./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/chl-poker-hand-subst.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/weaver/chl-poker-hand-subst.wvr.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6f5429be3277265830db62d0e901249d8c763b3d6d062789dc5a6193a05c0714 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 09:28:58,297 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 09:28:58,349 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-02-06 09:28:58,352 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 09:28:58,352 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 09:28:58,365 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 09:28:58,365 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 09:28:58,365 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 09:28:58,365 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 09:28:58,365 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 09:28:58,366 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 09:28:58,366 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 09:28:58,366 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 09:28:58,366 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 09:28:58,366 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 09:28:58,366 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 09:28:58,366 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 09:28:58,366 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 09:28:58,366 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 09:28:58,366 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 09:28:58,366 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 09:28:58,366 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 09:28:58,366 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-02-06 09:28:58,366 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 09:28:58,366 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 09:28:58,366 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 09:28:58,366 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 09:28:58,366 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 09:28:58,367 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 09:28:58,367 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 09:28:58,367 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 09:28:58,367 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 09:28:58,367 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 09:28:58,367 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 09:28:58,367 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 09:28:58,367 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 09:28:58,367 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 09:28:58,367 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 09:28:58,367 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 09:28:58,367 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 09:28:58,367 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 09:28:58,367 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 09:28:58,367 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6f5429be3277265830db62d0e901249d8c763b3d6d062789dc5a6193a05c0714 [2025-02-06 09:28:58,582 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 09:28:58,593 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 09:28:58,599 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 09:28:58,600 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 09:28:58,600 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 09:28:58,604 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/chl-poker-hand-subst.wvr.c [2025-02-06 09:28:59,837 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/b40c77dfc/58393c3d265d410894dc90648d8291a3/FLAG0c70bcf4a [2025-02-06 09:29:00,219 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 09:29:00,220 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/weaver/chl-poker-hand-subst.wvr.c [2025-02-06 09:29:00,230 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/b40c77dfc/58393c3d265d410894dc90648d8291a3/FLAG0c70bcf4a [2025-02-06 09:29:00,424 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/b40c77dfc/58393c3d265d410894dc90648d8291a3 [2025-02-06 09:29:00,425 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 09:29:00,426 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 09:29:00,427 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 09:29:00,427 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 09:29:00,430 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 09:29:00,431 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 09:29:00" (1/1) ... [2025-02-06 09:29:00,431 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6417b1ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:29:00, skipping insertion in model container [2025-02-06 09:29:00,432 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 09:29:00" (1/1) ... [2025-02-06 09:29:00,447 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 09:29:00,699 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 09:29:00,705 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 09:29:00,802 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 09:29:00,814 INFO L204 MainTranslator]: Completed translation [2025-02-06 09:29:00,815 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:29:00 WrapperNode [2025-02-06 09:29:00,815 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 09:29:00,816 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 09:29:00,816 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 09:29:00,816 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 09:29:00,820 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:29:00" (1/1) ... [2025-02-06 09:29:00,858 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:29:00" (1/1) ... [2025-02-06 09:29:00,976 INFO L138 Inliner]: procedures = 25, calls = 440, calls flagged for inlining = 101, calls inlined = 145, statements flattened = 4966 [2025-02-06 09:29:00,977 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 09:29:00,978 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 09:29:00,978 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 09:29:00,978 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 09:29:00,983 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:29:00" (1/1) ... [2025-02-06 09:29:00,983 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:29:00" (1/1) ... [2025-02-06 09:29:01,011 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:29:00" (1/1) ... [2025-02-06 09:29:01,011 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:29:00" (1/1) ... [2025-02-06 09:29:01,177 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:29:00" (1/1) ... [2025-02-06 09:29:01,189 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:29:00" (1/1) ... [2025-02-06 09:29:01,202 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:29:00" (1/1) ... [2025-02-06 09:29:01,217 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:29:00" (1/1) ... [2025-02-06 09:29:01,241 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 09:29:01,243 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 09:29:01,243 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 09:29:01,243 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 09:29:01,244 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:29:00" (1/1) ... [2025-02-06 09:29:01,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 09:29:01,256 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 09:29:01,277 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-06 09:29:01,280 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-06 09:29:01,298 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 09:29:01,299 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-02-06 09:29:01,299 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-02-06 09:29:01,299 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-02-06 09:29:01,299 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-02-06 09:29:01,299 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-02-06 09:29:01,299 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-02-06 09:29:01,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-02-06 09:29:01,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-02-06 09:29:01,299 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-02-06 09:29:01,299 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-02-06 09:29:01,299 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-06 09:29:01,300 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 09:29:01,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 09:29:01,300 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-02-06 09:29:01,302 WARN L227 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-02-06 09:29:01,498 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 09:29:01,500 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 09:29:05,445 INFO L304 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-02-06 09:29:05,446 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 09:29:11,926 WARN L170 LargeBlockEncoding]: Complex 2:16 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2025-02-06 09:29:11,999 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 09:29:12,000 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 09:29:12,000 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 09:29:12 BoogieIcfgContainer [2025-02-06 09:29:12,001 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 09:29:12,003 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 09:29:12,003 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 09:29:12,007 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 09:29:12,007 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 09:29:00" (1/3) ... [2025-02-06 09:29:12,008 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5892e6f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 09:29:12, skipping insertion in model container [2025-02-06 09:29:12,008 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:29:00" (2/3) ... [2025-02-06 09:29:12,008 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5892e6f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 09:29:12, skipping insertion in model container [2025-02-06 09:29:12,008 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 09:29:12" (3/3) ... [2025-02-06 09:29:12,009 INFO L128 eAbstractionObserver]: Analyzing ICFG chl-poker-hand-subst.wvr.c [2025-02-06 09:29:12,025 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 09:29:12,026 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG chl-poker-hand-subst.wvr.c that has 4 procedures, 1708 locations, 1 initial locations, 18 loop locations, and 755 error locations. [2025-02-06 09:29:12,026 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-02-06 09:29:14,769 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2025-02-06 09:29:14,825 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1717 places, 1792 transitions, 3605 flow [2025-02-06 09:29:16,158 INFO L124 PetriNetUnfolderBase]: 85/1789 cut-off events. [2025-02-06 09:29:16,160 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2025-02-06 09:29:16,203 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1802 conditions, 1789 events. 85/1789 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 8260 event pairs, 0 based on Foata normal form. 0/949 useless extension candidates. Maximal degree in co-relation 1446. Up to 8 conditions per place. [2025-02-06 09:29:16,203 INFO L82 GeneralOperation]: Start removeDead. Operand has 1717 places, 1792 transitions, 3605 flow [2025-02-06 09:29:16,261 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1694 places, 1766 transitions, 3550 flow [2025-02-06 09:29:16,270 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 09:29:16,282 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;@39fa693b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 09:29:16,283 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1469 error locations. [2025-02-06 09:29:16,290 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-02-06 09:29:16,291 INFO L124 PetriNetUnfolderBase]: 2/81 cut-off events. [2025-02-06 09:29:16,291 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-06 09:29:16,292 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:29:16,292 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:29:16,293 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONDATA_RACE === [thread1Err62ASSERT_VIOLATIONDATA_RACE, thread1Err61ASSERT_VIOLATIONDATA_RACE, thread1Err60ASSERT_VIOLATIONDATA_RACE, thread1Err59ASSERT_VIOLATIONDATA_RACE (and 1465 more)] === [2025-02-06 09:29:16,297 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:29:16,299 INFO L85 PathProgramCache]: Analyzing trace with hash -1770059126, now seen corresponding path program 1 times [2025-02-06 09:29:16,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:29:16,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382014748] [2025-02-06 09:29:16,306 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:29:16,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:29:16,406 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes. [2025-02-06 09:29:16,440 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements. [2025-02-06 09:29:16,440 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:29:16,440 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:29:17,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:29:17,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:29:17,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382014748] [2025-02-06 09:29:17,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [382014748] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:29:17,101 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:29:17,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 09:29:17,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026713581] [2025-02-06 09:29:17,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:29:17,108 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 09:29:17,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:29:17,128 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 09:29:17,129 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-02-06 09:29:17,762 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 826 out of 1792 [2025-02-06 09:29:17,770 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1694 places, 1766 transitions, 3550 flow. Second operand has 6 states, 6 states have (on average 827.5) internal successors, (4965), 6 states have internal predecessors, (4965), 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) [2025-02-06 09:29:17,770 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:29:17,770 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 826 of 1792 [2025-02-06 09:29:17,773 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:29:19,539 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-06 09:29:23,778 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-06 09:29:28,488 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-06 09:29:32,500 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-06 09:29:36,510 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-06 09:29:40,519 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-06 09:29:44,526 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-06 09:29:49,638 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-06 09:29:51,301 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-06 09:29:57,880 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-06 09:30:01,890 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-06 09:30:05,901 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-06 09:30:09,915 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-06 09:30:13,925 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-06 09:30:17,261 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-06 09:30:19,836 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-06 09:30:24,021 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-06 09:30:28,028 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-06 09:30:32,035 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-06 09:30:33,359 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-06 09:30:37,668 INFO L124 PetriNetUnfolderBase]: 696/2529 cut-off events. [2025-02-06 09:30:37,668 INFO L125 PetriNetUnfolderBase]: For 74/74 co-relation queries the response was YES. [2025-02-06 09:30:37,676 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3542 conditions, 2529 events. 696/2529 cut-off events. For 74/74 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 11513 event pairs, 135 based on Foata normal form. 156/2267 useless extension candidates. Maximal degree in co-relation 2316. Up to 886 conditions per place. [2025-02-06 09:30:37,705 INFO L140 encePairwiseOnDemand]: 964/1792 looper letters, 136 selfloop transitions, 60 changer transitions 24/998 dead transitions. [2025-02-06 09:30:37,706 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 976 places, 998 transitions, 2406 flow [2025-02-06 09:30:37,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 09:30:37,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-02-06 09:30:37,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5920 transitions. [2025-02-06 09:30:37,734 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5505952380952381 [2025-02-06 09:30:37,736 INFO L175 Difference]: Start difference. First operand has 1694 places, 1766 transitions, 3550 flow. Second operand 6 states and 5920 transitions. [2025-02-06 09:30:37,736 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 976 places, 998 transitions, 2406 flow [2025-02-06 09:30:37,746 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 970 places, 998 transitions, 2394 flow, removed 0 selfloop flow, removed 6 redundant places. [2025-02-06 09:30:37,760 INFO L231 Difference]: Finished difference. Result has 970 places, 974 transitions, 2074 flow [2025-02-06 09:30:37,763 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1792, PETRI_DIFFERENCE_MINUEND_FLOW=2002, PETRI_DIFFERENCE_MINUEND_PLACES=965, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=998, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=60, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=938, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2074, PETRI_PLACES=970, PETRI_TRANSITIONS=974} [2025-02-06 09:30:37,765 INFO L279 CegarLoopForPetriNet]: 1694 programPoint places, -724 predicate places. [2025-02-06 09:30:37,765 INFO L471 AbstractCegarLoop]: Abstraction has has 970 places, 974 transitions, 2074 flow [2025-02-06 09:30:37,767 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 827.5) internal successors, (4965), 6 states have internal predecessors, (4965), 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) [2025-02-06 09:30:37,767 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:30:37,768 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] [2025-02-06 09:30:37,768 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-06 09:30:37,768 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONDATA_RACE === [thread1Err62ASSERT_VIOLATIONDATA_RACE, thread1Err61ASSERT_VIOLATIONDATA_RACE, thread1Err60ASSERT_VIOLATIONDATA_RACE, thread1Err59ASSERT_VIOLATIONDATA_RACE (and 1465 more)] === [2025-02-06 09:30:37,769 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:30:37,769 INFO L85 PathProgramCache]: Analyzing trace with hash -1134975368, now seen corresponding path program 1 times [2025-02-06 09:30:37,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:30:37,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588990106] [2025-02-06 09:30:37,769 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:30:37,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:30:37,849 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes. [2025-02-06 09:30:37,855 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements. [2025-02-06 09:30:37,855 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:30:37,856 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:30:37,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:30:37,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:30:37,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588990106] [2025-02-06 09:30:37,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [588990106] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:30:37,881 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:30:37,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:30:37,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184280399] [2025-02-06 09:30:37,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:30:37,882 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:30:37,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:30:37,883 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:30:37,884 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:30:37,894 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 987 out of 1792 [2025-02-06 09:30:37,897 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 970 places, 974 transitions, 2074 flow. Second operand has 3 states, 3 states have (on average 988.3333333333334) internal successors, (2965), 3 states have internal predecessors, (2965), 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) [2025-02-06 09:30:37,898 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:30:37,898 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 987 of 1792 [2025-02-06 09:30:37,898 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand