./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/pthread-wmm/mix036_power.opt_rmo.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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/mix036_power.opt_rmo.opt.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 f5d83fc7ee9b26859e9993ee2fcff801f4a9d92dea17a48a6a39594bb6b759ca --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 17:54:41,321 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 17:54:41,389 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-11-10 17:54:41,393 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 17:54:41,394 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 17:54:41,415 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 17:54:41,415 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 17:54:41,416 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 17:54:41,416 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 17:54:41,416 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 17:54:41,417 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 17:54:41,417 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 17:54:41,417 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 17:54:41,418 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 17:54:41,418 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 17:54:41,418 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 17:54:41,419 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 17:54:41,419 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 17:54:41,419 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 17:54:41,420 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 17:54:41,420 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-10 17:54:41,421 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-10 17:54:41,421 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-10 17:54:41,421 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 17:54:41,421 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-10 17:54:41,422 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 17:54:41,422 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 17:54:41,422 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 17:54:41,422 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 17:54:41,423 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 17:54:41,423 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 17:54:41,423 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 17:54:41,424 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 17:54:41,426 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 17:54:41,427 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 17:54:41,427 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 17:54:41,427 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 17:54:41,427 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 17:54:41,427 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 17:54:41,428 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 17:54:41,428 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 17:54:41,428 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 17:54:41,428 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f5d83fc7ee9b26859e9993ee2fcff801f4a9d92dea17a48a6a39594bb6b759ca [2024-11-10 17:54:41,705 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 17:54:41,729 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 17:54:41,733 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 17:54:41,734 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 17:54:41,735 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 17:54:41,737 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix036_power.opt_rmo.opt.i [2024-11-10 17:54:43,175 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 17:54:43,415 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 17:54:43,416 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix036_power.opt_rmo.opt.i [2024-11-10 17:54:43,432 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21528c218/2b67bbd19e1d49cfbe4423776e412816/FLAG90a4f25d3 [2024-11-10 17:54:43,445 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21528c218/2b67bbd19e1d49cfbe4423776e412816 [2024-11-10 17:54:43,447 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 17:54:43,448 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 17:54:43,449 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 17:54:43,450 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 17:54:43,454 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 17:54:43,454 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:54:43" (1/1) ... [2024-11-10 17:54:43,455 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@412dec8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:54:43, skipping insertion in model container [2024-11-10 17:54:43,455 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:54:43" (1/1) ... [2024-11-10 17:54:43,506 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 17:54:43,948 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 17:54:43,961 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 17:54:44,024 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 17:54:44,063 INFO L204 MainTranslator]: Completed translation [2024-11-10 17:54:44,063 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:54:44 WrapperNode [2024-11-10 17:54:44,064 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 17:54:44,065 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 17:54:44,065 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 17:54:44,065 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 17:54:44,072 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:54:44" (1/1) ... [2024-11-10 17:54:44,092 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:54:44" (1/1) ... [2024-11-10 17:54:44,131 INFO L138 Inliner]: procedures = 176, calls = 56, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 134 [2024-11-10 17:54:44,131 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 17:54:44,133 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 17:54:44,133 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 17:54:44,133 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 17:54:44,143 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:54:44" (1/1) ... [2024-11-10 17:54:44,144 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:54:44" (1/1) ... [2024-11-10 17:54:44,149 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:54:44" (1/1) ... [2024-11-10 17:54:44,174 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]. [2024-11-10 17:54:44,176 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:54:44" (1/1) ... [2024-11-10 17:54:44,177 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:54:44" (1/1) ... [2024-11-10 17:54:44,189 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:54:44" (1/1) ... [2024-11-10 17:54:44,190 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:54:44" (1/1) ... [2024-11-10 17:54:44,193 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:54:44" (1/1) ... [2024-11-10 17:54:44,195 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:54:44" (1/1) ... [2024-11-10 17:54:44,200 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 17:54:44,201 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 17:54:44,201 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 17:54:44,201 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 17:54:44,202 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:54:44" (1/1) ... [2024-11-10 17:54:44,208 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 17:54:44,218 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 17:54:44,237 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) [2024-11-10 17:54:44,243 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 [2024-11-10 17:54:44,286 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-10 17:54:44,286 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 17:54:44,286 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-10 17:54:44,287 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-10 17:54:44,287 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-10 17:54:44,287 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-10 17:54:44,287 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-10 17:54:44,287 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-10 17:54:44,287 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-11-10 17:54:44,288 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-11-10 17:54:44,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 17:54:44,288 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-10 17:54:44,288 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 17:54:44,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 17:54:44,290 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-10 17:54:44,433 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 17:54:44,449 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 17:54:44,778 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-10 17:54:44,778 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 17:54:44,973 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 17:54:44,973 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 17:54:44,974 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 05:54:44 BoogieIcfgContainer [2024-11-10 17:54:44,974 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 17:54:44,976 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 17:54:44,976 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 17:54:44,979 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 17:54:44,979 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 05:54:43" (1/3) ... [2024-11-10 17:54:44,980 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7652fb3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 05:54:44, skipping insertion in model container [2024-11-10 17:54:44,980 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:54:44" (2/3) ... [2024-11-10 17:54:44,981 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7652fb3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 05:54:44, skipping insertion in model container [2024-11-10 17:54:44,982 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 05:54:44" (3/3) ... [2024-11-10 17:54:44,983 INFO L112 eAbstractionObserver]: Analyzing ICFG mix036_power.opt_rmo.opt.i [2024-11-10 17:54:44,999 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 17:54:45,000 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-11-10 17:54:45,001 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-10 17:54:45,061 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-10 17:54:45,098 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 66 places, 55 transitions, 126 flow [2024-11-10 17:54:45,134 INFO L124 PetriNetUnfolderBase]: 2/51 cut-off events. [2024-11-10 17:54:45,135 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 17:54:45,139 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 5. Compared 107 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. [2024-11-10 17:54:45,140 INFO L82 GeneralOperation]: Start removeDead. Operand has 66 places, 55 transitions, 126 flow [2024-11-10 17:54:45,145 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 62 places, 51 transitions, 114 flow [2024-11-10 17:54:45,156 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 17:54:45,162 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;@40acaaa4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 17:54:45,162 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-10 17:54:45,170 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-10 17:54:45,170 INFO L124 PetriNetUnfolderBase]: 0/17 cut-off events. [2024-11-10 17:54:45,171 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 17:54:45,171 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 17:54:45,172 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 17:54:45,172 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P2Err0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-10 17:54:45,178 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 17:54:45,178 INFO L85 PathProgramCache]: Analyzing trace with hash -1115794914, now seen corresponding path program 1 times [2024-11-10 17:54:45,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 17:54:45,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163868755] [2024-11-10 17:54:45,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 17:54:45,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 17:54:45,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 17:54:45,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 17:54:45,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 17:54:45,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [163868755] [2024-11-10 17:54:45,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [163868755] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 17:54:45,738 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 17:54:45,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-10 17:54:45,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291894662] [2024-11-10 17:54:45,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 17:54:45,747 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 17:54:45,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 17:54:45,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 17:54:45,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 17:54:45,773 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 55 [2024-11-10 17:54:45,775 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 51 transitions, 114 flow. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 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) [2024-11-10 17:54:45,775 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 17:54:45,775 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 55 [2024-11-10 17:54:45,776 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 17:54:52,821 INFO L124 PetriNetUnfolderBase]: 57803/76565 cut-off events. [2024-11-10 17:54:52,821 INFO L125 PetriNetUnfolderBase]: For 240/240 co-relation queries the response was YES. [2024-11-10 17:54:52,955 INFO L83 FinitePrefix]: Finished finitePrefix Result has 152689 conditions, 76565 events. 57803/76565 cut-off events. For 240/240 co-relation queries the response was YES. Maximal size of possible extension queue 2154. Compared 463077 event pairs, 7283 based on Foata normal form. 3420/79928 useless extension candidates. Maximal degree in co-relation 152677. Up to 65281 conditions per place. [2024-11-10 17:54:53,352 INFO L140 encePairwiseOnDemand]: 50/55 looper letters, 63 selfloop transitions, 2 changer transitions 2/75 dead transitions. [2024-11-10 17:54:53,353 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 75 transitions, 299 flow [2024-11-10 17:54:53,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 17:54:53,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 17:54:53,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 108 transitions. [2024-11-10 17:54:53,367 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6545454545454545 [2024-11-10 17:54:53,369 INFO L175 Difference]: Start difference. First operand has 62 places, 51 transitions, 114 flow. Second operand 3 states and 108 transitions. [2024-11-10 17:54:53,370 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 75 transitions, 299 flow [2024-11-10 17:54:53,380 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 75 transitions, 294 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-10 17:54:53,385 INFO L231 Difference]: Finished difference. Result has 58 places, 46 transitions, 104 flow [2024-11-10 17:54:53,388 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} [2024-11-10 17:54:53,394 INFO L277 CegarLoopForPetriNet]: 62 programPoint places, -4 predicate places. [2024-11-10 17:54:53,395 INFO L471 AbstractCegarLoop]: Abstraction has has 58 places, 46 transitions, 104 flow [2024-11-10 17:54:53,395 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 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) [2024-11-10 17:54:53,395 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 17:54:53,395 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 17:54:53,396 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 17:54:53,396 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-10 17:54:53,397 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 17:54:53,397 INFO L85 PathProgramCache]: Analyzing trace with hash 1788387056, now seen corresponding path program 1 times [2024-11-10 17:54:53,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 17:54:53,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80367635] [2024-11-10 17:54:53,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 17:54:53,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 17:54:53,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 17:54:53,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 17:54:53,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 17:54:53,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80367635] [2024-11-10 17:54:53,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [80367635] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 17:54:53,496 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 17:54:53,496 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-10 17:54:53,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16958988] [2024-11-10 17:54:53,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 17:54:53,498 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 17:54:53,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 17:54:53,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 17:54:53,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 17:54:53,502 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 55 [2024-11-10 17:54:53,502 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 46 transitions, 104 flow. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 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) [2024-11-10 17:54:53,502 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 17:54:53,503 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 55 [2024-11-10 17:54:53,503 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 17:54:58,326 INFO L124 PetriNetUnfolderBase]: 51971/72409 cut-off events. [2024-11-10 17:54:58,326 INFO L125 PetriNetUnfolderBase]: For 2664/2664 co-relation queries the response was YES. [2024-11-10 17:54:58,461 INFO L83 FinitePrefix]: Finished finitePrefix Result has 143635 conditions, 72409 events. 51971/72409 cut-off events. For 2664/2664 co-relation queries the response was YES. Maximal size of possible extension queue 2166. Compared 474124 event pairs, 51971 based on Foata normal form. 1728/73891 useless extension candidates. Maximal degree in co-relation 143625. Up to 68040 conditions per place. [2024-11-10 17:54:58,707 INFO L140 encePairwiseOnDemand]: 53/55 looper letters, 36 selfloop transitions, 1 changer transitions 1/45 dead transitions. [2024-11-10 17:54:58,707 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 45 transitions, 178 flow [2024-11-10 17:54:58,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 17:54:58,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 17:54:58,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 72 transitions. [2024-11-10 17:54:58,710 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.43636363636363634 [2024-11-10 17:54:58,711 INFO L175 Difference]: Start difference. First operand has 58 places, 46 transitions, 104 flow. Second operand 3 states and 72 transitions. [2024-11-10 17:54:58,711 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 45 transitions, 178 flow [2024-11-10 17:54:58,716 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 45 transitions, 174 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 17:54:58,718 INFO L231 Difference]: Finished difference. Result has 56 places, 44 transitions, 98 flow [2024-11-10 17:54:58,718 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} [2024-11-10 17:54:58,719 INFO L277 CegarLoopForPetriNet]: 62 programPoint places, -6 predicate places. [2024-11-10 17:54:58,719 INFO L471 AbstractCegarLoop]: Abstraction has has 56 places, 44 transitions, 98 flow [2024-11-10 17:54:58,720 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 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) [2024-11-10 17:54:58,720 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 17:54:58,720 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 17:54:58,720 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 17:54:58,721 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-10 17:54:58,722 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 17:54:58,722 INFO L85 PathProgramCache]: Analyzing trace with hash 1788387620, now seen corresponding path program 1 times [2024-11-10 17:54:58,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 17:54:58,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397454259] [2024-11-10 17:54:58,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 17:54:58,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 17:54:58,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 17:54:58,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 17:54:58,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 17:54:58,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397454259] [2024-11-10 17:54:58,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1397454259] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 17:54:58,968 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 17:54:58,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 17:54:58,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720314046] [2024-11-10 17:54:58,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 17:54:58,968 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 17:54:58,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 17:54:58,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 17:54:58,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 17:54:58,971 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 55 [2024-11-10 17:54:58,973 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 44 transitions, 98 flow. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 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) [2024-11-10 17:54:58,973 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 17:54:58,973 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 55 [2024-11-10 17:54:58,973 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 17:55:04,479 INFO L124 PetriNetUnfolderBase]: 59315/80185 cut-off events. [2024-11-10 17:55:04,479 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 17:55:04,610 INFO L83 FinitePrefix]: Finished finitePrefix Result has 158683 conditions, 80185 events. 59315/80185 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2211. Compared 492762 event pairs, 13415 based on Foata normal form. 0/79075 useless extension candidates. Maximal degree in co-relation 158677. Up to 37153 conditions per place. [2024-11-10 17:55:04,846 INFO L140 encePairwiseOnDemand]: 49/55 looper letters, 54 selfloop transitions, 2 changer transitions 99/161 dead transitions. [2024-11-10 17:55:04,847 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 161 transitions, 642 flow [2024-11-10 17:55:04,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 17:55:04,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-10 17:55:04,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 245 transitions. [2024-11-10 17:55:04,852 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5568181818181818 [2024-11-10 17:55:04,852 INFO L175 Difference]: Start difference. First operand has 56 places, 44 transitions, 98 flow. Second operand 8 states and 245 transitions. [2024-11-10 17:55:04,853 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 161 transitions, 642 flow [2024-11-10 17:55:04,854 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 161 transitions, 641 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-10 17:55:04,859 INFO L231 Difference]: Finished difference. Result has 66 places, 43 transitions, 111 flow [2024-11-10 17:55:04,859 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=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=111, PETRI_PLACES=66, PETRI_TRANSITIONS=43} [2024-11-10 17:55:04,860 INFO L277 CegarLoopForPetriNet]: 62 programPoint places, 4 predicate places. [2024-11-10 17:55:04,860 INFO L471 AbstractCegarLoop]: Abstraction has has 66 places, 43 transitions, 111 flow [2024-11-10 17:55:04,861 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 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) [2024-11-10 17:55:04,861 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 17:55:04,861 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] [2024-11-10 17:55:04,862 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 17:55:04,862 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-10 17:55:04,862 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 17:55:04,862 INFO L85 PathProgramCache]: Analyzing trace with hash 69403026, now seen corresponding path program 1 times [2024-11-10 17:55:04,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 17:55:04,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905028338] [2024-11-10 17:55:04,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 17:55:04,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 17:55:04,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 17:55:05,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 17:55:05,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 17:55:05,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905028338] [2024-11-10 17:55:05,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [905028338] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 17:55:05,032 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 17:55:05,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 17:55:05,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835247398] [2024-11-10 17:55:05,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 17:55:05,033 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 17:55:05,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 17:55:05,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 17:55:05,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 17:55:05,034 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 55 [2024-11-10 17:55:05,035 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 43 transitions, 111 flow. Second operand has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 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) [2024-11-10 17:55:05,035 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 17:55:05,035 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 55 [2024-11-10 17:55:05,035 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 17:55:08,428 INFO L124 PetriNetUnfolderBase]: 36911/51125 cut-off events. [2024-11-10 17:55:08,429 INFO L125 PetriNetUnfolderBase]: For 2688/2688 co-relation queries the response was YES. [2024-11-10 17:55:08,569 INFO L83 FinitePrefix]: Finished finitePrefix Result has 107609 conditions, 51125 events. 36911/51125 cut-off events. For 2688/2688 co-relation queries the response was YES. Maximal size of possible extension queue 1403. Compared 317636 event pairs, 5075 based on Foata normal form. 1728/52839 useless extension candidates. Maximal degree in co-relation 107597. Up to 27973 conditions per place. [2024-11-10 17:55:08,718 INFO L140 encePairwiseOnDemand]: 48/55 looper letters, 78 selfloop transitions, 6 changer transitions 1/91 dead transitions. [2024-11-10 17:55:08,718 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 91 transitions, 389 flow [2024-11-10 17:55:08,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 17:55:08,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-10 17:55:08,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 135 transitions. [2024-11-10 17:55:08,720 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6136363636363636 [2024-11-10 17:55:08,720 INFO L175 Difference]: Start difference. First operand has 66 places, 43 transitions, 111 flow. Second operand 4 states and 135 transitions. [2024-11-10 17:55:08,720 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 91 transitions, 389 flow [2024-11-10 17:55:09,472 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 91 transitions, 373 flow, removed 4 selfloop flow, removed 6 redundant places. [2024-11-10 17:55:09,474 INFO L231 Difference]: Finished difference. Result has 59 places, 47 transitions, 141 flow [2024-11-10 17:55:09,474 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=55, PETRI_DIFFERENCE_MINUEND_FLOW=99, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=141, PETRI_PLACES=59, PETRI_TRANSITIONS=47} [2024-11-10 17:55:09,475 INFO L277 CegarLoopForPetriNet]: 62 programPoint places, -3 predicate places. [2024-11-10 17:55:09,475 INFO L471 AbstractCegarLoop]: Abstraction has has 59 places, 47 transitions, 141 flow [2024-11-10 17:55:09,476 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 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) [2024-11-10 17:55:09,476 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 17:55:09,476 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] [2024-11-10 17:55:09,476 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 17:55:09,477 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-10 17:55:09,477 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 17:55:09,477 INFO L85 PathProgramCache]: Analyzing trace with hash -415716700, now seen corresponding path program 1 times [2024-11-10 17:55:09,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 17:55:09,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784763404] [2024-11-10 17:55:09,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 17:55:09,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 17:55:09,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 17:55:09,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 17:55:09,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 17:55:09,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784763404] [2024-11-10 17:55:09,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [784763404] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 17:55:09,711 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 17:55:09,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 17:55:09,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975811076] [2024-11-10 17:55:09,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 17:55:09,712 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 17:55:09,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 17:55:09,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 17:55:09,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-10 17:55:09,715 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 55 [2024-11-10 17:55:09,717 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 47 transitions, 141 flow. Second operand has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 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) [2024-11-10 17:55:09,717 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 17:55:09,717 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 55 [2024-11-10 17:55:09,717 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 17:55:12,005 INFO L124 PetriNetUnfolderBase]: 24319/33957 cut-off events. [2024-11-10 17:55:12,005 INFO L125 PetriNetUnfolderBase]: For 6930/6930 co-relation queries the response was YES. [2024-11-10 17:55:12,082 INFO L83 FinitePrefix]: Finished finitePrefix Result has 77975 conditions, 33957 events. 24319/33957 cut-off events. For 6930/6930 co-relation queries the response was YES. Maximal size of possible extension queue 828. Compared 200258 event pairs, 2975 based on Foata normal form. 1344/35287 useless extension candidates. Maximal degree in co-relation 77965. Up to 12853 conditions per place. [2024-11-10 17:55:12,163 INFO L140 encePairwiseOnDemand]: 48/55 looper letters, 101 selfloop transitions, 10 changer transitions 1/118 dead transitions. [2024-11-10 17:55:12,163 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 118 transitions, 539 flow [2024-11-10 17:55:12,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 17:55:12,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-10 17:55:12,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 174 transitions. [2024-11-10 17:55:12,165 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6327272727272727 [2024-11-10 17:55:12,165 INFO L175 Difference]: Start difference. First operand has 59 places, 47 transitions, 141 flow. Second operand 5 states and 174 transitions. [2024-11-10 17:55:12,165 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 118 transitions, 539 flow [2024-11-10 17:55:12,175 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 118 transitions, 528 flow, removed 1 selfloop flow, removed 2 redundant places. [2024-11-10 17:55:12,177 INFO L231 Difference]: Finished difference. Result has 63 places, 51 transitions, 193 flow [2024-11-10 17:55:12,177 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=55, PETRI_DIFFERENCE_MINUEND_FLOW=132, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=193, PETRI_PLACES=63, PETRI_TRANSITIONS=51} [2024-11-10 17:55:12,178 INFO L277 CegarLoopForPetriNet]: 62 programPoint places, 1 predicate places. [2024-11-10 17:55:12,178 INFO L471 AbstractCegarLoop]: Abstraction has has 63 places, 51 transitions, 193 flow [2024-11-10 17:55:12,178 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 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) [2024-11-10 17:55:12,178 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 17:55:12,179 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] [2024-11-10 17:55:12,179 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 17:55:12,179 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-10 17:55:12,179 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 17:55:12,179 INFO L85 PathProgramCache]: Analyzing trace with hash 899410032, now seen corresponding path program 1 times [2024-11-10 17:55:12,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 17:55:12,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269361844] [2024-11-10 17:55:12,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 17:55:12,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 17:55:12,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 17:55:12,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 17:55:12,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 17:55:12,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269361844] [2024-11-10 17:55:12,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1269361844] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 17:55:12,398 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 17:55:12,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 17:55:12,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746666881] [2024-11-10 17:55:12,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 17:55:12,399 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 17:55:12,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 17:55:12,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 17:55:12,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-10 17:55:12,401 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 55 [2024-11-10 17:55:12,402 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 51 transitions, 193 flow. Second operand has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 6 states have internal predecessors, (91), 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) [2024-11-10 17:55:12,403 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 17:55:12,403 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 55 [2024-11-10 17:55:12,403 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 17:55:15,778 INFO L124 PetriNetUnfolderBase]: 31215/43384 cut-off events. [2024-11-10 17:55:15,779 INFO L125 PetriNetUnfolderBase]: For 23952/23952 co-relation queries the response was YES. [2024-11-10 17:55:15,893 INFO L83 FinitePrefix]: Finished finitePrefix Result has 107754 conditions, 43384 events. 31215/43384 cut-off events. For 23952/23952 co-relation queries the response was YES. Maximal size of possible extension queue 1027. Compared 261894 event pairs, 6375 based on Foata normal form. 368/43746 useless extension candidates. Maximal degree in co-relation 107742. Up to 24310 conditions per place. [2024-11-10 17:55:16,171 INFO L140 encePairwiseOnDemand]: 50/55 looper letters, 98 selfloop transitions, 2 changer transitions 48/154 dead transitions. [2024-11-10 17:55:16,172 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 154 transitions, 870 flow [2024-11-10 17:55:16,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 17:55:16,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 17:55:16,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 193 transitions. [2024-11-10 17:55:16,173 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5848484848484848 [2024-11-10 17:55:16,173 INFO L175 Difference]: Start difference. First operand has 63 places, 51 transitions, 193 flow. Second operand 6 states and 193 transitions. [2024-11-10 17:55:16,173 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 154 transitions, 870 flow [2024-11-10 17:55:16,270 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 154 transitions, 798 flow, removed 14 selfloop flow, removed 4 redundant places. [2024-11-10 17:55:16,271 INFO L231 Difference]: Finished difference. Result has 68 places, 52 transitions, 183 flow [2024-11-10 17:55:16,272 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=55, PETRI_DIFFERENCE_MINUEND_FLOW=166, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=183, PETRI_PLACES=68, PETRI_TRANSITIONS=52} [2024-11-10 17:55:16,273 INFO L277 CegarLoopForPetriNet]: 62 programPoint places, 6 predicate places. [2024-11-10 17:55:16,273 INFO L471 AbstractCegarLoop]: Abstraction has has 68 places, 52 transitions, 183 flow [2024-11-10 17:55:16,274 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 6 states have internal predecessors, (91), 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) [2024-11-10 17:55:16,274 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 17:55:16,275 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] [2024-11-10 17:55:16,275 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 17:55:16,275 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-10 17:55:16,275 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 17:55:16,275 INFO L85 PathProgramCache]: Analyzing trace with hash 1380309978, now seen corresponding path program 2 times [2024-11-10 17:55:16,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 17:55:16,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080108998] [2024-11-10 17:55:16,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 17:55:16,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 17:55:16,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 17:55:16,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 17:55:16,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 17:55:16,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080108998] [2024-11-10 17:55:16,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1080108998] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 17:55:16,500 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 17:55:16,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 17:55:16,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324896049] [2024-11-10 17:55:16,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 17:55:16,501 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 17:55:16,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 17:55:16,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 17:55:16,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-10 17:55:16,502 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 55 [2024-11-10 17:55:16,503 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 52 transitions, 183 flow. Second operand has 6 states, 6 states have (on average 16.166666666666668) internal successors, (97), 6 states have internal predecessors, (97), 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) [2024-11-10 17:55:16,503 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 17:55:16,503 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 55 [2024-11-10 17:55:16,503 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 17:55:18,506 INFO L124 PetriNetUnfolderBase]: 20879/29021 cut-off events. [2024-11-10 17:55:18,507 INFO L125 PetriNetUnfolderBase]: For 12980/12980 co-relation queries the response was YES. [2024-11-10 17:55:18,576 INFO L83 FinitePrefix]: Finished finitePrefix Result has 70201 conditions, 29021 events. 20879/29021 cut-off events. For 12980/12980 co-relation queries the response was YES. Maximal size of possible extension queue 759. Compared 164762 event pairs, 3219 based on Foata normal form. 1008/30015 useless extension candidates. Maximal degree in co-relation 70187. Up to 8732 conditions per place. [2024-11-10 17:55:18,637 INFO L140 encePairwiseOnDemand]: 48/55 looper letters, 121 selfloop transitions, 14 changer transitions 5/146 dead transitions. [2024-11-10 17:55:18,637 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 146 transitions, 732 flow [2024-11-10 17:55:18,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 17:55:18,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 17:55:18,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 211 transitions. [2024-11-10 17:55:18,639 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6393939393939394 [2024-11-10 17:55:18,639 INFO L175 Difference]: Start difference. First operand has 68 places, 52 transitions, 183 flow. Second operand 6 states and 211 transitions. [2024-11-10 17:55:18,639 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 146 transitions, 732 flow [2024-11-10 17:55:18,652 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 146 transitions, 723 flow, removed 2 selfloop flow, removed 3 redundant places. [2024-11-10 17:55:18,653 INFO L231 Difference]: Finished difference. Result has 70 places, 56 transitions, 255 flow [2024-11-10 17:55:18,654 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=55, PETRI_DIFFERENCE_MINUEND_FLOW=178, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=255, PETRI_PLACES=70, PETRI_TRANSITIONS=56} [2024-11-10 17:55:18,654 INFO L277 CegarLoopForPetriNet]: 62 programPoint places, 8 predicate places. [2024-11-10 17:55:18,655 INFO L471 AbstractCegarLoop]: Abstraction has has 70 places, 56 transitions, 255 flow [2024-11-10 17:55:18,655 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.166666666666668) internal successors, (97), 6 states have internal predecessors, (97), 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) [2024-11-10 17:55:18,655 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 17:55:18,655 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] [2024-11-10 17:55:18,656 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-10 17:55:18,656 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-10 17:55:18,656 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 17:55:18,656 INFO L85 PathProgramCache]: Analyzing trace with hash 139846064, now seen corresponding path program 1 times [2024-11-10 17:55:18,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 17:55:18,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833255657] [2024-11-10 17:55:18,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 17:55:18,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 17:55:18,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 17:55:18,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 17:55:18,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 17:55:18,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833255657] [2024-11-10 17:55:18,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833255657] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 17:55:18,981 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 17:55:18,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 17:55:18,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056145148] [2024-11-10 17:55:18,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 17:55:18,982 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 17:55:18,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 17:55:18,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 17:55:18,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-10 17:55:18,985 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 55 [2024-11-10 17:55:18,985 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 56 transitions, 255 flow. Second operand has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 6 states have internal predecessors, (95), 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) [2024-11-10 17:55:18,985 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 17:55:18,986 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 55 [2024-11-10 17:55:18,986 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 17:55:22,057 INFO L124 PetriNetUnfolderBase]: 29517/40979 cut-off events. [2024-11-10 17:55:22,058 INFO L125 PetriNetUnfolderBase]: For 37860/37860 co-relation queries the response was YES. [2024-11-10 17:55:22,172 INFO L83 FinitePrefix]: Finished finitePrefix Result has 110110 conditions, 40979 events. 29517/40979 cut-off events. For 37860/37860 co-relation queries the response was YES. Maximal size of possible extension queue 1018. Compared 241438 event pairs, 6659 based on Foata normal form. 192/41168 useless extension candidates. Maximal degree in co-relation 110095. Up to 22990 conditions per place. [2024-11-10 17:55:22,249 INFO L140 encePairwiseOnDemand]: 45/55 looper letters, 128 selfloop transitions, 10 changer transitions 60/204 dead transitions. [2024-11-10 17:55:22,249 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 204 transitions, 1268 flow [2024-11-10 17:55:22,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 17:55:22,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-10 17:55:22,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 267 transitions. [2024-11-10 17:55:22,250 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5393939393939394 [2024-11-10 17:55:22,250 INFO L175 Difference]: Start difference. First operand has 70 places, 56 transitions, 255 flow. Second operand 9 states and 267 transitions. [2024-11-10 17:55:22,250 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 204 transitions, 1268 flow [2024-11-10 17:55:22,904 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 204 transitions, 1152 flow, removed 25 selfloop flow, removed 5 redundant places. [2024-11-10 17:55:22,906 INFO L231 Difference]: Finished difference. Result has 80 places, 64 transitions, 303 flow [2024-11-10 17:55:22,906 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=55, PETRI_DIFFERENCE_MINUEND_FLOW=212, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=56, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=303, PETRI_PLACES=80, PETRI_TRANSITIONS=64} [2024-11-10 17:55:22,907 INFO L277 CegarLoopForPetriNet]: 62 programPoint places, 18 predicate places. [2024-11-10 17:55:22,907 INFO L471 AbstractCegarLoop]: Abstraction has has 80 places, 64 transitions, 303 flow [2024-11-10 17:55:22,907 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 6 states have internal predecessors, (95), 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) [2024-11-10 17:55:22,908 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 17:55:22,908 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] [2024-11-10 17:55:22,908 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-10 17:55:22,908 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-10 17:55:22,908 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 17:55:22,909 INFO L85 PathProgramCache]: Analyzing trace with hash 1810874992, now seen corresponding path program 2 times [2024-11-10 17:55:22,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 17:55:22,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979369829] [2024-11-10 17:55:22,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 17:55:22,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 17:55:22,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 17:55:23,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 17:55:23,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 17:55:23,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [979369829] [2024-11-10 17:55:23,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [979369829] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 17:55:23,223 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 17:55:23,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-10 17:55:23,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632192095] [2024-11-10 17:55:23,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 17:55:23,224 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 17:55:23,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 17:55:23,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 17:55:23,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-10 17:55:23,227 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 55 [2024-11-10 17:55:23,227 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 64 transitions, 303 flow. Second operand has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 7 states have internal predecessors, (106), 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) [2024-11-10 17:55:23,228 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 17:55:23,228 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 55 [2024-11-10 17:55:23,228 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand