./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-data-race.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix029_power.oepc_pso.oepc_rmo.oepc_tso.oepc_tso.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/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_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix029_power.oepc_pso.oepc_rmo.oepc_tso.oepc_tso.opt.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bf24bf121ebc3ec235b4f1c2077ea9383a107f5a378f2adee68bd8bbb156b315 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 15:11:27,787 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 15:11:27,858 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-24 15:11:27,864 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 15:11:27,865 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 15:11:27,894 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 15:11:27,896 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 15:11:27,896 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 15:11:27,897 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 15:11:27,898 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 15:11:27,899 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 15:11:27,899 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 15:11:27,900 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 15:11:27,901 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 15:11:27,902 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 15:11:27,903 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 15:11:27,903 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 15:11:27,903 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 15:11:27,903 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 15:11:27,904 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 15:11:27,904 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 15:11:27,908 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 15:11:27,908 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-24 15:11:27,908 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 15:11:27,909 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-24 15:11:27,909 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 15:11:27,909 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 15:11:27,909 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 15:11:27,910 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 15:11:27,910 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 15:11:27,910 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 15:11:27,911 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 15:11:27,911 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 15:11:27,911 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 15:11:27,911 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 15:11:27,911 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 15:11:27,912 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 15:11:27,912 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 15:11:27,912 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 15:11:27,912 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 15:11:27,913 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 15:11:27,914 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bf24bf121ebc3ec235b4f1c2077ea9383a107f5a378f2adee68bd8bbb156b315 [2024-10-24 15:11:28,199 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 15:11:28,228 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 15:11:28,231 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 15:11:28,232 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 15:11:28,233 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 15:11:28,234 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix029_power.oepc_pso.oepc_rmo.oepc_tso.oepc_tso.opt.i [2024-10-24 15:11:29,720 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 15:11:30,023 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 15:11:30,024 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix029_power.oepc_pso.oepc_rmo.oepc_tso.oepc_tso.opt.i [2024-10-24 15:11:30,049 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f0c72fe7/4135d80ef68143029e665244d3df2437/FLAG39b060825 [2024-10-24 15:11:30,305 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f0c72fe7/4135d80ef68143029e665244d3df2437 [2024-10-24 15:11:30,308 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 15:11:30,311 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 15:11:30,315 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 15:11:30,316 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 15:11:30,322 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 15:11:30,323 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:11:30" (1/1) ... [2024-10-24 15:11:30,324 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ac1d894 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:11:30, skipping insertion in model container [2024-10-24 15:11:30,324 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:11:30" (1/1) ... [2024-10-24 15:11:30,378 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 15:11:30,846 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 15:11:30,859 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 15:11:30,996 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 15:11:31,038 INFO L204 MainTranslator]: Completed translation [2024-10-24 15:11:31,038 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:11:31 WrapperNode [2024-10-24 15:11:31,039 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 15:11:31,040 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 15:11:31,040 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 15:11:31,041 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 15:11:31,048 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:11:31" (1/1) ... [2024-10-24 15:11:31,074 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:11:31" (1/1) ... [2024-10-24 15:11:31,118 INFO L138 Inliner]: procedures = 176, calls = 54, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 505 [2024-10-24 15:11:31,118 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 15:11:31,119 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 15:11:31,119 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 15:11:31,120 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 15:11:31,130 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:11:31" (1/1) ... [2024-10-24 15:11:31,130 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:11:31" (1/1) ... [2024-10-24 15:11:31,143 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:11:31" (1/1) ... [2024-10-24 15:11:31,143 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:11:31" (1/1) ... [2024-10-24 15:11:31,168 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:11:31" (1/1) ... [2024-10-24 15:11:31,176 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:11:31" (1/1) ... [2024-10-24 15:11:31,180 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:11:31" (1/1) ... [2024-10-24 15:11:31,186 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:11:31" (1/1) ... [2024-10-24 15:11:31,193 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 15:11:31,195 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 15:11:31,195 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 15:11:31,195 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 15:11:31,196 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:11:31" (1/1) ... [2024-10-24 15:11:31,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 15:11:31,215 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 15:11:31,241 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) [2024-10-24 15:11:31,255 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 [2024-10-24 15:11:31,312 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-24 15:11:31,312 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 15:11:31,312 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-10-24 15:11:31,312 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-10-24 15:11:31,313 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-10-24 15:11:31,313 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-10-24 15:11:31,313 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-10-24 15:11:31,313 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-10-24 15:11:31,314 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-10-24 15:11:31,314 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-10-24 15:11:31,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-24 15:11:31,314 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-24 15:11:31,314 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 15:11:31,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 15:11:31,319 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-24 15:11:31,616 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 15:11:31,639 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 15:11:33,253 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-24 15:11:33,254 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 15:11:38,416 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 15:11:38,418 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-24 15:11:38,418 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:11:38 BoogieIcfgContainer [2024-10-24 15:11:38,418 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 15:11:38,421 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 15:11:38,421 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 15:11:38,425 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 15:11:38,425 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 03:11:30" (1/3) ... [2024-10-24 15:11:38,426 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65ec4347 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:11:38, skipping insertion in model container [2024-10-24 15:11:38,426 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:11:31" (2/3) ... [2024-10-24 15:11:38,426 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65ec4347 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:11:38, skipping insertion in model container [2024-10-24 15:11:38,427 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:11:38" (3/3) ... [2024-10-24 15:11:38,428 INFO L112 eAbstractionObserver]: Analyzing ICFG mix029_power.oepc_pso.oepc_rmo.oepc_tso.oepc_tso.opt.i [2024-10-24 15:11:38,447 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 15:11:38,448 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 282 error locations. [2024-10-24 15:11:38,448 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-24 15:11:38,805 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-24 15:11:38,862 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 423 places, 413 transitions, 842 flow [2024-10-24 15:11:39,180 INFO L124 PetriNetUnfolderBase]: 3/409 cut-off events. [2024-10-24 15:11:39,181 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-24 15:11:39,201 INFO L83 FinitePrefix]: Finished finitePrefix Result has 422 conditions, 409 events. 3/409 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 2322 event pairs, 0 based on Foata normal form. 0/124 useless extension candidates. Maximal degree in co-relation 372. Up to 2 conditions per place. [2024-10-24 15:11:39,202 INFO L82 GeneralOperation]: Start removeDead. Operand has 423 places, 413 transitions, 842 flow [2024-10-24 15:11:39,231 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 419 places, 409 transitions, 830 flow [2024-10-24 15:11:39,244 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 15:11:39,255 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;@3d350ee7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 15:11:39,256 INFO L334 AbstractCegarLoop]: Starting to check reachability of 530 error locations. [2024-10-24 15:11:39,268 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-24 15:11:39,269 INFO L124 PetriNetUnfolderBase]: 0/45 cut-off events. [2024-10-24 15:11:39,269 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-24 15:11:39,269 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:11:39,270 INFO L204 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] [2024-10-24 15:11:39,270 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 526 more)] === [2024-10-24 15:11:39,275 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:11:39,275 INFO L85 PathProgramCache]: Analyzing trace with hash -253223940, now seen corresponding path program 1 times [2024-10-24 15:11:39,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:11:39,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679332150] [2024-10-24 15:11:39,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:11:39,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:11:39,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:11:39,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:11:39,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:11:39,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679332150] [2024-10-24 15:11:39,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [679332150] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:11:39,546 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:11:39,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-24 15:11:39,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345565686] [2024-10-24 15:11:39,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:11:39,558 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-24 15:11:39,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:11:39,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-24 15:11:39,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 15:11:39,595 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 105 out of 413 [2024-10-24 15:11:39,598 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 419 places, 409 transitions, 830 flow. Second operand has 2 states, 2 states have (on average 106.0) internal successors, (212), 2 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:11:39,598 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:11:39,598 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 105 of 413 [2024-10-24 15:11:39,599 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:11:51,034 INFO L124 PetriNetUnfolderBase]: 9295/25614 cut-off events. [2024-10-24 15:11:51,035 INFO L125 PetriNetUnfolderBase]: For 156/156 co-relation queries the response was YES. [2024-10-24 15:11:51,150 INFO L83 FinitePrefix]: Finished finitePrefix Result has 38382 conditions, 25614 events. 9295/25614 cut-off events. For 156/156 co-relation queries the response was YES. Maximal size of possible extension queue 1045. Compared 312621 event pairs, 9295 based on Foata normal form. 2193/26114 useless extension candidates. Maximal degree in co-relation 38330. Up to 12451 conditions per place. [2024-10-24 15:11:51,279 INFO L140 encePairwiseOnDemand]: 130/413 looper letters, 24 selfloop transitions, 0 changer transitions 0/124 dead transitions. [2024-10-24 15:11:51,279 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 124 transitions, 308 flow [2024-10-24 15:11:51,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-24 15:11:51,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-10-24 15:11:51,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 517 transitions. [2024-10-24 15:11:51,299 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.62590799031477 [2024-10-24 15:11:51,301 INFO L175 Difference]: Start difference. First operand has 419 places, 409 transitions, 830 flow. Second operand 2 states and 517 transitions. [2024-10-24 15:11:51,304 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 124 transitions, 308 flow [2024-10-24 15:11:51,308 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 134 places, 124 transitions, 304 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-10-24 15:11:51,311 INFO L231 Difference]: Finished difference. Result has 134 places, 124 transitions, 256 flow [2024-10-24 15:11:51,314 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=413, PETRI_DIFFERENCE_MINUEND_FLOW=256, PETRI_DIFFERENCE_MINUEND_PLACES=133, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=124, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=124, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=256, PETRI_PLACES=134, PETRI_TRANSITIONS=124} [2024-10-24 15:11:51,321 INFO L277 CegarLoopForPetriNet]: 419 programPoint places, -285 predicate places. [2024-10-24 15:11:51,322 INFO L471 AbstractCegarLoop]: Abstraction has has 134 places, 124 transitions, 256 flow [2024-10-24 15:11:51,322 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 106.0) internal successors, (212), 2 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:11:51,322 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:11:51,322 INFO L204 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] [2024-10-24 15:11:51,323 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 15:11:51,323 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 526 more)] === [2024-10-24 15:11:51,325 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:11:51,325 INFO L85 PathProgramCache]: Analyzing trace with hash 1156270019, now seen corresponding path program 1 times [2024-10-24 15:11:51,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:11:51,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473943202] [2024-10-24 15:11:51,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:11:51,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:11:51,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:11:51,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:11:51,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:11:51,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473943202] [2024-10-24 15:11:51,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1473943202] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:11:51,534 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:11:51,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:11:51,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129872609] [2024-10-24 15:11:51,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:11:51,536 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:11:51,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:11:51,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:11:51,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:11:51,544 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 413 [2024-10-24 15:11:51,545 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 134 places, 124 transitions, 256 flow. Second operand has 3 states, 3 states have (on average 104.33333333333333) internal successors, (313), 3 states have internal predecessors, (313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:11:51,546 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:11:51,546 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 413 [2024-10-24 15:11:51,546 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:12:04,597 INFO L124 PetriNetUnfolderBase]: 14145/36892 cut-off events. [2024-10-24 15:12:04,598 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-24 15:12:04,713 INFO L83 FinitePrefix]: Finished finitePrefix Result has 56007 conditions, 36892 events. 14145/36892 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 1016. Compared 440155 event pairs, 4445 based on Foata normal form. 0/34590 useless extension candidates. Maximal degree in co-relation 56004. Up to 12700 conditions per place. [2024-10-24 15:12:04,842 INFO L140 encePairwiseOnDemand]: 411/413 looper letters, 42 selfloop transitions, 1 changer transitions 0/140 dead transitions. [2024-10-24 15:12:04,842 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 135 places, 140 transitions, 374 flow [2024-10-24 15:12:04,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:12:04,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:12:04,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 350 transitions. [2024-10-24 15:12:04,847 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.2824858757062147 [2024-10-24 15:12:04,847 INFO L175 Difference]: Start difference. First operand has 134 places, 124 transitions, 256 flow. Second operand 3 states and 350 transitions. [2024-10-24 15:12:04,848 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 135 places, 140 transitions, 374 flow [2024-10-24 15:12:04,850 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 135 places, 140 transitions, 374 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-24 15:12:04,852 INFO L231 Difference]: Finished difference. Result has 135 places, 123 transitions, 256 flow [2024-10-24 15:12:04,854 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=413, PETRI_DIFFERENCE_MINUEND_FLOW=254, PETRI_DIFFERENCE_MINUEND_PLACES=133, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=123, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=122, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=256, PETRI_PLACES=135, PETRI_TRANSITIONS=123} [2024-10-24 15:12:04,854 INFO L277 CegarLoopForPetriNet]: 419 programPoint places, -284 predicate places. [2024-10-24 15:12:04,855 INFO L471 AbstractCegarLoop]: Abstraction has has 135 places, 123 transitions, 256 flow [2024-10-24 15:12:04,855 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 104.33333333333333) internal successors, (313), 3 states have internal predecessors, (313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:12:04,856 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:12:04,856 INFO L204 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] [2024-10-24 15:12:04,856 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 15:12:04,856 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 526 more)] === [2024-10-24 15:12:04,857 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:12:04,858 INFO L85 PathProgramCache]: Analyzing trace with hash -1462394841, now seen corresponding path program 1 times [2024-10-24 15:12:04,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:12:04,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684388456] [2024-10-24 15:12:04,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:12:04,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:12:04,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:12:05,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:12:05,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:12:05,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684388456] [2024-10-24 15:12:05,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [684388456] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:12:05,036 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:12:05,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:12:05,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754422211] [2024-10-24 15:12:05,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:12:05,037 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:12:05,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:12:05,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:12:05,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:12:05,042 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 413 [2024-10-24 15:12:05,043 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 135 places, 123 transitions, 256 flow. Second operand has 3 states, 3 states have (on average 105.0) internal successors, (315), 3 states have internal predecessors, (315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:12:05,046 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:12:05,046 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 413 [2024-10-24 15:12:05,046 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand