./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/pthread-wmm/mix008_power.oepc_pso.oepc_rmo.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/mix008_power.oepc_pso.oepc_rmo.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 773055aaa90ff8ec223993b190a157a4b1c15a4828ef014894ca730726d954aa --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 06:28:40,750 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 06:28:40,810 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-03-04 06:28:40,815 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 06:28:40,815 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 06:28:40,837 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 06:28:40,838 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 06:28:40,838 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 06:28:40,838 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 06:28:40,838 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 06:28:40,838 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 06:28:40,838 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 06:28:40,838 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 06:28:40,840 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 06:28:40,840 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 06:28:40,840 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-04 06:28:40,840 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 06:28:40,841 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-04 06:28:40,841 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 06:28:40,841 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 06:28:40,841 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 06:28:40,841 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 06:28:40,841 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-03-04 06:28:40,841 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-04 06:28:40,841 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-04 06:28:40,841 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 06:28:40,841 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 06:28:40,841 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 06:28:40,841 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 06:28:40,841 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 06:28:40,842 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 06:28:40,842 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 06:28:40,842 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 06:28:40,842 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 06:28:40,842 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 06:28:40,842 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 06:28:40,842 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 06:28:40,842 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 06:28:40,842 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 06:28:40,842 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 06:28:40,842 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 06:28:40,842 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 06:28:40,842 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 -> 773055aaa90ff8ec223993b190a157a4b1c15a4828ef014894ca730726d954aa [2025-03-04 06:28:41,095 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 06:28:41,103 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 06:28:41,105 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 06:28:41,105 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 06:28:41,106 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 06:28:41,106 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix008_power.oepc_pso.oepc_rmo.oepc.i [2025-03-04 06:28:42,399 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d732c5a39/2916779f85fa4fe1aca52ea6ebaa7a7a/FLAG2e5cf4735 [2025-03-04 06:28:42,728 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 06:28:42,729 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix008_power.oepc_pso.oepc_rmo.oepc.i [2025-03-04 06:28:42,745 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d732c5a39/2916779f85fa4fe1aca52ea6ebaa7a7a/FLAG2e5cf4735 [2025-03-04 06:28:42,960 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d732c5a39/2916779f85fa4fe1aca52ea6ebaa7a7a [2025-03-04 06:28:42,963 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 06:28:42,964 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 06:28:42,965 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 06:28:42,965 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 06:28:42,968 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 06:28:42,969 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 06:28:42" (1/1) ... [2025-03-04 06:28:42,969 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65f93a33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:28:42, skipping insertion in model container [2025-03-04 06:28:42,970 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 06:28:42" (1/1) ... [2025-03-04 06:28:42,995 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 06:28:43,258 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 06:28:43,269 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 06:28:43,339 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 06:28:43,367 INFO L204 MainTranslator]: Completed translation [2025-03-04 06:28:43,367 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:28:43 WrapperNode [2025-03-04 06:28:43,367 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 06:28:43,368 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 06:28:43,368 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 06:28:43,368 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 06:28:43,372 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:28:43" (1/1) ... [2025-03-04 06:28:43,388 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:28:43" (1/1) ... [2025-03-04 06:28:43,409 INFO L138 Inliner]: procedures = 176, calls = 56, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 510 [2025-03-04 06:28:43,409 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 06:28:43,412 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 06:28:43,412 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 06:28:43,412 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 06:28:43,417 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:28:43" (1/1) ... [2025-03-04 06:28:43,418 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:28:43" (1/1) ... [2025-03-04 06:28:43,422 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:28:43" (1/1) ... [2025-03-04 06:28:43,422 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:28:43" (1/1) ... [2025-03-04 06:28:43,440 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:28:43" (1/1) ... [2025-03-04 06:28:43,443 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:28:43" (1/1) ... [2025-03-04 06:28:43,449 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:28:43" (1/1) ... [2025-03-04 06:28:43,451 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:28:43" (1/1) ... [2025-03-04 06:28:43,460 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 06:28:43,461 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 06:28:43,461 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 06:28:43,461 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 06:28:43,463 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:28:43" (1/1) ... [2025-03-04 06:28:43,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 06:28:43,477 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 06:28:43,491 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 06:28:43,497 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 06:28:43,512 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-03-04 06:28:43,513 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 06:28:43,513 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2025-03-04 06:28:43,513 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2025-03-04 06:28:43,513 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2025-03-04 06:28:43,513 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2025-03-04 06:28:43,513 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2025-03-04 06:28:43,513 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2025-03-04 06:28:43,513 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2025-03-04 06:28:43,513 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2025-03-04 06:28:43,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-04 06:28:43,514 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-03-04 06:28:43,514 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 06:28:43,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 06:28:43,515 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 06:28:43,665 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 06:28:43,667 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 06:28:44,897 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-04 06:28:44,897 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 06:28:47,648 WARN L170 LargeBlockEncoding]: Complex 2:22 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2025-03-04 06:28:47,681 WARN L170 LargeBlockEncoding]: Complex 2:22 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2025-03-04 06:28:47,732 WARN L170 LargeBlockEncoding]: Complex 2:22 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2025-03-04 06:28:47,764 WARN L170 LargeBlockEncoding]: Complex 2:22 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2025-03-04 06:28:47,797 WARN L170 LargeBlockEncoding]: Complex 2:22 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2025-03-04 06:28:47,838 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 06:28:47,838 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 06:28:47,838 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 06:28:47 BoogieIcfgContainer [2025-03-04 06:28:47,838 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 06:28:47,843 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 06:28:47,844 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 06:28:47,848 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 06:28:47,848 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 06:28:42" (1/3) ... [2025-03-04 06:28:47,849 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e33f0ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 06:28:47, skipping insertion in model container [2025-03-04 06:28:47,849 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:28:43" (2/3) ... [2025-03-04 06:28:47,849 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e33f0ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 06:28:47, skipping insertion in model container [2025-03-04 06:28:47,849 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 06:28:47" (3/3) ... [2025-03-04 06:28:47,850 INFO L128 eAbstractionObserver]: Analyzing ICFG mix008_power.oepc_pso.oepc_rmo.oepc.i [2025-03-04 06:28:47,866 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 06:28:47,870 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG mix008_power.oepc_pso.oepc_rmo.oepc.i that has 5 procedures, 416 locations, 1 initial locations, 0 loop locations, and 285 error locations. [2025-03-04 06:28:47,870 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-04 06:28:48,223 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-03-04 06:28:48,263 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 428 places, 528 transitions, 1072 flow [2025-03-04 06:28:48,515 INFO L124 PetriNetUnfolderBase]: 113/524 cut-off events. [2025-03-04 06:28:48,517 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-04 06:28:48,545 INFO L83 FinitePrefix]: Finished finitePrefix Result has 537 conditions, 524 events. 113/524 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 99. Compared 2353 event pairs, 0 based on Foata normal form. 0/126 useless extension candidates. Maximal degree in co-relation 486. Up to 2 conditions per place. [2025-03-04 06:28:48,545 INFO L82 GeneralOperation]: Start removeDead. Operand has 428 places, 528 transitions, 1072 flow [2025-03-04 06:28:48,593 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 424 places, 524 transitions, 1060 flow [2025-03-04 06:28:48,605 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 06:28:48,614 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;@390f1975, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 06:28:48,614 INFO L334 AbstractCegarLoop]: Starting to check reachability of 535 error locations. [2025-03-04 06:28:48,622 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-04 06:28:48,623 INFO L124 PetriNetUnfolderBase]: 0/46 cut-off events. [2025-03-04 06:28:48,623 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-04 06:28:48,623 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:28:48,624 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 06:28:48,624 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err49ASSERT_VIOLATIONDATA_RACE === [P0Err49ASSERT_VIOLATIONDATA_RACE, P0Err48ASSERT_VIOLATIONDATA_RACE, P0Err47ASSERT_VIOLATIONDATA_RACE, P0Err46ASSERT_VIOLATIONDATA_RACE (and 531 more)] === [2025-03-04 06:28:48,628 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:28:48,629 INFO L85 PathProgramCache]: Analyzing trace with hash 1662077261, now seen corresponding path program 1 times [2025-03-04 06:28:48,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:28:48,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668326218] [2025-03-04 06:28:48,636 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:28:48,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:28:48,734 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-03-04 06:28:48,749 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-03-04 06:28:48,750 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:28:48,750 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:28:48,832 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 06:28:48,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:28:48,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668326218] [2025-03-04 06:28:48,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1668326218] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:28:48,833 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:28:48,833 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-03-04 06:28:48,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207950689] [2025-03-04 06:28:48,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:28:48,841 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-04 06:28:48,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:28:48,862 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-04 06:28:48,863 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-04 06:28:48,866 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 528 [2025-03-04 06:28:48,870 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 424 places, 524 transitions, 1060 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 06:28:48,871 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:28:48,873 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 528 [2025-03-04 06:28:48,876 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 06:29:03,188 INFO L124 PetriNetUnfolderBase]: 14906/34401 cut-off events. [2025-03-04 06:29:03,188 INFO L125 PetriNetUnfolderBase]: For 181/181 co-relation queries the response was YES. [2025-03-04 06:29:03,317 INFO L83 FinitePrefix]: Finished finitePrefix Result has 53455 conditions, 34401 events. 14906/34401 cut-off events. For 181/181 co-relation queries the response was YES. Maximal size of possible extension queue 1243. Compared 388812 event pairs, 11270 based on Foata normal form. 2642/31410 useless extension candidates. Maximal degree in co-relation 53402. Up to 18687 conditions per place. [2025-03-04 06:29:03,505 INFO L140 encePairwiseOnDemand]: 137/528 looper letters, 30 selfloop transitions, 0 changer transitions 0/131 dead transitions. [2025-03-04 06:29:03,506 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 140 places, 131 transitions, 334 flow [2025-03-04 06:29:03,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-04 06:29:03,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2025-03-04 06:29:03,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 633 transitions. [2025-03-04 06:29:03,524 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5994318181818182 [2025-03-04 06:29:03,526 INFO L175 Difference]: Start difference. First operand has 424 places, 524 transitions, 1060 flow. Second operand 2 states and 633 transitions. [2025-03-04 06:29:03,527 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 140 places, 131 transitions, 334 flow [2025-03-04 06:29:03,531 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 06:29:03,536 INFO L231 Difference]: Finished difference. Result has 136 places, 131 transitions, 270 flow [2025-03-04 06:29:03,538 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=528, 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 06:29:03,541 INFO L279 CegarLoopForPetriNet]: 424 programPoint places, -288 predicate places. [2025-03-04 06:29:03,542 INFO L471 AbstractCegarLoop]: Abstraction has has 136 places, 131 transitions, 270 flow [2025-03-04 06:29:03,542 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 06:29:03,543 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:29:03,543 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 06:29:03,543 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-04 06:29:03,543 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONDATA_RACE === [P0Err49ASSERT_VIOLATIONDATA_RACE, P0Err48ASSERT_VIOLATIONDATA_RACE, P0Err47ASSERT_VIOLATIONDATA_RACE, P0Err46ASSERT_VIOLATIONDATA_RACE (and 531 more)] === [2025-03-04 06:29:03,545 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:29:03,545 INFO L85 PathProgramCache]: Analyzing trace with hash 1649077537, now seen corresponding path program 1 times [2025-03-04 06:29:03,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:29:03,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243829931] [2025-03-04 06:29:03,545 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:29:03,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:29:03,578 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 70 statements into 1 equivalence classes. [2025-03-04 06:29:03,595 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 70 of 70 statements. [2025-03-04 06:29:03,596 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:29:03,596 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:29:03,685 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 06:29:03,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:29:03,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243829931] [2025-03-04 06:29:03,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [243829931] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:29:03,688 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:29:03,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 06:29:03,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252248412] [2025-03-04 06:29:03,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:29:03,691 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 06:29:03,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:29:03,692 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 06:29:03,694 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 06:29:03,700 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 103 out of 528 [2025-03-04 06:29:03,700 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 06:29:03,700 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:29:03,701 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 103 of 528 [2025-03-04 06:29:03,701 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 06:29:22,280 INFO L124 PetriNetUnfolderBase]: 22106/49329 cut-off events. [2025-03-04 06:29:22,281 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-04 06:29:22,465 INFO L83 FinitePrefix]: Finished finitePrefix Result has 77380 conditions, 49329 events. 22106/49329 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 1212. Compared 546426 event pairs, 5390 based on Foata normal form. 0/41621 useless extension candidates. Maximal degree in co-relation 77377. Up to 18900 conditions per place. [2025-03-04 06:29:22,674 INFO L140 encePairwiseOnDemand]: 526/528 looper letters, 53 selfloop transitions, 1 changer transitions 0/152 dead transitions. [2025-03-04 06:29:22,675 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 137 places, 152 transitions, 420 flow [2025-03-04 06:29:22,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 06:29:22,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-04 06:29:22,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 364 transitions. [2025-03-04 06:29:22,678 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.2297979797979798 [2025-03-04 06:29:22,678 INFO L175 Difference]: Start difference. First operand has 136 places, 131 transitions, 270 flow. Second operand 3 states and 364 transitions. [2025-03-04 06:29:22,678 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 137 places, 152 transitions, 420 flow [2025-03-04 06:29:22,679 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 06:29:22,681 INFO L231 Difference]: Finished difference. Result has 137 places, 130 transitions, 270 flow [2025-03-04 06:29:22,682 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=528, 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 06:29:22,683 INFO L279 CegarLoopForPetriNet]: 424 programPoint places, -287 predicate places. [2025-03-04 06:29:22,683 INFO L471 AbstractCegarLoop]: Abstraction has has 137 places, 130 transitions, 270 flow [2025-03-04 06:29:22,684 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 06:29:22,684 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:29:22,684 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 06:29:22,684 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-04 06:29:22,685 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [P0Err49ASSERT_VIOLATIONDATA_RACE, P0Err48ASSERT_VIOLATIONDATA_RACE, P0Err47ASSERT_VIOLATIONDATA_RACE, P0Err46ASSERT_VIOLATIONDATA_RACE (and 531 more)] === [2025-03-04 06:29:22,686 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:29:22,686 INFO L85 PathProgramCache]: Analyzing trace with hash 606809915, now seen corresponding path program 1 times [2025-03-04 06:29:22,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:29:22,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26998144] [2025-03-04 06:29:22,687 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:29:22,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:29:22,726 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-03-04 06:29:22,759 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-03-04 06:29:22,759 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:29:22,759 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:29:22,861 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 06:29:22,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:29:22,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26998144] [2025-03-04 06:29:22,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [26998144] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:29:22,862 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:29:22,862 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 06:29:22,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723143060] [2025-03-04 06:29:22,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:29:22,863 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 06:29:22,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:29:22,864 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 06:29:22,865 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 06:29:22,868 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 103 out of 528 [2025-03-04 06:29:22,869 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 06:29:22,869 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:29:22,869 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 103 of 528 [2025-03-04 06:29:22,869 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand