./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/pthread-wmm/mix044_tso.oepc.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/mix044_tso.oepc.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 2b2ed0379679fef7868072cf33e9753c7c5c6d498ba6cea443eeb2e2c1bbc6d1 --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 06:33:35,687 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 06:33:35,752 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-03-04 06:33:35,758 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 06:33:35,759 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 06:33:35,776 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 06:33:35,777 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 06:33:35,777 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 06:33:35,777 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 06:33:35,777 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 06:33:35,777 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 06:33:35,777 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 06:33:35,777 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 06:33:35,777 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 06:33:35,778 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 06:33:35,778 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-04 06:33:35,778 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 06:33:35,778 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-04 06:33:35,778 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 06:33:35,778 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 06:33:35,778 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 06:33:35,778 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 06:33:35,778 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-03-04 06:33:35,779 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-04 06:33:35,779 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-04 06:33:35,779 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 06:33:35,779 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 06:33:35,779 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 06:33:35,779 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 06:33:35,779 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 06:33:35,779 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 06:33:35,779 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 06:33:35,779 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 06:33:35,779 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 06:33:35,780 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 06:33:35,780 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 06:33:35,780 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 06:33:35,780 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 06:33:35,780 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 06:33:35,780 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 06:33:35,780 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 06:33:35,780 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 06:33:35,780 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 -> 2b2ed0379679fef7868072cf33e9753c7c5c6d498ba6cea443eeb2e2c1bbc6d1 [2025-03-04 06:33:36,006 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 06:33:36,012 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 06:33:36,013 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 06:33:36,014 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 06:33:36,014 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 06:33:36,016 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix044_tso.oepc.i [2025-03-04 06:33:37,175 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1b692f75/bd27c898e6e14fbe98bd31bd869f1abd/FLAG8aaed81fc [2025-03-04 06:33:37,475 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 06:33:37,476 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix044_tso.oepc.i [2025-03-04 06:33:37,490 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1b692f75/bd27c898e6e14fbe98bd31bd869f1abd/FLAG8aaed81fc [2025-03-04 06:33:37,741 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1b692f75/bd27c898e6e14fbe98bd31bd869f1abd [2025-03-04 06:33:37,743 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 06:33:37,744 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 06:33:37,745 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 06:33:37,746 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 06:33:37,750 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 06:33:37,751 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 06:33:37" (1/1) ... [2025-03-04 06:33:37,751 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38e614eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:33:37, skipping insertion in model container [2025-03-04 06:33:37,751 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 06:33:37" (1/1) ... [2025-03-04 06:33:37,783 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 06:33:38,096 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 06:33:38,105 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 06:33:38,159 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 06:33:38,193 INFO L204 MainTranslator]: Completed translation [2025-03-04 06:33:38,194 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:33:38 WrapperNode [2025-03-04 06:33:38,194 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 06:33:38,195 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 06:33:38,195 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 06:33:38,195 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 06:33:38,199 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:33:38" (1/1) ... [2025-03-04 06:33:38,215 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:33:38" (1/1) ... [2025-03-04 06:33:38,257 INFO L138 Inliner]: procedures = 176, calls = 56, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 955 [2025-03-04 06:33:38,258 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 06:33:38,258 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 06:33:38,258 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 06:33:38,258 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 06:33:38,272 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:33:38" (1/1) ... [2025-03-04 06:33:38,272 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:33:38" (1/1) ... [2025-03-04 06:33:38,278 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:33:38" (1/1) ... [2025-03-04 06:33:38,278 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:33:38" (1/1) ... [2025-03-04 06:33:38,298 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:33:38" (1/1) ... [2025-03-04 06:33:38,300 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:33:38" (1/1) ... [2025-03-04 06:33:38,303 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:33:38" (1/1) ... [2025-03-04 06:33:38,304 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:33:38" (1/1) ... [2025-03-04 06:33:38,312 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 06:33:38,317 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 06:33:38,317 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 06:33:38,317 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 06:33:38,318 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:33:38" (1/1) ... [2025-03-04 06:33:38,329 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 06:33:38,340 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 06:33:38,357 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 06:33:38,361 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 06:33:38,380 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-03-04 06:33:38,380 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 06:33:38,380 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2025-03-04 06:33:38,380 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2025-03-04 06:33:38,380 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2025-03-04 06:33:38,380 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2025-03-04 06:33:38,380 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2025-03-04 06:33:38,380 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2025-03-04 06:33:38,380 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2025-03-04 06:33:38,380 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2025-03-04 06:33:38,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-04 06:33:38,380 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-03-04 06:33:38,380 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 06:33:38,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 06:33:38,382 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 06:33:38,536 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 06:33:38,537 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 06:33:39,685 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-04 06:33:39,686 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 06:33:42,507 WARN L170 LargeBlockEncoding]: Complex 2:22 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2025-03-04 06:33:42,549 WARN L170 LargeBlockEncoding]: Complex 2:22 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2025-03-04 06:33:42,587 WARN L170 LargeBlockEncoding]: Complex 2:22 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2025-03-04 06:33:42,622 WARN L170 LargeBlockEncoding]: Complex 2:22 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2025-03-04 06:33:42,659 WARN L170 LargeBlockEncoding]: Complex 2:22 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2025-03-04 06:33:42,697 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 06:33:42,698 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 06:33:42,698 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 06:33:42 BoogieIcfgContainer [2025-03-04 06:33:42,698 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 06:33:42,700 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 06:33:42,700 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 06:33:42,704 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 06:33:42,704 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 06:33:37" (1/3) ... [2025-03-04 06:33:42,705 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28bb5baa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 06:33:42, skipping insertion in model container [2025-03-04 06:33:42,705 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:33:38" (2/3) ... [2025-03-04 06:33:42,705 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28bb5baa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 06:33:42, skipping insertion in model container [2025-03-04 06:33:42,705 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 06:33:42" (3/3) ... [2025-03-04 06:33:42,706 INFO L128 eAbstractionObserver]: Analyzing ICFG mix044_tso.oepc.i [2025-03-04 06:33:42,718 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 06:33:42,721 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG mix044_tso.oepc.i that has 5 procedures, 414 locations, 1 initial locations, 0 loop locations, and 283 error locations. [2025-03-04 06:33:42,721 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-04 06:33:42,989 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-03-04 06:33:43,029 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 426 places, 526 transitions, 1068 flow [2025-03-04 06:33:43,284 INFO L124 PetriNetUnfolderBase]: 113/522 cut-off events. [2025-03-04 06:33:43,289 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-04 06:33:43,318 INFO L83 FinitePrefix]: Finished finitePrefix Result has 535 conditions, 522 events. 113/522 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 101. Compared 2382 event pairs, 0 based on Foata normal form. 0/126 useless extension candidates. Maximal degree in co-relation 484. Up to 2 conditions per place. [2025-03-04 06:33:43,318 INFO L82 GeneralOperation]: Start removeDead. Operand has 426 places, 526 transitions, 1068 flow [2025-03-04 06:33:43,367 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 422 places, 522 transitions, 1056 flow [2025-03-04 06:33:43,373 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 06:33:43,385 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;@271915e9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 06:33:43,386 INFO L334 AbstractCegarLoop]: Starting to check reachability of 438 error locations. [2025-03-04 06:33:43,394 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-04 06:33:43,395 INFO L124 PetriNetUnfolderBase]: 0/47 cut-off events. [2025-03-04 06:33:43,396 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-04 06:33:43,396 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:33:43,396 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] [2025-03-04 06:33:43,397 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err31ASSERT_VIOLATIONDATA_RACE === [P0Err31ASSERT_VIOLATIONDATA_RACE, P0Err30ASSERT_VIOLATIONDATA_RACE, P0Err29ASSERT_VIOLATIONDATA_RACE, P0Err28ASSERT_VIOLATIONDATA_RACE (and 434 more)] === [2025-03-04 06:33:43,401 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:33:43,401 INFO L85 PathProgramCache]: Analyzing trace with hash -2073052092, now seen corresponding path program 1 times [2025-03-04 06:33:43,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:33:43,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114314799] [2025-03-04 06:33:43,408 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:33:43,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:33:43,495 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-03-04 06:33:43,512 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-03-04 06:33:43,513 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:33:43,513 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:33:43,569 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 06:33:43,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:33:43,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114314799] [2025-03-04 06:33:43,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [114314799] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:33:43,572 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:33:43,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-03-04 06:33:43,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883320076] [2025-03-04 06:33:43,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:33:43,579 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-04 06:33:43,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:33:43,599 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-04 06:33:43,599 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-04 06:33:43,602 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 526 [2025-03-04 06:33:43,606 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 422 places, 522 transitions, 1056 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) [2025-03-04 06:33:43,607 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:33:43,607 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 526 [2025-03-04 06:33:43,609 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 06:34:02,482 INFO L124 PetriNetUnfolderBase]: 14431/33251 cut-off events. [2025-03-04 06:34:02,483 INFO L125 PetriNetUnfolderBase]: For 156/156 co-relation queries the response was YES. [2025-03-04 06:34:02,553 INFO L83 FinitePrefix]: Finished finitePrefix Result has 51655 conditions, 33251 events. 14431/33251 cut-off events. For 156/156 co-relation queries the response was YES. Maximal size of possible extension queue 1206. Compared 373555 event pairs, 10870 based on Foata normal form. 2568/30313 useless extension candidates. Maximal degree in co-relation 51602. Up to 18087 conditions per place. [2025-03-04 06:34:02,719 INFO L140 encePairwiseOnDemand]: 137/526 looper letters, 30 selfloop transitions, 0 changer transitions 0/131 dead transitions. [2025-03-04 06:34:02,720 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 140 places, 131 transitions, 334 flow [2025-03-04 06:34:02,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-04 06:34:02,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2025-03-04 06:34:02,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 631 transitions. [2025-03-04 06:34:02,742 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5998098859315589 [2025-03-04 06:34:02,745 INFO L175 Difference]: Start difference. First operand has 422 places, 522 transitions, 1056 flow. Second operand 2 states and 631 transitions. [2025-03-04 06:34:02,745 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 140 places, 131 transitions, 334 flow [2025-03-04 06:34:02,749 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 136 places, 131 transitions, 330 flow, removed 0 selfloop flow, removed 4 redundant places. [2025-03-04 06:34:02,753 INFO L231 Difference]: Finished difference. Result has 136 places, 131 transitions, 270 flow [2025-03-04 06:34:02,755 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=526, PETRI_DIFFERENCE_MINUEND_FLOW=270, PETRI_DIFFERENCE_MINUEND_PLACES=135, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=131, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=131, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=270, PETRI_PLACES=136, PETRI_TRANSITIONS=131} [2025-03-04 06:34:02,758 INFO L279 CegarLoopForPetriNet]: 422 programPoint places, -286 predicate places. [2025-03-04 06:34:02,760 INFO L471 AbstractCegarLoop]: Abstraction has has 136 places, 131 transitions, 270 flow [2025-03-04 06:34:02,760 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) [2025-03-04 06:34:02,760 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:34:02,760 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] [2025-03-04 06:34:02,761 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-04 06:34:02,761 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr129ASSERT_VIOLATIONDATA_RACE === [P0Err31ASSERT_VIOLATIONDATA_RACE, P0Err30ASSERT_VIOLATIONDATA_RACE, P0Err29ASSERT_VIOLATIONDATA_RACE, P0Err28ASSERT_VIOLATIONDATA_RACE (and 434 more)] === [2025-03-04 06:34:02,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:34:02,763 INFO L85 PathProgramCache]: Analyzing trace with hash 164167569, now seen corresponding path program 1 times [2025-03-04 06:34:02,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:34:02,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566493488] [2025-03-04 06:34:02,763 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:34:02,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:34:02,808 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 70 statements into 1 equivalence classes. [2025-03-04 06:34:02,823 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 70 of 70 statements. [2025-03-04 06:34:02,825 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:34:02,825 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:34:02,933 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 06:34:02,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:34:02,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566493488] [2025-03-04 06:34:02,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [566493488] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:34:02,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:34:02,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 06:34:02,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396366279] [2025-03-04 06:34:02,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:34:02,938 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 06:34:02,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:34:02,938 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 06:34:02,938 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 06:34:02,946 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 103 out of 526 [2025-03-04 06:34:02,947 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 136 places, 131 transitions, 270 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) [2025-03-04 06:34:02,947 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:34:02,947 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 103 of 526 [2025-03-04 06:34:02,947 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 06:34:22,195 INFO L124 PetriNetUnfolderBase]: 21431/47804 cut-off events. [2025-03-04 06:34:22,195 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-04 06:34:22,293 INFO L83 FinitePrefix]: Finished finitePrefix Result has 74955 conditions, 47804 events. 21431/47804 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 1178. Compared 526831 event pairs, 5170 based on Foata normal form. 0/40265 useless extension candidates. Maximal degree in co-relation 74952. Up to 18375 conditions per place. [2025-03-04 06:34:22,438 INFO L140 encePairwiseOnDemand]: 524/526 looper letters, 53 selfloop transitions, 1 changer transitions 0/152 dead transitions. [2025-03-04 06:34:22,438 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 137 places, 152 transitions, 420 flow [2025-03-04 06:34:22,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 06:34:22,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-04 06:34:22,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 364 transitions. [2025-03-04 06:34:22,442 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.23067173637515842 [2025-03-04 06:34:22,442 INFO L175 Difference]: Start difference. First operand has 136 places, 131 transitions, 270 flow. Second operand 3 states and 364 transitions. [2025-03-04 06:34:22,442 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 137 places, 152 transitions, 420 flow [2025-03-04 06:34:22,443 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 137 places, 152 transitions, 420 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-04 06:34:22,445 INFO L231 Difference]: Finished difference. Result has 137 places, 130 transitions, 270 flow [2025-03-04 06:34:22,446 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=526, PETRI_DIFFERENCE_MINUEND_FLOW=268, PETRI_DIFFERENCE_MINUEND_PLACES=135, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=130, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=129, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=270, PETRI_PLACES=137, PETRI_TRANSITIONS=130} [2025-03-04 06:34:22,446 INFO L279 CegarLoopForPetriNet]: 422 programPoint places, -285 predicate places. [2025-03-04 06:34:22,446 INFO L471 AbstractCegarLoop]: Abstraction has has 137 places, 130 transitions, 270 flow [2025-03-04 06:34:22,447 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) [2025-03-04 06:34:22,447 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:34:22,447 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] [2025-03-04 06:34:22,447 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-04 06:34:22,447 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [P0Err31ASSERT_VIOLATIONDATA_RACE, P0Err30ASSERT_VIOLATIONDATA_RACE, P0Err29ASSERT_VIOLATIONDATA_RACE, P0Err28ASSERT_VIOLATIONDATA_RACE (and 434 more)] === [2025-03-04 06:34:22,448 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:34:22,448 INFO L85 PathProgramCache]: Analyzing trace with hash -705725076, now seen corresponding path program 1 times [2025-03-04 06:34:22,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:34:22,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799443506] [2025-03-04 06:34:22,448 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:34:22,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:34:22,510 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-03-04 06:34:22,578 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-03-04 06:34:22,579 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:34:22,579 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:34:22,701 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 06:34:22,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:34:22,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799443506] [2025-03-04 06:34:22,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1799443506] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:34:22,701 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:34:22,702 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 06:34:22,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917233058] [2025-03-04 06:34:22,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:34:22,702 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 06:34:22,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:34:22,702 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 06:34:22,703 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 06:34:22,706 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 103 out of 526 [2025-03-04 06:34:22,707 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 137 places, 130 transitions, 270 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) [2025-03-04 06:34:22,707 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:34:22,707 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 103 of 526 [2025-03-04 06:34:22,707 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand