./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/pthread-wmm/mix023_power.oepc_pso.oepc_rmo.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 803cd42f 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/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/pthread-wmm/mix023_power.oepc_pso.oepc_rmo.oepc.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b51bd5b35703bd543bead4074e6d14da7b357845ee956f8678aa2abe4dcc1210 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 21:25:04,841 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 21:25:04,901 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-11-22 21:25:04,907 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 21:25:04,907 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 21:25:04,930 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 21:25:04,931 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 21:25:04,931 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 21:25:04,931 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 21:25:04,933 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 21:25:04,933 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 21:25:04,934 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 21:25:04,934 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 21:25:04,934 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 21:25:04,936 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 21:25:04,936 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 21:25:04,936 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 21:25:04,937 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 21:25:04,937 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 21:25:04,937 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 21:25:04,937 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-22 21:25:04,938 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-22 21:25:04,940 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-22 21:25:04,940 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 21:25:04,940 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-22 21:25:04,940 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 21:25:04,941 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-22 21:25:04,941 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 21:25:04,941 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 21:25:04,941 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 21:25:04,941 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 21:25:04,942 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 21:25:04,942 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 21:25:04,942 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 21:25:04,942 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 21:25:04,942 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 21:25:04,943 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 21:25:04,943 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 21:25:04,943 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 21:25:04,943 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 21:25:04,943 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 21:25:04,945 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 21:25:04,945 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b51bd5b35703bd543bead4074e6d14da7b357845ee956f8678aa2abe4dcc1210 [2024-11-22 21:25:05,155 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 21:25:05,181 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 21:25:05,184 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 21:25:05,185 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 21:25:05,185 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 21:25:05,186 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix023_power.oepc_pso.oepc_rmo.oepc.i [2024-11-22 21:25:06,581 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 21:25:06,767 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 21:25:06,768 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix023_power.oepc_pso.oepc_rmo.oepc.i [2024-11-22 21:25:06,783 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4481d913/c49fef8e5e4646ad8d86e3019862ad11/FLAG534eb4b3b [2024-11-22 21:25:06,797 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4481d913/c49fef8e5e4646ad8d86e3019862ad11 [2024-11-22 21:25:06,799 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 21:25:06,800 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 21:25:06,801 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 21:25:06,801 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 21:25:06,805 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 21:25:06,806 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 09:25:06" (1/1) ... [2024-11-22 21:25:06,807 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47ac1e80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:25:06, skipping insertion in model container [2024-11-22 21:25:06,807 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 09:25:06" (1/1) ... [2024-11-22 21:25:06,836 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 21:25:07,330 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 21:25:07,340 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 21:25:07,383 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 21:25:07,423 INFO L204 MainTranslator]: Completed translation [2024-11-22 21:25:07,423 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:25:07 WrapperNode [2024-11-22 21:25:07,423 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 21:25:07,424 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 21:25:07,424 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 21:25:07,424 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 21:25:07,429 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:25:07" (1/1) ... [2024-11-22 21:25:07,440 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:25:07" (1/1) ... [2024-11-22 21:25:07,458 INFO L138 Inliner]: procedures = 176, calls = 56, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 132 [2024-11-22 21:25:07,459 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 21:25:07,459 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 21:25:07,460 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 21:25:07,460 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 21:25:07,468 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:25:07" (1/1) ... [2024-11-22 21:25:07,468 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:25:07" (1/1) ... [2024-11-22 21:25:07,471 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:25:07" (1/1) ... [2024-11-22 21:25:07,482 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-22 21:25:07,483 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:25:07" (1/1) ... [2024-11-22 21:25:07,483 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:25:07" (1/1) ... [2024-11-22 21:25:07,487 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:25:07" (1/1) ... [2024-11-22 21:25:07,489 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:25:07" (1/1) ... [2024-11-22 21:25:07,490 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:25:07" (1/1) ... [2024-11-22 21:25:07,491 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:25:07" (1/1) ... [2024-11-22 21:25:07,493 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 21:25:07,494 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 21:25:07,494 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 21:25:07,494 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 21:25:07,495 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:25:07" (1/1) ... [2024-11-22 21:25:07,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 21:25:07,512 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 21:25:07,531 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) [2024-11-22 21:25:07,541 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 [2024-11-22 21:25:07,583 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-22 21:25:07,584 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 21:25:07,584 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-22 21:25:07,584 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-22 21:25:07,584 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-22 21:25:07,584 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-22 21:25:07,584 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-22 21:25:07,584 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-22 21:25:07,584 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-11-22 21:25:07,584 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-11-22 21:25:07,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 21:25:07,585 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-22 21:25:07,585 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 21:25:07,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 21:25:07,586 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-22 21:25:07,729 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 21:25:07,731 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 21:25:08,012 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-22 21:25:08,013 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 21:25:08,147 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 21:25:08,148 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-22 21:25:08,148 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 09:25:08 BoogieIcfgContainer [2024-11-22 21:25:08,148 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 21:25:08,150 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 21:25:08,150 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 21:25:08,152 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 21:25:08,152 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 09:25:06" (1/3) ... [2024-11-22 21:25:08,153 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@544d12d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 09:25:08, skipping insertion in model container [2024-11-22 21:25:08,153 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:25:07" (2/3) ... [2024-11-22 21:25:08,153 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@544d12d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 09:25:08, skipping insertion in model container [2024-11-22 21:25:08,154 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 09:25:08" (3/3) ... [2024-11-22 21:25:08,154 INFO L112 eAbstractionObserver]: Analyzing ICFG mix023_power.oepc_pso.oepc_rmo.oepc.i [2024-11-22 21:25:08,168 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 21:25:08,168 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-11-22 21:25:08,168 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-22 21:25:08,269 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-22 21:25:08,304 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 66 places, 55 transitions, 126 flow [2024-11-22 21:25:08,339 INFO L124 PetriNetUnfolderBase]: 2/51 cut-off events. [2024-11-22 21:25:08,339 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-22 21:25:08,343 INFO L83 FinitePrefix]: Finished finitePrefix Result has 64 conditions, 51 events. 2/51 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 105 event pairs, 0 based on Foata normal form. 0/46 useless extension candidates. Maximal degree in co-relation 55. Up to 2 conditions per place. [2024-11-22 21:25:08,343 INFO L82 GeneralOperation]: Start removeDead. Operand has 66 places, 55 transitions, 126 flow [2024-11-22 21:25:08,349 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 62 places, 51 transitions, 114 flow [2024-11-22 21:25:08,359 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 21:25:08,365 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=None, 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;@30994482, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 21:25:08,367 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-22 21:25:08,371 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-22 21:25:08,372 INFO L124 PetriNetUnfolderBase]: 0/5 cut-off events. [2024-11-22 21:25:08,372 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-22 21:25:08,372 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 21:25:08,373 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-11-22 21:25:08,373 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-22 21:25:08,377 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:25:08,377 INFO L85 PathProgramCache]: Analyzing trace with hash 12895422, now seen corresponding path program 1 times [2024-11-22 21:25:08,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:25:08,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68011711] [2024-11-22 21:25:08,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:25:08,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:25:08,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:25:08,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 21:25:08,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:25:08,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68011711] [2024-11-22 21:25:08,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [68011711] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 21:25:08,745 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 21:25:08,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-22 21:25:08,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077567976] [2024-11-22 21:25:08,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 21:25:08,752 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 21:25:08,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:25:08,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 21:25:08,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 21:25:08,779 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 55 [2024-11-22 21:25:08,781 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 51 transitions, 114 flow. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 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) [2024-11-22 21:25:08,781 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 21:25:08,781 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 55 [2024-11-22 21:25:08,782 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 21:25:09,605 INFO L124 PetriNetUnfolderBase]: 3311/5198 cut-off events. [2024-11-22 21:25:09,606 INFO L125 PetriNetUnfolderBase]: For 39/39 co-relation queries the response was YES. [2024-11-22 21:25:09,619 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9878 conditions, 5198 events. 3311/5198 cut-off events. For 39/39 co-relation queries the response was YES. Maximal size of possible extension queue 320. Compared 33880 event pairs, 2177 based on Foata normal form. 288/5441 useless extension candidates. Maximal degree in co-relation 9866. Up to 3661 conditions per place. [2024-11-22 21:25:09,637 INFO L140 encePairwiseOnDemand]: 50/55 looper letters, 41 selfloop transitions, 2 changer transitions 2/67 dead transitions. [2024-11-22 21:25:09,637 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 67 transitions, 245 flow [2024-11-22 21:25:09,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 21:25:09,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 21:25:09,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 128 transitions. [2024-11-22 21:25:09,646 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7757575757575758 [2024-11-22 21:25:09,647 INFO L175 Difference]: Start difference. First operand has 62 places, 51 transitions, 114 flow. Second operand 3 states and 128 transitions. [2024-11-22 21:25:09,648 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 67 transitions, 245 flow [2024-11-22 21:25:09,651 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 67 transitions, 238 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-22 21:25:09,654 INFO L231 Difference]: Finished difference. Result has 58 places, 46 transitions, 104 flow [2024-11-22 21:25:09,657 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=55, PETRI_DIFFERENCE_MINUEND_FLOW=102, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=104, PETRI_PLACES=58, PETRI_TRANSITIONS=46} [2024-11-22 21:25:09,659 INFO L277 CegarLoopForPetriNet]: 62 programPoint places, -4 predicate places. [2024-11-22 21:25:09,660 INFO L471 AbstractCegarLoop]: Abstraction has has 58 places, 46 transitions, 104 flow [2024-11-22 21:25:09,660 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 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) [2024-11-22 21:25:09,661 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 21:25:09,661 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 21:25:09,661 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-22 21:25:09,661 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-22 21:25:09,662 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:25:09,662 INFO L85 PathProgramCache]: Analyzing trace with hash -1201967237, now seen corresponding path program 1 times [2024-11-22 21:25:09,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:25:09,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834741286] [2024-11-22 21:25:09,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:25:09,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:25:09,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:25:09,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 21:25:09,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:25:09,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834741286] [2024-11-22 21:25:09,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [834741286] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 21:25:09,725 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 21:25:09,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-22 21:25:09,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894133729] [2024-11-22 21:25:09,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 21:25:09,726 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 21:25:09,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:25:09,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 21:25:09,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 21:25:09,732 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 25 out of 55 [2024-11-22 21:25:09,732 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 46 transitions, 104 flow. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 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) [2024-11-22 21:25:09,732 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 21:25:09,732 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 25 of 55 [2024-11-22 21:25:09,732 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 21:25:10,322 INFO L124 PetriNetUnfolderBase]: 2903/4915 cut-off events. [2024-11-22 21:25:10,323 INFO L125 PetriNetUnfolderBase]: For 278/278 co-relation queries the response was YES. [2024-11-22 21:25:10,331 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9319 conditions, 4915 events. 2903/4915 cut-off events. For 278/278 co-relation queries the response was YES. Maximal size of possible extension queue 304. Compared 35320 event pairs, 2903 based on Foata normal form. 144/4897 useless extension candidates. Maximal degree in co-relation 9309. Up to 4016 conditions per place. [2024-11-22 21:25:10,350 INFO L140 encePairwiseOnDemand]: 53/55 looper letters, 22 selfloop transitions, 1 changer transitions 1/45 dead transitions. [2024-11-22 21:25:10,350 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 45 transitions, 150 flow [2024-11-22 21:25:10,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 21:25:10,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 21:25:10,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 100 transitions. [2024-11-22 21:25:10,352 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6060606060606061 [2024-11-22 21:25:10,352 INFO L175 Difference]: Start difference. First operand has 58 places, 46 transitions, 104 flow. Second operand 3 states and 100 transitions. [2024-11-22 21:25:10,353 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 45 transitions, 150 flow [2024-11-22 21:25:10,353 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 45 transitions, 146 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 21:25:10,354 INFO L231 Difference]: Finished difference. Result has 56 places, 44 transitions, 98 flow [2024-11-22 21:25:10,355 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=55, PETRI_DIFFERENCE_MINUEND_FLOW=98, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=98, PETRI_PLACES=56, PETRI_TRANSITIONS=44} [2024-11-22 21:25:10,355 INFO L277 CegarLoopForPetriNet]: 62 programPoint places, -6 predicate places. [2024-11-22 21:25:10,356 INFO L471 AbstractCegarLoop]: Abstraction has has 56 places, 44 transitions, 98 flow [2024-11-22 21:25:10,356 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 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) [2024-11-22 21:25:10,356 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 21:25:10,356 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 21:25:10,356 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-22 21:25:10,357 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-22 21:25:10,357 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:25:10,359 INFO L85 PathProgramCache]: Analyzing trace with hash -1201965953, now seen corresponding path program 1 times [2024-11-22 21:25:10,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:25:10,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556140623] [2024-11-22 21:25:10,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:25:10,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:25:10,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:25:10,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 21:25:10,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:25:10,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1556140623] [2024-11-22 21:25:10,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1556140623] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 21:25:10,612 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 21:25:10,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 21:25:10,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006116431] [2024-11-22 21:25:10,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 21:25:10,612 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 21:25:10,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:25:10,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 21:25:10,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 21:25:10,628 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 55 [2024-11-22 21:25:10,630 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 44 transitions, 98 flow. Second operand has 5 states, 5 states have (on average 19.8) internal successors, (99), 5 states have internal predecessors, (99), 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) [2024-11-22 21:25:10,630 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 21:25:10,630 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 55 [2024-11-22 21:25:10,630 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 21:25:16,317 INFO L124 PetriNetUnfolderBase]: 45528/65011 cut-off events. [2024-11-22 21:25:16,318 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-22 21:25:16,445 INFO L83 FinitePrefix]: Finished finitePrefix Result has 126356 conditions, 65011 events. 45528/65011 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2740. Compared 474970 event pairs, 10948 based on Foata normal form. 0/63474 useless extension candidates. Maximal degree in co-relation 126350. Up to 22989 conditions per place. [2024-11-22 21:25:16,600 INFO L140 encePairwiseOnDemand]: 42/55 looper letters, 48 selfloop transitions, 9 changer transitions 109/178 dead transitions. [2024-11-22 21:25:16,601 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 178 transitions, 702 flow [2024-11-22 21:25:16,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-22 21:25:16,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-22 21:25:16,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 321 transitions. [2024-11-22 21:25:16,605 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6484848484848484 [2024-11-22 21:25:16,607 INFO L175 Difference]: Start difference. First operand has 56 places, 44 transitions, 98 flow. Second operand 9 states and 321 transitions. [2024-11-22 21:25:16,607 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 178 transitions, 702 flow [2024-11-22 21:25:16,608 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 178 transitions, 701 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-22 21:25:16,611 INFO L231 Difference]: Finished difference. Result has 70 places, 51 transitions, 221 flow [2024-11-22 21:25:16,612 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=55, PETRI_DIFFERENCE_MINUEND_FLOW=97, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=221, PETRI_PLACES=70, PETRI_TRANSITIONS=51} [2024-11-22 21:25:16,612 INFO L277 CegarLoopForPetriNet]: 62 programPoint places, 8 predicate places. [2024-11-22 21:25:16,613 INFO L471 AbstractCegarLoop]: Abstraction has has 70 places, 51 transitions, 221 flow [2024-11-22 21:25:16,613 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.8) internal successors, (99), 5 states have internal predecessors, (99), 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) [2024-11-22 21:25:16,613 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 21:25:16,613 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 