./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/pthread-wmm/mix027_tso.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/mix027_tso.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 ca8042a994ed433e8dc5deebabd166a79d030a0388291f832432b8dc85340f9d --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 09:05:47,254 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 09:05:47,335 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-02-06 09:05:47,346 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 09:05:47,346 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 09:05:47,371 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 09:05:47,372 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 09:05:47,373 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 09:05:47,373 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 09:05:47,373 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 09:05:47,373 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 09:05:47,374 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 09:05:47,374 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 09:05:47,374 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 09:05:47,375 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 09:05:47,375 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 09:05:47,376 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 09:05:47,376 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 09:05:47,376 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 09:05:47,376 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 09:05:47,376 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 09:05:47,376 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 09:05:47,376 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-02-06 09:05:47,376 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 09:05:47,376 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 09:05:47,376 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 09:05:47,376 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 09:05:47,376 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 09:05:47,377 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 09:05:47,377 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 09:05:47,377 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 09:05:47,377 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 09:05:47,377 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 09:05:47,377 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 09:05:47,377 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 09:05:47,377 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 09:05:47,377 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 09:05:47,377 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 09:05:47,377 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 09:05:47,377 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 09:05:47,377 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 09:05:47,377 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 09:05:47,377 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 -> ca8042a994ed433e8dc5deebabd166a79d030a0388291f832432b8dc85340f9d [2025-02-06 09:05:47,694 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 09:05:47,706 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 09:05:47,708 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 09:05:47,710 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 09:05:47,710 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 09:05:47,712 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix027_tso.i [2025-02-06 09:05:49,121 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/c6f5d63df/be2bbb80b2d348119e22ce4525056533/FLAG95d621f63 [2025-02-06 09:05:49,570 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 09:05:49,572 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix027_tso.i [2025-02-06 09:05:49,593 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/c6f5d63df/be2bbb80b2d348119e22ce4525056533/FLAG95d621f63 [2025-02-06 09:05:49,616 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/c6f5d63df/be2bbb80b2d348119e22ce4525056533 [2025-02-06 09:05:49,620 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 09:05:49,622 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 09:05:49,623 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 09:05:49,623 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 09:05:49,629 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 09:05:49,631 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 09:05:49" (1/1) ... [2025-02-06 09:05:49,634 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@494ea4db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:05:49, skipping insertion in model container [2025-02-06 09:05:49,634 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 09:05:49" (1/1) ... [2025-02-06 09:05:49,679 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 09:05:50,064 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 09:05:50,075 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 09:05:50,193 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 09:05:50,228 INFO L204 MainTranslator]: Completed translation [2025-02-06 09:05:50,229 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:05:50 WrapperNode [2025-02-06 09:05:50,230 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 09:05:50,231 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 09:05:50,231 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 09:05:50,231 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 09:05:50,237 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:05:50" (1/1) ... [2025-02-06 09:05:50,268 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:05:50" (1/1) ... [2025-02-06 09:05:50,333 INFO L138 Inliner]: procedures = 176, calls = 54, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 954 [2025-02-06 09:05:50,333 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 09:05:50,334 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 09:05:50,334 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 09:05:50,334 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 09:05:50,351 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:05:50" (1/1) ... [2025-02-06 09:05:50,351 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:05:50" (1/1) ... [2025-02-06 09:05:50,365 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:05:50" (1/1) ... [2025-02-06 09:05:50,365 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:05:50" (1/1) ... [2025-02-06 09:05:50,401 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:05:50" (1/1) ... [2025-02-06 09:05:50,408 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:05:50" (1/1) ... [2025-02-06 09:05:50,414 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:05:50" (1/1) ... [2025-02-06 09:05:50,418 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:05:50" (1/1) ... [2025-02-06 09:05:50,430 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 09:05:50,435 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 09:05:50,435 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 09:05:50,435 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 09:05:50,436 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:05:50" (1/1) ... [2025-02-06 09:05:50,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 09:05:50,463 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 09:05:50,482 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 09:05:50,487 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 09:05:50,512 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-02-06 09:05:50,513 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 09:05:50,513 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2025-02-06 09:05:50,513 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2025-02-06 09:05:50,513 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2025-02-06 09:05:50,513 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2025-02-06 09:05:50,513 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2025-02-06 09:05:50,513 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2025-02-06 09:05:50,513 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2025-02-06 09:05:50,513 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2025-02-06 09:05:50,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-02-06 09:05:50,514 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-02-06 09:05:50,514 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 09:05:50,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 09:05:50,516 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 09:05:50,731 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 09:05:50,734 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 09:05:52,354 INFO L304 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-02-06 09:05:52,354 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 09:05:56,238 WARN L170 LargeBlockEncoding]: Complex 2:22 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2025-02-06 09:05:56,284 WARN L170 LargeBlockEncoding]: Complex 2:22 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2025-02-06 09:05:56,331 WARN L170 LargeBlockEncoding]: Complex 2:22 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2025-02-06 09:05:56,372 WARN L170 LargeBlockEncoding]: Complex 2:22 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2025-02-06 09:05:56,638 WARN L170 LargeBlockEncoding]: Complex 2:22 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2025-02-06 09:05:56,680 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 09:05:56,681 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 09:05:56,681 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 09:05:56 BoogieIcfgContainer [2025-02-06 09:05:56,681 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 09:05:56,688 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 09:05:56,688 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 09:05:56,693 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 09:05:56,693 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 09:05:49" (1/3) ... [2025-02-06 09:05:56,693 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e521a8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 09:05:56, skipping insertion in model container [2025-02-06 09:05:56,694 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:05:50" (2/3) ... [2025-02-06 09:05:56,695 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e521a8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 09:05:56, skipping insertion in model container [2025-02-06 09:05:56,695 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 09:05:56" (3/3) ... [2025-02-06 09:05:56,696 INFO L128 eAbstractionObserver]: Analyzing ICFG mix027_tso.i [2025-02-06 09:05:56,713 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 09:05:56,715 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG mix027_tso.i that has 5 procedures, 411 locations, 1 initial locations, 0 loop locations, and 282 error locations. [2025-02-06 09:05:56,716 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-02-06 09:05:57,070 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-02-06 09:05:57,123 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 423 places, 523 transitions, 1062 flow [2025-02-06 09:05:57,367 INFO L124 PetriNetUnfolderBase]: 113/519 cut-off events. [2025-02-06 09:05:57,373 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-06 09:05:57,410 INFO L83 FinitePrefix]: Finished finitePrefix Result has 532 conditions, 519 events. 113/519 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 101. Compared 2410 event pairs, 0 based on Foata normal form. 0/124 useless extension candidates. Maximal degree in co-relation 482. Up to 2 conditions per place. [2025-02-06 09:05:57,411 INFO L82 GeneralOperation]: Start removeDead. Operand has 423 places, 523 transitions, 1062 flow [2025-02-06 09:05:57,471 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 419 places, 519 transitions, 1050 flow [2025-02-06 09:05:57,486 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 09:05:57,501 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;@528d82f9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 09:05:57,501 INFO L334 AbstractCegarLoop]: Starting to check reachability of 436 error locations. [2025-02-06 09:05:57,514 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-02-06 09:05:57,514 INFO L124 PetriNetUnfolderBase]: 0/45 cut-off events. [2025-02-06 09:05:57,514 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-06 09:05:57,515 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:05:57,515 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] [2025-02-06 09:05:57,516 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err31ASSERT_VIOLATIONDATA_RACE === [P0Err31ASSERT_VIOLATIONDATA_RACE, P0Err30ASSERT_VIOLATIONDATA_RACE, P0Err29ASSERT_VIOLATIONDATA_RACE, P0Err28ASSERT_VIOLATIONDATA_RACE (and 432 more)] === [2025-02-06 09:05:57,521 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:05:57,522 INFO L85 PathProgramCache]: Analyzing trace with hash -1869677993, now seen corresponding path program 1 times [2025-02-06 09:05:57,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:05:57,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164345842] [2025-02-06 09:05:57,531 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:05:57,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:05:57,652 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-02-06 09:05:57,669 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-02-06 09:05:57,670 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:05:57,670 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:05:57,767 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 09:05:57,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:05:57,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164345842] [2025-02-06 09:05:57,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1164345842] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:05:57,769 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:05:57,769 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-02-06 09:05:57,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561584592] [2025-02-06 09:05:57,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:05:57,777 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-06 09:05:57,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:05:57,800 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-06 09:05:57,801 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 09:05:57,805 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 105 out of 523 [2025-02-06 09:05:57,812 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 419 places, 519 transitions, 1050 flow. Second operand has 2 states, 2 states have (on average 106.0) internal successors, (212), 2 states have internal predecessors, (212), 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 09:05:57,812 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:05:57,812 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 105 of 523 [2025-02-06 09:05:57,816 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:06:16,643 INFO L124 PetriNetUnfolderBase]: 12431/28750 cut-off events. [2025-02-06 09:06:16,643 INFO L125 PetriNetUnfolderBase]: For 156/156 co-relation queries the response was YES. [2025-02-06 09:06:16,774 INFO L83 FinitePrefix]: Finished finitePrefix Result has 44654 conditions, 28750 events. 12431/28750 cut-off events. For 156/156 co-relation queries the response was YES. Maximal size of possible extension queue 1045. Compared 315862 event pairs, 9295 based on Foata normal form. 2193/26113 useless extension candidates. Maximal degree in co-relation 44602. Up to 15587 conditions per place. [2025-02-06 09:06:16,949 INFO L140 encePairwiseOnDemand]: 135/523 looper letters, 29 selfloop transitions, 0 changer transitions 0/129 dead transitions. [2025-02-06 09:06:16,950 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 129 transitions, 328 flow [2025-02-06 09:06:16,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-06 09:06:16,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2025-02-06 09:06:16,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 627 transitions. [2025-02-06 09:06:16,976 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5994263862332696 [2025-02-06 09:06:16,978 INFO L175 Difference]: Start difference. First operand has 419 places, 519 transitions, 1050 flow. Second operand 2 states and 627 transitions. [2025-02-06 09:06:16,980 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 129 transitions, 328 flow [2025-02-06 09:06:16,986 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 134 places, 129 transitions, 324 flow, removed 0 selfloop flow, removed 4 redundant places. [2025-02-06 09:06:16,993 INFO L231 Difference]: Finished difference. Result has 134 places, 129 transitions, 266 flow [2025-02-06 09:06:16,996 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=523, 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 09:06:17,002 INFO L279 CegarLoopForPetriNet]: 419 programPoint places, -285 predicate places. [2025-02-06 09:06:17,005 INFO L471 AbstractCegarLoop]: Abstraction has has 134 places, 129 transitions, 266 flow [2025-02-06 09:06:17,005 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 106.0) internal successors, (212), 2 states have internal predecessors, (212), 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 09:06:17,005 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:06:17,006 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] [2025-02-06 09:06:17,006 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-06 09:06:17,006 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr129ASSERT_VIOLATIONDATA_RACE === [P0Err31ASSERT_VIOLATIONDATA_RACE, P0Err30ASSERT_VIOLATIONDATA_RACE, P0Err29ASSERT_VIOLATIONDATA_RACE, P0Err28ASSERT_VIOLATIONDATA_RACE (and 432 more)] === [2025-02-06 09:06:17,007 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:06:17,008 INFO L85 PathProgramCache]: Analyzing trace with hash 733735268, now seen corresponding path program 1 times [2025-02-06 09:06:17,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:06:17,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923669764] [2025-02-06 09:06:17,009 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:06:17,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:06:17,058 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 69 statements into 1 equivalence classes. [2025-02-06 09:06:17,084 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 69 of 69 statements. [2025-02-06 09:06:17,084 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:06:17,084 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:06:17,221 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 09:06:17,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:06:17,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923669764] [2025-02-06 09:06:17,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [923669764] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:06:17,221 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:06:17,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:06:17,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851590689] [2025-02-06 09:06:17,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:06:17,222 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:06:17,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:06:17,223 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:06:17,224 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:06:17,228 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 523 [2025-02-06 09:06:17,232 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 134 places, 129 transitions, 266 flow. Second operand has 3 states, 3 states have (on average 104.33333333333333) internal successors, (313), 3 states have internal predecessors, (313), 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 09:06:17,233 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:06:17,233 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 523 [2025-02-06 09:06:17,234 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:06:32,546 INFO L124 PetriNetUnfolderBase]: 18431/41178 cut-off events. [2025-02-06 09:06:32,546 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-06 09:06:32,656 INFO L83 FinitePrefix]: Finished finitePrefix Result has 64579 conditions, 41178 events. 18431/41178 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 1016. Compared 444017 event pairs, 4445 based on Foata normal form. 0/34589 useless extension candidates. Maximal degree in co-relation 64576. Up to 15750 conditions per place. [2025-02-06 09:06:32,809 INFO L140 encePairwiseOnDemand]: 521/523 looper letters, 51 selfloop transitions, 1 changer transitions 0/149 dead transitions. [2025-02-06 09:06:32,809 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 135 places, 149 transitions, 410 flow [2025-02-06 09:06:32,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:06:32,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:06:32,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 359 transitions. [2025-02-06 09:06:32,814 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.22880815806246016 [2025-02-06 09:06:32,814 INFO L175 Difference]: Start difference. First operand has 134 places, 129 transitions, 266 flow. Second operand 3 states and 359 transitions. [2025-02-06 09:06:32,814 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 135 places, 149 transitions, 410 flow [2025-02-06 09:06:32,815 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 135 places, 149 transitions, 410 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-02-06 09:06:32,818 INFO L231 Difference]: Finished difference. Result has 135 places, 128 transitions, 266 flow [2025-02-06 09:06:32,818 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=523, 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 09:06:32,819 INFO L279 CegarLoopForPetriNet]: 419 programPoint places, -284 predicate places. [2025-02-06 09:06:32,819 INFO L471 AbstractCegarLoop]: Abstraction has has 135 places, 128 transitions, 266 flow [2025-02-06 09:06:32,819 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 104.33333333333333) internal successors, (313), 3 states have internal predecessors, (313), 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 09:06:32,819 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:06:32,819 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] [2025-02-06 09:06:32,819 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-06 09:06:32,820 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [P0Err31ASSERT_VIOLATIONDATA_RACE, P0Err30ASSERT_VIOLATIONDATA_RACE, P0Err29ASSERT_VIOLATIONDATA_RACE, P0Err28ASSERT_VIOLATIONDATA_RACE (and 432 more)] === [2025-02-06 09:06:32,820 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:06:32,820 INFO L85 PathProgramCache]: Analyzing trace with hash -1594494250, now seen corresponding path program 1 times [2025-02-06 09:06:32,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:06:32,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885970130] [2025-02-06 09:06:32,821 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:06:32,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:06:32,891 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 79 statements into 1 equivalence classes. [2025-02-06 09:06:33,003 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 79 of 79 statements. [2025-02-06 09:06:33,003 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:06:33,003 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:06:33,234 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 09:06:33,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:06:33,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885970130] [2025-02-06 09:06:33,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1885970130] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:06:33,235 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:06:33,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:06:33,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852146374] [2025-02-06 09:06:33,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:06:33,236 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:06:33,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:06:33,237 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:06:33,238 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:06:33,241 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 523 [2025-02-06 09:06:33,243 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 135 places, 128 transitions, 266 flow. Second operand has 3 states, 3 states have (on average 105.0) internal successors, (315), 3 states have internal predecessors, (315), 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 09:06:33,243 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:06:33,243 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 523 [2025-02-06 09:06:33,243 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand