./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/pthread-wmm/mix039.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version e2fb8bed 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/pthread-wmm/mix039.opt.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 4df22382a468f75ea1bc6624bacd8789c0b9b9f8aa1bc2866cf2715dcbc507bc --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 21:45:01,438 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 21:45:01,498 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-03-08 21:45:01,503 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 21:45:01,503 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 21:45:01,526 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 21:45:01,527 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 21:45:01,527 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 21:45:01,527 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 21:45:01,527 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 21:45:01,528 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 21:45:01,528 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 21:45:01,529 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 21:45:01,529 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 21:45:01,529 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 21:45:01,529 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-08 21:45:01,529 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 21:45:01,529 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-08 21:45:01,530 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 21:45:01,530 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 21:45:01,530 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 21:45:01,530 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 21:45:01,530 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-03-08 21:45:01,530 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-08 21:45:01,530 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-08 21:45:01,530 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 21:45:01,530 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 21:45:01,530 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 21:45:01,530 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 21:45:01,530 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 21:45:01,531 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 21:45:01,531 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 21:45:01,531 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 21:45:01,531 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 21:45:01,531 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 21:45:01,531 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 21:45:01,531 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 21:45:01,531 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 21:45:01,531 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 21:45:01,531 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 21:45:01,532 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 21:45:01,532 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 21:45:01,532 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 -> 4df22382a468f75ea1bc6624bacd8789c0b9b9f8aa1bc2866cf2715dcbc507bc [2025-03-08 21:45:01,764 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 21:45:01,772 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 21:45:01,774 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 21:45:01,775 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 21:45:01,775 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 21:45:01,776 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix039.opt.i [2025-03-08 21:45:02,935 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b2b28226/c2d3465c27d048a588cfd3f8f47d14a9/FLAGd051461d7 [2025-03-08 21:45:03,279 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 21:45:03,281 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix039.opt.i [2025-03-08 21:45:03,299 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b2b28226/c2d3465c27d048a588cfd3f8f47d14a9/FLAGd051461d7 [2025-03-08 21:45:03,509 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b2b28226/c2d3465c27d048a588cfd3f8f47d14a9 [2025-03-08 21:45:03,511 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 21:45:03,513 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 21:45:03,515 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 21:45:03,515 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 21:45:03,518 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 21:45:03,519 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 09:45:03" (1/1) ... [2025-03-08 21:45:03,521 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59828af0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:45:03, skipping insertion in model container [2025-03-08 21:45:03,521 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 09:45:03" (1/1) ... [2025-03-08 21:45:03,547 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 21:45:03,780 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 21:45:03,787 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 21:45:03,869 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 21:45:03,899 INFO L204 MainTranslator]: Completed translation [2025-03-08 21:45:03,899 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:45:03 WrapperNode [2025-03-08 21:45:03,900 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 21:45:03,901 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 21:45:03,901 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 21:45:03,901 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 21:45:03,906 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:45:03" (1/1) ... [2025-03-08 21:45:03,926 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:45:03" (1/1) ... [2025-03-08 21:45:03,968 INFO L138 Inliner]: procedures = 176, calls = 56, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 523 [2025-03-08 21:45:03,973 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 21:45:03,973 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 21:45:03,973 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 21:45:03,974 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 21:45:03,982 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:45:03" (1/1) ... [2025-03-08 21:45:03,982 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:45:03" (1/1) ... [2025-03-08 21:45:03,987 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:45:03" (1/1) ... [2025-03-08 21:45:03,992 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:45:03" (1/1) ... [2025-03-08 21:45:04,009 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:45:03" (1/1) ... [2025-03-08 21:45:04,011 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:45:03" (1/1) ... [2025-03-08 21:45:04,016 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:45:03" (1/1) ... [2025-03-08 21:45:04,022 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:45:03" (1/1) ... [2025-03-08 21:45:04,025 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 21:45:04,029 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 21:45:04,029 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 21:45:04,029 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 21:45:04,030 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:45:03" (1/1) ... [2025-03-08 21:45:04,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 21:45:04,055 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 21:45:04,071 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) [2025-03-08 21:45:04,074 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 [2025-03-08 21:45:04,099 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-03-08 21:45:04,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 21:45:04,100 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2025-03-08 21:45:04,100 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2025-03-08 21:45:04,100 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2025-03-08 21:45:04,100 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2025-03-08 21:45:04,100 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2025-03-08 21:45:04,100 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2025-03-08 21:45:04,100 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2025-03-08 21:45:04,100 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2025-03-08 21:45:04,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-08 21:45:04,101 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-03-08 21:45:04,101 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 21:45:04,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 21:45:04,102 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-08 21:45:04,244 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 21:45:04,246 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 21:45:05,189 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-08 21:45:05,189 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 21:45:07,983 WARN L170 LargeBlockEncoding]: Complex 2:22 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2025-03-08 21:45:08,009 WARN L170 LargeBlockEncoding]: Complex 2:22 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2025-03-08 21:45:08,048 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 21:45:08,049 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 21:45:08,049 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 09:45:08 BoogieIcfgContainer [2025-03-08 21:45:08,049 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 21:45:08,051 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 21:45:08,052 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 21:45:08,055 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 21:45:08,055 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 09:45:03" (1/3) ... [2025-03-08 21:45:08,056 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bd18ad0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 09:45:08, skipping insertion in model container [2025-03-08 21:45:08,057 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:45:03" (2/3) ... [2025-03-08 21:45:08,057 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bd18ad0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 09:45:08, skipping insertion in model container [2025-03-08 21:45:08,057 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 09:45:08" (3/3) ... [2025-03-08 21:45:08,059 INFO L128 eAbstractionObserver]: Analyzing ICFG mix039.opt.i [2025-03-08 21:45:08,070 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 21:45:08,071 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG mix039.opt.i that has 5 procedures, 332 locations, 1 initial locations, 0 loop locations, and 200 error locations. [2025-03-08 21:45:08,072 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-08 21:45:08,424 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-03-08 21:45:08,468 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 344 places, 378 transitions, 772 flow [2025-03-08 21:45:08,990 INFO L124 PetriNetUnfolderBase]: 47/374 cut-off events. [2025-03-08 21:45:08,993 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-08 21:45:09,008 INFO L83 FinitePrefix]: Finished finitePrefix Result has 387 conditions, 374 events. 47/374 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 98. Compared 1757 event pairs, 0 based on Foata normal form. 0/127 useless extension candidates. Maximal degree in co-relation 335. Up to 2 conditions per place. [2025-03-08 21:45:09,010 INFO L82 GeneralOperation]: Start removeDead. Operand has 344 places, 378 transitions, 772 flow [2025-03-08 21:45:09,034 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 340 places, 374 transitions, 760 flow [2025-03-08 21:45:09,042 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 21:45:09,051 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;@36ab6867, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 21:45:09,051 INFO L334 AbstractCegarLoop]: Starting to check reachability of 366 error locations. [2025-03-08 21:45:09,065 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-08 21:45:09,066 INFO L124 PetriNetUnfolderBase]: 0/48 cut-off events. [2025-03-08 21:45:09,067 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-08 21:45:09,067 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 21:45:09,068 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] [2025-03-08 21:45:09,068 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err4ASSERT_VIOLATIONDATA_RACE === [P0Err4ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE (and 362 more)] === [2025-03-08 21:45:09,072 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 21:45:09,072 INFO L85 PathProgramCache]: Analyzing trace with hash 1976978695, now seen corresponding path program 1 times [2025-03-08 21:45:09,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 21:45:09,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776581409] [2025-03-08 21:45:09,080 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 21:45:09,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 21:45:09,176 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-03-08 21:45:09,193 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-03-08 21:45:09,194 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 21:45:09,194 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 21:45:09,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 21:45:09,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 21:45:09,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776581409] [2025-03-08 21:45:09,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1776581409] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 21:45:09,283 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 21:45:09,283 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-03-08 21:45:09,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715654303] [2025-03-08 21:45:09,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 21:45:09,290 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-08 21:45:09,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 21:45:09,309 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-08 21:45:09,310 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 21:45:09,311 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 107 out of 378 [2025-03-08 21:45:09,318 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 340 places, 374 transitions, 760 flow. Second operand has 2 states, 2 states have (on average 108.0) internal successors, (216), 2 states have internal predecessors, (216), 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) [2025-03-08 21:45:09,318 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 21:45:09,318 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 107 of 378 [2025-03-08 21:45:09,321 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 21:45:53,117 INFO L124 PetriNetUnfolderBase]: 12245/31066 cut-off events. [2025-03-08 21:45:53,117 INFO L125 PetriNetUnfolderBase]: For 156/156 co-relation queries the response was YES. [2025-03-08 21:45:53,228 INFO L83 FinitePrefix]: Finished finitePrefix Result has 47284 conditions, 31066 events. 12245/31066 cut-off events. For 156/156 co-relation queries the response was YES. Maximal size of possible extension queue 1206. Compared 371153 event pairs, 10870 based on Foata normal form. 2568/30315 useless extension candidates. Maximal degree in co-relation 47230. Up to 15901 conditions per place. [2025-03-08 21:45:53,377 INFO L140 encePairwiseOnDemand]: 135/378 looper letters, 27 selfloop transitions, 0 changer transitions 0/129 dead transitions. [2025-03-08 21:45:53,378 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 141 places, 129 transitions, 324 flow [2025-03-08 21:45:53,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-08 21:45:53,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2025-03-08 21:45:53,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 484 transitions. [2025-03-08 21:45:53,392 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6402116402116402 [2025-03-08 21:45:53,395 INFO L175 Difference]: Start difference. First operand has 340 places, 374 transitions, 760 flow. Second operand 2 states and 484 transitions. [2025-03-08 21:45:53,396 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 141 places, 129 transitions, 324 flow [2025-03-08 21:45:53,399 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 137 places, 129 transitions, 320 flow, removed 0 selfloop flow, removed 4 redundant places. [2025-03-08 21:45:53,402 INFO L231 Difference]: Finished difference. Result has 137 places, 129 transitions, 266 flow [2025-03-08 21:45:53,404 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=378, PETRI_DIFFERENCE_MINUEND_FLOW=266, PETRI_DIFFERENCE_MINUEND_PLACES=136, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=129, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=129, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=266, PETRI_PLACES=137, PETRI_TRANSITIONS=129} [2025-03-08 21:45:53,408 INFO L279 CegarLoopForPetriNet]: 340 programPoint places, -203 predicate places. [2025-03-08 21:45:53,409 INFO L471 AbstractCegarLoop]: Abstraction has has 137 places, 129 transitions, 266 flow [2025-03-08 21:45:53,410 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 108.0) internal successors, (216), 2 states have internal predecessors, (216), 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) [2025-03-08 21:45:53,410 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 21:45:53,410 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] [2025-03-08 21:45:53,410 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-08 21:45:53,410 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONDATA_RACE === [P0Err4ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE (and 362 more)] === [2025-03-08 21:45:53,411 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 21:45:53,412 INFO L85 PathProgramCache]: Analyzing trace with hash -1589248330, now seen corresponding path program 1 times [2025-03-08 21:45:53,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 21:45:53,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069763522] [2025-03-08 21:45:53,412 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 21:45:53,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 21:45:53,443 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-03-08 21:45:53,455 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-03-08 21:45:53,455 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 21:45:53,455 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 21:45:53,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 21:45:53,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 21:45:53,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2069763522] [2025-03-08 21:45:53,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2069763522] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 21:45:53,552 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 21:45:53,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 21:45:53,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817335440] [2025-03-08 21:45:53,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 21:45:53,553 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 21:45:53,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 21:45:53,554 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 21:45:53,554 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 21:45:53,557 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 104 out of 378 [2025-03-08 21:45:53,558 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 137 places, 129 transitions, 266 flow. Second operand has 3 states, 3 states have (on average 106.33333333333333) internal successors, (319), 3 states have internal predecessors, (319), 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) [2025-03-08 21:45:53,558 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 21:45:53,558 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 378 [2025-03-08 21:45:53,558 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand