./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/pthread-wmm/mix046.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-wmm/mix046.oepc.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0c2da3652c054af11b47a99e37d3ddb516e4f65f65f3696b960347af3ebf57e8 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 21:11:57,622 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 21:11:57,658 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-01-09 21:11:57,661 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 21:11:57,661 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 21:11:57,681 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 21:11:57,681 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 21:11:57,681 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 21:11:57,682 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 21:11:57,682 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 21:11:57,682 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 21:11:57,682 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 21:11:57,682 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 21:11:57,682 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 21:11:57,683 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 21:11:57,683 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 21:11:57,683 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 21:11:57,683 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 21:11:57,683 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 21:11:57,683 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 21:11:57,683 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 21:11:57,683 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 21:11:57,683 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-01-09 21:11:57,683 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-09 21:11:57,683 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 21:11:57,683 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 21:11:57,684 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 21:11:57,684 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 21:11:57,684 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 21:11:57,684 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 21:11:57,684 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 21:11:57,684 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 21:11:57,684 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 21:11:57,684 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 21:11:57,684 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 21:11:57,684 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 21:11:57,685 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 21:11:57,685 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 21:11:57,685 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 21:11:57,685 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 21:11:57,685 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 21:11:57,685 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 21:11:57,685 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 21:11:57,685 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 21:11:57,685 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 21:11:57,685 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 21:11:57,685 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0c2da3652c054af11b47a99e37d3ddb516e4f65f65f3696b960347af3ebf57e8 [2025-01-09 21:11:57,880 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 21:11:57,886 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 21:11:57,889 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 21:11:57,890 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 21:11:57,891 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 21:11:57,892 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix046.oepc.i [2025-01-09 21:11:59,090 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/458d32b16/f0025dba3e794d0cad32211989e4b7b3/FLAGcc6ba2dcc [2025-01-09 21:11:59,404 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 21:11:59,405 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix046.oepc.i [2025-01-09 21:11:59,420 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/458d32b16/f0025dba3e794d0cad32211989e4b7b3/FLAGcc6ba2dcc [2025-01-09 21:11:59,435 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/458d32b16/f0025dba3e794d0cad32211989e4b7b3 [2025-01-09 21:11:59,437 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 21:11:59,439 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 21:11:59,440 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 21:11:59,441 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 21:11:59,444 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 21:11:59,445 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 09:11:59" (1/1) ... [2025-01-09 21:11:59,446 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ebec3bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:11:59, skipping insertion in model container [2025-01-09 21:11:59,446 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 09:11:59" (1/1) ... [2025-01-09 21:11:59,481 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 21:11:59,760 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 21:11:59,768 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 21:11:59,827 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 21:11:59,853 INFO L204 MainTranslator]: Completed translation [2025-01-09 21:11:59,854 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:11:59 WrapperNode [2025-01-09 21:11:59,854 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 21:11:59,855 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 21:11:59,855 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 21:11:59,855 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 21:11:59,862 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:11:59" (1/1) ... [2025-01-09 21:11:59,878 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:11:59" (1/1) ... [2025-01-09 21:11:59,898 INFO L138 Inliner]: procedures = 176, calls = 56, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 506 [2025-01-09 21:11:59,898 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 21:11:59,899 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 21:11:59,899 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 21:11:59,899 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 21:11:59,905 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:11:59" (1/1) ... [2025-01-09 21:11:59,905 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:11:59" (1/1) ... [2025-01-09 21:11:59,909 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:11:59" (1/1) ... [2025-01-09 21:11:59,909 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:11:59" (1/1) ... [2025-01-09 21:11:59,921 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:11:59" (1/1) ... [2025-01-09 21:11:59,923 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:11:59" (1/1) ... [2025-01-09 21:11:59,928 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:11:59" (1/1) ... [2025-01-09 21:11:59,930 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:11:59" (1/1) ... [2025-01-09 21:11:59,931 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:11:59" (1/1) ... [2025-01-09 21:11:59,935 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 21:11:59,936 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 21:11:59,936 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 21:11:59,936 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 21:11:59,937 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:11:59" (1/1) ... [2025-01-09 21:11:59,940 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 21:11:59,950 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 21:11:59,973 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-09 21:11:59,979 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-09 21:11:59,997 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-01-09 21:11:59,997 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 21:11:59,997 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2025-01-09 21:11:59,998 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2025-01-09 21:11:59,998 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2025-01-09 21:11:59,998 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2025-01-09 21:11:59,998 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2025-01-09 21:11:59,998 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2025-01-09 21:11:59,998 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2025-01-09 21:11:59,998 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2025-01-09 21:11:59,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-01-09 21:11:59,998 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-01-09 21:11:59,998 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 21:11:59,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 21:12:00,000 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-01-09 21:12:00,180 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 21:12:00,182 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 21:12:01,484 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-01-09 21:12:01,484 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 21:12:05,218 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 21:12:05,218 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-09 21:12:05,219 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 09:12:05 BoogieIcfgContainer [2025-01-09 21:12:05,219 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 21:12:05,220 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 21:12:05,220 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 21:12:05,224 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 21:12:05,224 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 09:11:59" (1/3) ... [2025-01-09 21:12:05,224 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4de57752 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 09:12:05, skipping insertion in model container [2025-01-09 21:12:05,224 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:11:59" (2/3) ... [2025-01-09 21:12:05,225 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4de57752 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 09:12:05, skipping insertion in model container [2025-01-09 21:12:05,225 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 09:12:05" (3/3) ... [2025-01-09 21:12:05,226 INFO L128 eAbstractionObserver]: Analyzing ICFG mix046.oepc.i [2025-01-09 21:12:05,236 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 21:12:05,238 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG mix046.oepc.i that has 5 procedures, 414 locations, 1 initial locations, 0 loop locations, and 283 error locations. [2025-01-09 21:12:05,238 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-01-09 21:12:05,536 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-01-09 21:12:05,566 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 426 places, 416 transitions, 848 flow [2025-01-09 21:12:05,752 INFO L124 PetriNetUnfolderBase]: 3/412 cut-off events. [2025-01-09 21:12:05,754 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-01-09 21:12:05,771 INFO L83 FinitePrefix]: Finished finitePrefix Result has 425 conditions, 412 events. 3/412 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 99. Compared 2278 event pairs, 0 based on Foata normal form. 0/126 useless extension candidates. Maximal degree in co-relation 374. Up to 2 conditions per place. [2025-01-09 21:12:05,771 INFO L82 GeneralOperation]: Start removeDead. Operand has 426 places, 416 transitions, 848 flow [2025-01-09 21:12:05,797 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 422 places, 412 transitions, 836 flow [2025-01-09 21:12:05,808 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 21:12:05,818 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;@210a029f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 21:12:05,819 INFO L334 AbstractCegarLoop]: Starting to check reachability of 532 error locations. [2025-01-09 21:12:05,828 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-01-09 21:12:05,829 INFO L124 PetriNetUnfolderBase]: 0/47 cut-off events. [2025-01-09 21:12:05,829 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-01-09 21:12:05,829 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:12:05,830 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] [2025-01-09 21:12:05,830 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 528 more)] === [2025-01-09 21:12:05,834 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:12:05,834 INFO L85 PathProgramCache]: Analyzing trace with hash -2128886446, now seen corresponding path program 1 times [2025-01-09 21:12:05,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:12:05,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902430614] [2025-01-09 21:12:05,841 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:12:05,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:12:05,931 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-01-09 21:12:05,947 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-01-09 21:12:05,948 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:12:05,948 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:12:06,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 21:12:06,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:12:06,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902430614] [2025-01-09 21:12:06,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [902430614] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:12:06,037 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:12:06,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-01-09 21:12:06,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349180451] [2025-01-09 21:12:06,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:12:06,044 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-09 21:12:06,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:12:06,064 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-09 21:12:06,064 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 21:12:06,066 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 416 [2025-01-09 21:12:06,069 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 422 places, 412 transitions, 836 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) [2025-01-09 21:12:06,070 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:12:06,070 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 416 [2025-01-09 21:12:06,072 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:12:13,701 INFO L124 PetriNetUnfolderBase]: 10870/29690 cut-off events. [2025-01-09 21:12:13,701 INFO L125 PetriNetUnfolderBase]: For 156/156 co-relation queries the response was YES. [2025-01-09 21:12:13,782 INFO L83 FinitePrefix]: Finished finitePrefix Result has 44533 conditions, 29690 events. 10870/29690 cut-off events. For 156/156 co-relation queries the response was YES. Maximal size of possible extension queue 1206. Compared 369848 event pairs, 10870 based on Foata normal form. 2568/30313 useless extension candidates. Maximal degree in co-relation 44480. Up to 14526 conditions per place. [2025-01-09 21:12:13,906 INFO L140 encePairwiseOnDemand]: 132/416 looper letters, 25 selfloop transitions, 0 changer transitions 0/126 dead transitions. [2025-01-09 21:12:13,906 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 140 places, 126 transitions, 314 flow [2025-01-09 21:12:13,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-09 21:12:13,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2025-01-09 21:12:13,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 521 transitions. [2025-01-09 21:12:13,921 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6262019230769231 [2025-01-09 21:12:13,923 INFO L175 Difference]: Start difference. First operand has 422 places, 412 transitions, 836 flow. Second operand 2 states and 521 transitions. [2025-01-09 21:12:13,923 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 140 places, 126 transitions, 314 flow [2025-01-09 21:12:13,928 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 136 places, 126 transitions, 310 flow, removed 0 selfloop flow, removed 4 redundant places. [2025-01-09 21:12:13,930 INFO L231 Difference]: Finished difference. Result has 136 places, 126 transitions, 260 flow [2025-01-09 21:12:13,932 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=416, PETRI_DIFFERENCE_MINUEND_FLOW=260, PETRI_DIFFERENCE_MINUEND_PLACES=135, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=126, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=126, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=260, PETRI_PLACES=136, PETRI_TRANSITIONS=126} [2025-01-09 21:12:13,935 INFO L279 CegarLoopForPetriNet]: 422 programPoint places, -286 predicate places. [2025-01-09 21:12:13,936 INFO L471 AbstractCegarLoop]: Abstraction has has 136 places, 126 transitions, 260 flow [2025-01-09 21:12:13,936 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) [2025-01-09 21:12:13,937 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:12:13,937 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] [2025-01-09 21:12:13,937 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-09 21:12:13,937 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 528 more)] === [2025-01-09 21:12:13,938 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:12:13,938 INFO L85 PathProgramCache]: Analyzing trace with hash -586013277, now seen corresponding path program 1 times [2025-01-09 21:12:13,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:12:13,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321343362] [2025-01-09 21:12:13,939 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:12:13,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:12:13,972 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 70 statements into 1 equivalence classes. [2025-01-09 21:12:13,984 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 70 of 70 statements. [2025-01-09 21:12:13,984 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:12:13,984 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:12:14,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 21:12:14,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:12:14,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321343362] [2025-01-09 21:12:14,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1321343362] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:12:14,079 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:12:14,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 21:12:14,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459808126] [2025-01-09 21:12:14,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:12:14,080 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 21:12:14,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:12:14,080 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 21:12:14,081 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 21:12:14,085 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 103 out of 416 [2025-01-09 21:12:14,085 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 136 places, 126 transitions, 260 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) [2025-01-09 21:12:14,085 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:12:14,085 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 103 of 416 [2025-01-09 21:12:14,085 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:12:23,741 INFO L124 PetriNetUnfolderBase]: 16570/42943 cut-off events. [2025-01-09 21:12:23,741 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-01-09 21:12:23,845 INFO L83 FinitePrefix]: Finished finitePrefix Result has 65233 conditions, 42943 events. 16570/42943 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 1178. Compared 521796 event pairs, 5170 based on Foata normal form. 0/40265 useless extension candidates. Maximal degree in co-relation 65230. Up to 14900 conditions per place. [2025-01-09 21:12:23,966 INFO L140 encePairwiseOnDemand]: 414/416 looper letters, 44 selfloop transitions, 1 changer transitions 0/143 dead transitions. [2025-01-09 21:12:23,967 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 137 places, 143 transitions, 384 flow [2025-01-09 21:12:23,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 21:12:23,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-01-09 21:12:23,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 355 transitions. [2025-01-09 21:12:23,969 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.2844551282051282 [2025-01-09 21:12:23,969 INFO L175 Difference]: Start difference. First operand has 136 places, 126 transitions, 260 flow. Second operand 3 states and 355 transitions. [2025-01-09 21:12:23,969 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 137 places, 143 transitions, 384 flow [2025-01-09 21:12:23,970 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 137 places, 143 transitions, 384 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-01-09 21:12:23,973 INFO L231 Difference]: Finished difference. Result has 137 places, 125 transitions, 260 flow [2025-01-09 21:12:23,973 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=416, PETRI_DIFFERENCE_MINUEND_FLOW=258, PETRI_DIFFERENCE_MINUEND_PLACES=135, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=125, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=124, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=260, PETRI_PLACES=137, PETRI_TRANSITIONS=125} [2025-01-09 21:12:23,974 INFO L279 CegarLoopForPetriNet]: 422 programPoint places, -285 predicate places. [2025-01-09 21:12:23,974 INFO L471 AbstractCegarLoop]: Abstraction has has 137 places, 125 transitions, 260 flow [2025-01-09 21:12:23,974 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) [2025-01-09 21:12:23,974 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:12:23,974 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] [2025-01-09 21:12:23,974 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-09 21:12:23,975 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 528 more)] === [2025-01-09 21:12:23,977 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:12:23,977 INFO L85 PathProgramCache]: Analyzing trace with hash 299928311, now seen corresponding path program 1 times [2025-01-09 21:12:23,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:12:23,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334330471] [2025-01-09 21:12:23,978 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:12:23,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:12:24,019 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-01-09 21:12:24,055 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-01-09 21:12:24,059 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:12:24,059 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:12:24,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 21:12:24,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:12:24,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334330471] [2025-01-09 21:12:24,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [334330471] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:12:24,147 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:12:24,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 21:12:24,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850008295] [2025-01-09 21:12:24,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:12:24,147 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 21:12:24,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:12:24,148 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 21:12:24,148 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 21:12:24,150 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 103 out of 416 [2025-01-09 21:12:24,151 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 137 places, 125 transitions, 260 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) [2025-01-09 21:12:24,151 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:12:24,151 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 103 of 416 [2025-01-09 21:12:24,151 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand