49. Up to 2 conditions per place. [2025-01-09 21:25:51,847 INFO L82 GeneralOperation]: Start removeDead. Operand has 99 places, 99 transitions, 205 flow [2025-01-09 21:25:51,849 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 85 places, 85 transitions, 173 flow [2025-01-09 21:25:51,854 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 21:25:51,860 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;@5b696def, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 21:25:51,861 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2025-01-09 21:25:51,866 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-01-09 21:25:51,866 INFO L124 PetriNetUnfolderBase]: 0/25 cut-off events. [2025-01-09 21:25:51,866 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-01-09 21:25:51,867 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:25:51,867 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] [2025-01-09 21:25:51,867 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2025-01-09 21:25:51,870 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:25:51,871 INFO L85 PathProgramCache]: Analyzing trace with hash 769354745, now seen corresponding path program 1 times [2025-01-09 21:25:51,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:25:51,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232712427] [2025-01-09 21:25:51,876 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:25:51,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:25:51,925 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-01-09 21:25:51,932 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-01-09 21:25:51,932 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:25:51,932 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:25:51,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 21:25:51,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:25:51,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232712427] [2025-01-09 21:25:51,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1232712427] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:25:51,993 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:25:51,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 21:25:51,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677953880] [2025-01-09 21:25:51,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:25:51,999 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 21:25:52,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:25:52,014 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 21:25:52,014 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 21:25:52,031 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 99 [2025-01-09 21:25:52,033 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 85 places, 85 transitions, 173 flow. Second operand has 3 states, 3 states have (on average 75.66666666666667) internal successors, (227), 3 states have internal predecessors, (227), 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) [2025-01-09 21:25:52,033 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:25:52,033 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 99 [2025-01-09 21:25:52,034 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:25:52,070 INFO L124 PetriNetUnfolderBase]: 16/149 cut-off events. [2025-01-09 21:25:52,071 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-01-09 21:25:52,071 INFO L83 FinitePrefix]: Finished finitePrefix Result has 199 conditions, 149 events. 16/149 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 318 event pairs, 8 based on Foata normal form. 8/149 useless extension candidates. Maximal degree in co-relation 152. Up to 25 conditions per place. [2025-01-09 21:25:52,072 INFO L140 encePairwiseOnDemand]: 89/99 looper letters, 11 selfloop transitions, 4 changer transitions 3/77 dead transitions. [2025-01-09 21:25:52,073 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 77 transitions, 187 flow [2025-01-09 21:25:52,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 21:25:52,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-01-09 21:25:52,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 246 transitions. [2025-01-09 21:25:52,081 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8282828282828283 [2025-01-09 21:25:52,098 INFO L175 Difference]: Start difference. First operand has 85 places, 85 transitions, 173 flow. Second operand 3 states and 246 transitions. [2025-01-09 21:25:52,099 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 77 transitions, 187 flow [2025-01-09 21:25:52,102 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 77 transitions, 186 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-01-09 21:25:52,104 INFO L231 Difference]: Finished difference. Result has 80 places, 72 transitions, 154 flow [2025-01-09 21:25:52,105 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=99, PETRI_DIFFERENCE_MINUEND_FLOW=152, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=154, PETRI_PLACES=80, PETRI_TRANSITIONS=72} [2025-01-09 21:25:52,107 INFO L279 CegarLoopForPetriNet]: 85 programPoint places, -5 predicate places. [2025-01-09 21:25:52,108 INFO L471 AbstractCegarLoop]: Abstraction has has 80 places, 72 transitions, 154 flow [2025-01-09 21:25:52,108 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 75.66666666666667) internal successors, (227), 3 states have internal predecessors, (227), 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) [2025-01-09 21:25:52,108 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:25:52,108 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 21:25:52,108 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-09 21:25:52,108 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2025-01-09 21:25:52,109 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:25:52,109 INFO L85 PathProgramCache]: Analyzing trace with hash 281461201, now seen corresponding path program 1 times [2025-01-09 21:25:52,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:25:52,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451119191] [2025-01-09 21:25:52,109 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:25:52,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:25:52,121 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-01-09 21:25:52,130 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-01-09 21:25:52,130 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:25:52,130 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:25:52,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 21:25:52,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:25:52,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1451119191] [2025-01-09 21:25:52,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1451119191] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:25:52,175 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:25:52,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 21:25:52,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007418475] [2025-01-09 21:25:52,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:25:52,176 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 21:25:52,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:25:52,176 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 21:25:52,176 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 21:25:52,193 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 99 [2025-01-09 21:25:52,193 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 72 transitions, 154 flow. Second operand has 3 states, 3 states have (on average 77.33333333333333) internal successors, (232), 3 states have internal predecessors, (232), 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) [2025-01-09 21:25:52,193 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:25:52,194 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 99 [2025-01-09 21:25:52,194 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:25:52,231 INFO L124 PetriNetUnfolderBase]: 20/147 cut-off events. [2025-01-09 21:25:52,231 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2025-01-09 21:25:52,231 INFO L83 FinitePrefix]: Finished finitePrefix Result has 216 conditions, 147 events. 20/147 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 328 event pairs, 16 based on Foata normal form. 0/143 useless extension candidates. Maximal degree in co-relation 172. Up to 45 conditions per place. [2025-01-09 21:25:52,232 INFO L140 encePairwiseOnDemand]: 96/99 looper letters, 14 selfloop transitions, 2 changer transitions 0/73 dead transitions. [2025-01-09 21:25:52,232 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 73 transitions, 188 flow [2025-01-09 21:25:52,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 21:25:52,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-01-09 21:25:52,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 242 transitions. [2025-01-09 21:25:52,234 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8148148148148148 [2025-01-09 21:25:52,234 INFO L175 Difference]: Start difference. First operand has 80 places, 72 transitions, 154 flow. Second operand 3 states and 242 transitions. [2025-01-09 21:25:52,234 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 73 transitions, 188 flow [2025-01-09 21:25:52,235 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 73 transitions, 180 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-01-09 21:25:52,236 INFO L231 Difference]: Finished difference. Result has 76 places, 71 transitions, 148 flow [2025-01-09 21:25:52,236 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=99, PETRI_DIFFERENCE_MINUEND_FLOW=144, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=71, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=148, PETRI_PLACES=76, PETRI_TRANSITIONS=71} [2025-01-09 21:25:52,236 INFO L279 CegarLoopForPetriNet]: 85 programPoint places, -9 predicate places. [2025-01-09 21:25:52,236 INFO L471 AbstractCegarLoop]: Abstraction has has 76 places, 71 transitions, 148 flow [2025-01-09 21:25:52,237 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 77.33333333333333) internal successors, (232), 3 states have internal predecessors, (232), 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) [2025-01-09 21:25:52,237 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:25:52,237 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 21:25:52,237 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-09 21:25:52,237 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2025-01-09 21:25:52,238 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:25:52,238 INFO L85 PathProgramCache]: Analyzing trace with hash 523890621, now seen corresponding path program 1 times [2025-01-09 21:25:52,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:25:52,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594511401] [2025-01-09 21:25:52,238 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:25:52,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:25:52,249 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 62 statements into 1 equivalence classes. [2025-01-09 21:25:52,256 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 62 of 62 statements. [2025-01-09 21:25:52,256 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:25:52,256 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:25:52,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 21:25:52,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:25:52,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594511401] [2025-01-09 21:25:52,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1594511401] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:25:52,298 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:25:52,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 21:25:52,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187872738] [2025-01-09 21:25:52,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:25:52,298 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 21:25:52,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:25:52,299 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 21:25:52,299 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 21:25:52,316 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 99 [2025-01-09 21:25:52,316 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 71 transitions, 148 flow. Second operand has 3 states, 3 states have (on average 78.66666666666667) internal successors, (236), 3 states have internal predecessors, (236), 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) [2025-01-09 21:25:52,316 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:25:52,317 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 99 [2025-01-09 21:25:52,317 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:25:52,343 INFO L124 PetriNetUnfolderBase]: 16/140 cut-off events. [2025-01-09 21:25:52,343 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2025-01-09 21:25:52,344 INFO L83 FinitePrefix]: Finished finitePrefix Result has 195 conditions, 140 events. 16/140 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 290 event pairs, 14 based on Foata normal form. 3/139 useless extension candidates. Maximal degree in co-relation 152. Up to 40 conditions per place. [2025-01-09 21:25:52,344 INFO L140 encePairwiseOnDemand]: 97/99 looper letters, 0 selfloop transitions, 0 changer transitions 72/72 dead transitions. [2025-01-09 21:25:52,344 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 72 transitions, 178 flow [2025-01-09 21:25:52,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 21:25:52,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-01-09 21:25:52,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 240 transitions. [2025-01-09 21:25:52,345 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8080808080808081 [2025-01-09 21:25:52,345 INFO L175 Difference]: Start difference. First operand has 76 places, 71 transitions, 148 flow. Second operand 3 states and 240 transitions. [2025-01-09 21:25:52,345 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 72 transitions, 178 flow [2025-01-09 21:25:52,346 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 72 transitions, 174 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-01-09 21:25:52,346 INFO L231 Difference]: Finished difference. Result has 75 places, 0 transitions, 0 flow [2025-01-09 21:25:52,346 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=99, PETRI_DIFFERENCE_MINUEND_FLOW=142, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=70, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=75, PETRI_TRANSITIONS=0} [2025-01-09 21:25:52,347 INFO L279 CegarLoopForPetriNet]: 85 programPoint places, -10 predicate places. [2025-01-09 21:25:52,347 INFO L471 AbstractCegarLoop]: Abstraction has has 75 places, 0 transitions, 0 flow [2025-01-09 21:25:52,347 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 78.66666666666667) internal successors, (236), 3 states have internal predecessors, (236), 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) [2025-01-09 21:25:52,349 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (7 of 8 remaining) [2025-01-09 21:25:52,349 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 8 remaining) [2025-01-09 21:25:52,349 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (5 of 8 remaining) [2025-01-09 21:25:52,350 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (4 of 8 remaining) [2025-01-09 21:25:52,350 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (3 of 8 remaining) [2025-01-09 21:25:52,350 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (2 of 8 remaining) [2025-01-09 21:25:52,350 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 8 remaining) [2025-01-09 21:25:52,350 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (0 of 8 remaining) [2025-01-09 21:25:52,350 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-09 21:25:52,350 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2025-01-09 21:25:52,353 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-01-09 21:25:52,353 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-09 21:25:52,357 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.01 09:25:52 BasicIcfg [2025-01-09 21:25:52,357 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-09 21:25:52,357 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-09 21:25:52,357 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-09 21:25:52,357 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-09 21:25:52,358 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 09:25:51" (3/4) ... [2025-01-09 21:25:52,359 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-01-09 21:25:52,360 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2025-01-09 21:25:52,363 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2025-01-09 21:25:52,363 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-01-09 21:25:52,363 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2025-01-09 21:25:52,363 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-01-09 21:25:52,407 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-01-09 21:25:52,407 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-01-09 21:25:52,407 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-09 21:25:52,408 INFO L158 Benchmark]: Toolchain (without parser) took 1243.44ms. Allocated memory is still 142.6MB. Free memory was 106.1MB in the beginning and 64.8MB in the end (delta: 41.2MB). Peak memory consumption was 40.6MB. Max. memory is 16.1GB. [2025-01-09 21:25:52,408 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 201.3MB. Free memory is still 126.8MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 21:25:52,408 INFO L158 Benchmark]: CACSL2BoogieTranslator took 239.47ms. Allocated memory is still 142.6MB. Free memory was 105.1MB in the beginning and 86.2MB in the end (delta: 19.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-09 21:25:52,408 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.07ms. Allocated memory is still 142.6MB. Free memory was 86.2MB in the beginning and 84.3MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 21:25:52,409 INFO L158 Benchmark]: Boogie Preprocessor took 18.41ms. Allocated memory is still 142.6MB. Free memory was 84.3MB in the beginning and 83.4MB in the end (delta: 932.7kB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 21:25:52,409 INFO L158 Benchmark]: RCFGBuilder took 277.35ms. Allocated memory is still 142.6MB. Free memory was 83.4MB in the beginning and 67.5MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-09 21:25:52,409 INFO L158 Benchmark]: TraceAbstraction took 612.43ms. Allocated memory is still 142.6MB. Free memory was 67.5MB in the beginning and 70.4MB in the end (delta: -2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 21:25:52,409 INFO L158 Benchmark]: Witness Printer took 50.29ms. Allocated memory is still 142.6MB. Free memory was 70.4MB in the beginning and 64.8MB in the end (delta: 5.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 21:25:52,410 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 201.3MB. Free memory is still 126.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 239.47ms. Allocated memory is still 142.6MB. Free memory was 105.1MB in the beginning and 86.2MB in the end (delta: 19.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.07ms. Allocated memory is still 142.6MB. Free memory was 86.2MB in the beginning and 84.3MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.41ms. Allocated memory is still 142.6MB. Free memory was 84.3MB in the beginning and 83.4MB in the end (delta: 932.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 277.35ms. Allocated memory is still 142.6MB. Free memory was 83.4MB in the beginning and 67.5MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 612.43ms. Allocated memory is still 142.6MB. Free memory was 67.5MB in the beginning and 70.4MB in the end (delta: -2.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 50.29ms. Allocated memory is still 142.6MB. Free memory was 70.4MB in the beginning and 64.8MB in the end (delta: 5.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 698]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 687]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 690]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 691]: 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, 139 locations, 8 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: 0.5s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 70 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 30 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 93 IncrementalHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 2 mSDtfsCounter, 93 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=173occurred in iteration=0, 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, 0.1s InterpolantComputationTime, 133 NumberOfCodeBlocks, 133 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 130 ConstructedInterpolants, 0 QuantifiedInterpolants, 136 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! [2025-01-09 21:25:52,424 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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