21:25:16,613 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-22 21:25:16,613 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-22 21:25:16,614 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:25:16,614 INFO L85 PathProgramCache]: Analyzing trace with hash 1289354014, now seen corresponding path program 1 times [2024-11-22 21:25:16,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:25:16,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733629067] [2024-11-22 21:25:16,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:25:16,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:25:16,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:25:16,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 21:25:16,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:25:16,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733629067] [2024-11-22 21:25:16,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1733629067] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 21:25:16,794 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 21:25:16,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 21:25:16,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430815019] [2024-11-22 21:25:16,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 21:25:16,795 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 21:25:16,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:25:16,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 21:25:16,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-22 21:25:16,810 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 55 [2024-11-22 21:25:16,810 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 51 transitions, 221 flow. Second operand has 6 states, 6 states have (on average 19.5) internal successors, (117), 6 states have internal predecessors, (117), 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) [2024-11-22 21:25:16,810 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 21:25:16,810 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 55 [2024-11-22 21:25:16,810 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 21:25:22,019 INFO L124 PetriNetUnfolderBase]: 34386/50486 cut-off events. [2024-11-22 21:25:22,019 INFO L125 PetriNetUnfolderBase]: For 70552/70633 co-relation queries the response was YES. [2024-11-22 21:25:22,244 INFO L83 FinitePrefix]: Finished finitePrefix Result has 152100 conditions, 50486 events. 34386/50486 cut-off events. For 70552/70633 co-relation queries the response was YES. Maximal size of possible extension queue 2171. Compared 370973 event pairs, 2140 based on Foata normal form. 1125/51569 useless extension candidates. Maximal degree in co-relation 152085. Up to 22002 conditions per place. [2024-11-22 21:25:22,414 INFO L140 encePairwiseOnDemand]: 43/55 looper letters, 63 selfloop transitions, 13 changer transitions 96/184 dead transitions. [2024-11-22 21:25:22,414 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 184 transitions, 1193 flow [2024-11-22 21:25:22,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-22 21:25:22,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-22 21:25:22,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 332 transitions. [2024-11-22 21:25:22,417 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6036363636363636 [2024-11-22 21:25:22,418 INFO L175 Difference]: Start difference. First operand has 70 places, 51 transitions, 221 flow. Second operand 10 states and 332 transitions. [2024-11-22 21:25:22,418 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 184 transitions, 1193 flow [2024-11-22 21:25:22,746 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 184 transitions, 1045 flow, removed 35 selfloop flow, removed 4 redundant places. [2024-11-22 21:25:22,748 INFO L231 Difference]: Finished difference. Result has 77 places, 59 transitions, 325 flow [2024-11-22 21:25:22,748 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=55, PETRI_DIFFERENCE_MINUEND_FLOW=187, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=325, PETRI_PLACES=77, PETRI_TRANSITIONS=59} [2024-11-22 21:25:22,749 INFO L277 CegarLoopForPetriNet]: 62 programPoint places, 15 predicate places. [2024-11-22 21:25:22,749 INFO L471 AbstractCegarLoop]: Abstraction has has 77 places, 59 transitions, 325 flow [2024-11-22 21:25:22,749 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.5) internal successors, (117), 6 states have internal predecessors, (117), 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) [2024-11-22 21:25:22,749 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 21:25:22,749 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 21:25:22,749 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-22 21:25:22,750 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-22 21:25:22,750 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:25:22,750 INFO L85 PathProgramCache]: Analyzing trace with hash 1014671830, now seen corresponding path program 1 times [2024-11-22 21:25:22,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:25:22,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660869079] [2024-11-22 21:25:22,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:25:22,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:25:22,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:25:22,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 21:25:22,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:25:22,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660869079] [2024-11-22 21:25:22,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1660869079] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 21:25:22,896 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 21:25:22,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 21:25:22,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802481024] [2024-11-22 21:25:22,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 21:25:22,897 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 21:25:22,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:25:22,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 21:25:22,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-22 21:25:22,908 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 55 [2024-11-22 21:25:22,908 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 59 transitions, 325 flow. Second operand has 6 states, 6 states have (on average 19.5) internal successors, (117), 6 states have internal predecessors, (117), 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) [2024-11-22 21:25:22,908 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 21:25:22,908 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 55 [2024-11-22 21:25:22,908 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 21:25:27,575 INFO L124 PetriNetUnfolderBase]: 31994/46946 cut-off events. [2024-11-22 21:25:27,576 INFO L125 PetriNetUnfolderBase]: For 133323/133411 co-relation queries the response was YES. [2024-11-22 21:25:27,830 INFO L83 FinitePrefix]: Finished finitePrefix Result has 154525 conditions, 46946 events. 31994/46946 cut-off events. For 133323/133411 co-relation queries the response was YES. Maximal size of possible extension queue 1947. Compared 341420 event pairs, 5535 based on Foata normal form. 1260/48109 useless extension candidates. Maximal degree in co-relation 154503. Up to 15077 conditions per place. [2024-11-22 21:25:28,190 INFO L140 encePairwiseOnDemand]: 44/55 looper letters, 72 selfloop transitions, 9 changer transitions 106/199 dead transitions. [2024-11-22 21:25:28,191 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 199 transitions, 1447 flow [2024-11-22 21:25:28,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-22 21:25:28,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-22 21:25:28,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 331 transitions. [2024-11-22 21:25:28,195 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6018181818181818 [2024-11-22 21:25:28,195 INFO L175 Difference]: Start difference. First operand has 77 places, 59 transitions, 325 flow. Second operand 10 states and 331 transitions. [2024-11-22 21:25:28,195 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 199 transitions, 1447 flow [2024-11-22 21:25:29,168 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 199 transitions, 1413 flow, removed 17 selfloop flow, removed 0 redundant places. [2024-11-22 21:25:29,171 INFO L231 Difference]: Finished difference. Result has 89 places, 64 transitions, 435 flow [2024-11-22 21:25:29,171 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=55, PETRI_DIFFERENCE_MINUEND_FLOW=315, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=435, PETRI_PLACES=89, PETRI_TRANSITIONS=64} [2024-11-22 21:25:29,172 INFO L277 CegarLoopForPetriNet]: 62 programPoint places, 27 predicate places. [2024-11-22 21:25:29,172 INFO L471 AbstractCegarLoop]: Abstraction has has 89 places, 64 transitions, 435 flow [2024-11-22 21:25:29,172 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.5) internal successors, (117), 6 states have internal predecessors, (117), 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) [2024-11-22 21:25:29,172 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 21:25:29,172 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] [2024-11-22 21:25:29,172 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-22 21:25:29,173 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-22 21:25:29,173 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:25:29,173 INFO L85 PathProgramCache]: Analyzing trace with hash 269552801, now seen corresponding path program 1 times [2024-11-22 21:25:29,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:25:29,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998061998] [2024-11-22 21:25:29,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:25:29,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:25:29,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:25:29,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 21:25:29,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:25:29,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998061998] [2024-11-22 21:25:29,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [998061998] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 21:25:29,314 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 21:25:29,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 21:25:29,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96409270] [2024-11-22 21:25:29,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 21:25:29,315 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 21:25:29,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:25:29,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 21:25:29,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-22 21:25:29,331 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 55 [2024-11-22 21:25:29,332 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 64 transitions, 435 flow. Second operand has 6 states, 6 states have (on average 19.666666666666668) internal successors, (118), 6 states have internal predecessors, (118), 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) [2024-11-22 21:25:29,332 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 21:25:29,332 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 55 [2024-11-22 21:25:29,332 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 21:25:33,802 INFO L124 PetriNetUnfolderBase]: 27159/39768 cut-off events. [2024-11-22 21:25:33,802 INFO L125 PetriNetUnfolderBase]: For 163049/163189 co-relation queries the response was YES. [2024-11-22 21:25:34,085 INFO L83 FinitePrefix]: Finished finitePrefix Result has 141497 conditions, 39768 events. 27159/39768 cut-off events. For 163049/163189 co-relation queries the response was YES. Maximal size of possible extension queue 1526. Compared 283505 event pairs, 4707 based on Foata normal form. 915/40632 useless extension candidates. Maximal degree in co-relation 141464. Up to 13373 conditions per place. [2024-11-22 21:25:34,367 INFO L140 encePairwiseOnDemand]: 44/55 looper letters, 83 selfloop transitions, 18 changer transitions 90/203 dead transitions. [2024-11-22 21:25:34,367 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 203 transitions, 1635 flow [2024-11-22 21:25:34,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-22 21:25:34,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-22 21:25:34,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 327 transitions. [2024-11-22 21:25:34,369 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5945454545454546 [2024-11-22 21:25:34,369 INFO L175 Difference]: Start difference. First operand has 89 places, 64 transitions, 435 flow. Second operand 10 states and 327 transitions. [2024-11-22 21:25:34,369 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 203 transitions, 1635 flow [2024-11-22 21:25:35,794 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 203 transitions, 1548 flow, removed 41 selfloop flow, removed 8 redundant places. [2024-11-22 21:25:35,797 INFO L231 Difference]: Finished difference. Result has 93 places, 74 transitions, 621 flow [2024-11-22 21:25:35,797 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=55, PETRI_DIFFERENCE_MINUEND_FLOW=398, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=621, PETRI_PLACES=93, PETRI_TRANSITIONS=74} [2024-11-22 21:25:35,799 INFO L277 CegarLoopForPetriNet]: 62 programPoint places, 31 predicate places. [2024-11-22 21:25:35,799 INFO L471 AbstractCegarLoop]: Abstraction has has 93 places, 74 transitions, 621 flow [2024-11-22 21:25:35,799 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.666666666666668) internal successors, (118), 6 states have internal predecessors, (118), 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) [2024-11-22 21:25:35,799 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 21:25:35,799 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] [2024-11-22 21:25:35,800 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-22 21:25:35,800 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-22 21:25:35,800 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:25:35,800 INFO L85 PathProgramCache]: Analyzing trace with hash -825459536, now seen corresponding path program 1 times [2024-11-22 21:25:35,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:25:35,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833213551] [2024-11-22 21:25:35,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:25:35,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:25:35,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:25:35,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 21:25:35,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:25:35,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833213551] [2024-11-22 21:25:35,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833213551] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 21:25:35,911 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 21:25:35,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 21:25:35,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600163301] [2024-11-22 21:25:35,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 21:25:35,912 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 21:25:35,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:25:35,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 21:25:35,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 21:25:35,920 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 21 out of 55 [2024-11-22 21:25:35,920 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 74 transitions, 621 flow. Second operand has 4 states, 4 states have (on average 24.5) internal successors, (98), 4 states have internal predecessors, (98), 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) [2024-11-22 21:25:35,920 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 21:25:35,920 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 21 of 55 [2024-11-22 21:25:35,920 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 21:25:41,285 INFO L124 PetriNetUnfolderBase]: 36234/54204 cut-off events. [2024-11-22 21:25:41,285 INFO L125 PetriNetUnfolderBase]: For 103291/115604 co-relation queries the response was YES. [2024-11-22 21:25:41,656 INFO L83 FinitePrefix]: Finished finitePrefix Result has 142478 conditions, 54204 events. 36234/54204 cut-off events. For 103291/115604 co-relation queries the response was YES. Maximal size of possible extension queue 1969. Compared 408571 event pairs, 5676 based on Foata normal form. 2525/54829 useless extension candidates. Maximal degree in co-relation 142442. Up to 28961 conditions per place. [2024-11-22 21:25:41,802 INFO L140 encePairwiseOnDemand]: 48/55 looper letters, 60 selfloop transitions, 6 changer transitions 0/110 dead transitions. [2024-11-22 21:25:41,803 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 110 transitions, 903 flow [2024-11-22 21:25:41,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 21:25:41,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-22 21:25:41,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 146 transitions. [2024-11-22 21:25:41,804 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6636363636363637 [2024-11-22 21:25:41,804 INFO L175 Difference]: Start difference. First operand has 93 places, 74 transitions, 621 flow. Second operand 4 states and 146 transitions. [2024-11-22 21:25:41,804 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 110 transitions, 903 flow [2024-11-22 21:25:42,798 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 110 transitions, 858 flow, removed 20 selfloop flow, removed 8 redundant places. [2024-11-22 21:25:42,800 INFO L231 Difference]: Finished difference. Result has 84 places, 79 transitions, 622 flow [2024-11-22 21:25:42,800 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=55, PETRI_DIFFERENCE_MINUEND_FLOW=576, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=68, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=622, PETRI_PLACES=84, PETRI_TRANSITIONS=79} [2024-11-22 21:25:42,800 INFO L277 CegarLoopForPetriNet]: 62 programPoint places, 22 predicate places. [2024-11-22 21:25:42,801 INFO L471 AbstractCegarLoop]: Abstraction has has 84 places, 79 transitions, 622 flow [2024-11-22 21:25:42,801 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.5) internal successors, (98), 4 states have internal predecessors, (98), 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) [2024-11-22 21:25:42,801 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 21:25:42,801 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] [2024-11-22 21:25:42,801 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-22 21:25:42,801 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-22 21:25:42,802 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:25:42,802 INFO L85 PathProgramCache]: Analyzing trace with hash 1401535036, now seen corresponding path program 1 times [2024-11-22 21:25:42,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:25:42,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912522497] [2024-11-22 21:25:42,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:25:42,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:25:42,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:25:42,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 21:25:42,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:25:42,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912522497] [2024-11-22 21:25:42,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [912522497] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 21:25:42,911 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 21:25:42,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 21:25:42,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636071862] [2024-11-22 21:25:42,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 21:25:42,912 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 21:25:42,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:25:42,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 21:25:42,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-22 21:25:42,916 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 21 out of 55 [2024-11-22 21:25:42,917 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 79 transitions, 622 flow. Second operand has 5 states, 5 states have (on average 24.2) internal successors, (121), 5 states have internal predecessors, (121), 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) [2024-11-22 21:25:42,917 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 21:25:42,917 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 21 of 55 [2024-11-22 21:25:42,917 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 21:25:47,020 INFO L124 PetriNetUnfolderBase]: 28786/43430 cut-off events. [2024-11-22 21:25:47,020 INFO L125 PetriNetUnfolderBase]: For 59802/67356 co-relation queries the response was YES. [2024-11-22 21:25:47,290 INFO L83 FinitePrefix]: Finished finitePrefix Result has 120752 conditions, 43430 events. 28786/43430 cut-off events. For 59802/67356 co-relation queries the response was YES. Maximal size of possible extension queue 1574. Compared 320059 event pairs, 3334 based on Foata normal form. 1937/43886 useless extension candidates. Maximal degree in co-relation 120720. Up to 14725 conditions per place. [2024-11-22 21:25:47,602 INFO L140 encePairwiseOnDemand]: 48/55 looper letters, 78 selfloop transitions, 10 changer transitions 0/132 dead transitions. [2024-11-22 21:25:47,603 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 132 transitions, 1041 flow [2024-11-22 21:25:47,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 21:25:47,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-22 21:25:47,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 187 transitions. [2024-11-22 21:25:47,607 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.68 [2024-11-22 21:25:47,607 INFO L175 Difference]: Start difference. First operand has 84 places, 79 transitions, 622 flow. Second operand 5 states and 187 transitions. [2024-11-22 21:25:47,607 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 132 transitions, 1041 flow [2024-11-22 21:25:47,676 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 132 transitions, 1014 flow, removed 12 selfloop flow, removed 5 redundant places. [2024-11-22 21:25:47,679 INFO L231 Difference]: Finished difference. Result has 85 places, 84 transitions, 675 flow [2024-11-22 21:25:47,679 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=55, PETRI_DIFFERENCE_MINUEND_FLOW=608, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=79, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=675, PETRI_PLACES=85, PETRI_TRANSITIONS=84} [2024-11-22 21:25:47,680 INFO L277 CegarLoopForPetriNet]: 62 programPoint places, 23 predicate places. [2024-11-22 21:25:47,680 INFO L471 AbstractCegarLoop]: Abstraction has has 85 places, 84 transitions, 675 flow [2024-11-22 21:25:47,680 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.2) internal successors, (121), 5 states have internal predecessors, (121), 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) [2024-11-22 21:25:47,680 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 21:25:47,681 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] [2024-11-22 21:25:47,681 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-22 21:25:47,681 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-22 21:25:47,681 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:25:47,681 INFO L85 PathProgramCache]: Analyzing trace with hash -1177522403, now seen corresponding path program 1 times [2024-11-22 21:25:47,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:25:47,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318172334] [2024-11-22 21:25:47,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:25:47,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:25:47,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:25:47,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 21:25:47,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:25:47,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318172334] [2024-11-22 21:25:47,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1318172334] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 21:25:47,864 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 21:25:47,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 21:25:47,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044881715] [2024-11-22 21:25:47,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 21:25:47,864 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 21:25:47,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:25:47,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 21:25:47,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-22 21:25:47,870 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 21 out of 55 [2024-11-22 21:25:47,870 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 85 places, 84 transitions, 675 flow. Second operand has 6 states, 6 states have (on average 24.166666666666668) internal successors, (145), 6 states have internal predecessors, (145), 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) [2024-11-22 21:25:47,870 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 21:25:47,870 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 21 of 55 [2024-11-22 21:25:47,870 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand