./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_03-priv_inv.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version da043454 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 ../../../trunk/examples/svcomp/goblint-regression/13-privatized_03-priv_inv.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 f20707f1105ba10067156ebf4074b2c6b4682bff1e09b23f43a3f8b7604511aa --- Real Ultimate output --- This is Ultimate 0.3.0-wip.fs.system-includes-da04345-m [2025-04-30 10:28:17,153 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-30 10:28:17,197 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-04-30 10:28:17,201 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-30 10:28:17,201 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-30 10:28:17,222 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-30 10:28:17,224 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-30 10:28:17,224 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-30 10:28:17,224 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-04-30 10:28:17,224 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-04-30 10:28:17,225 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-30 10:28:17,226 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-30 10:28:17,226 INFO L153 SettingsManager]: * Use SBE=true [2025-04-30 10:28:17,226 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-30 10:28:17,226 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-04-30 10:28:17,226 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-30 10:28:17,226 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-30 10:28:17,226 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-30 10:28:17,226 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-30 10:28:17,226 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-04-30 10:28:17,226 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-04-30 10:28:17,227 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-04-30 10:28:17,227 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-04-30 10:28:17,227 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-04-30 10:28:17,227 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-30 10:28:17,227 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-30 10:28:17,227 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-04-30 10:28:17,227 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-30 10:28:17,227 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-04-30 10:28:17,227 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-30 10:28:17,227 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-30 10:28:17,228 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-30 10:28:17,228 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-30 10:28:17,228 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-30 10:28:17,228 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-30 10:28:17,228 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-30 10:28:17,228 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-30 10:28:17,228 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-04-30 10:28:17,228 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-04-30 10:28:17,228 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-04-30 10:28:17,228 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-30 10:28:17,228 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-30 10:28:17,228 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-04-30 10:28:17,228 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-04-30 10:28:17,229 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-04-30 10:28:17,229 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 -> f20707f1105ba10067156ebf4074b2c6b4682bff1e09b23f43a3f8b7604511aa [2025-04-30 10:28:17,456 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-30 10:28:17,465 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-30 10:28:17,468 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-30 10:28:17,469 INFO L270 PluginConnector]: Initializing CDTParser... [2025-04-30 10:28:17,469 INFO L274 PluginConnector]: CDTParser initialized [2025-04-30 10:28:17,470 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_03-priv_inv.i [2025-04-30 10:28:18,816 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1207e2e0/1c67d67ab5d94bd6aa97843ed5158986/FLAG29c2ab47e [2025-04-30 10:28:19,081 INFO L389 CDTParser]: Found 1 translation units. [2025-04-30 10:28:19,082 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_03-priv_inv.i [2025-04-30 10:28:19,098 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1207e2e0/1c67d67ab5d94bd6aa97843ed5158986/FLAG29c2ab47e [2025-04-30 10:28:19,867 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1207e2e0/1c67d67ab5d94bd6aa97843ed5158986 [2025-04-30 10:28:19,870 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-30 10:28:19,871 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-04-30 10:28:19,871 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-04-30 10:28:19,871 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-04-30 10:28:19,874 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-04-30 10:28:19,875 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.04 10:28:19" (1/1) ... [2025-04-30 10:28:19,875 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4657f6b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:28:19, skipping insertion in model container [2025-04-30 10:28:19,875 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.04 10:28:19" (1/1) ... [2025-04-30 10:28:19,893 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-04-30 10:28:20,114 INFO L211 PostProcessor]: Analyzing one entry point: main [2025-04-30 10:28:20,129 INFO L200 MainTranslator]: Completed pre-run [2025-04-30 10:28:20,183 INFO L211 PostProcessor]: Analyzing one entry point: main [2025-04-30 10:28:20,213 INFO L204 MainTranslator]: Completed translation [2025-04-30 10:28:20,213 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:28:20 WrapperNode [2025-04-30 10:28:20,213 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-04-30 10:28:20,214 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-30 10:28:20,214 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-30 10:28:20,214 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-30 10:28:20,218 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:28:20" (1/1) ... [2025-04-30 10:28:20,227 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:28:20" (1/1) ... [2025-04-30 10:28:20,243 INFO L138 Inliner]: procedures = 165, calls = 32, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 119 [2025-04-30 10:28:20,244 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-30 10:28:20,244 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-30 10:28:20,244 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-30 10:28:20,244 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-30 10:28:20,251 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:28:20" (1/1) ... [2025-04-30 10:28:20,252 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:28:20" (1/1) ... [2025-04-30 10:28:20,254 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:28:20" (1/1) ... [2025-04-30 10:28:20,257 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:28:20" (1/1) ... [2025-04-30 10:28:20,262 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:28:20" (1/1) ... [2025-04-30 10:28:20,262 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:28:20" (1/1) ... [2025-04-30 10:28:20,264 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:28:20" (1/1) ... [2025-04-30 10:28:20,265 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:28:20" (1/1) ... [2025-04-30 10:28:20,265 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:28:20" (1/1) ... [2025-04-30 10:28:20,269 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-30 10:28:20,270 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-30 10:28:20,270 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-30 10:28:20,270 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-30 10:28:20,271 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:28:20" (1/1) ... [2025-04-30 10:28:20,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-30 10:28:20,285 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-30 10:28:20,296 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) [2025-04-30 10:28:20,299 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 [2025-04-30 10:28:20,314 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-04-30 10:28:20,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-04-30 10:28:20,314 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2025-04-30 10:28:20,314 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2025-04-30 10:28:20,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-04-30 10:28:20,314 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-04-30 10:28:20,314 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-30 10:28:20,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-30 10:28:20,315 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-04-30 10:28:20,410 INFO L234 CfgBuilder]: Building ICFG [2025-04-30 10:28:20,413 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-30 10:28:20,601 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-30 10:28:20,601 INFO L283 CfgBuilder]: Performing block encoding [2025-04-30 10:28:20,622 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-30 10:28:20,622 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-04-30 10:28:20,622 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.04 10:28:20 BoogieIcfgContainer [2025-04-30 10:28:20,622 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-04-30 10:28:20,626 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-04-30 10:28:20,626 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-04-30 10:28:20,629 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-04-30 10:28:20,629 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.04 10:28:19" (1/3) ... [2025-04-30 10:28:20,630 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@670f4d83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.04 10:28:20, skipping insertion in model container [2025-04-30 10:28:20,630 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:28:20" (2/3) ... [2025-04-30 10:28:20,630 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@670f4d83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.04 10:28:20, skipping insertion in model container [2025-04-30 10:28:20,630 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.04 10:28:20" (3/3) ... [2025-04-30 10:28:20,631 INFO L128 eAbstractionObserver]: Analyzing ICFG 13-privatized_03-priv_inv.i [2025-04-30 10:28:20,641 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-04-30 10:28:20,642 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 13-privatized_03-priv_inv.i that has 2 procedures, 147 locations, 148 edges, 1 initial locations, 0 loop locations, and 6 error locations. [2025-04-30 10:28:20,642 INFO L490 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-04-30 10:28:20,679 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2025-04-30 10:28:20,707 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 150 places, 149 transitions, 305 flow [2025-04-30 10:28:20,755 INFO L116 PetriNetUnfolderBase]: 3/148 cut-off events. [2025-04-30 10:28:20,756 INFO L117 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-04-30 10:28:20,759 INFO L83 FinitePrefix]: Finished finitePrefix Result has 153 conditions, 148 events. 3/148 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 73 event pairs, 0 based on Foata normal form. 0/139 useless extension candidates. Maximal degree in co-relation 97. Up to 2 conditions per place. [2025-04-30 10:28:20,760 INFO L82 GeneralOperation]: Start removeDead. Operand has 150 places, 149 transitions, 305 flow [2025-04-30 10:28:20,763 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 144 places, 143 transitions, 289 flow [2025-04-30 10:28:20,768 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-04-30 10:28:20,778 INFO L340 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;@3c44cd6b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-30 10:28:20,778 INFO L341 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2025-04-30 10:28:20,794 INFO L177 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-04-30 10:28:20,794 INFO L116 PetriNetUnfolderBase]: 0/89 cut-off events. [2025-04-30 10:28:20,794 INFO L117 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-04-30 10:28:20,794 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-04-30 10:28:20,795 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-30 10:28:20,795 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2025-04-30 10:28:20,803 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-30 10:28:20,804 INFO L85 PathProgramCache]: Analyzing trace with hash 1179075357, now seen corresponding path program 1 times [2025-04-30 10:28:20,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-30 10:28:20,810 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231653008] [2025-04-30 10:28:20,810 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-30 10:28:20,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-30 10:28:20,889 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 90 statements into 1 equivalence classes. [2025-04-30 10:28:20,914 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 90 of 90 statements. [2025-04-30 10:28:20,915 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-30 10:28:20,915 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-30 10:28:21,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-30 10:28:21,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-30 10:28:21,045 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231653008] [2025-04-30 10:28:21,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1231653008] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-30 10:28:21,046 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-30 10:28:21,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-30 10:28:21,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229062811] [2025-04-30 10:28:21,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-30 10:28:21,055 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-30 10:28:21,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-30 10:28:21,070 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-30 10:28:21,070 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-30 10:28:21,105 INFO L464 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 149 [2025-04-30 10:28:21,108 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 144 places, 143 transitions, 289 flow. Second operand has 3 states, 3 states have (on average 128.66666666666666) internal successors, (386), 3 states have internal predecessors, (386), 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) [2025-04-30 10:28:21,108 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-04-30 10:28:21,108 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 149 [2025-04-30 10:28:21,109 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-04-30 10:28:21,218 INFO L116 PetriNetUnfolderBase]: 46/370 cut-off events. [2025-04-30 10:28:21,218 INFO L117 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-04-30 10:28:21,219 INFO L83 FinitePrefix]: Finished finitePrefix Result has 492 conditions, 370 events. 46/370 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1536 event pairs, 17 based on Foata normal form. 10/338 useless extension candidates. Maximal degree in co-relation 388. Up to 69 conditions per place. [2025-04-30 10:28:21,221 INFO L140 encePairwiseOnDemand]: 136/149 looper letters, 21 selfloop transitions, 8 changer transitions 1/152 dead transitions. [2025-04-30 10:28:21,221 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 145 places, 152 transitions, 365 flow [2025-04-30 10:28:21,222 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-30 10:28:21,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-04-30 10:28:21,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 419 transitions. [2025-04-30 10:28:21,234 INFO L509 CegarLoopForPetriNet]: DFA transition density 0.9373601789709173 [2025-04-30 10:28:21,236 INFO L175 Difference]: Start difference. First operand has 144 places, 143 transitions, 289 flow. Second operand 3 states and 419 transitions. [2025-04-30 10:28:21,236 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 145 places, 152 transitions, 365 flow [2025-04-30 10:28:21,240 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 144 places, 152 transitions, 364 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-04-30 10:28:21,245 INFO L231 Difference]: Finished difference. Result has 146 places, 146 transitions, 344 flow [2025-04-30 10:28:21,247 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=149, PETRI_DIFFERENCE_MINUEND_FLOW=282, PETRI_DIFFERENCE_MINUEND_PLACES=142, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=140, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=132, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=344, PETRI_PLACES=146, PETRI_TRANSITIONS=146} [2025-04-30 10:28:21,249 INFO L279 CegarLoopForPetriNet]: 144 programPoint places, 2 predicate places. [2025-04-30 10:28:21,250 INFO L485 AbstractCegarLoop]: Abstraction has has 146 places, 146 transitions, 344 flow [2025-04-30 10:28:21,250 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 128.66666666666666) internal successors, (386), 3 states have internal predecessors, (386), 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) [2025-04-30 10:28:21,251 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-04-30 10:28:21,251 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-30 10:28:21,251 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-04-30 10:28:21,251 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2025-04-30 10:28:21,252 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-30 10:28:21,253 INFO L85 PathProgramCache]: Analyzing trace with hash 1798072817, now seen corresponding path program 1 times [2025-04-30 10:28:21,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-30 10:28:21,253 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963122211] [2025-04-30 10:28:21,253 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-30 10:28:21,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-30 10:28:21,277 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 103 statements into 1 equivalence classes. [2025-04-30 10:28:21,300 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 103 of 103 statements. [2025-04-30 10:28:21,301 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-30 10:28:21,301 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-30 10:28:21,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-30 10:28:21,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-30 10:28:21,361 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [963122211] [2025-04-30 10:28:21,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [963122211] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-30 10:28:21,361 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-30 10:28:21,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-30 10:28:21,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919000340] [2025-04-30 10:28:21,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-30 10:28:21,362 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-30 10:28:21,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-30 10:28:21,362 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-30 10:28:21,363 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-30 10:28:21,388 INFO L464 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 149 [2025-04-30 10:28:21,388 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 146 places, 146 transitions, 344 flow. Second operand has 3 states, 3 states have (on average 130.33333333333334) internal successors, (391), 3 states have internal predecessors, (391), 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) [2025-04-30 10:28:21,388 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-04-30 10:28:21,389 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 149 [2025-04-30 10:28:21,389 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-04-30 10:28:21,459 INFO L116 PetriNetUnfolderBase]: 75/454 cut-off events. [2025-04-30 10:28:21,459 INFO L117 PetriNetUnfolderBase]: For 105/109 co-relation queries the response was YES. [2025-04-30 10:28:21,462 INFO L83 FinitePrefix]: Finished finitePrefix Result has 748 conditions, 454 events. 75/454 cut-off events. For 105/109 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 2180 event pairs, 34 based on Foata normal form. 1/409 useless extension candidates. Maximal degree in co-relation 642. Up to 131 conditions per place. [2025-04-30 10:28:21,465 INFO L140 encePairwiseOnDemand]: 143/149 looper letters, 23 selfloop transitions, 7 changer transitions 0/154 dead transitions. [2025-04-30 10:28:21,465 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 147 places, 154 transitions, 430 flow [2025-04-30 10:28:21,465 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-30 10:28:21,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-04-30 10:28:21,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 409 transitions. [2025-04-30 10:28:21,469 INFO L509 CegarLoopForPetriNet]: DFA transition density 0.9149888143176734 [2025-04-30 10:28:21,469 INFO L175 Difference]: Start difference. First operand has 146 places, 146 transitions, 344 flow. Second operand 3 states and 409 transitions. [2025-04-30 10:28:21,469 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 147 places, 154 transitions, 430 flow [2025-04-30 10:28:21,470 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 145 places, 154 transitions, 410 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-04-30 10:28:21,473 INFO L231 Difference]: Finished difference. Result has 147 places, 151 transitions, 384 flow [2025-04-30 10:28:21,474 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=149, PETRI_DIFFERENCE_MINUEND_FLOW=328, PETRI_DIFFERENCE_MINUEND_PLACES=143, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=146, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=139, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=384, PETRI_PLACES=147, PETRI_TRANSITIONS=151} [2025-04-30 10:28:21,474 INFO L279 CegarLoopForPetriNet]: 144 programPoint places, 3 predicate places. [2025-04-30 10:28:21,475 INFO L485 AbstractCegarLoop]: Abstraction has has 147 places, 151 transitions, 384 flow [2025-04-30 10:28:21,475 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 130.33333333333334) internal successors, (391), 3 states have internal predecessors, (391), 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) [2025-04-30 10:28:21,475 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-04-30 10:28:21,475 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-30 10:28:21,475 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-04-30 10:28:21,476 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2025-04-30 10:28:21,476 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-30 10:28:21,477 INFO L85 PathProgramCache]: Analyzing trace with hash -136286971, now seen corresponding path program 1 times [2025-04-30 10:28:21,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-30 10:28:21,478 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887502702] [2025-04-30 10:28:21,478 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-30 10:28:21,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-30 10:28:21,500 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 107 statements into 1 equivalence classes. [2025-04-30 10:28:21,509 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 107 of 107 statements. [2025-04-30 10:28:21,513 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-30 10:28:21,514 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-30 10:28:21,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-30 10:28:21,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-30 10:28:21,697 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887502702] [2025-04-30 10:28:21,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [887502702] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-30 10:28:21,698 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-30 10:28:21,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-30 10:28:21,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276849802] [2025-04-30 10:28:21,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-30 10:28:21,699 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-30 10:28:21,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-30 10:28:21,699 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-30 10:28:21,700 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-30 10:28:21,713 INFO L464 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 149 [2025-04-30 10:28:21,713 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 147 places, 151 transitions, 384 flow. Second operand has 3 states, 3 states have (on average 140.33333333333334) internal successors, (421), 3 states have internal predecessors, (421), 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) [2025-04-30 10:28:21,713 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-04-30 10:28:21,714 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 149 [2025-04-30 10:28:21,714 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-04-30 10:28:21,740 INFO L116 PetriNetUnfolderBase]: 7/242 cut-off events. [2025-04-30 10:28:21,740 INFO L117 PetriNetUnfolderBase]: For 24/26 co-relation queries the response was YES. [2025-04-30 10:28:21,741 INFO L83 FinitePrefix]: Finished finitePrefix Result has 331 conditions, 242 events. 7/242 cut-off events. For 24/26 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 635 event pairs, 0 based on Foata normal form. 2/227 useless extension candidates. Maximal degree in co-relation 226. Up to 19 conditions per place. [2025-04-30 10:28:21,742 INFO L140 encePairwiseOnDemand]: 144/149 looper letters, 2 selfloop transitions, 5 changer transitions 0/146 dead transitions. [2025-04-30 10:28:21,742 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 148 places, 146 transitions, 370 flow [2025-04-30 10:28:21,742 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-30 10:28:21,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-04-30 10:28:21,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 426 transitions. [2025-04-30 10:28:21,744 INFO L509 CegarLoopForPetriNet]: DFA transition density 0.9530201342281879 [2025-04-30 10:28:21,744 INFO L175 Difference]: Start difference. First operand has 147 places, 151 transitions, 384 flow. Second operand 3 states and 426 transitions. [2025-04-30 10:28:21,744 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 148 places, 146 transitions, 370 flow [2025-04-30 10:28:21,747 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 146 places, 146 transitions, 352 flow, removed 4 selfloop flow, removed 2 redundant places. [2025-04-30 10:28:21,750 INFO L231 Difference]: Finished difference. Result has 146 places, 146 transitions, 348 flow [2025-04-30 10:28:21,750 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=149, PETRI_DIFFERENCE_MINUEND_FLOW=338, PETRI_DIFFERENCE_MINUEND_PLACES=144, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=146, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=141, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=348, PETRI_PLACES=146, PETRI_TRANSITIONS=146} [2025-04-30 10:28:21,751 INFO L279 CegarLoopForPetriNet]: 144 programPoint places, 2 predicate places. [2025-04-30 10:28:21,751 INFO L485 AbstractCegarLoop]: Abstraction has has 146 places, 146 transitions, 348 flow [2025-04-30 10:28:21,752 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 140.33333333333334) internal successors, (421), 3 states have internal predecessors, (421), 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) [2025-04-30 10:28:21,752 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-04-30 10:28:21,752 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-30 10:28:21,752 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-04-30 10:28:21,752 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2025-04-30 10:28:21,753 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-30 10:28:21,753 INFO L85 PathProgramCache]: Analyzing trace with hash 1478697317, now seen corresponding path program 1 times [2025-04-30 10:28:21,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-30 10:28:21,753 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605012325] [2025-04-30 10:28:21,753 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-30 10:28:21,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-30 10:28:21,772 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 107 statements into 1 equivalence classes. [2025-04-30 10:28:21,780 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 107 of 107 statements. [2025-04-30 10:28:21,780 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-30 10:28:21,780 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-30 10:28:21,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-30 10:28:21,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-30 10:28:21,845 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605012325] [2025-04-30 10:28:21,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [605012325] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-30 10:28:21,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-30 10:28:21,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-30 10:28:21,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570573502] [2025-04-30 10:28:21,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-30 10:28:21,845 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-30 10:28:21,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-30 10:28:21,846 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-30 10:28:21,846 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-30 10:28:21,860 INFO L464 CegarLoopForPetriNet]: Number of universal loopers: 131 out of 149 [2025-04-30 10:28:21,861 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 146 places, 146 transitions, 348 flow. Second operand has 3 states, 3 states have (on average 133.33333333333334) internal successors, (400), 3 states have internal predecessors, (400), 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) [2025-04-30 10:28:21,861 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-04-30 10:28:21,861 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 131 of 149 [2025-04-30 10:28:21,861 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-04-30 10:28:21,886 INFO L116 PetriNetUnfolderBase]: 0/154 cut-off events. [2025-04-30 10:28:21,886 INFO L117 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2025-04-30 10:28:21,886 INFO L83 FinitePrefix]: Finished finitePrefix Result has 205 conditions, 154 events. 0/154 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 74 event pairs, 0 based on Foata normal form. 0/152 useless extension candidates. Maximal degree in co-relation 0. Up to 15 conditions per place. [2025-04-30 10:28:21,886 INFO L140 encePairwiseOnDemand]: 145/149 looper letters, 7 selfloop transitions, 3 changer transitions 6/127 dead transitions. [2025-04-30 10:28:21,886 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 137 places, 127 transitions, 306 flow [2025-04-30 10:28:21,887 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-30 10:28:21,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-04-30 10:28:21,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 405 transitions. [2025-04-30 10:28:21,889 INFO L509 CegarLoopForPetriNet]: DFA transition density 0.9060402684563759 [2025-04-30 10:28:21,889 INFO L175 Difference]: Start difference. First operand has 146 places, 146 transitions, 348 flow. Second operand 3 states and 405 transitions. [2025-04-30 10:28:21,889 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 137 places, 127 transitions, 306 flow [2025-04-30 10:28:21,890 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 134 places, 127 transitions, 294 flow, removed 2 selfloop flow, removed 3 redundant places. [2025-04-30 10:28:21,892 INFO L231 Difference]: Finished difference. Result has 134 places, 121 transitions, 263 flow [2025-04-30 10:28:21,892 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=149, PETRI_DIFFERENCE_MINUEND_FLOW=272, PETRI_DIFFERENCE_MINUEND_PLACES=132, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=127, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=124, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=263, PETRI_PLACES=134, PETRI_TRANSITIONS=121} [2025-04-30 10:28:21,894 INFO L279 CegarLoopForPetriNet]: 144 programPoint places, -10 predicate places. [2025-04-30 10:28:21,894 INFO L485 AbstractCegarLoop]: Abstraction has has 134 places, 121 transitions, 263 flow [2025-04-30 10:28:21,895 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 133.33333333333334) internal successors, (400), 3 states have internal predecessors, (400), 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) [2025-04-30 10:28:21,895 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-04-30 10:28:21,895 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-30 10:28:21,895 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-04-30 10:28:21,895 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2025-04-30 10:28:21,896 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-30 10:28:21,896 INFO L85 PathProgramCache]: Analyzing trace with hash -51887796, now seen corresponding path program 1 times [2025-04-30 10:28:21,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-30 10:28:21,896 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157457572] [2025-04-30 10:28:21,897 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-30 10:28:21,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-30 10:28:21,907 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 111 statements into 1 equivalence classes. [2025-04-30 10:28:21,915 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 111 of 111 statements. [2025-04-30 10:28:21,916 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-30 10:28:21,916 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-30 10:28:21,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-30 10:28:21,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-30 10:28:21,953 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157457572] [2025-04-30 10:28:21,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [157457572] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-30 10:28:21,953 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-30 10:28:21,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-30 10:28:21,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570434940] [2025-04-30 10:28:21,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-30 10:28:21,954 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-30 10:28:21,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-30 10:28:21,955 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-30 10:28:21,955 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-30 10:28:21,984 INFO L464 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 149 [2025-04-30 10:28:21,985 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 134 places, 121 transitions, 263 flow. Second operand has 3 states, 3 states have (on average 131.0) internal successors, (393), 3 states have internal predecessors, (393), 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) [2025-04-30 10:28:21,985 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-04-30 10:28:21,985 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 149 [2025-04-30 10:28:21,985 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-04-30 10:28:21,999 INFO L116 PetriNetUnfolderBase]: 0/133 cut-off events. [2025-04-30 10:28:21,999 INFO L117 PetriNetUnfolderBase]: For 8/9 co-relation queries the response was YES. [2025-04-30 10:28:22,000 INFO L83 FinitePrefix]: Finished finitePrefix Result has 170 conditions, 133 events. 0/133 cut-off events. For 8/9 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 38 event pairs, 0 based on Foata normal form. 2/135 useless extension candidates. Maximal degree in co-relation 0. Up to 15 conditions per place. [2025-04-30 10:28:22,000 INFO L140 encePairwiseOnDemand]: 147/149 looper letters, 0 selfloop transitions, 0 changer transitions 120/120 dead transitions. [2025-04-30 10:28:22,000 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 130 places, 120 transitions, 283 flow [2025-04-30 10:28:22,000 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-30 10:28:22,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-04-30 10:28:22,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 396 transitions. [2025-04-30 10:28:22,001 INFO L509 CegarLoopForPetriNet]: DFA transition density 0.8859060402684564 [2025-04-30 10:28:22,001 INFO L175 Difference]: Start difference. First operand has 134 places, 121 transitions, 263 flow. Second operand 3 states and 396 transitions. [2025-04-30 10:28:22,001 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 130 places, 120 transitions, 283 flow [2025-04-30 10:28:22,002 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 126 places, 120 transitions, 267 flow, removed 1 selfloop flow, removed 4 redundant places. [2025-04-30 10:28:22,002 INFO L231 Difference]: Finished difference. Result has 126 places, 0 transitions, 0 flow [2025-04-30 10:28:22,003 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=149, PETRI_DIFFERENCE_MINUEND_FLOW=245, PETRI_DIFFERENCE_MINUEND_PLACES=124, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=120, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=120, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=126, PETRI_TRANSITIONS=0} [2025-04-30 10:28:22,003 INFO L279 CegarLoopForPetriNet]: 144 programPoint places, -18 predicate places. [2025-04-30 10:28:22,003 INFO L485 AbstractCegarLoop]: Abstraction has has 126 places, 0 transitions, 0 flow [2025-04-30 10:28:22,004 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 131.0) internal successors, (393), 3 states have internal predecessors, (393), 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) [2025-04-30 10:28:22,005 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (8 of 9 remaining) [2025-04-30 10:28:22,006 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (7 of 9 remaining) [2025-04-30 10:28:22,006 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (6 of 9 remaining) [2025-04-30 10:28:22,006 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (5 of 9 remaining) [2025-04-30 10:28:22,006 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 9 remaining) [2025-04-30 10:28:22,006 INFO L790 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 9 remaining) [2025-04-30 10:28:22,006 INFO L790 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 9 remaining) [2025-04-30 10:28:22,006 INFO L790 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 9 remaining) [2025-04-30 10:28:22,006 INFO L790 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 9 remaining) [2025-04-30 10:28:22,006 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-04-30 10:28:22,007 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2025-04-30 10:28:22,011 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-04-30 10:28:22,011 INFO L171 ceAbstractionStarter]: Computing trace abstraction results [2025-04-30 10:28:22,014 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.04 10:28:22 BasicIcfg [2025-04-30 10:28:22,014 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-04-30 10:28:22,014 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-04-30 10:28:22,015 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-04-30 10:28:22,015 INFO L274 PluginConnector]: Witness Printer initialized [2025-04-30 10:28:22,015 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.04 10:28:20" (3/4) ... [2025-04-30 10:28:22,016 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-04-30 10:28:22,018 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2025-04-30 10:28:22,020 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2025-04-30 10:28:22,020 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2025-04-30 10:28:22,021 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2025-04-30 10:28:22,021 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-04-30 10:28:22,021 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-04-30 10:28:22,087 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-04-30 10:28:22,088 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-04-30 10:28:22,088 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-04-30 10:28:22,088 INFO L158 Benchmark]: Toolchain (without parser) took 2217.96ms. Allocated memory is still 167.8MB. Free memory was 121.6MB in the beginning and 128.1MB in the end (delta: -6.5MB). Peak memory consumption was 81.7MB. Max. memory is 16.1GB. [2025-04-30 10:28:22,089 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 201.3MB. Free memory is still 119.0MB. There was no memory consumed. Max. memory is 16.1GB. [2025-04-30 10:28:22,089 INFO L158 Benchmark]: CACSL2BoogieTranslator took 342.16ms. Allocated memory is still 167.8MB. Free memory was 121.6MB in the beginning and 98.6MB in the end (delta: 22.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-04-30 10:28:22,089 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.85ms. Allocated memory is still 167.8MB. Free memory was 98.6MB in the beginning and 96.7MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2025-04-30 10:28:22,089 INFO L158 Benchmark]: Boogie Preprocessor took 25.47ms. Allocated memory is still 167.8MB. Free memory was 96.7MB in the beginning and 95.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2025-04-30 10:28:22,089 INFO L158 Benchmark]: RCFGBuilder took 352.18ms. Allocated memory is still 167.8MB. Free memory was 95.4MB in the beginning and 78.0MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-04-30 10:28:22,089 INFO L158 Benchmark]: TraceAbstraction took 1388.32ms. Allocated memory is still 167.8MB. Free memory was 77.4MB in the beginning and 49.5MB in the end (delta: 27.9MB). Peak memory consumption was 30.7MB. Max. memory is 16.1GB. [2025-04-30 10:28:22,090 INFO L158 Benchmark]: Witness Printer took 73.48ms. Allocated memory is still 167.8MB. Free memory was 49.5MB in the beginning and 128.1MB in the end (delta: -78.6MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. [2025-04-30 10:28:22,091 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 201.3MB. Free memory is still 119.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 342.16ms. Allocated memory is still 167.8MB. Free memory was 121.6MB in the beginning and 98.6MB in the end (delta: 22.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.85ms. Allocated memory is still 167.8MB. Free memory was 98.6MB in the beginning and 96.7MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 25.47ms. Allocated memory is still 167.8MB. Free memory was 96.7MB in the beginning and 95.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 352.18ms. Allocated memory is still 167.8MB. Free memory was 95.4MB in the beginning and 78.0MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1388.32ms. Allocated memory is still 167.8MB. Free memory was 77.4MB in the beginning and 49.5MB in the end (delta: 27.9MB). Peak memory consumption was 30.7MB. Max. memory is 16.1GB. * Witness Printer took 73.48ms. Allocated memory is still 167.8MB. Free memory was 49.5MB in the beginning and 128.1MB in the end (delta: -78.6MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 704]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 707]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 708]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 709]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 694]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 699]: 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, 169 locations, 172 edges, 9 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.3s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 142 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 50 mSDsluCounter, 23 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 16 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 159 IncrementalHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16 mSolverCounterUnsat, 23 mSDtfsCounter, 159 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=384occurred in iteration=2, InterpolantAutomatonStates: 15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 518 NumberOfCodeBlocks, 518 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 513 ConstructedInterpolants, 0 QuantifiedInterpolants, 707 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-04-30 10:28:22,105 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