./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/pthread-wmm/mix018_tso.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 3289d67d 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/mix018_tso.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 3bc57c42fd552df471a50a3f823d776d12ae5a02a1da1686aaab749af4f270bf --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 03:11:46,357 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 03:11:46,425 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-11-17 03:11:46,431 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 03:11:46,432 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 03:11:46,476 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 03:11:46,477 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 03:11:46,477 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 03:11:46,478 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 03:11:46,480 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 03:11:46,480 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 03:11:46,480 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 03:11:46,481 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 03:11:46,481 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 03:11:46,483 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 03:11:46,483 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 03:11:46,483 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 03:11:46,484 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 03:11:46,484 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 03:11:46,484 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 03:11:46,484 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-17 03:11:46,488 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-17 03:11:46,489 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-17 03:11:46,489 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 03:11:46,489 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-17 03:11:46,489 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 03:11:46,489 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 03:11:46,490 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 03:11:46,490 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 03:11:46,490 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 03:11:46,490 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 03:11:46,490 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 03:11:46,491 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 03:11:46,491 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 03:11:46,491 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 03:11:46,491 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 03:11:46,491 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 03:11:46,492 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-17 03:11:46,492 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 03:11:46,493 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 03:11:46,494 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 03:11:46,494 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 03:11:46,494 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3bc57c42fd552df471a50a3f823d776d12ae5a02a1da1686aaab749af4f270bf [2024-11-17 03:11:46,738 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 03:11:46,762 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 03:11:46,766 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 03:11:46,767 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 03:11:46,768 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 03:11:46,769 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix018_tso.oepc.i [2024-11-17 03:11:48,252 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 03:11:48,490 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 03:11:48,491 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix018_tso.oepc.i [2024-11-17 03:11:48,507 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eee5ff676/34548dda44e14852938449b18ed4412e/FLAG55bce3871 [2024-11-17 03:11:48,525 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eee5ff676/34548dda44e14852938449b18ed4412e [2024-11-17 03:11:48,527 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 03:11:48,528 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 03:11:48,529 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 03:11:48,530 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 03:11:48,537 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 03:11:48,538 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 03:11:48" (1/1) ... [2024-11-17 03:11:48,539 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2971dda1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:11:48, skipping insertion in model container [2024-11-17 03:11:48,539 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 03:11:48" (1/1) ... [2024-11-17 03:11:48,588 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 03:11:48,980 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 03:11:49,002 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 03:11:49,064 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 03:11:49,107 INFO L204 MainTranslator]: Completed translation [2024-11-17 03:11:49,107 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:11:49 WrapperNode [2024-11-17 03:11:49,107 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 03:11:49,109 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 03:11:49,109 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 03:11:49,109 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 03:11:49,116 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:11:49" (1/1) ... [2024-11-17 03:11:49,136 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:11:49" (1/1) ... [2024-11-17 03:11:49,170 INFO L138 Inliner]: procedures = 176, calls = 54, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 151 [2024-11-17 03:11:49,172 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 03:11:49,173 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 03:11:49,173 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 03:11:49,173 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 03:11:49,184 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:11:49" (1/1) ... [2024-11-17 03:11:49,188 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:11:49" (1/1) ... [2024-11-17 03:11:49,192 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:11:49" (1/1) ... [2024-11-17 03:11:49,218 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]. [2024-11-17 03:11:49,218 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:11:49" (1/1) ... [2024-11-17 03:11:49,218 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:11:49" (1/1) ... [2024-11-17 03:11:49,228 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:11:49" (1/1) ... [2024-11-17 03:11:49,229 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:11:49" (1/1) ... [2024-11-17 03:11:49,234 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:11:49" (1/1) ... [2024-11-17 03:11:49,235 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:11:49" (1/1) ... [2024-11-17 03:11:49,239 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 03:11:49,240 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 03:11:49,240 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 03:11:49,240 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 03:11:49,241 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:11:49" (1/1) ... [2024-11-17 03:11:49,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 03:11:49,266 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:11:49,285 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) [2024-11-17 03:11:49,289 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 [2024-11-17 03:11:49,342 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-17 03:11:49,342 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 03:11:49,342 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-17 03:11:49,342 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-17 03:11:49,343 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-17 03:11:49,343 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-17 03:11:49,343 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-17 03:11:49,343 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-17 03:11:49,344 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-11-17 03:11:49,344 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-11-17 03:11:49,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-17 03:11:49,346 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-17 03:11:49,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 03:11:49,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 03:11:49,347 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-17 03:11:49,507 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 03:11:49,509 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 03:11:49,887 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-17 03:11:49,888 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 03:11:50,159 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 03:11:50,160 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 03:11:50,161 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 03:11:50 BoogieIcfgContainer [2024-11-17 03:11:50,161 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 03:11:50,164 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 03:11:50,165 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 03:11:50,168 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 03:11:50,168 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 03:11:48" (1/3) ... [2024-11-17 03:11:50,170 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ef6f8fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 03:11:50, skipping insertion in model container [2024-11-17 03:11:50,170 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:11:49" (2/3) ... [2024-11-17 03:11:50,170 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ef6f8fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 03:11:50, skipping insertion in model container [2024-11-17 03:11:50,170 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 03:11:50" (3/3) ... [2024-11-17 03:11:50,172 INFO L112 eAbstractionObserver]: Analyzing ICFG mix018_tso.oepc.i [2024-11-17 03:11:50,189 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 03:11:50,189 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-11-17 03:11:50,190 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-17 03:11:50,255 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-17 03:11:50,292 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 65 places, 54 transitions, 124 flow [2024-11-17 03:11:50,331 INFO L124 PetriNetUnfolderBase]: 2/50 cut-off events. [2024-11-17 03:11:50,331 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-17 03:11:50,337 INFO L83 FinitePrefix]: Finished finitePrefix Result has 63 conditions, 50 events. 2/50 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 99 event pairs, 0 based on Foata normal form. 0/45 useless extension candidates. Maximal degree in co-relation 54. Up to 2 conditions per place. [2024-11-17 03:11:50,338 INFO L82 GeneralOperation]: Start removeDead. Operand has 65 places, 54 transitions, 124 flow [2024-11-17 03:11:50,345 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 61 places, 50 transitions, 112 flow [2024-11-17 03:11:50,358 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-17 03:11:50,365 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;@4c0f8fc4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 03:11:50,365 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-17 03:11:50,373 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-17 03:11:50,373 INFO L124 PetriNetUnfolderBase]: 0/10 cut-off events. [2024-11-17 03:11:50,373 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-17 03:11:50,374 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-17 03:11:50,374 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-17 03:11:50,376 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P1Err0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-17 03:11:50,382 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:11:50,382 INFO L85 PathProgramCache]: Analyzing trace with hash 523050374, now seen corresponding path program 1 times [2024-11-17 03:11:50,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:11:50,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323334296] [2024-11-17 03:11:50,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:11:50,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:11:50,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:11:50,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:11:50,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:11:50,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [323334296] [2024-11-17 03:11:50,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [323334296] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:11:50,837 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:11:50,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-17 03:11:50,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238911599] [2024-11-17 03:11:50,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:11:50,847 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 03:11:50,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:11:50,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 03:11:50,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 03:11:50,881 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 54 [2024-11-17 03:11:50,883 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 50 transitions, 112 flow. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 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) [2024-11-17 03:11:50,883 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-17 03:11:50,883 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 54 [2024-11-17 03:11:50,884 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-17 03:11:57,508 INFO L124 PetriNetUnfolderBase]: 50459/66907 cut-off events. [2024-11-17 03:11:57,509 INFO L125 PetriNetUnfolderBase]: For 243/243 co-relation queries the response was YES. [2024-11-17 03:11:57,673 INFO L83 FinitePrefix]: Finished finitePrefix Result has 133527 conditions, 66907 events. 50459/66907 cut-off events. For 243/243 co-relation queries the response was YES. Maximal size of possible extension queue 1937. Compared 406645 event pairs, 6249 based on Foata normal form. 2988/69837 useless extension candidates. Maximal degree in co-relation 133515. Up to 57231 conditions per place. [2024-11-17 03:11:57,978 INFO L140 encePairwiseOnDemand]: 49/54 looper letters, 63 selfloop transitions, 2 changer transitions 2/75 dead transitions. [2024-11-17 03:11:57,978 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 75 transitions, 302 flow [2024-11-17 03:11:57,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 03:11:57,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-17 03:11:57,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 108 transitions. [2024-11-17 03:11:57,991 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6666666666666666 [2024-11-17 03:11:57,993 INFO L175 Difference]: Start difference. First operand has 61 places, 50 transitions, 112 flow. Second operand 3 states and 108 transitions. [2024-11-17 03:11:57,994 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 75 transitions, 302 flow [2024-11-17 03:11:58,001 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 75 transitions, 296 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-17 03:11:58,006 INFO L231 Difference]: Finished difference. Result has 57 places, 45 transitions, 102 flow [2024-11-17 03:11:58,009 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=100, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=102, PETRI_PLACES=57, PETRI_TRANSITIONS=45} [2024-11-17 03:11:58,013 INFO L277 CegarLoopForPetriNet]: 61 programPoint places, -4 predicate places. [2024-11-17 03:11:58,014 INFO L471 AbstractCegarLoop]: Abstraction has has 57 places, 45 transitions, 102 flow [2024-11-17 03:11:58,014 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 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) [2024-11-17 03:11:58,014 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-17 03:11:58,015 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:11:58,015 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-17 03:11:58,016 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-17 03:11:58,017 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:11:58,017 INFO L85 PathProgramCache]: Analyzing trace with hash 1521009259, now seen corresponding path program 1 times [2024-11-17 03:11:58,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:11:58,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389178356] [2024-11-17 03:11:58,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:11:58,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:11:58,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:11:58,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:11:58,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:11:58,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389178356] [2024-11-17 03:11:58,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1389178356] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:11:58,166 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:11:58,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-17 03:11:58,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004424806] [2024-11-17 03:11:58,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:11:58,168 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 03:11:58,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:11:58,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 03:11:58,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 03:11:58,170 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 54 [2024-11-17 03:11:58,171 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 45 transitions, 102 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) [2024-11-17 03:11:58,171 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-17 03:11:58,171 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 54 [2024-11-17 03:11:58,171 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-17 03:12:03,098 INFO L124 PetriNetUnfolderBase]: 45383/63227 cut-off events. [2024-11-17 03:12:03,099 INFO L125 PetriNetUnfolderBase]: For 2352/2352 co-relation queries the response was YES. [2024-11-17 03:12:03,246 INFO L83 FinitePrefix]: Finished finitePrefix Result has 125609 conditions, 63227 events. 45383/63227 cut-off events. For 2352/2352 co-relation queries the response was YES. Maximal size of possible extension queue 1946. Compared 409056 event pairs, 45383 based on Foata normal form. 1512/64452 useless extension candidates. Maximal degree in co-relation 125599. Up to 59508 conditions per place. [2024-11-17 03:12:03,465 INFO L140 encePairwiseOnDemand]: 52/54 looper letters, 35 selfloop transitions, 1 changer transitions 1/44 dead transitions. [2024-11-17 03:12:03,466 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 44 transitions, 174 flow [2024-11-17 03:12:03,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 03:12:03,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-17 03:12:03,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 71 transitions. [2024-11-17 03:12:03,469 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4382716049382716 [2024-11-17 03:12:03,469 INFO L175 Difference]: Start difference. First operand has 57 places, 45 transitions, 102 flow. Second operand 3 states and 71 transitions. [2024-11-17 03:12:03,469 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 44 transitions, 174 flow [2024-11-17 03:12:03,474 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 44 transitions, 170 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-17 03:12:03,475 INFO L231 Difference]: Finished difference. Result has 55 places, 43 transitions, 96 flow [2024-11-17 03:12:03,476 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=96, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=96, PETRI_PLACES=55, PETRI_TRANSITIONS=43} [2024-11-17 03:12:03,476 INFO L277 CegarLoopForPetriNet]: 61 programPoint places, -6 predicate places. [2024-11-17 03:12:03,477 INFO L471 AbstractCegarLoop]: Abstraction has has 55 places, 43 transitions, 96 flow [2024-11-17 03:12:03,477 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) [2024-11-17 03:12:03,477 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-17 03:12:03,478 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:12:03,478 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-17 03:12:03,478 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-17 03:12:03,478 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:12:03,478 INFO L85 PathProgramCache]: Analyzing trace with hash 1521009851, now seen corresponding path program 1 times [2024-11-17 03:12:03,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:12:03,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291472404] [2024-11-17 03:12:03,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:12:03,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:12:03,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:12:03,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:12:03,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:12:03,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291472404] [2024-11-17 03:12:03,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1291472404] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:12:03,802 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:12:03,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 03:12:03,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042307150] [2024-11-17 03:12:03,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:12:03,803 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 03:12:03,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:12:03,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 03:12:03,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 03:12:03,807 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 54 [2024-11-17 03:12:03,808 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 43 transitions, 96 flow. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 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) [2024-11-17 03:12:03,808 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-17 03:12:03,808 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 54 [2024-11-17 03:12:03,808 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-17 03:12:07,465 INFO L124 PetriNetUnfolderBase]: 36511/52327 cut-off events. [2024-11-17 03:12:07,466 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-17 03:12:07,584 INFO L83 FinitePrefix]: Finished finitePrefix Result has 101565 conditions, 52327 events. 36511/52327 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 1673. Compared 354385 event pairs, 4407 based on Foata normal form. 1512/53792 useless extension candidates. Maximal degree in co-relation 101559. Up to 29929 conditions per place. [2024-11-17 03:12:07,770 INFO L140 encePairwiseOnDemand]: 47/54 looper letters, 75 selfloop transitions, 6 changer transitions 1/89 dead transitions. [2024-11-17 03:12:07,770 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 89 transitions, 358 flow [2024-11-17 03:12:07,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 03:12:07,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-17 03:12:07,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 132 transitions. [2024-11-17 03:12:07,772 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6111111111111112 [2024-11-17 03:12:07,772 INFO L175 Difference]: Start difference. First operand has 55 places, 43 transitions, 96 flow. Second operand 4 states and 132 transitions. [2024-11-17 03:12:07,773 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 89 transitions, 358 flow [2024-11-17 03:12:07,773 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 89 transitions, 357 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-17 03:12:07,775 INFO L231 Difference]: Finished difference. Result has 58 places, 47 transitions, 137 flow [2024-11-17 03:12:07,776 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=95, PETRI_DIFFERENCE_MINUEND_PLACES=53, 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=137, PETRI_PLACES=58, PETRI_TRANSITIONS=47} [2024-11-17 03:12:07,777 INFO L277 CegarLoopForPetriNet]: 61 programPoint places, -3 predicate places. [2024-11-17 03:12:07,777 INFO L471 AbstractCegarLoop]: Abstraction has has 58 places, 47 transitions, 137 flow [2024-11-17 03:12:07,777 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 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) [2024-11-17 03:12:07,777 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-17 03:12:07,778 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] [2024-11-17 03:12:07,778 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-17 03:12:07,778 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-17 03:12:07,778 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:12:07,779 INFO L85 PathProgramCache]: Analyzing trace with hash 842868227, now seen corresponding path program 1 times [2024-11-17 03:12:07,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:12:07,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230354058] [2024-11-17 03:12:07,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:12:07,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:12:07,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:12:08,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:12:08,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:12:08,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230354058] [2024-11-17 03:12:08,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [230354058] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:12:08,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:12:08,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 03:12:08,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864322719] [2024-11-17 03:12:08,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:12:08,101 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 03:12:08,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:12:08,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 03:12:08,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-17 03:12:08,105 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 54 [2024-11-17 03:12:08,105 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 47 transitions, 137 flow. Second operand has 5 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 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) [2024-11-17 03:12:08,105 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-17 03:12:08,106 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 54 [2024-11-17 03:12:08,106 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-17 03:12:10,636 INFO L124 PetriNetUnfolderBase]: 23071/33095 cut-off events. [2024-11-17 03:12:10,636 INFO L125 PetriNetUnfolderBase]: For 6336/6336 co-relation queries the response was YES. [2024-11-17 03:12:10,722 INFO L83 FinitePrefix]: Finished finitePrefix Result has 73472 conditions, 33095 events. 23071/33095 cut-off events. For 6336/6336 co-relation queries the response was YES. Maximal size of possible extension queue 864. Compared 207034 event pairs, 2563 based on Foata normal form. 1192/34240 useless extension candidates. Maximal degree in co-relation 73463. Up to 13513 conditions per place. [2024-11-17 03:12:10,816 INFO L140 encePairwiseOnDemand]: 47/54 looper letters, 97 selfloop transitions, 10 changer transitions 1/115 dead transitions. [2024-11-17 03:12:10,816 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 115 transitions, 518 flow [2024-11-17 03:12:10,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 03:12:10,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-17 03:12:10,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 170 transitions. [2024-11-17 03:12:10,818 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6296296296296297 [2024-11-17 03:12:10,818 INFO L175 Difference]: Start difference. First operand has 58 places, 47 transitions, 137 flow. Second operand 5 states and 170 transitions. [2024-11-17 03:12:10,818 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 115 transitions, 518 flow [2024-11-17 03:12:10,827 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 115 transitions, 507 flow, removed 1 selfloop flow, removed 2 redundant places. [2024-11-17 03:12:10,829 INFO L231 Difference]: Finished difference. Result has 62 places, 51 transitions, 189 flow [2024-11-17 03:12:10,829 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=128, PETRI_DIFFERENCE_MINUEND_PLACES=56, 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=189, PETRI_PLACES=62, PETRI_TRANSITIONS=51} [2024-11-17 03:12:10,830 INFO L277 CegarLoopForPetriNet]: 61 programPoint places, 1 predicate places. [2024-11-17 03:12:10,830 INFO L471 AbstractCegarLoop]: Abstraction has has 62 places, 51 transitions, 189 flow [2024-11-17 03:12:10,830 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 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) [2024-11-17 03:12:10,831 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-17 03:12:10,831 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] [2024-11-17 03:12:10,831 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-17 03:12:10,831 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-17 03:12:10,832 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:12:10,832 INFO L85 PathProgramCache]: Analyzing trace with hash 550291369, now seen corresponding path program 1 times [2024-11-17 03:12:10,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:12:10,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817719071] [2024-11-17 03:12:10,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:12:10,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:12:10,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:12:11,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:12:11,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:12:11,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817719071] [2024-11-17 03:12:11,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [817719071] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:12:11,229 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:12:11,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-17 03:12:11,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684276161] [2024-11-17 03:12:11,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:12:11,231 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 03:12:11,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:12:11,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 03:12:11,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-17 03:12:11,232 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 54 [2024-11-17 03:12:11,232 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 51 transitions, 189 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) [2024-11-17 03:12:11,233 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-17 03:12:11,233 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 54 [2024-11-17 03:12:11,233 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-17 03:12:13,108 INFO L124 PetriNetUnfolderBase]: 13599/19127 cut-off events. [2024-11-17 03:12:13,109 INFO L125 PetriNetUnfolderBase]: For 11710/11710 co-relation queries the response was YES. [2024-11-17 03:12:13,144 INFO L83 FinitePrefix]: Finished finitePrefix Result has 46832 conditions, 19127 events. 13599/19127 cut-off events. For 11710/11710 co-relation queries the response was YES. Maximal size of possible extension queue 493. Compared 105018 event pairs, 2215 based on Foata normal form. 584/19664 useless extension candidates. Maximal degree in co-relation 46821. Up to 5388 conditions per place. [2024-11-17 03:12:13,189 INFO L140 encePairwiseOnDemand]: 47/54 looper letters, 117 selfloop transitions, 14 changer transitions 1/139 dead transitions. [2024-11-17 03:12:13,190 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 139 transitions, 677 flow [2024-11-17 03:12:13,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 03:12:13,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-17 03:12:13,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 206 transitions. [2024-11-17 03:12:13,191 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6358024691358025 [2024-11-17 03:12:13,191 INFO L175 Difference]: Start difference. First operand has 62 places, 51 transitions, 189 flow. Second operand 6 states and 206 transitions. [2024-11-17 03:12:13,192 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 139 transitions, 677 flow [2024-11-17 03:12:13,325 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 139 transitions, 647 flow, removed 5 selfloop flow, removed 4 redundant places. [2024-11-17 03:12:13,327 INFO L231 Difference]: Finished difference. Result has 65 places, 55 transitions, 239 flow [2024-11-17 03:12:13,327 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=162, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=239, PETRI_PLACES=65, PETRI_TRANSITIONS=55} [2024-11-17 03:12:13,328 INFO L277 CegarLoopForPetriNet]: 61 programPoint places, 4 predicate places. [2024-11-17 03:12:13,328 INFO L471 AbstractCegarLoop]: Abstraction has has 65 places, 55 transitions, 239 flow [2024-11-17 03:12:13,329 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) [2024-11-17 03:12:13,329 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-17 03:12:13,329 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] [2024-11-17 03:12:13,329 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-17 03:12:13,329 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-17 03:12:13,330 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:12:13,330 INFO L85 PathProgramCache]: Analyzing trace with hash 1091398358, now seen corresponding path program 1 times [2024-11-17 03:12:13,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:12:13,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081534367] [2024-11-17 03:12:13,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:12:13,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:12:13,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:12:13,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:12:13,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:12:13,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081534367] [2024-11-17 03:12:13,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2081534367] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:12:13,702 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:12:13,702 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-17 03:12:13,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697322942] [2024-11-17 03:12:13,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:12:13,703 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 03:12:13,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:12:13,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 03:12:13,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-17 03:12:13,704 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 54 [2024-11-17 03:12:13,704 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 55 transitions, 239 flow. Second operand has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 7 states have internal predecessors, (111), 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) [2024-11-17 03:12:13,704 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-17 03:12:13,705 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 54 [2024-11-17 03:12:13,705 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-17 03:12:14,792 INFO L124 PetriNetUnfolderBase]: 10399/14271 cut-off events. [2024-11-17 03:12:14,793 INFO L125 PetriNetUnfolderBase]: For 11302/11302 co-relation queries the response was YES. [2024-11-17 03:12:14,827 INFO L83 FinitePrefix]: Finished finitePrefix Result has 36441 conditions, 14271 events. 10399/14271 cut-off events. For 11302/11302 co-relation queries the response was YES. Maximal size of possible extension queue 466. Compared 73861 event pairs, 2043 based on Foata normal form. 152/14376 useless extension candidates. Maximal degree in co-relation 36429. Up to 5376 conditions per place. [2024-11-17 03:12:14,867 INFO L140 encePairwiseOnDemand]: 47/54 looper letters, 101 selfloop transitions, 18 changer transitions 1/127 dead transitions. [2024-11-17 03:12:14,867 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 127 transitions, 639 flow [2024-11-17 03:12:14,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 03:12:14,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-17 03:12:14,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 206 transitions. [2024-11-17 03:12:14,869 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.544973544973545 [2024-11-17 03:12:14,869 INFO L175 Difference]: Start difference. First operand has 65 places, 55 transitions, 239 flow. Second operand 7 states and 206 transitions. [2024-11-17 03:12:14,869 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 127 transitions, 639 flow [2024-11-17 03:12:15,031 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 127 transitions, 593 flow, removed 9 selfloop flow, removed 5 redundant places. [2024-11-17 03:12:15,032 INFO L231 Difference]: Finished difference. Result has 68 places, 55 transitions, 249 flow [2024-11-17 03:12:15,033 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=196, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=249, PETRI_PLACES=68, PETRI_TRANSITIONS=55} [2024-11-17 03:12:15,033 INFO L277 CegarLoopForPetriNet]: 61 programPoint places, 7 predicate places. [2024-11-17 03:12:15,034 INFO L471 AbstractCegarLoop]: Abstraction has has 68 places, 55 transitions, 249 flow [2024-11-17 03:12:15,034 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 7 states have internal predecessors, (111), 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) [2024-11-17 03:12:15,034 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-17 03:12:15,034 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:12:15,034 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-17 03:12:15,034 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-17 03:12:15,035 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:12:15,035 INFO L85 PathProgramCache]: Analyzing trace with hash 2698799, now seen corresponding path program 1 times [2024-11-17 03:12:15,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:12:15,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096646752] [2024-11-17 03:12:15,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:12:15,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:12:15,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:12:15,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:12:15,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:12:15,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096646752] [2024-11-17 03:12:15,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2096646752] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:12:15,538 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:12:15,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-17 03:12:15,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032596005] [2024-11-17 03:12:15,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:12:15,538 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 03:12:15,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:12:15,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 03:12:15,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-17 03:12:15,546 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 54 [2024-11-17 03:12:15,547 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 55 transitions, 249 flow. Second operand has 6 states, 6 states have (on average 17.333333333333332) internal successors, (104), 6 states have internal predecessors, (104), 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) [2024-11-17 03:12:15,548 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-17 03:12:15,548 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 54 [2024-11-17 03:12:15,548 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-17 03:12:16,920 INFO L124 PetriNetUnfolderBase]: 14115/19346 cut-off events. [2024-11-17 03:12:16,921 INFO L125 PetriNetUnfolderBase]: For 15090/15090 co-relation queries the response was YES. [2024-11-17 03:12:17,004 INFO L83 FinitePrefix]: Finished finitePrefix Result has 49569 conditions, 19346 events. 14115/19346 cut-off events. For 15090/15090 co-relation queries the response was YES. Maximal size of possible extension queue 658. Compared 105123 event pairs, 1955 based on Foata normal form. 16/19350 useless extension candidates. Maximal degree in co-relation 49556. Up to 11578 conditions per place. [2024-11-17 03:12:17,049 INFO L140 encePairwiseOnDemand]: 49/54 looper letters, 67 selfloop transitions, 1 changer transitions 52/127 dead transitions. [2024-11-17 03:12:17,049 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 127 transitions, 819 flow [2024-11-17 03:12:17,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 03:12:17,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-17 03:12:17,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 163 transitions. [2024-11-17 03:12:17,051 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5030864197530864 [2024-11-17 03:12:17,051 INFO L175 Difference]: Start difference. First operand has 68 places, 55 transitions, 249 flow. Second operand 6 states and 163 transitions. [2024-11-17 03:12:17,051 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 127 transitions, 819 flow [2024-11-17 03:12:17,311 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 127 transitions, 594 flow, removed 34 selfloop flow, removed 10 redundant places. [2024-11-17 03:12:17,313 INFO L231 Difference]: Finished difference. Result has 67 places, 55 transitions, 164 flow [2024-11-17 03:12:17,314 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=153, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=54, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=164, PETRI_PLACES=67, PETRI_TRANSITIONS=55} [2024-11-17 03:12:17,315 INFO L277 CegarLoopForPetriNet]: 61 programPoint places, 6 predicate places. [2024-11-17 03:12:17,315 INFO L471 AbstractCegarLoop]: Abstraction has has 67 places, 55 transitions, 164 flow [2024-11-17 03:12:17,315 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.333333333333332) internal successors, (104), 6 states have internal predecessors, (104), 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) [2024-11-17 03:12:17,315 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-17 03:12:17,315 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:12:17,316 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-17 03:12:17,316 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-17 03:12:17,316 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:12:17,316 INFO L85 PathProgramCache]: Analyzing trace with hash 678465099, now seen corresponding path program 2 times [2024-11-17 03:12:17,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:12:17,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281152177] [2024-11-17 03:12:17,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:12:17,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:12:17,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:12:20,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:12:20,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:12:20,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281152177] [2024-11-17 03:12:20,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1281152177] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:12:20,085 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:12:20,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-17 03:12:20,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776320974] [2024-11-17 03:12:20,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:12:20,085 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-17 03:12:20,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:12:20,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-17 03:12:20,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-17 03:12:20,098 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 54 [2024-11-17 03:12:20,098 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 55 transitions, 164 flow. Second operand has 12 states, 12 states have (on average 14.666666666666666) internal successors, (176), 12 states have internal predecessors, (176), 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) [2024-11-17 03:12:20,099 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-17 03:12:20,099 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 54 [2024-11-17 03:12:20,099 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-17 03:12:21,962 INFO L124 PetriNetUnfolderBase]: 13395/18625 cut-off events. [2024-11-17 03:12:21,963 INFO L125 PetriNetUnfolderBase]: For 3610/3610 co-relation queries the response was YES. [2024-11-17 03:12:22,088 INFO L83 FinitePrefix]: Finished finitePrefix Result has 42024 conditions, 18625 events. 13395/18625 cut-off events. For 3610/3610 co-relation queries the response was YES. Maximal size of possible extension queue 628. Compared 103922 event pairs, 1221 based on Foata normal form. 16/18633 useless extension candidates. Maximal degree in co-relation 42013. Up to 7128 conditions per place. [2024-11-17 03:12:22,129 INFO L140 encePairwiseOnDemand]: 45/54 looper letters, 133 selfloop transitions, 10 changer transitions 31/181 dead transitions. [2024-11-17 03:12:22,129 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 181 transitions, 883 flow [2024-11-17 03:12:22,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-17 03:12:22,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-17 03:12:22,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 241 transitions. [2024-11-17 03:12:22,131 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.49588477366255146 [2024-11-17 03:12:22,131 INFO L175 Difference]: Start difference. First operand has 67 places, 55 transitions, 164 flow. Second operand 9 states and 241 transitions. [2024-11-17 03:12:22,131 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 181 transitions, 883 flow [2024-11-17 03:12:22,133 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 181 transitions, 870 flow, removed 5 selfloop flow, removed 4 redundant places. [2024-11-17 03:12:22,135 INFO L231 Difference]: Finished difference. Result has 72 places, 62 transitions, 214 flow [2024-11-17 03:12:22,136 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=157, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=214, PETRI_PLACES=72, PETRI_TRANSITIONS=62} [2024-11-17 03:12:22,136 INFO L277 CegarLoopForPetriNet]: 61 programPoint places, 11 predicate places. [2024-11-17 03:12:22,137 INFO L471 AbstractCegarLoop]: Abstraction has has 72 places, 62 transitions, 214 flow [2024-11-17 03:12:22,137 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 14.666666666666666) internal successors, (176), 12 states have internal predecessors, (176), 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) [2024-11-17 03:12:22,137 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-17 03:12:22,137 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:12:22,138 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-17 03:12:22,138 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-17 03:12:22,138 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:12:22,139 INFO L85 PathProgramCache]: Analyzing trace with hash 1841779613, now seen corresponding path program 3 times [2024-11-17 03:12:22,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:12:22,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689503839] [2024-11-17 03:12:22,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:12:22,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:12:22,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:12:23,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:12:23,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:12:23,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1689503839] [2024-11-17 03:12:23,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1689503839] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:12:23,796 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:12:23,796 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-17 03:12:23,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736372398] [2024-11-17 03:12:23,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:12:23,797 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-17 03:12:23,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:12:23,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-17 03:12:23,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2024-11-17 03:12:23,811 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 54 [2024-11-17 03:12:23,811 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 62 transitions, 214 flow. Second operand has 12 states, 12 states have (on average 14.666666666666666) internal successors, (176), 12 states have internal predecessors, (176), 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) [2024-11-17 03:12:23,811 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-17 03:12:23,812 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 54 [2024-11-17 03:12:23,812 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand