./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/pthread-wmm/mix050.i --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/pthread-wmm/mix050.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a3c87384db48703a1f350b065ac4130898667537456cdd449d5c78c22c9ba26d --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 09:08:35,055 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 09:08:35,100 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-02-06 09:08:35,104 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 09:08:35,105 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 09:08:35,119 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 09:08:35,120 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 09:08:35,120 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 09:08:35,120 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 09:08:35,121 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 09:08:35,121 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 09:08:35,121 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 09:08:35,121 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 09:08:35,121 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 09:08:35,121 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 09:08:35,121 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 09:08:35,121 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 09:08:35,121 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 09:08:35,121 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 09:08:35,121 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 09:08:35,121 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 09:08:35,122 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 09:08:35,122 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-02-06 09:08:35,122 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 09:08:35,122 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 09:08:35,122 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 09:08:35,122 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 09:08:35,122 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 09:08:35,122 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 09:08:35,122 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 09:08:35,122 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 09:08:35,123 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 09:08:35,123 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 09:08:35,123 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 09:08:35,123 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 09:08:35,123 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 09:08:35,123 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 09:08:35,123 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 09:08:35,123 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 09:08:35,123 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 09:08:35,123 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 09:08:35,123 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 09:08:35,124 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 -> a3c87384db48703a1f350b065ac4130898667537456cdd449d5c78c22c9ba26d [2025-02-06 09:08:35,349 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 09:08:35,356 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 09:08:35,358 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 09:08:35,359 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 09:08:35,359 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 09:08:35,361 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix050.i [2025-02-06 09:08:36,679 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/c1ca2d43e/6b75cbcc80084fc09dfae6d58f707f7c/FLAGaf18d33a0 [2025-02-06 09:08:37,009 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 09:08:37,010 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix050.i [2025-02-06 09:08:37,020 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/c1ca2d43e/6b75cbcc80084fc09dfae6d58f707f7c/FLAGaf18d33a0 [2025-02-06 09:08:37,036 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/c1ca2d43e/6b75cbcc80084fc09dfae6d58f707f7c [2025-02-06 09:08:37,038 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 09:08:37,040 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 09:08:37,041 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 09:08:37,041 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 09:08:37,045 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 09:08:37,045 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 09:08:37" (1/1) ... [2025-02-06 09:08:37,047 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ed0eb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:08:37, skipping insertion in model container [2025-02-06 09:08:37,047 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 09:08:37" (1/1) ... [2025-02-06 09:08:37,075 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 09:08:37,361 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 09:08:37,372 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 09:08:37,455 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 09:08:37,484 INFO L204 MainTranslator]: Completed translation [2025-02-06 09:08:37,485 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:08:37 WrapperNode [2025-02-06 09:08:37,485 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 09:08:37,486 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 09:08:37,487 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 09:08:37,487 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 09:08:37,493 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:08:37" (1/1) ... [2025-02-06 09:08:37,512 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:08:37" (1/1) ... [2025-02-06 09:08:37,539 INFO L138 Inliner]: procedures = 176, calls = 52, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 500 [2025-02-06 09:08:37,539 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 09:08:37,540 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 09:08:37,540 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 09:08:37,540 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 09:08:37,549 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:08:37" (1/1) ... [2025-02-06 09:08:37,549 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:08:37" (1/1) ... [2025-02-06 09:08:37,563 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:08:37" (1/1) ... [2025-02-06 09:08:37,563 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:08:37" (1/1) ... [2025-02-06 09:08:37,608 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:08:37" (1/1) ... [2025-02-06 09:08:37,610 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:08:37" (1/1) ... [2025-02-06 09:08:37,620 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:08:37" (1/1) ... [2025-02-06 09:08:37,622 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:08:37" (1/1) ... [2025-02-06 09:08:37,625 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 09:08:37,626 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 09:08:37,626 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 09:08:37,626 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 09:08:37,627 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:08:37" (1/1) ... [2025-02-06 09:08:37,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 09:08:37,641 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 09:08:37,654 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 09:08:37,659 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 09:08:37,677 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-02-06 09:08:37,677 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 09:08:37,677 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2025-02-06 09:08:37,677 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2025-02-06 09:08:37,677 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2025-02-06 09:08:37,678 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2025-02-06 09:08:37,678 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2025-02-06 09:08:37,678 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2025-02-06 09:08:37,678 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2025-02-06 09:08:37,678 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2025-02-06 09:08:37,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-02-06 09:08:37,678 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-02-06 09:08:37,678 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 09:08:37,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 09:08:37,679 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 09:08:37,856 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 09:08:37,858 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 09:08:39,020 INFO L304 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-02-06 09:08:39,020 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 09:08:41,904 WARN L170 LargeBlockEncoding]: Complex 2:22 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2025-02-06 09:08:41,937 WARN L170 LargeBlockEncoding]: Complex 2:22 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2025-02-06 09:08:41,969 WARN L170 LargeBlockEncoding]: Complex 2:22 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2025-02-06 09:08:42,003 WARN L170 LargeBlockEncoding]: Complex 2:22 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2025-02-06 09:08:42,036 WARN L170 LargeBlockEncoding]: Complex 2:22 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2025-02-06 09:08:42,073 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 09:08:42,073 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 09:08:42,073 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 09:08:42 BoogieIcfgContainer [2025-02-06 09:08:42,074 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 09:08:42,076 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 09:08:42,076 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 09:08:42,080 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 09:08:42,080 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 09:08:37" (1/3) ... [2025-02-06 09:08:42,080 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15b14807 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 09:08:42, skipping insertion in model container [2025-02-06 09:08:42,081 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:08:37" (2/3) ... [2025-02-06 09:08:42,081 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15b14807 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 09:08:42, skipping insertion in model container [2025-02-06 09:08:42,081 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 09:08:42" (3/3) ... [2025-02-06 09:08:42,082 INFO L128 eAbstractionObserver]: Analyzing ICFG mix050.i [2025-02-06 09:08:42,097 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 09:08:42,098 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG mix050.i that has 5 procedures, 410 locations, 1 initial locations, 0 loop locations, and 281 error locations. [2025-02-06 09:08:42,098 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-02-06 09:08:42,482 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-02-06 09:08:42,521 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 422 places, 522 transitions, 1060 flow [2025-02-06 09:08:42,809 INFO L124 PetriNetUnfolderBase]: 113/518 cut-off events. [2025-02-06 09:08:42,812 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-06 09:08:42,843 INFO L83 FinitePrefix]: Finished finitePrefix Result has 531 conditions, 518 events. 113/518 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 2402 event pairs, 0 based on Foata normal form. 0/124 useless extension candidates. Maximal degree in co-relation 480. Up to 2 conditions per place. [2025-02-06 09:08:42,843 INFO L82 GeneralOperation]: Start removeDead. Operand has 422 places, 522 transitions, 1060 flow [2025-02-06 09:08:42,897 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 418 places, 518 transitions, 1048 flow [2025-02-06 09:08:42,906 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 09:08:42,918 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;@75649e22, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 09:08:42,922 INFO L334 AbstractCegarLoop]: Starting to check reachability of 529 error locations. [2025-02-06 09:08:42,936 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-02-06 09:08:42,937 INFO L124 PetriNetUnfolderBase]: 0/47 cut-off events. [2025-02-06 09:08:42,937 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-06 09:08:42,938 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:08:42,938 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] [2025-02-06 09:08:42,939 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err50ASSERT_VIOLATIONDATA_RACE === [P0Err50ASSERT_VIOLATIONDATA_RACE, P0Err49ASSERT_VIOLATIONDATA_RACE, P0Err48ASSERT_VIOLATIONDATA_RACE, P0Err47ASSERT_VIOLATIONDATA_RACE (and 525 more)] === [2025-02-06 09:08:42,943 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:08:42,943 INFO L85 PathProgramCache]: Analyzing trace with hash -1399860876, now seen corresponding path program 1 times [2025-02-06 09:08:42,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:08:42,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970996669] [2025-02-06 09:08:42,950 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:08:42,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:08:43,043 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-02-06 09:08:43,059 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-02-06 09:08:43,060 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:08:43,060 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:08:43,156 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 09:08:43,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:08:43,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970996669] [2025-02-06 09:08:43,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1970996669] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:08:43,157 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:08:43,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-02-06 09:08:43,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297188628] [2025-02-06 09:08:43,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:08:43,164 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-06 09:08:43,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:08:43,181 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-06 09:08:43,181 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 09:08:43,183 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 522 [2025-02-06 09:08:43,186 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 418 places, 518 transitions, 1048 flow. Second operand has 2 states, 2 states have (on average 107.0) internal successors, (214), 2 states have internal predecessors, (214), 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 09:08:43,186 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:08:43,186 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 522 [2025-02-06 09:08:43,192 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:08:54,651 INFO L124 PetriNetUnfolderBase]: 10431/24251 cut-off events. [2025-02-06 09:08:54,652 INFO L125 PetriNetUnfolderBase]: For 156/156 co-relation queries the response was YES. [2025-02-06 09:08:54,697 INFO L83 FinitePrefix]: Finished finitePrefix Result has 37655 conditions, 24251 events. 10431/24251 cut-off events. For 156/156 co-relation queries the response was YES. Maximal size of possible extension queue 879. Compared 261426 event pairs, 7720 based on Foata normal form. 1819/21920 useless extension candidates. Maximal degree in co-relation 37602. Up to 13087 conditions per place. [2025-02-06 09:08:54,802 INFO L140 encePairwiseOnDemand]: 135/522 looper letters, 28 selfloop transitions, 0 changer transitions 0/129 dead transitions. [2025-02-06 09:08:54,803 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 129 transitions, 326 flow [2025-02-06 09:08:54,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-06 09:08:54,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2025-02-06 09:08:54,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 627 transitions. [2025-02-06 09:08:54,821 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6005747126436781 [2025-02-06 09:08:54,822 INFO L175 Difference]: Start difference. First operand has 418 places, 518 transitions, 1048 flow. Second operand 2 states and 627 transitions. [2025-02-06 09:08:54,822 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 129 transitions, 326 flow [2025-02-06 09:08:54,827 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 134 places, 129 transitions, 322 flow, removed 0 selfloop flow, removed 4 redundant places. [2025-02-06 09:08:54,830 INFO L231 Difference]: Finished difference. Result has 134 places, 129 transitions, 266 flow [2025-02-06 09:08:54,832 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=522, PETRI_DIFFERENCE_MINUEND_FLOW=266, PETRI_DIFFERENCE_MINUEND_PLACES=133, 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=134, PETRI_TRANSITIONS=129} [2025-02-06 09:08:54,834 INFO L279 CegarLoopForPetriNet]: 418 programPoint places, -284 predicate places. [2025-02-06 09:08:54,835 INFO L471 AbstractCegarLoop]: Abstraction has has 134 places, 129 transitions, 266 flow [2025-02-06 09:08:54,835 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 107.0) internal successors, (214), 2 states have internal predecessors, (214), 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 09:08:54,835 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:08:54,835 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] [2025-02-06 09:08:54,836 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-06 09:08:54,836 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONDATA_RACE === [P0Err50ASSERT_VIOLATIONDATA_RACE, P0Err49ASSERT_VIOLATIONDATA_RACE, P0Err48ASSERT_VIOLATIONDATA_RACE, P0Err47ASSERT_VIOLATIONDATA_RACE (and 525 more)] === [2025-02-06 09:08:54,836 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:08:54,838 INFO L85 PathProgramCache]: Analyzing trace with hash -2026428720, now seen corresponding path program 1 times [2025-02-06 09:08:54,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:08:54,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086443332] [2025-02-06 09:08:54,838 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:08:54,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:08:54,874 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 70 statements into 1 equivalence classes. [2025-02-06 09:08:54,888 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 70 of 70 statements. [2025-02-06 09:08:54,890 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:08:54,890 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:08:54,974 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 09:08:54,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:08:54,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086443332] [2025-02-06 09:08:54,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1086443332] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:08:54,975 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:08:54,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:08:54,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427297851] [2025-02-06 09:08:54,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:08:54,976 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:08:54,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:08:54,977 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:08:54,977 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:08:54,979 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 103 out of 522 [2025-02-06 09:08:54,980 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 134 places, 129 transitions, 266 flow. Second operand has 3 states, 3 states have (on average 105.33333333333333) internal successors, (316), 3 states have internal predecessors, (316), 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 09:08:54,980 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:08:54,980 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 103 of 522 [2025-02-06 09:08:54,980 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:09:10,449 INFO L124 PetriNetUnfolderBase]: 15431/34554 cut-off events. [2025-02-06 09:09:10,449 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-06 09:09:10,558 INFO L83 FinitePrefix]: Finished finitePrefix Result has 54205 conditions, 34554 events. 15431/34554 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 855. Compared 365495 event pairs, 3720 based on Foata normal form. 0/28916 useless extension candidates. Maximal degree in co-relation 54202. Up to 13125 conditions per place. [2025-02-06 09:09:10,788 INFO L140 encePairwiseOnDemand]: 520/522 looper letters, 49 selfloop transitions, 1 changer transitions 0/148 dead transitions. [2025-02-06 09:09:10,788 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 135 places, 148 transitions, 404 flow [2025-02-06 09:09:10,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:09:10,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:09:10,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 360 transitions. [2025-02-06 09:09:10,793 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.22988505747126436 [2025-02-06 09:09:10,793 INFO L175 Difference]: Start difference. First operand has 134 places, 129 transitions, 266 flow. Second operand 3 states and 360 transitions. [2025-02-06 09:09:10,793 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 135 places, 148 transitions, 404 flow [2025-02-06 09:09:10,794 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 135 places, 148 transitions, 404 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-02-06 09:09:10,797 INFO L231 Difference]: Finished difference. Result has 135 places, 128 transitions, 266 flow [2025-02-06 09:09:10,799 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=522, PETRI_DIFFERENCE_MINUEND_FLOW=264, PETRI_DIFFERENCE_MINUEND_PLACES=133, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=128, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=127, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=266, PETRI_PLACES=135, PETRI_TRANSITIONS=128} [2025-02-06 09:09:10,799 INFO L279 CegarLoopForPetriNet]: 418 programPoint places, -283 predicate places. [2025-02-06 09:09:10,799 INFO L471 AbstractCegarLoop]: Abstraction has has 135 places, 128 transitions, 266 flow [2025-02-06 09:09:10,800 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 105.33333333333333) internal successors, (316), 3 states have internal predecessors, (316), 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 09:09:10,800 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:09:10,800 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] [2025-02-06 09:09:10,800 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-06 09:09:10,800 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [P0Err50ASSERT_VIOLATIONDATA_RACE, P0Err49ASSERT_VIOLATIONDATA_RACE, P0Err48ASSERT_VIOLATIONDATA_RACE, P0Err47ASSERT_VIOLATIONDATA_RACE (and 525 more)] === [2025-02-06 09:09:10,801 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:09:10,802 INFO L85 PathProgramCache]: Analyzing trace with hash 1319839673, now seen corresponding path program 1 times [2025-02-06 09:09:10,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:09:10,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658610405] [2025-02-06 09:09:10,802 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:09:10,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:09:10,840 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-02-06 09:09:10,863 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-02-06 09:09:10,863 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:09:10,863 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:09:10,922 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 09:09:10,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:09:10,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658610405] [2025-02-06 09:09:10,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1658610405] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:09:10,922 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:09:10,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:09:10,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436430213] [2025-02-06 09:09:10,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:09:10,923 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:09:10,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:09:10,923 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:09:10,924 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:09:10,926 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 103 out of 522 [2025-02-06 09:09:10,926 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 135 places, 128 transitions, 266 flow. Second operand has 3 states, 3 states have (on average 106.0) internal successors, (318), 3 states have internal predecessors, (318), 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 09:09:10,926 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:09:10,927 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 103 of 522 [2025-02-06 09:09:10,927 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand