./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/goblint-regression/13-privatized_01-priv_nr_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 8fc3dc66 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/goblint-regression/13-privatized_01-priv_nr_true.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2f12d466eb2f537fd698a609dad75de92993414755aa8aadb35a91de87d65611 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 11:07:16,902 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 11:07:16,958 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-03-17 11:07:16,963 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 11:07:16,963 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 11:07:16,985 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 11:07:16,986 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 11:07:16,986 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 11:07:16,987 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 11:07:16,987 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 11:07:16,987 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 11:07:16,987 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 11:07:16,988 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 11:07:16,988 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 11:07:16,989 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 11:07:16,989 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-17 11:07:16,989 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 11:07:16,989 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-17 11:07:16,989 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 11:07:16,989 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 11:07:16,989 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 11:07:16,989 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 11:07:16,990 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-03-17 11:07:16,990 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-17 11:07:16,990 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-17 11:07:16,990 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 11:07:16,990 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 11:07:16,990 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 11:07:16,990 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 11:07:16,990 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 11:07:16,990 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 11:07:16,990 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 11:07:16,990 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 11:07:16,990 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 11:07:16,990 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 11:07:16,991 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 11:07:16,991 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 11:07:16,991 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 11:07:16,991 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 11:07:16,991 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 11:07:16,991 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 11:07:16,991 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 11:07:16,991 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 -> 2f12d466eb2f537fd698a609dad75de92993414755aa8aadb35a91de87d65611 [2025-03-17 11:07:17,216 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 11:07:17,221 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 11:07:17,226 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 11:07:17,227 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 11:07:17,227 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 11:07:17,228 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/13-privatized_01-priv_nr_true.i [2025-03-17 11:07:18,350 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5787c887c/7799a78e172c4499a25e10612a7ac2dc/FLAG72d4aaeae [2025-03-17 11:07:18,653 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 11:07:18,654 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_01-priv_nr_true.i [2025-03-17 11:07:18,663 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5787c887c/7799a78e172c4499a25e10612a7ac2dc/FLAG72d4aaeae [2025-03-17 11:07:18,918 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5787c887c/7799a78e172c4499a25e10612a7ac2dc [2025-03-17 11:07:18,920 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 11:07:18,921 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 11:07:18,922 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 11:07:18,922 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 11:07:18,929 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 11:07:18,929 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 11:07:18" (1/1) ... [2025-03-17 11:07:18,930 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49497d00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:07:18, skipping insertion in model container [2025-03-17 11:07:18,930 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 11:07:18" (1/1) ... [2025-03-17 11:07:18,954 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 11:07:19,209 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 11:07:19,226 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 11:07:19,267 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 11:07:19,291 INFO L204 MainTranslator]: Completed translation [2025-03-17 11:07:19,292 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:07:19 WrapperNode [2025-03-17 11:07:19,292 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 11:07:19,293 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 11:07:19,293 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 11:07:19,293 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 11:07:19,298 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:07:19" (1/1) ... [2025-03-17 11:07:19,305 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:07:19" (1/1) ... [2025-03-17 11:07:19,318 INFO L138 Inliner]: procedures = 162, calls = 22, calls flagged for inlining = 7, calls inlined = 10, statements flattened = 166 [2025-03-17 11:07:19,319 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 11:07:19,319 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 11:07:19,319 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 11:07:19,319 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 11:07:19,324 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:07:19" (1/1) ... [2025-03-17 11:07:19,324 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:07:19" (1/1) ... [2025-03-17 11:07:19,326 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:07:19" (1/1) ... [2025-03-17 11:07:19,326 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:07:19" (1/1) ... [2025-03-17 11:07:19,330 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:07:19" (1/1) ... [2025-03-17 11:07:19,331 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:07:19" (1/1) ... [2025-03-17 11:07:19,332 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:07:19" (1/1) ... [2025-03-17 11:07:19,332 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:07:19" (1/1) ... [2025-03-17 11:07:19,334 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 11:07:19,334 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 11:07:19,334 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 11:07:19,334 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 11:07:19,335 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:07:19" (1/1) ... [2025-03-17 11:07:19,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 11:07:19,351 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 11:07:19,395 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-17 11:07:19,398 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-17 11:07:19,417 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-03-17 11:07:19,417 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 11:07:19,417 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2025-03-17 11:07:19,417 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2025-03-17 11:07:19,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-17 11:07:19,417 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-03-17 11:07:19,417 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 11:07:19,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 11:07:19,418 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-17 11:07:19,512 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 11:07:19,514 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 11:07:19,755 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-17 11:07:19,756 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 11:07:19,778 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 11:07:19,778 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 11:07:19,778 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 11:07:19 BoogieIcfgContainer [2025-03-17 11:07:19,779 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 11:07:19,780 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 11:07:19,780 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 11:07:19,784 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 11:07:19,785 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 11:07:18" (1/3) ... [2025-03-17 11:07:19,785 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3888897 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 11:07:19, skipping insertion in model container [2025-03-17 11:07:19,785 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:07:19" (2/3) ... [2025-03-17 11:07:19,785 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3888897 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 11:07:19, skipping insertion in model container [2025-03-17 11:07:19,785 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 11:07:19" (3/3) ... [2025-03-17 11:07:19,786 INFO L128 eAbstractionObserver]: Analyzing ICFG 13-privatized_01-priv_nr_true.i [2025-03-17 11:07:19,797 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 11:07:19,798 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 13-privatized_01-priv_nr_true.i that has 2 procedures, 190 locations, 1 initial locations, 0 loop locations, and 10 error locations. [2025-03-17 11:07:19,798 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-17 11:07:19,849 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2025-03-17 11:07:19,887 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 193 places, 197 transitions, 401 flow [2025-03-17 11:07:19,955 INFO L124 PetriNetUnfolderBase]: 8/196 cut-off events. [2025-03-17 11:07:19,960 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-03-17 11:07:19,964 INFO L83 FinitePrefix]: Finished finitePrefix Result has 201 conditions, 196 events. 8/196 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 194 event pairs, 0 based on Foata normal form. 0/178 useless extension candidates. Maximal degree in co-relation 97. Up to 2 conditions per place. [2025-03-17 11:07:19,965 INFO L82 GeneralOperation]: Start removeDead. Operand has 193 places, 197 transitions, 401 flow [2025-03-17 11:07:19,971 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 187 places, 191 transitions, 385 flow [2025-03-17 11:07:19,977 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 11:07:19,986 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;@2e4bb4fa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 11:07:19,986 INFO L334 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2025-03-17 11:07:20,009 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-17 11:07:20,009 INFO L124 PetriNetUnfolderBase]: 0/76 cut-off events. [2025-03-17 11:07:20,009 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-17 11:07:20,009 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 11:07:20,010 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] [2025-03-17 11:07:20,010 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2025-03-17 11:07:20,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:07:20,014 INFO L85 PathProgramCache]: Analyzing trace with hash -284503423, now seen corresponding path program 1 times [2025-03-17 11:07:20,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 11:07:20,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684418370] [2025-03-17 11:07:20,020 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:07:20,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 11:07:20,090 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 76 statements into 1 equivalence classes. [2025-03-17 11:07:20,136 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 76 of 76 statements. [2025-03-17 11:07:20,137 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:07:20,137 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:07:20,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 11:07:20,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 11:07:20,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684418370] [2025-03-17 11:07:20,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1684418370] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:07:20,254 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:07:20,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 11:07:20,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564000127] [2025-03-17 11:07:20,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:07:20,261 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 11:07:20,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 11:07:20,277 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 11:07:20,278 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 11:07:20,333 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 157 out of 197 [2025-03-17 11:07:20,337 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 187 places, 191 transitions, 385 flow. Second operand has 3 states, 3 states have (on average 157.66666666666666) internal successors, (473), 3 states have internal predecessors, (473), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 11:07:20,337 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 11:07:20,337 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 157 of 197 [2025-03-17 11:07:20,340 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 11:07:20,493 INFO L124 PetriNetUnfolderBase]: 110/878 cut-off events. [2025-03-17 11:07:20,493 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-03-17 11:07:20,495 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1153 conditions, 878 events. 110/878 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 5167 event pairs, 49 based on Foata normal form. 86/871 useless extension candidates. Maximal degree in co-relation 1056. Up to 167 conditions per place. [2025-03-17 11:07:20,500 INFO L140 encePairwiseOnDemand]: 168/197 looper letters, 29 selfloop transitions, 15 changer transitions 3/192 dead transitions. [2025-03-17 11:07:20,501 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 180 places, 192 transitions, 475 flow [2025-03-17 11:07:20,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 11:07:20,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-17 11:07:20,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 535 transitions. [2025-03-17 11:07:20,514 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9052453468697124 [2025-03-17 11:07:20,515 INFO L175 Difference]: Start difference. First operand has 187 places, 191 transitions, 385 flow. Second operand 3 states and 535 transitions. [2025-03-17 11:07:20,516 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 180 places, 192 transitions, 475 flow [2025-03-17 11:07:20,520 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 179 places, 192 transitions, 474 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-17 11:07:20,524 INFO L231 Difference]: Finished difference. Result has 181 places, 185 transitions, 470 flow [2025-03-17 11:07:20,526 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=197, PETRI_DIFFERENCE_MINUEND_FLOW=350, PETRI_DIFFERENCE_MINUEND_PLACES=177, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=174, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=159, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=470, PETRI_PLACES=181, PETRI_TRANSITIONS=185} [2025-03-17 11:07:20,530 INFO L279 CegarLoopForPetriNet]: 187 programPoint places, -6 predicate places. [2025-03-17 11:07:20,531 INFO L471 AbstractCegarLoop]: Abstraction has has 181 places, 185 transitions, 470 flow [2025-03-17 11:07:20,531 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 157.66666666666666) internal successors, (473), 3 states have internal predecessors, (473), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 11:07:20,531 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 11:07:20,531 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] [2025-03-17 11:07:20,531 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-17 11:07:20,532 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2025-03-17 11:07:20,532 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:07:20,532 INFO L85 PathProgramCache]: Analyzing trace with hash 1166148764, now seen corresponding path program 1 times [2025-03-17 11:07:20,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 11:07:20,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913581468] [2025-03-17 11:07:20,534 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:07:20,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 11:07:20,555 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 97 statements into 1 equivalence classes. [2025-03-17 11:07:20,572 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 97 of 97 statements. [2025-03-17 11:07:20,574 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:07:20,574 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:07:20,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 11:07:20,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 11:07:20,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913581468] [2025-03-17 11:07:20,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [913581468] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:07:20,642 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:07:20,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 11:07:20,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354850654] [2025-03-17 11:07:20,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:07:20,643 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 11:07:20,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 11:07:20,644 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 11:07:20,645 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 11:07:20,707 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 197 [2025-03-17 11:07:20,708 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 181 places, 185 transitions, 470 flow. Second operand has 3 states, 3 states have (on average 165.66666666666666) internal successors, (497), 3 states have internal predecessors, (497), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 11:07:20,708 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 11:07:20,708 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 197 [2025-03-17 11:07:20,708 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 11:07:20,819 INFO L124 PetriNetUnfolderBase]: 132/983 cut-off events. [2025-03-17 11:07:20,819 INFO L125 PetriNetUnfolderBase]: For 296/323 co-relation queries the response was YES. [2025-03-17 11:07:20,823 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1601 conditions, 983 events. 132/983 cut-off events. For 296/323 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 6150 event pairs, 59 based on Foata normal form. 2/889 useless extension candidates. Maximal degree in co-relation 1504. Up to 230 conditions per place. [2025-03-17 11:07:20,827 INFO L140 encePairwiseOnDemand]: 189/197 looper letters, 29 selfloop transitions, 10 changer transitions 0/195 dead transitions. [2025-03-17 11:07:20,827 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 180 places, 195 transitions, 588 flow [2025-03-17 11:07:20,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 11:07:20,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-17 11:07:20,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 518 transitions. [2025-03-17 11:07:20,829 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8764805414551607 [2025-03-17 11:07:20,829 INFO L175 Difference]: Start difference. First operand has 181 places, 185 transitions, 470 flow. Second operand 3 states and 518 transitions. [2025-03-17 11:07:20,829 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 180 places, 195 transitions, 588 flow [2025-03-17 11:07:20,831 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 178 places, 195 transitions, 550 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-17 11:07:20,835 INFO L231 Difference]: Finished difference. Result has 180 places, 193 transitions, 526 flow [2025-03-17 11:07:20,835 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=197, PETRI_DIFFERENCE_MINUEND_FLOW=440, PETRI_DIFFERENCE_MINUEND_PLACES=176, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=185, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=175, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=526, PETRI_PLACES=180, PETRI_TRANSITIONS=193} [2025-03-17 11:07:20,836 INFO L279 CegarLoopForPetriNet]: 187 programPoint places, -7 predicate places. [2025-03-17 11:07:20,836 INFO L471 AbstractCegarLoop]: Abstraction has has 180 places, 193 transitions, 526 flow [2025-03-17 11:07:20,837 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 165.66666666666666) internal successors, (497), 3 states have internal predecessors, (497), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 11:07:20,837 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 11:07:20,837 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] [2025-03-17 11:07:20,837 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-17 11:07:20,837 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2025-03-17 11:07:20,838 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:07:20,838 INFO L85 PathProgramCache]: Analyzing trace with hash -424220049, now seen corresponding path program 1 times [2025-03-17 11:07:20,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 11:07:20,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20290658] [2025-03-17 11:07:20,838 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:07:20,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 11:07:20,856 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 102 statements into 1 equivalence classes. [2025-03-17 11:07:20,871 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 102 of 102 statements. [2025-03-17 11:07:20,871 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:07:20,871 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:07:21,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 11:07:21,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 11:07:21,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20290658] [2025-03-17 11:07:21,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [20290658] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:07:21,030 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:07:21,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 11:07:21,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584349972] [2025-03-17 11:07:21,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:07:21,031 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 11:07:21,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 11:07:21,031 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 11:07:21,031 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 11:07:21,041 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 178 out of 197 [2025-03-17 11:07:21,042 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 180 places, 193 transitions, 526 flow. Second operand has 3 states, 3 states have (on average 179.33333333333334) internal successors, (538), 3 states have internal predecessors, (538), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 11:07:21,042 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 11:07:21,042 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 178 of 197 [2025-03-17 11:07:21,042 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 11:07:21,069 INFO L124 PetriNetUnfolderBase]: 1/237 cut-off events. [2025-03-17 11:07:21,069 INFO L125 PetriNetUnfolderBase]: For 15/15 co-relation queries the response was YES. [2025-03-17 11:07:21,070 INFO L83 FinitePrefix]: Finished finitePrefix Result has 300 conditions, 237 events. 1/237 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 227 event pairs, 0 based on Foata normal form. 2/227 useless extension candidates. Maximal degree in co-relation 204. Up to 21 conditions per place. [2025-03-17 11:07:21,070 INFO L140 encePairwiseOnDemand]: 193/197 looper letters, 2 selfloop transitions, 4 changer transitions 9/167 dead transitions. [2025-03-17 11:07:21,070 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 176 places, 167 transitions, 400 flow [2025-03-17 11:07:21,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 11:07:21,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-17 11:07:21,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 542 transitions. [2025-03-17 11:07:21,073 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9170896785109983 [2025-03-17 11:07:21,073 INFO L175 Difference]: Start difference. First operand has 180 places, 193 transitions, 526 flow. Second operand 3 states and 542 transitions. [2025-03-17 11:07:21,073 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 176 places, 167 transitions, 400 flow [2025-03-17 11:07:21,074 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 172 places, 167 transitions, 370 flow, removed 11 selfloop flow, removed 4 redundant places. [2025-03-17 11:07:21,078 INFO L231 Difference]: Finished difference. Result has 172 places, 158 transitions, 348 flow [2025-03-17 11:07:21,079 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=197, PETRI_DIFFERENCE_MINUEND_FLOW=358, PETRI_DIFFERENCE_MINUEND_PLACES=170, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=167, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=163, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=348, PETRI_PLACES=172, PETRI_TRANSITIONS=158} [2025-03-17 11:07:21,079 INFO L279 CegarLoopForPetriNet]: 187 programPoint places, -15 predicate places. [2025-03-17 11:07:21,079 INFO L471 AbstractCegarLoop]: Abstraction has has 172 places, 158 transitions, 348 flow [2025-03-17 11:07:21,080 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 179.33333333333334) internal successors, (538), 3 states have internal predecessors, (538), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 11:07:21,080 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 11:07:21,080 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] [2025-03-17 11:07:21,080 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-17 11:07:21,081 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2025-03-17 11:07:21,081 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:07:21,081 INFO L85 PathProgramCache]: Analyzing trace with hash -551116361, now seen corresponding path program 1 times [2025-03-17 11:07:21,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 11:07:21,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917606750] [2025-03-17 11:07:21,082 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:07:21,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 11:07:21,094 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 103 statements into 1 equivalence classes. [2025-03-17 11:07:21,104 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 103 of 103 statements. [2025-03-17 11:07:21,105 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:07:21,105 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:07:21,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 11:07:21,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 11:07:21,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917606750] [2025-03-17 11:07:21,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1917606750] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:07:21,142 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:07:21,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 11:07:21,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252567334] [2025-03-17 11:07:21,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:07:21,142 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 11:07:21,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 11:07:21,143 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 11:07:21,143 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 11:07:21,180 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 165 out of 197 [2025-03-17 11:07:21,180 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 172 places, 158 transitions, 348 flow. Second operand has 3 states, 3 states have (on average 167.33333333333334) internal successors, (502), 3 states have internal predecessors, (502), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 11:07:21,180 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 11:07:21,180 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 165 of 197 [2025-03-17 11:07:21,181 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 11:07:21,207 INFO L124 PetriNetUnfolderBase]: 1/217 cut-off events. [2025-03-17 11:07:21,207 INFO L125 PetriNetUnfolderBase]: For 19/19 co-relation queries the response was YES. [2025-03-17 11:07:21,207 INFO L83 FinitePrefix]: Finished finitePrefix Result has 282 conditions, 217 events. 1/217 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 148 event pairs, 0 based on Foata normal form. 0/213 useless extension candidates. Maximal degree in co-relation 187. Up to 31 conditions per place. [2025-03-17 11:07:21,208 INFO L140 encePairwiseOnDemand]: 194/197 looper letters, 18 selfloop transitions, 2 changer transitions 0/157 dead transitions. [2025-03-17 11:07:21,208 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 164 places, 157 transitions, 386 flow [2025-03-17 11:07:21,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 11:07:21,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-17 11:07:21,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 514 transitions. [2025-03-17 11:07:21,209 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8697123519458545 [2025-03-17 11:07:21,209 INFO L175 Difference]: Start difference. First operand has 172 places, 158 transitions, 348 flow. Second operand 3 states and 514 transitions. [2025-03-17 11:07:21,209 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 164 places, 157 transitions, 386 flow [2025-03-17 11:07:21,210 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 163 places, 157 transitions, 382 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-17 11:07:21,211 INFO L231 Difference]: Finished difference. Result has 163 places, 157 transitions, 346 flow [2025-03-17 11:07:21,214 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=197, PETRI_DIFFERENCE_MINUEND_FLOW=342, PETRI_DIFFERENCE_MINUEND_PLACES=161, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=157, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=155, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=346, PETRI_PLACES=163, PETRI_TRANSITIONS=157} [2025-03-17 11:07:21,214 INFO L279 CegarLoopForPetriNet]: 187 programPoint places, -24 predicate places. [2025-03-17 11:07:21,214 INFO L471 AbstractCegarLoop]: Abstraction has has 163 places, 157 transitions, 346 flow [2025-03-17 11:07:21,215 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 167.33333333333334) internal successors, (502), 3 states have internal predecessors, (502), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 11:07:21,215 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 11:07:21,215 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, 1, 1, 1] [2025-03-17 11:07:21,215 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-17 11:07:21,215 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2025-03-17 11:07:21,215 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:07:21,215 INFO L85 PathProgramCache]: Analyzing trace with hash -394177726, now seen corresponding path program 1 times [2025-03-17 11:07:21,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 11:07:21,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231903106] [2025-03-17 11:07:21,216 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:07:21,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 11:07:21,231 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 114 statements into 1 equivalence classes. [2025-03-17 11:07:21,239 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 114 of 114 statements. [2025-03-17 11:07:21,241 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:07:21,241 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:07:21,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 11:07:21,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 11:07:21,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231903106] [2025-03-17 11:07:21,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1231903106] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:07:21,277 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:07:21,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 11:07:21,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088388718] [2025-03-17 11:07:21,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:07:21,277 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 11:07:21,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 11:07:21,278 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 11:07:21,278 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 11:07:21,328 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 197 [2025-03-17 11:07:21,328 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 163 places, 157 transitions, 346 flow. Second operand has 3 states, 3 states have (on average 166.66666666666666) internal successors, (500), 3 states have internal predecessors, (500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 11:07:21,328 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 11:07:21,328 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 197 [2025-03-17 11:07:21,328 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 11:07:21,348 INFO L124 PetriNetUnfolderBase]: 1/215 cut-off events. [2025-03-17 11:07:21,348 INFO L125 PetriNetUnfolderBase]: For 21/21 co-relation queries the response was YES. [2025-03-17 11:07:21,349 INFO L83 FinitePrefix]: Finished finitePrefix Result has 282 conditions, 215 events. 1/215 cut-off events. For 21/21 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 140 event pairs, 0 based on Foata normal form. 0/213 useless extension candidates. Maximal degree in co-relation 185. Up to 32 conditions per place. [2025-03-17 11:07:21,349 INFO L140 encePairwiseOnDemand]: 194/197 looper letters, 17 selfloop transitions, 2 changer transitions 7/156 dead transitions. [2025-03-17 11:07:21,349 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 164 places, 156 transitions, 386 flow [2025-03-17 11:07:21,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 11:07:21,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-17 11:07:21,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 509 transitions. [2025-03-17 11:07:21,350 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8612521150592216 [2025-03-17 11:07:21,350 INFO L175 Difference]: Start difference. First operand has 163 places, 157 transitions, 346 flow. Second operand 3 states and 509 transitions. [2025-03-17 11:07:21,350 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 164 places, 156 transitions, 386 flow [2025-03-17 11:07:21,351 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 162 places, 156 transitions, 382 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-17 11:07:21,352 INFO L231 Difference]: Finished difference. Result has 162 places, 149 transitions, 327 flow [2025-03-17 11:07:21,353 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=197, PETRI_DIFFERENCE_MINUEND_FLOW=340, PETRI_DIFFERENCE_MINUEND_PLACES=160, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=156, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=154, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=327, PETRI_PLACES=162, PETRI_TRANSITIONS=149} [2025-03-17 11:07:21,353 INFO L279 CegarLoopForPetriNet]: 187 programPoint places, -25 predicate places. [2025-03-17 11:07:21,353 INFO L471 AbstractCegarLoop]: Abstraction has has 162 places, 149 transitions, 327 flow [2025-03-17 11:07:21,353 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 166.66666666666666) internal successors, (500), 3 states have internal predecessors, (500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 11:07:21,353 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 11:07:21,353 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, 1, 1, 1, 1, 1] [2025-03-17 11:07:21,353 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-17 11:07:21,354 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2025-03-17 11:07:21,354 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:07:21,354 INFO L85 PathProgramCache]: Analyzing trace with hash -1489942649, now seen corresponding path program 1 times [2025-03-17 11:07:21,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 11:07:21,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999371304] [2025-03-17 11:07:21,354 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:07:21,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 11:07:21,364 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 116 statements into 1 equivalence classes. [2025-03-17 11:07:21,369 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 116 of 116 statements. [2025-03-17 11:07:21,369 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:07:21,369 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:07:21,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 11:07:21,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 11:07:21,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1999371304] [2025-03-17 11:07:21,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1999371304] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:07:21,406 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:07:21,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 11:07:21,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977350875] [2025-03-17 11:07:21,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:07:21,407 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 11:07:21,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 11:07:21,409 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 11:07:21,410 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 11:07:21,446 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 165 out of 197 [2025-03-17 11:07:21,447 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 162 places, 149 transitions, 327 flow. Second operand has 3 states, 3 states have (on average 168.0) internal successors, (504), 3 states have internal predecessors, (504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 11:07:21,448 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 11:07:21,448 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 165 of 197 [2025-03-17 11:07:21,448 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 11:07:21,462 INFO L124 PetriNetUnfolderBase]: 0/174 cut-off events. [2025-03-17 11:07:21,463 INFO L125 PetriNetUnfolderBase]: For 15/15 co-relation queries the response was YES. [2025-03-17 11:07:21,463 INFO L83 FinitePrefix]: Finished finitePrefix Result has 218 conditions, 174 events. 0/174 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 58 event pairs, 0 based on Foata normal form. 2/176 useless extension candidates. Maximal degree in co-relation 0. Up to 20 conditions per place. [2025-03-17 11:07:21,463 INFO L140 encePairwiseOnDemand]: 195/197 looper letters, 0 selfloop transitions, 0 changer transitions 148/148 dead transitions. [2025-03-17 11:07:21,463 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 157 places, 148 transitions, 357 flow [2025-03-17 11:07:21,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 11:07:21,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-17 11:07:21,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 511 transitions. [2025-03-17 11:07:21,465 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8646362098138748 [2025-03-17 11:07:21,465 INFO L175 Difference]: Start difference. First operand has 162 places, 149 transitions, 327 flow. Second operand 3 states and 511 transitions. [2025-03-17 11:07:21,465 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 157 places, 148 transitions, 357 flow [2025-03-17 11:07:21,466 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 155 places, 148 transitions, 351 flow, removed 1 selfloop flow, removed 2 redundant places. [2025-03-17 11:07:21,466 INFO L231 Difference]: Finished difference. Result has 155 places, 0 transitions, 0 flow [2025-03-17 11:07:21,466 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=197, PETRI_DIFFERENCE_MINUEND_FLOW=319, PETRI_DIFFERENCE_MINUEND_PLACES=153, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=148, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=148, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=155, PETRI_TRANSITIONS=0} [2025-03-17 11:07:21,467 INFO L279 CegarLoopForPetriNet]: 187 programPoint places, -32 predicate places. [2025-03-17 11:07:21,468 INFO L471 AbstractCegarLoop]: Abstraction has has 155 places, 0 transitions, 0 flow [2025-03-17 11:07:21,468 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 168.0) internal successors, (504), 3 states have internal predecessors, (504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 11:07:21,470 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (14 of 15 remaining) [2025-03-17 11:07:21,470 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (13 of 15 remaining) [2025-03-17 11:07:21,470 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (12 of 15 remaining) [2025-03-17 11:07:21,470 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (11 of 15 remaining) [2025-03-17 11:07:21,470 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (10 of 15 remaining) [2025-03-17 11:07:21,470 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (9 of 15 remaining) [2025-03-17 11:07:21,470 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2025-03-17 11:07:21,470 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (7 of 15 remaining) [2025-03-17 11:07:21,470 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (6 of 15 remaining) [2025-03-17 11:07:21,470 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (5 of 15 remaining) [2025-03-17 11:07:21,470 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (4 of 15 remaining) [2025-03-17 11:07:21,471 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (3 of 15 remaining) [2025-03-17 11:07:21,471 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (2 of 15 remaining) [2025-03-17 11:07:21,471 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 15 remaining) [2025-03-17 11:07:21,471 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (0 of 15 remaining) [2025-03-17 11:07:21,471 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-17 11:07:21,471 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2025-03-17 11:07:21,474 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-17 11:07:21,475 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-17 11:07:21,479 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.03 11:07:21 BasicIcfg [2025-03-17 11:07:21,479 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-17 11:07:21,480 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-17 11:07:21,480 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-17 11:07:21,480 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-17 11:07:21,484 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 11:07:19" (3/4) ... [2025-03-17 11:07:21,486 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-17 11:07:21,488 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure t_fun [2025-03-17 11:07:21,490 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2025-03-17 11:07:21,490 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-03-17 11:07:21,490 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2025-03-17 11:07:21,490 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-17 11:07:21,549 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-17 11:07:21,550 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-17 11:07:21,550 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-17 11:07:21,550 INFO L158 Benchmark]: Toolchain (without parser) took 2628.98ms. Allocated memory is still 142.6MB. Free memory was 111.4MB in the beginning and 70.4MB in the end (delta: 41.0MB). Peak memory consumption was 37.3MB. Max. memory is 16.1GB. [2025-03-17 11:07:21,550 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 201.3MB. Free memory is still 124.2MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 11:07:21,551 INFO L158 Benchmark]: CACSL2BoogieTranslator took 370.39ms. Allocated memory is still 142.6MB. Free memory was 111.4MB in the beginning and 91.5MB in the end (delta: 19.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-17 11:07:21,551 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.79ms. Allocated memory is still 142.6MB. Free memory was 91.5MB in the beginning and 89.5MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-17 11:07:21,552 INFO L158 Benchmark]: Boogie Preprocessor took 14.59ms. Allocated memory is still 142.6MB. Free memory was 89.5MB in the beginning and 88.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 11:07:21,552 INFO L158 Benchmark]: IcfgBuilder took 444.32ms. Allocated memory is still 142.6MB. Free memory was 88.1MB in the beginning and 69.6MB in the end (delta: 18.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-17 11:07:21,553 INFO L158 Benchmark]: TraceAbstraction took 1699.19ms. Allocated memory is still 142.6MB. Free memory was 68.7MB in the beginning and 76.2MB in the end (delta: -7.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 11:07:21,553 INFO L158 Benchmark]: Witness Printer took 69.88ms. Allocated memory is still 142.6MB. Free memory was 76.2MB in the beginning and 70.4MB in the end (delta: 5.8MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 11:07:21,554 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 201.3MB. Free memory is still 124.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 370.39ms. Allocated memory is still 142.6MB. Free memory was 111.4MB in the beginning and 91.5MB in the end (delta: 19.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.79ms. Allocated memory is still 142.6MB. Free memory was 91.5MB in the beginning and 89.5MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 14.59ms. Allocated memory is still 142.6MB. Free memory was 89.5MB in the beginning and 88.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 444.32ms. Allocated memory is still 142.6MB. Free memory was 88.1MB in the beginning and 69.6MB in the end (delta: 18.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1699.19ms. Allocated memory is still 142.6MB. Free memory was 68.7MB in the beginning and 76.2MB in the end (delta: -7.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 69.88ms. Allocated memory is still 142.6MB. Free memory was 76.2MB in the beginning and 70.4MB in the end (delta: 5.8MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 697]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 700]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 700]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 701]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 702]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 702]: 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: 689]: 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, 241 locations, 252 edges, 15 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: 1.6s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 304 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 105 mSDsluCounter, 44 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 27 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 324 IncrementalHoareTripleChecker+Invalid, 351 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 27 mSolverCounterUnsat, 44 mSDtfsCounter, 324 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=526occurred in iteration=2, InterpolantAutomatonStates: 18, 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, 0.4s InterpolantComputationTime, 608 NumberOfCodeBlocks, 608 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 602 ConstructedInterpolants, 0 QuantifiedInterpolants, 642 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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 10 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-17 11:07:21,567 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE