./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/pthread-wmm/mix036_pso.opt_tso.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 798a7b37 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-wmm/mix036_pso.opt_tso.opt.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash eb5b5f76ea992c17ebcf5a0e506a820a4d574c4d0723905971e2f5f6725ae203 --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 06:32:38,307 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 06:32:38,362 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-03-04 06:32:38,369 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 06:32:38,369 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 06:32:38,394 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 06:32:38,395 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 06:32:38,395 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 06:32:38,395 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 06:32:38,395 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 06:32:38,395 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 06:32:38,396 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 06:32:38,396 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 06:32:38,396 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 06:32:38,396 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 06:32:38,396 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-04 06:32:38,396 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 06:32:38,396 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-04 06:32:38,396 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 06:32:38,396 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 06:32:38,396 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 06:32:38,396 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 06:32:38,396 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-03-04 06:32:38,396 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-04 06:32:38,396 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-04 06:32:38,396 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 06:32:38,398 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 06:32:38,398 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 06:32:38,398 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 06:32:38,398 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 06:32:38,398 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 06:32:38,399 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 06:32:38,399 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 06:32:38,399 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 06:32:38,399 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 06:32:38,399 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 06:32:38,399 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 06:32:38,399 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 06:32:38,399 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 06:32:38,399 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 06:32:38,399 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 06:32:38,399 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 06:32:38,399 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eb5b5f76ea992c17ebcf5a0e506a820a4d574c4d0723905971e2f5f6725ae203 [2025-03-04 06:32:38,652 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 06:32:38,661 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 06:32:38,663 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 06:32:38,664 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 06:32:38,664 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 06:32:38,666 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix036_pso.opt_tso.opt.i [2025-03-04 06:32:39,903 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/164a8cdfc/58e704c4a7634857ab98ecb397c0eb6d/FLAGf3d285871 [2025-03-04 06:32:40,182 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 06:32:40,183 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix036_pso.opt_tso.opt.i [2025-03-04 06:32:40,195 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/164a8cdfc/58e704c4a7634857ab98ecb397c0eb6d/FLAGf3d285871 [2025-03-04 06:32:40,451 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/164a8cdfc/58e704c4a7634857ab98ecb397c0eb6d [2025-03-04 06:32:40,452 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 06:32:40,453 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 06:32:40,454 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 06:32:40,454 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 06:32:40,457 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 06:32:40,458 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 06:32:40" (1/1) ... [2025-03-04 06:32:40,458 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@335382d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:32:40, skipping insertion in model container [2025-03-04 06:32:40,458 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 06:32:40" (1/1) ... [2025-03-04 06:32:40,485 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 06:32:40,722 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 06:32:40,733 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 06:32:40,815 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 06:32:40,837 INFO L204 MainTranslator]: Completed translation [2025-03-04 06:32:40,838 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:32:40 WrapperNode [2025-03-04 06:32:40,838 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 06:32:40,839 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 06:32:40,839 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 06:32:40,839 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 06:32:40,843 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:32:40" (1/1) ... [2025-03-04 06:32:40,855 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:32:40" (1/1) ... [2025-03-04 06:32:40,877 INFO L138 Inliner]: procedures = 176, calls = 56, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 524 [2025-03-04 06:32:40,878 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 06:32:40,878 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 06:32:40,878 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 06:32:40,878 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 06:32:40,888 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:32:40" (1/1) ... [2025-03-04 06:32:40,888 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:32:40" (1/1) ... [2025-03-04 06:32:40,895 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:32:40" (1/1) ... [2025-03-04 06:32:40,895 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:32:40" (1/1) ... [2025-03-04 06:32:40,905 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:32:40" (1/1) ... [2025-03-04 06:32:40,907 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:32:40" (1/1) ... [2025-03-04 06:32:40,909 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:32:40" (1/1) ... [2025-03-04 06:32:40,910 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:32:40" (1/1) ... [2025-03-04 06:32:40,914 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 06:32:40,914 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 06:32:40,915 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 06:32:40,915 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 06:32:40,915 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:32:40" (1/1) ... [2025-03-04 06:32:40,919 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 06:32:40,941 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 06:32:40,956 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-04 06:32:40,959 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-04 06:32:40,979 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-03-04 06:32:40,980 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 06:32:40,980 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2025-03-04 06:32:40,980 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2025-03-04 06:32:40,980 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2025-03-04 06:32:40,980 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2025-03-04 06:32:40,981 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2025-03-04 06:32:40,981 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2025-03-04 06:32:40,981 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2025-03-04 06:32:40,981 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2025-03-04 06:32:40,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-04 06:32:40,981 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-03-04 06:32:40,981 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 06:32:40,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 06:32:40,983 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-04 06:32:41,121 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 06:32:41,122 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 06:32:41,981 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-04 06:32:41,982 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 06:32:43,606 WARN L170 LargeBlockEncoding]: Complex 2:8 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2025-03-04 06:32:43,643 WARN L170 LargeBlockEncoding]: Complex 3:68 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2025-03-04 06:32:44,196 WARN L170 LargeBlockEncoding]: Complex 2:22 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2025-03-04 06:32:44,320 WARN L170 LargeBlockEncoding]: Complex 2:22 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2025-03-04 06:32:44,359 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 06:32:44,362 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 06:32:44,362 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 06:32:44 BoogieIcfgContainer [2025-03-04 06:32:44,362 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 06:32:44,365 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 06:32:44,365 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 06:32:44,369 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 06:32:44,369 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 06:32:40" (1/3) ... [2025-03-04 06:32:44,370 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d82d6b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 06:32:44, skipping insertion in model container [2025-03-04 06:32:44,370 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:32:40" (2/3) ... [2025-03-04 06:32:44,371 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d82d6b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 06:32:44, skipping insertion in model container [2025-03-04 06:32:44,372 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 06:32:44" (3/3) ... [2025-03-04 06:32:44,372 INFO L128 eAbstractionObserver]: Analyzing ICFG mix036_pso.opt_tso.opt.i [2025-03-04 06:32:44,388 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 06:32:44,391 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG mix036_pso.opt_tso.opt.i that has 5 procedures, 334 locations, 1 initial locations, 0 loop locations, and 201 error locations. [2025-03-04 06:32:44,392 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-04 06:32:44,804 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-03-04 06:32:44,846 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 346 places, 523 transitions, 1062 flow [2025-03-04 06:32:45,111 INFO L124 PetriNetUnfolderBase]: 190/519 cut-off events. [2025-03-04 06:32:45,113 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-04 06:32:45,135 INFO L83 FinitePrefix]: Finished finitePrefix Result has 532 conditions, 519 events. 190/519 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 98. Compared 1823 event pairs, 0 based on Foata normal form. 0/128 useless extension candidates. Maximal degree in co-relation 479. Up to 3 conditions per place. [2025-03-04 06:32:45,135 INFO L82 GeneralOperation]: Start removeDead. Operand has 346 places, 523 transitions, 1062 flow [2025-03-04 06:32:45,177 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 342 places, 519 transitions, 1050 flow [2025-03-04 06:32:45,187 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 06:32:45,200 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;@ce60e8e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 06:32:45,201 INFO L334 AbstractCegarLoop]: Starting to check reachability of 368 error locations. [2025-03-04 06:32:45,209 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-04 06:32:45,211 INFO L124 PetriNetUnfolderBase]: 0/49 cut-off events. [2025-03-04 06:32:45,211 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-04 06:32:45,211 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:32:45,212 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] [2025-03-04 06:32:45,212 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err4ASSERT_VIOLATIONDATA_RACE === [P0Err4ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE (and 364 more)] === [2025-03-04 06:32:45,217 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:32:45,217 INFO L85 PathProgramCache]: Analyzing trace with hash -635591330, now seen corresponding path program 1 times [2025-03-04 06:32:45,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:32:45,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423851516] [2025-03-04 06:32:45,225 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:32:45,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:32:45,312 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-03-04 06:32:45,322 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-03-04 06:32:45,323 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:32:45,323 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:32:45,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 06:32:45,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:32:45,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423851516] [2025-03-04 06:32:45,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [423851516] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:32:45,409 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:32:45,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-03-04 06:32:45,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233783167] [2025-03-04 06:32:45,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:32:45,418 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-04 06:32:45,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:32:45,439 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-04 06:32:45,440 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-04 06:32:45,444 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 523 [2025-03-04 06:32:45,447 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 342 places, 519 transitions, 1050 flow. Second operand has 2 states, 2 states have (on average 109.0) internal successors, (218), 2 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 06:32:45,448 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:32:45,448 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 523 [2025-03-04 06:32:45,450 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 06:33:08,016 INFO L124 PetriNetUnfolderBase]: 13695/32517 cut-off events. [2025-03-04 06:33:08,016 INFO L125 PetriNetUnfolderBase]: For 156/156 co-relation queries the response was YES. [2025-03-04 06:33:08,096 INFO L83 FinitePrefix]: Finished finitePrefix Result has 50185 conditions, 32517 events. 13695/32517 cut-off events. For 156/156 co-relation queries the response was YES. Maximal size of possible extension queue 1206. Compared 372470 event pairs, 10870 based on Foata normal form. 2568/30316 useless extension candidates. Maximal degree in co-relation 50130. Up to 17351 conditions per place. [2025-03-04 06:33:08,243 INFO L140 encePairwiseOnDemand]: 138/523 looper letters, 29 selfloop transitions, 0 changer transitions 0/132 dead transitions. [2025-03-04 06:33:08,243 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 142 places, 132 transitions, 334 flow [2025-03-04 06:33:08,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-04 06:33:08,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2025-03-04 06:33:08,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 630 transitions. [2025-03-04 06:33:08,262 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6022944550669216 [2025-03-04 06:33:08,264 INFO L175 Difference]: Start difference. First operand has 342 places, 519 transitions, 1050 flow. Second operand 2 states and 630 transitions. [2025-03-04 06:33:08,264 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 142 places, 132 transitions, 334 flow [2025-03-04 06:33:08,268 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 138 places, 132 transitions, 330 flow, removed 0 selfloop flow, removed 4 redundant places. [2025-03-04 06:33:08,272 INFO L231 Difference]: Finished difference. Result has 138 places, 132 transitions, 272 flow [2025-03-04 06:33:08,275 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=523, PETRI_DIFFERENCE_MINUEND_FLOW=272, PETRI_DIFFERENCE_MINUEND_PLACES=137, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=132, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=132, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=272, PETRI_PLACES=138, PETRI_TRANSITIONS=132} [2025-03-04 06:33:08,279 INFO L279 CegarLoopForPetriNet]: 342 programPoint places, -204 predicate places. [2025-03-04 06:33:08,279 INFO L471 AbstractCegarLoop]: Abstraction has has 138 places, 132 transitions, 272 flow [2025-03-04 06:33:08,280 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 109.0) internal successors, (218), 2 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 06:33:08,280 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:33:08,280 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] [2025-03-04 06:33:08,280 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-04 06:33:08,280 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONDATA_RACE === [P0Err4ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE (and 364 more)] === [2025-03-04 06:33:08,282 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:33:08,282 INFO L85 PathProgramCache]: Analyzing trace with hash -1088222734, now seen corresponding path program 1 times [2025-03-04 06:33:08,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:33:08,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728496495] [2025-03-04 06:33:08,283 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:33:08,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:33:08,315 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 72 statements into 1 equivalence classes. [2025-03-04 06:33:08,331 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 72 of 72 statements. [2025-03-04 06:33:08,331 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:33:08,331 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:33:08,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 06:33:08,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:33:08,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728496495] [2025-03-04 06:33:08,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1728496495] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:33:08,420 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:33:08,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 06:33:08,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090809263] [2025-03-04 06:33:08,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:33:08,421 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 06:33:08,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:33:08,422 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 06:33:08,422 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 06:33:08,433 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 105 out of 523 [2025-03-04 06:33:08,435 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 138 places, 132 transitions, 272 flow. Second operand has 3 states, 3 states have (on average 107.33333333333333) internal successors, (322), 3 states have internal predecessors, (322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 06:33:08,435 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:33:08,435 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 105 of 523 [2025-03-04 06:33:08,435 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 06:33:39,464 INFO L124 PetriNetUnfolderBase]: 20345/46720 cut-off events. [2025-03-04 06:33:39,465 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-04 06:33:39,592 INFO L83 FinitePrefix]: Finished finitePrefix Result has 72785 conditions, 46720 events. 20345/46720 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 1178. Compared 526420 event pairs, 5170 based on Foata normal form. 0/40268 useless extension candidates. Maximal degree in co-relation 72782. Up to 17675 conditions per place. [2025-03-04 06:33:39,748 INFO L140 encePairwiseOnDemand]: 521/523 looper letters, 51 selfloop transitions, 1 changer transitions 0/152 dead transitions. [2025-03-04 06:33:39,749 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 139 places, 152 transitions, 416 flow [2025-03-04 06:33:39,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 06:33:39,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-04 06:33:39,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 368 transitions. [2025-03-04 06:33:39,751 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.23454429572976418 [2025-03-04 06:33:39,751 INFO L175 Difference]: Start difference. First operand has 138 places, 132 transitions, 272 flow. Second operand 3 states and 368 transitions. [2025-03-04 06:33:39,751 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 139 places, 152 transitions, 416 flow [2025-03-04 06:33:39,752 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 139 places, 152 transitions, 416 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-04 06:33:39,754 INFO L231 Difference]: Finished difference. Result has 139 places, 131 transitions, 272 flow [2025-03-04 06:33:39,754 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=523, PETRI_DIFFERENCE_MINUEND_FLOW=270, PETRI_DIFFERENCE_MINUEND_PLACES=137, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=131, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=130, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=272, PETRI_PLACES=139, PETRI_TRANSITIONS=131} [2025-03-04 06:33:39,755 INFO L279 CegarLoopForPetriNet]: 342 programPoint places, -203 predicate places. [2025-03-04 06:33:39,755 INFO L471 AbstractCegarLoop]: Abstraction has has 139 places, 131 transitions, 272 flow [2025-03-04 06:33:39,755 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 107.33333333333333) internal successors, (322), 3 states have internal predecessors, (322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 06:33:39,755 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:33:39,756 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 06:33:39,756 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-04 06:33:39,756 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [P0Err4ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE (and 364 more)] === [2025-03-04 06:33:39,756 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:33:39,756 INFO L85 PathProgramCache]: Analyzing trace with hash -1674522324, now seen corresponding path program 1 times [2025-03-04 06:33:39,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:33:39,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545925619] [2025-03-04 06:33:39,757 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:33:39,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:33:39,791 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 82 statements into 1 equivalence classes. [2025-03-04 06:33:39,823 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 82 of 82 statements. [2025-03-04 06:33:39,823 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:33:39,823 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:33:39,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 06:33:39,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:33:39,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545925619] [2025-03-04 06:33:39,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1545925619] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:33:39,899 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:33:39,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 06:33:39,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602533096] [2025-03-04 06:33:39,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:33:39,900 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 06:33:39,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:33:39,901 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 06:33:39,901 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 06:33:39,903 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 105 out of 523 [2025-03-04 06:33:39,904 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 139 places, 131 transitions, 272 flow. Second operand has 3 states, 3 states have (on average 108.0) internal successors, (324), 3 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 06:33:39,904 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:33:39,904 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 105 of 523 [2025-03-04 06:33:39,904 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand