./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/pthread-wmm/rfi000_tso.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/rfi000_tso.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 5128c539cd3051e20c09e1924eb0951d5be697be251e10d3c281464ed4c436cd --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 03:17:18,832 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 03:17:18,929 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-11-17 03:17:18,935 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 03:17:18,936 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 03:17:18,974 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 03:17:18,974 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 03:17:18,975 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 03:17:18,976 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 03:17:18,977 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 03:17:18,978 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 03:17:18,978 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 03:17:18,979 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 03:17:18,979 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 03:17:18,979 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 03:17:18,980 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 03:17:18,980 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 03:17:18,980 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 03:17:18,981 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 03:17:18,981 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 03:17:18,981 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-17 03:17:18,982 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-17 03:17:18,982 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-17 03:17:18,982 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 03:17:18,983 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-17 03:17:18,983 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 03:17:18,983 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 03:17:18,984 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 03:17:18,984 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 03:17:18,985 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 03:17:18,985 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 03:17:18,985 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 03:17:18,986 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 03:17:18,986 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 03:17:18,986 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 03:17:18,987 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 03:17:18,987 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 03:17:18,987 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-17 03:17:18,988 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 03:17:18,989 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 03:17:18,989 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 03:17:18,990 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 03:17:18,990 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5128c539cd3051e20c09e1924eb0951d5be697be251e10d3c281464ed4c436cd [2024-11-17 03:17:19,267 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 03:17:19,294 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 03:17:19,298 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 03:17:19,299 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 03:17:19,300 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 03:17:19,301 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/rfi000_tso.i [2024-11-17 03:17:20,755 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 03:17:21,021 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 03:17:21,022 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/rfi000_tso.i [2024-11-17 03:17:21,045 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2640fd2f2/9808aa9f412f4a178fa51089468164b8/FLAGf0f27d723 [2024-11-17 03:17:21,059 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2640fd2f2/9808aa9f412f4a178fa51089468164b8 [2024-11-17 03:17:21,061 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 03:17:21,062 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 03:17:21,064 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 03:17:21,064 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 03:17:21,069 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 03:17:21,070 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 03:17:21" (1/1) ... [2024-11-17 03:17:21,070 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f3a8a49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:17:21, skipping insertion in model container [2024-11-17 03:17:21,070 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 03:17:21" (1/1) ... [2024-11-17 03:17:21,118 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 03:17:21,582 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 03:17:21,595 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 03:17:21,658 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 03:17:21,704 INFO L204 MainTranslator]: Completed translation [2024-11-17 03:17:21,705 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:17:21 WrapperNode [2024-11-17 03:17:21,705 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 03:17:21,706 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 03:17:21,707 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 03:17:21,707 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 03:17:21,714 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:17:21" (1/1) ... [2024-11-17 03:17:21,737 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:17:21" (1/1) ... [2024-11-17 03:17:21,786 INFO L138 Inliner]: procedures = 174, calls = 38, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 171 [2024-11-17 03:17:21,789 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 03:17:21,789 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 03:17:21,790 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 03:17:21,790 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 03:17:21,802 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:17:21" (1/1) ... [2024-11-17 03:17:21,803 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:17:21" (1/1) ... [2024-11-17 03:17:21,808 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:17:21" (1/1) ... [2024-11-17 03:17:21,845 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 03:17:21,846 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:17:21" (1/1) ... [2024-11-17 03:17:21,846 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:17:21" (1/1) ... [2024-11-17 03:17:21,860 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:17:21" (1/1) ... [2024-11-17 03:17:21,861 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:17:21" (1/1) ... [2024-11-17 03:17:21,863 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:17:21" (1/1) ... [2024-11-17 03:17:21,864 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:17:21" (1/1) ... [2024-11-17 03:17:21,868 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 03:17:21,869 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 03:17:21,869 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 03:17:21,869 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 03:17:21,870 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:17:21" (1/1) ... [2024-11-17 03:17:21,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 03:17:21,896 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:17:21,926 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 03:17:21,929 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 03:17:21,979 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-17 03:17:21,980 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 03:17:21,980 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-17 03:17:21,980 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-17 03:17:21,980 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-17 03:17:21,980 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-17 03:17:21,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-17 03:17:21,981 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-17 03:17:21,981 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 03:17:21,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 03:17:21,982 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 03:17:22,148 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 03:17:22,151 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 03:17:22,577 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-17 03:17:22,577 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 03:17:22,833 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 03:17:22,833 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 03:17:22,834 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 03:17:22 BoogieIcfgContainer [2024-11-17 03:17:22,834 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 03:17:22,837 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 03:17:22,837 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 03:17:22,842 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 03:17:22,842 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 03:17:21" (1/3) ... [2024-11-17 03:17:22,843 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58dd5b34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 03:17:22, skipping insertion in model container [2024-11-17 03:17:22,843 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:17:21" (2/3) ... [2024-11-17 03:17:22,845 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58dd5b34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 03:17:22, skipping insertion in model container [2024-11-17 03:17:22,845 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 03:17:22" (3/3) ... [2024-11-17 03:17:22,846 INFO L112 eAbstractionObserver]: Analyzing ICFG rfi000_tso.i [2024-11-17 03:17:22,867 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 03:17:22,867 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-11-17 03:17:22,867 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-17 03:17:22,930 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-17 03:17:22,967 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 42 places, 37 transitions, 82 flow [2024-11-17 03:17:22,998 INFO L124 PetriNetUnfolderBase]: 2/35 cut-off events. [2024-11-17 03:17:22,999 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-17 03:17:23,002 INFO L83 FinitePrefix]: Finished finitePrefix Result has 42 conditions, 35 events. 2/35 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 63 event pairs, 0 based on Foata normal form. 0/30 useless extension candidates. Maximal degree in co-relation 35. Up to 2 conditions per place. [2024-11-17 03:17:23,004 INFO L82 GeneralOperation]: Start removeDead. Operand has 42 places, 37 transitions, 82 flow [2024-11-17 03:17:23,007 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 40 places, 35 transitions, 76 flow [2024-11-17 03:17:23,023 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-17 03:17:23,033 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;@3df612af, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 03:17:23,034 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-17 03:17:23,044 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-17 03:17:23,045 INFO L124 PetriNetUnfolderBase]: 0/13 cut-off events. [2024-11-17 03:17:23,045 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-17 03:17:23,045 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-17 03:17:23,046 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:17:23,047 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P1Err0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-17 03:17:23,052 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:17:23,053 INFO L85 PathProgramCache]: Analyzing trace with hash -713252906, now seen corresponding path program 1 times [2024-11-17 03:17:23,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:17:23,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534057748] [2024-11-17 03:17:23,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:17:23,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:17:23,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:17:23,623 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 03:17:23,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:17:23,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534057748] [2024-11-17 03:17:23,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1534057748] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:17:23,625 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:17:23,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-17 03:17:23,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623131827] [2024-11-17 03:17:23,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:17:23,634 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 03:17:23,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:17:23,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 03:17:23,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 03:17:23,662 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 37 [2024-11-17 03:17:23,664 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 35 transitions, 76 flow. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 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 03:17:23,664 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-17 03:17:23,665 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 37 [2024-11-17 03:17:23,666 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-17 03:17:24,099 INFO L124 PetriNetUnfolderBase]: 783/1327 cut-off events. [2024-11-17 03:17:24,100 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-17 03:17:24,105 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2621 conditions, 1327 events. 783/1327 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 6608 event pairs, 159 based on Foata normal form. 96/1420 useless extension candidates. Maximal degree in co-relation 2611. Up to 985 conditions per place. [2024-11-17 03:17:24,116 INFO L140 encePairwiseOnDemand]: 32/37 looper letters, 35 selfloop transitions, 2 changer transitions 2/45 dead transitions. [2024-11-17 03:17:24,116 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 45 transitions, 174 flow [2024-11-17 03:17:24,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 03:17:24,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-17 03:17:24,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 68 transitions. [2024-11-17 03:17:24,129 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6126126126126126 [2024-11-17 03:17:24,131 INFO L175 Difference]: Start difference. First operand has 40 places, 35 transitions, 76 flow. Second operand 3 states and 68 transitions. [2024-11-17 03:17:24,132 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 45 transitions, 174 flow [2024-11-17 03:17:24,135 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 45 transitions, 172 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-17 03:17:24,137 INFO L231 Difference]: Finished difference. Result has 38 places, 30 transitions, 68 flow [2024-11-17 03:17:24,139 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=66, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=68, PETRI_PLACES=38, PETRI_TRANSITIONS=30} [2024-11-17 03:17:24,145 INFO L277 CegarLoopForPetriNet]: 40 programPoint places, -2 predicate places. [2024-11-17 03:17:24,145 INFO L471 AbstractCegarLoop]: Abstraction has has 38 places, 30 transitions, 68 flow [2024-11-17 03:17:24,145 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 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 03:17:24,145 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-17 03:17:24,146 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:17:24,146 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-17 03:17:24,146 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-17 03:17:24,146 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:17:24,147 INFO L85 PathProgramCache]: Analyzing trace with hash 1878695136, now seen corresponding path program 1 times [2024-11-17 03:17:24,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:17:24,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312872212] [2024-11-17 03:17:24,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:17:24,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:17:24,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:17:24,235 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 03:17:24,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:17:24,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312872212] [2024-11-17 03:17:24,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [312872212] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:17:24,236 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:17:24,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-17 03:17:24,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887596008] [2024-11-17 03:17:24,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:17:24,238 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 03:17:24,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:17:24,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 03:17:24,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 03:17:24,240 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 37 [2024-11-17 03:17:24,240 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 30 transitions, 68 flow. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 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 03:17:24,241 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-17 03:17:24,241 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 37 [2024-11-17 03:17:24,241 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-17 03:17:24,480 INFO L124 PetriNetUnfolderBase]: 701/1251 cut-off events. [2024-11-17 03:17:24,481 INFO L125 PetriNetUnfolderBase]: For 52/52 co-relation queries the response was YES. [2024-11-17 03:17:24,483 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2469 conditions, 1251 events. 701/1251 cut-off events. For 52/52 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 6304 event pairs, 701 based on Foata normal form. 48/1290 useless extension candidates. Maximal degree in co-relation 2459. Up to 1146 conditions per place. [2024-11-17 03:17:24,488 INFO L140 encePairwiseOnDemand]: 35/37 looper letters, 22 selfloop transitions, 1 changer transitions 1/29 dead transitions. [2024-11-17 03:17:24,489 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 29 transitions, 114 flow [2024-11-17 03:17:24,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 03:17:24,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-17 03:17:24,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 46 transitions. [2024-11-17 03:17:24,490 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4144144144144144 [2024-11-17 03:17:24,491 INFO L175 Difference]: Start difference. First operand has 38 places, 30 transitions, 68 flow. Second operand 3 states and 46 transitions. [2024-11-17 03:17:24,491 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 29 transitions, 114 flow [2024-11-17 03:17:24,491 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 29 transitions, 110 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-17 03:17:24,492 INFO L231 Difference]: Finished difference. Result has 36 places, 28 transitions, 62 flow [2024-11-17 03:17:24,493 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=62, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=62, PETRI_PLACES=36, PETRI_TRANSITIONS=28} [2024-11-17 03:17:24,493 INFO L277 CegarLoopForPetriNet]: 40 programPoint places, -4 predicate places. [2024-11-17 03:17:24,494 INFO L471 AbstractCegarLoop]: Abstraction has has 36 places, 28 transitions, 62 flow [2024-11-17 03:17:24,494 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 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 03:17:24,494 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-17 03:17:24,494 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:17:24,494 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-17 03:17:24,495 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-17 03:17:24,495 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:17:24,495 INFO L85 PathProgramCache]: Analyzing trace with hash 1878695670, now seen corresponding path program 1 times [2024-11-17 03:17:24,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:17:24,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371910378] [2024-11-17 03:17:24,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:17:24,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:17:24,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:17:24,821 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 03:17:24,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:17:24,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371910378] [2024-11-17 03:17:24,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [371910378] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:17:24,823 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:17:24,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 03:17:24,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182332378] [2024-11-17 03:17:24,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:17:24,825 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 03:17:24,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:17:24,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 03:17:24,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-17 03:17:24,827 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 37 [2024-11-17 03:17:24,828 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 28 transitions, 62 flow. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 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 03:17:24,828 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-17 03:17:24,828 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 37 [2024-11-17 03:17:24,828 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-17 03:17:25,311 INFO L124 PetriNetUnfolderBase]: 885/1561 cut-off events. [2024-11-17 03:17:25,311 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-17 03:17:25,313 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3045 conditions, 1561 events. 885/1561 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 7981 event pairs, 375 based on Foata normal form. 0/1513 useless extension candidates. Maximal degree in co-relation 3039. Up to 978 conditions per place. [2024-11-17 03:17:25,320 INFO L140 encePairwiseOnDemand]: 30/37 looper letters, 29 selfloop transitions, 3 changer transitions 48/84 dead transitions. [2024-11-17 03:17:25,321 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 84 transitions, 336 flow [2024-11-17 03:17:25,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-17 03:17:25,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-17 03:17:25,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 138 transitions. [2024-11-17 03:17:25,325 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.46621621621621623 [2024-11-17 03:17:25,325 INFO L175 Difference]: Start difference. First operand has 36 places, 28 transitions, 62 flow. Second operand 8 states and 138 transitions. [2024-11-17 03:17:25,326 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 84 transitions, 336 flow [2024-11-17 03:17:25,326 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 84 transitions, 335 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-17 03:17:25,328 INFO L231 Difference]: Finished difference. Result has 46 places, 29 transitions, 94 flow [2024-11-17 03:17:25,329 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=61, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=94, PETRI_PLACES=46, PETRI_TRANSITIONS=29} [2024-11-17 03:17:25,330 INFO L277 CegarLoopForPetriNet]: 40 programPoint places, 6 predicate places. [2024-11-17 03:17:25,330 INFO L471 AbstractCegarLoop]: Abstraction has has 46 places, 29 transitions, 94 flow [2024-11-17 03:17:25,331 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 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 03:17:25,331 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-17 03:17:25,331 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:17:25,331 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-17 03:17:25,332 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-17 03:17:25,332 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:17:25,332 INFO L85 PathProgramCache]: Analyzing trace with hash -584360491, now seen corresponding path program 1 times [2024-11-17 03:17:25,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:17:25,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910765425] [2024-11-17 03:17:25,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:17:25,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:17:25,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:17:26,171 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 03:17:26,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:17:26,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910765425] [2024-11-17 03:17:26,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1910765425] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:17:26,172 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:17:26,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-17 03:17:26,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995129010] [2024-11-17 03:17:26,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:17:26,173 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 03:17:26,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:17:26,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 03:17:26,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-17 03:17:26,177 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 37 [2024-11-17 03:17:26,177 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 29 transitions, 94 flow. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 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 03:17:26,177 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-17 03:17:26,177 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 37 [2024-11-17 03:17:26,177 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-17 03:17:26,913 INFO L124 PetriNetUnfolderBase]: 726/1274 cut-off events. [2024-11-17 03:17:26,914 INFO L125 PetriNetUnfolderBase]: For 812/815 co-relation queries the response was YES. [2024-11-17 03:17:26,918 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3112 conditions, 1274 events. 726/1274 cut-off events. For 812/815 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 6075 event pairs, 190 based on Foata normal form. 51/1323 useless extension candidates. Maximal degree in co-relation 3100. Up to 654 conditions per place. [2024-11-17 03:17:26,924 INFO L140 encePairwiseOnDemand]: 27/37 looper letters, 38 selfloop transitions, 7 changer transitions 49/98 dead transitions. [2024-11-17 03:17:26,924 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 98 transitions, 486 flow [2024-11-17 03:17:26,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-17 03:17:26,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-17 03:17:26,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 165 transitions. [2024-11-17 03:17:26,930 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.44594594594594594 [2024-11-17 03:17:26,931 INFO L175 Difference]: Start difference. First operand has 46 places, 29 transitions, 94 flow. Second operand 10 states and 165 transitions. [2024-11-17 03:17:26,931 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 98 transitions, 486 flow [2024-11-17 03:17:26,941 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 98 transitions, 463 flow, removed 10 selfloop flow, removed 3 redundant places. [2024-11-17 03:17:26,943 INFO L231 Difference]: Finished difference. Result has 55 places, 34 transitions, 171 flow [2024-11-17 03:17:26,943 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=85, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=171, PETRI_PLACES=55, PETRI_TRANSITIONS=34} [2024-11-17 03:17:26,945 INFO L277 CegarLoopForPetriNet]: 40 programPoint places, 15 predicate places. [2024-11-17 03:17:26,945 INFO L471 AbstractCegarLoop]: Abstraction has has 55 places, 34 transitions, 171 flow [2024-11-17 03:17:26,946 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 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 03:17:26,946 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-17 03:17:26,946 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 03:17:26,946 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-17 03:17:26,946 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-17 03:17:26,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:17:26,947 INFO L85 PathProgramCache]: Analyzing trace with hash 378391636, now seen corresponding path program 1 times [2024-11-17 03:17:26,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:17:26,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512730884] [2024-11-17 03:17:26,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:17:26,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:17:27,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:17:27,287 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 03:17:27,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:17:27,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512730884] [2024-11-17 03:17:27,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1512730884] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:17:27,288 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:17:27,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 03:17:27,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018793762] [2024-11-17 03:17:27,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:17:27,289 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 03:17:27,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:17:27,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 03:17:27,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-17 03:17:27,294 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 37 [2024-11-17 03:17:27,294 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 34 transitions, 171 flow. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 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 03:17:27,294 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-17 03:17:27,294 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 37 [2024-11-17 03:17:27,294 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-17 03:17:27,633 INFO L124 PetriNetUnfolderBase]: 631/1122 cut-off events. [2024-11-17 03:17:27,633 INFO L125 PetriNetUnfolderBase]: For 2347/2350 co-relation queries the response was YES. [2024-11-17 03:17:27,636 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3767 conditions, 1122 events. 631/1122 cut-off events. For 2347/2350 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 5139 event pairs, 247 based on Foata normal form. 35/1155 useless extension candidates. Maximal degree in co-relation 3747. Up to 588 conditions per place. [2024-11-17 03:17:27,642 INFO L140 encePairwiseOnDemand]: 32/37 looper letters, 38 selfloop transitions, 3 changer transitions 39/84 dead transitions. [2024-11-17 03:17:27,643 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 84 transitions, 599 flow [2024-11-17 03:17:27,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 03:17:27,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-17 03:17:27,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 114 transitions. [2024-11-17 03:17:27,644 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.44015444015444016 [2024-11-17 03:17:27,644 INFO L175 Difference]: Start difference. First operand has 55 places, 34 transitions, 171 flow. Second operand 7 states and 114 transitions. [2024-11-17 03:17:27,644 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 84 transitions, 599 flow [2024-11-17 03:17:27,654 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 84 transitions, 575 flow, removed 11 selfloop flow, removed 5 redundant places. [2024-11-17 03:17:27,656 INFO L231 Difference]: Finished difference. Result has 55 places, 34 transitions, 174 flow [2024-11-17 03:17:27,656 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=155, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=174, PETRI_PLACES=55, PETRI_TRANSITIONS=34} [2024-11-17 03:17:27,657 INFO L277 CegarLoopForPetriNet]: 40 programPoint places, 15 predicate places. [2024-11-17 03:17:27,657 INFO L471 AbstractCegarLoop]: Abstraction has has 55 places, 34 transitions, 174 flow [2024-11-17 03:17:27,657 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 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 03:17:27,657 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-17 03:17:27,658 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:17:27,658 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-17 03:17:27,658 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-17 03:17:27,659 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:17:27,659 INFO L85 PathProgramCache]: Analyzing trace with hash -5163099, now seen corresponding path program 1 times [2024-11-17 03:17:27,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:17:27,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623064506] [2024-11-17 03:17:27,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:17:27,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:17:27,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:17:28,752 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 03:17:28,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:17:28,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623064506] [2024-11-17 03:17:28,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1623064506] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:17:28,753 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:17:28,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-17 03:17:28,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074985682] [2024-11-17 03:17:28,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:17:28,754 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-17 03:17:28,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:17:28,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-17 03:17:28,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-17 03:17:28,760 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 37 [2024-11-17 03:17:28,760 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 34 transitions, 174 flow. Second operand has 10 states, 10 states have (on average 8.5) internal successors, (85), 10 states have internal predecessors, (85), 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 03:17:28,760 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-17 03:17:28,760 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 37 [2024-11-17 03:17:28,760 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-17 03:17:29,201 INFO L124 PetriNetUnfolderBase]: 612/1092 cut-off events. [2024-11-17 03:17:29,202 INFO L125 PetriNetUnfolderBase]: For 2163/2163 co-relation queries the response was YES. [2024-11-17 03:17:29,206 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3668 conditions, 1092 events. 612/1092 cut-off events. For 2163/2163 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 4991 event pairs, 260 based on Foata normal form. 27/1118 useless extension candidates. Maximal degree in co-relation 3646. Up to 851 conditions per place. [2024-11-17 03:17:29,211 INFO L140 encePairwiseOnDemand]: 29/37 looper letters, 47 selfloop transitions, 7 changer transitions 29/87 dead transitions. [2024-11-17 03:17:29,211 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 87 transitions, 570 flow [2024-11-17 03:17:29,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-17 03:17:29,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-17 03:17:29,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 137 transitions. [2024-11-17 03:17:29,212 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4114114114114114 [2024-11-17 03:17:29,213 INFO L175 Difference]: Start difference. First operand has 55 places, 34 transitions, 174 flow. Second operand 9 states and 137 transitions. [2024-11-17 03:17:29,213 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 87 transitions, 570 flow [2024-11-17 03:17:29,219 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 87 transitions, 539 flow, removed 10 selfloop flow, removed 7 redundant places. [2024-11-17 03:17:29,220 INFO L231 Difference]: Finished difference. Result has 59 places, 40 transitions, 213 flow [2024-11-17 03:17:29,220 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=156, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=213, PETRI_PLACES=59, PETRI_TRANSITIONS=40} [2024-11-17 03:17:29,221 INFO L277 CegarLoopForPetriNet]: 40 programPoint places, 19 predicate places. [2024-11-17 03:17:29,222 INFO L471 AbstractCegarLoop]: Abstraction has has 59 places, 40 transitions, 213 flow [2024-11-17 03:17:29,222 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.5) internal successors, (85), 10 states have internal predecessors, (85), 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 03:17:29,222 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-17 03:17:29,222 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:17:29,222 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-17 03:17:29,223 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-17 03:17:29,223 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:17:29,223 INFO L85 PathProgramCache]: Analyzing trace with hash 1934160741, now seen corresponding path program 2 times [2024-11-17 03:17:29,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:17:29,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651234751] [2024-11-17 03:17:29,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:17:29,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:17:29,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:17:30,090 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 03:17:30,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:17:30,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651234751] [2024-11-17 03:17:30,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1651234751] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:17:30,091 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:17:30,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-17 03:17:30,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173318000] [2024-11-17 03:17:30,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:17:30,092 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-17 03:17:30,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:17:30,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-17 03:17:30,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-17 03:17:30,094 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 37 [2024-11-17 03:17:30,095 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 40 transitions, 213 flow. Second operand has 10 states, 10 states have (on average 8.5) internal successors, (85), 10 states have internal predecessors, (85), 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 03:17:30,095 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-17 03:17:30,095 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 37 [2024-11-17 03:17:30,095 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-17 03:17:30,583 INFO L124 PetriNetUnfolderBase]: 591/1051 cut-off events. [2024-11-17 03:17:30,584 INFO L125 PetriNetUnfolderBase]: For 2147/2147 co-relation queries the response was YES. [2024-11-17 03:17:30,587 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3688 conditions, 1051 events. 591/1051 cut-off events. For 2147/2147 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 4669 event pairs, 257 based on Foata normal form. 27/1077 useless extension candidates. Maximal degree in co-relation 3664. Up to 809 conditions per place. [2024-11-17 03:17:30,591 INFO L140 encePairwiseOnDemand]: 31/37 looper letters, 45 selfloop transitions, 8 changer transitions 29/86 dead transitions. [2024-11-17 03:17:30,591 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 86 transitions, 598 flow [2024-11-17 03:17:30,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-17 03:17:30,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-17 03:17:30,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 124 transitions. [2024-11-17 03:17:30,593 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4189189189189189 [2024-11-17 03:17:30,593 INFO L175 Difference]: Start difference. First operand has 59 places, 40 transitions, 213 flow. Second operand 8 states and 124 transitions. [2024-11-17 03:17:30,593 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 86 transitions, 598 flow [2024-11-17 03:17:30,598 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 86 transitions, 580 flow, removed 9 selfloop flow, removed 4 redundant places. [2024-11-17 03:17:30,602 INFO L231 Difference]: Finished difference. Result has 64 places, 42 transitions, 249 flow [2024-11-17 03:17:30,602 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=203, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=249, PETRI_PLACES=64, PETRI_TRANSITIONS=42} [2024-11-17 03:17:30,603 INFO L277 CegarLoopForPetriNet]: 40 programPoint places, 24 predicate places. [2024-11-17 03:17:30,603 INFO L471 AbstractCegarLoop]: Abstraction has has 64 places, 42 transitions, 249 flow [2024-11-17 03:17:30,603 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.5) internal successors, (85), 10 states have internal predecessors, (85), 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 03:17:30,603 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-17 03:17:30,603 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:17:30,604 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-17 03:17:30,604 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-17 03:17:30,604 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:17:30,604 INFO L85 PathProgramCache]: Analyzing trace with hash 2125906884, now seen corresponding path program 1 times [2024-11-17 03:17:30,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:17:30,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426277508] [2024-11-17 03:17:30,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:17:30,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:17:30,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:17:30,825 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 03:17:30,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:17:30,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426277508] [2024-11-17 03:17:30,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1426277508] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:17:30,826 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:17:30,826 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 03:17:30,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493455909] [2024-11-17 03:17:30,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:17:30,827 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 03:17:30,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:17:30,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 03:17:30,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 03:17:30,828 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 37 [2024-11-17 03:17:30,829 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 42 transitions, 249 flow. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 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 03:17:30,829 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-17 03:17:30,829 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 37 [2024-11-17 03:17:30,829 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-17 03:17:31,023 INFO L124 PetriNetUnfolderBase]: 380/713 cut-off events. [2024-11-17 03:17:31,023 INFO L125 PetriNetUnfolderBase]: For 1285/1288 co-relation queries the response was YES. [2024-11-17 03:17:31,026 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2471 conditions, 713 events. 380/713 cut-off events. For 1285/1288 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 3043 event pairs, 86 based on Foata normal form. 53/764 useless extension candidates. Maximal degree in co-relation 2443. Up to 302 conditions per place. [2024-11-17 03:17:31,029 INFO L140 encePairwiseOnDemand]: 32/37 looper letters, 57 selfloop transitions, 4 changer transitions 1/66 dead transitions. [2024-11-17 03:17:31,030 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 66 transitions, 502 flow [2024-11-17 03:17:31,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 03:17:31,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-17 03:17:31,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 83 transitions. [2024-11-17 03:17:31,031 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5608108108108109 [2024-11-17 03:17:31,031 INFO L175 Difference]: Start difference. First operand has 64 places, 42 transitions, 249 flow. Second operand 4 states and 83 transitions. [2024-11-17 03:17:31,031 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 66 transitions, 502 flow [2024-11-17 03:17:31,035 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 66 transitions, 459 flow, removed 8 selfloop flow, removed 10 redundant places. [2024-11-17 03:17:31,036 INFO L231 Difference]: Finished difference. Result has 55 places, 40 transitions, 217 flow [2024-11-17 03:17:31,036 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=191, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=217, PETRI_PLACES=55, PETRI_TRANSITIONS=40} [2024-11-17 03:17:31,037 INFO L277 CegarLoopForPetriNet]: 40 programPoint places, 15 predicate places. [2024-11-17 03:17:31,037 INFO L471 AbstractCegarLoop]: Abstraction has has 55 places, 40 transitions, 217 flow [2024-11-17 03:17:31,037 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 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 03:17:31,037 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-17 03:17:31,038 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 03:17:31,038 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-17 03:17:31,038 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-17 03:17:31,038 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:17:31,038 INFO L85 PathProgramCache]: Analyzing trace with hash -755320997, now seen corresponding path program 1 times [2024-11-17 03:17:31,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:17:31,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916928855] [2024-11-17 03:17:31,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:17:31,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:17:31,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:17:32,730 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 03:17:32,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:17:32,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916928855] [2024-11-17 03:17:32,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [916928855] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:17:32,732 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:17:32,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-17 03:17:32,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78441864] [2024-11-17 03:17:32,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:17:32,735 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-17 03:17:32,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:17:32,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-17 03:17:32,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-17 03:17:32,743 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 37 [2024-11-17 03:17:32,743 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 40 transitions, 217 flow. Second operand has 10 states, 10 states have (on average 8.8) internal successors, (88), 10 states have internal predecessors, (88), 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 03:17:32,743 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-17 03:17:32,743 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 37 [2024-11-17 03:17:32,744 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-17 03:17:33,308 INFO L124 PetriNetUnfolderBase]: 509/941 cut-off events. [2024-11-17 03:17:33,309 INFO L125 PetriNetUnfolderBase]: For 1556/1559 co-relation queries the response was YES. [2024-11-17 03:17:33,311 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3354 conditions, 941 events. 509/941 cut-off events. For 1556/1559 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 4228 event pairs, 145 based on Foata normal form. 14/953 useless extension candidates. Maximal degree in co-relation 3331. Up to 425 conditions per place. [2024-11-17 03:17:33,315 INFO L140 encePairwiseOnDemand]: 26/37 looper letters, 63 selfloop transitions, 19 changer transitions 25/111 dead transitions. [2024-11-17 03:17:33,315 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 111 transitions, 838 flow [2024-11-17 03:17:33,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-17 03:17:33,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-17 03:17:33,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 151 transitions. [2024-11-17 03:17:33,317 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.45345345345345345 [2024-11-17 03:17:33,317 INFO L175 Difference]: Start difference. First operand has 55 places, 40 transitions, 217 flow. Second operand 9 states and 151 transitions. [2024-11-17 03:17:33,317 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 111 transitions, 838 flow [2024-11-17 03:17:33,320 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 111 transitions, 805 flow, removed 6 selfloop flow, removed 2 redundant places. [2024-11-17 03:17:33,321 INFO L231 Difference]: Finished difference. Result has 67 places, 55 transitions, 403 flow [2024-11-17 03:17:33,321 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=210, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=403, PETRI_PLACES=67, PETRI_TRANSITIONS=55} [2024-11-17 03:17:33,322 INFO L277 CegarLoopForPetriNet]: 40 programPoint places, 27 predicate places. [2024-11-17 03:17:33,322 INFO L471 AbstractCegarLoop]: Abstraction has has 67 places, 55 transitions, 403 flow [2024-11-17 03:17:33,323 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.8) internal successors, (88), 10 states have internal predecessors, (88), 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 03:17:33,323 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-17 03:17:33,323 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 03:17:33,323 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-17 03:17:33,323 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-17 03:17:33,324 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:17:33,324 INFO L85 PathProgramCache]: Analyzing trace with hash 657323577, now seen corresponding path program 2 times [2024-11-17 03:17:33,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:17:33,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990098864] [2024-11-17 03:17:33,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:17:33,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:17:33,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:17:35,465 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 03:17:35,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:17:35,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990098864] [2024-11-17 03:17:35,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1990098864] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:17:35,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:17:35,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-17 03:17:35,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810646394] [2024-11-17 03:17:35,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:17:35,470 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-17 03:17:35,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:17:35,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-17 03:17:35,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-11-17 03:17:35,472 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 37 [2024-11-17 03:17:35,472 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 55 transitions, 403 flow. Second operand has 11 states, 11 states have (on average 8.636363636363637) internal successors, (95), 11 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 03:17:35,472 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-17 03:17:35,472 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 37 [2024-11-17 03:17:35,472 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-17 03:17:36,655 INFO L124 PetriNetUnfolderBase]: 808/1537 cut-off events. [2024-11-17 03:17:36,655 INFO L125 PetriNetUnfolderBase]: For 3792/3792 co-relation queries the response was YES. [2024-11-17 03:17:36,661 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5875 conditions, 1537 events. 808/1537 cut-off events. For 3792/3792 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 8197 event pairs, 243 based on Foata normal form. 14/1550 useless extension candidates. Maximal degree in co-relation 5846. Up to 544 conditions per place. [2024-11-17 03:17:36,668 INFO L140 encePairwiseOnDemand]: 26/37 looper letters, 91 selfloop transitions, 23 changer transitions 29/147 dead transitions. [2024-11-17 03:17:36,669 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 147 transitions, 1300 flow [2024-11-17 03:17:36,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-17 03:17:36,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-17 03:17:36,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 177 transitions. [2024-11-17 03:17:36,670 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4783783783783784 [2024-11-17 03:17:36,670 INFO L175 Difference]: Start difference. First operand has 67 places, 55 transitions, 403 flow. Second operand 10 states and 177 transitions. [2024-11-17 03:17:36,670 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 147 transitions, 1300 flow [2024-11-17 03:17:36,680 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 147 transitions, 1232 flow, removed 34 selfloop flow, removed 2 redundant places. [2024-11-17 03:17:36,683 INFO L231 Difference]: Finished difference. Result has 78 places, 66 transitions, 568 flow [2024-11-17 03:17:36,684 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=367, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=568, PETRI_PLACES=78, PETRI_TRANSITIONS=66} [2024-11-17 03:17:36,685 INFO L277 CegarLoopForPetriNet]: 40 programPoint places, 38 predicate places. [2024-11-17 03:17:36,686 INFO L471 AbstractCegarLoop]: Abstraction has has 78 places, 66 transitions, 568 flow [2024-11-17 03:17:36,686 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.636363636363637) internal successors, (95), 11 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 03:17:36,686 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-17 03:17:36,686 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 03:17:36,686 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-17 03:17:36,687 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-17 03:17:36,687 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:17:36,687 INFO L85 PathProgramCache]: Analyzing trace with hash -1909547813, now seen corresponding path program 3 times [2024-11-17 03:17:36,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:17:36,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859110632] [2024-11-17 03:17:36,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:17:36,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:17:36,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:17:36,916 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 03:17:36,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:17:36,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859110632] [2024-11-17 03:17:36,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1859110632] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:17:36,917 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:17:36,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 03:17:36,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044805801] [2024-11-17 03:17:36,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:17:36,918 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 03:17:36,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:17:36,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 03:17:36,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-17 03:17:36,919 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 37 [2024-11-17 03:17:36,919 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 66 transitions, 568 flow. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 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 03:17:36,920 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-17 03:17:36,920 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 37 [2024-11-17 03:17:36,920 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-17 03:17:37,133 INFO L124 PetriNetUnfolderBase]: 465/917 cut-off events. [2024-11-17 03:17:37,133 INFO L125 PetriNetUnfolderBase]: For 2785/2788 co-relation queries the response was YES. [2024-11-17 03:17:37,137 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3490 conditions, 917 events. 465/917 cut-off events. For 2785/2788 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 4521 event pairs, 97 based on Foata normal form. 80/995 useless extension candidates. Maximal degree in co-relation 3455. Up to 428 conditions per place. [2024-11-17 03:17:37,141 INFO L140 encePairwiseOnDemand]: 32/37 looper letters, 60 selfloop transitions, 6 changer transitions 14/84 dead transitions. [2024-11-17 03:17:37,141 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 84 transitions, 850 flow [2024-11-17 03:17:37,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 03:17:37,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-17 03:17:37,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 84 transitions. [2024-11-17 03:17:37,142 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4540540540540541 [2024-11-17 03:17:37,142 INFO L175 Difference]: Start difference. First operand has 78 places, 66 transitions, 568 flow. Second operand 5 states and 84 transitions. [2024-11-17 03:17:37,142 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 84 transitions, 850 flow [2024-11-17 03:17:37,149 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 84 transitions, 736 flow, removed 43 selfloop flow, removed 9 redundant places. [2024-11-17 03:17:37,150 INFO L231 Difference]: Finished difference. Result has 73 places, 55 transitions, 390 flow [2024-11-17 03:17:37,151 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=414, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=60, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=54, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=390, PETRI_PLACES=73, PETRI_TRANSITIONS=55} [2024-11-17 03:17:37,151 INFO L277 CegarLoopForPetriNet]: 40 programPoint places, 33 predicate places. [2024-11-17 03:17:37,151 INFO L471 AbstractCegarLoop]: Abstraction has has 73 places, 55 transitions, 390 flow [2024-11-17 03:17:37,152 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 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 03:17:37,152 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-17 03:17:37,152 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] [2024-11-17 03:17:37,152 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-17 03:17:37,152 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-17 03:17:37,153 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:17:37,153 INFO L85 PathProgramCache]: Analyzing trace with hash 371659502, now seen corresponding path program 1 times [2024-11-17 03:17:37,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:17:37,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473182711] [2024-11-17 03:17:37,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:17:37,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:17:37,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:17:39,202 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 03:17:39,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:17:39,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473182711] [2024-11-17 03:17:39,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1473182711] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:17:39,203 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:17:39,203 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-17 03:17:39,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225523886] [2024-11-17 03:17:39,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:17:39,204 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-17 03:17:39,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:17:39,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-17 03:17:39,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-17 03:17:39,206 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 37 [2024-11-17 03:17:39,207 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 55 transitions, 390 flow. Second operand has 11 states, 11 states have (on average 8.909090909090908) internal successors, (98), 11 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:17:39,207 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-17 03:17:39,207 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 37 [2024-11-17 03:17:39,207 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-17 03:17:39,748 INFO L124 PetriNetUnfolderBase]: 273/551 cut-off events. [2024-11-17 03:17:39,748 INFO L125 PetriNetUnfolderBase]: For 1146/1149 co-relation queries the response was YES. [2024-11-17 03:17:39,750 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2014 conditions, 551 events. 273/551 cut-off events. For 1146/1149 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 2228 event pairs, 83 based on Foata normal form. 8/557 useless extension candidates. Maximal degree in co-relation 1983. Up to 246 conditions per place. [2024-11-17 03:17:39,752 INFO L140 encePairwiseOnDemand]: 28/37 looper letters, 29 selfloop transitions, 7 changer transitions 40/80 dead transitions. [2024-11-17 03:17:39,753 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 80 transitions, 668 flow [2024-11-17 03:17:39,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-17 03:17:39,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-17 03:17:39,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 107 transitions. [2024-11-17 03:17:39,754 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3614864864864865 [2024-11-17 03:17:39,754 INFO L175 Difference]: Start difference. First operand has 73 places, 55 transitions, 390 flow. Second operand 8 states and 107 transitions. [2024-11-17 03:17:39,754 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 80 transitions, 668 flow [2024-11-17 03:17:39,759 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 80 transitions, 571 flow, removed 26 selfloop flow, removed 12 redundant places. [2024-11-17 03:17:39,761 INFO L231 Difference]: Finished difference. Result has 71 places, 35 transitions, 212 flow [2024-11-17 03:17:39,761 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=336, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=212, PETRI_PLACES=71, PETRI_TRANSITIONS=35} [2024-11-17 03:17:39,763 INFO L277 CegarLoopForPetriNet]: 40 programPoint places, 31 predicate places. [2024-11-17 03:17:39,764 INFO L471 AbstractCegarLoop]: Abstraction has has 71 places, 35 transitions, 212 flow [2024-11-17 03:17:39,764 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.909090909090908) internal successors, (98), 11 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:17:39,764 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-17 03:17:39,764 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] [2024-11-17 03:17:39,764 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-17 03:17:39,765 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-17 03:17:39,765 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:17:39,765 INFO L85 PathProgramCache]: Analyzing trace with hash -2136453106, now seen corresponding path program 2 times [2024-11-17 03:17:39,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:17:39,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132052955] [2024-11-17 03:17:39,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:17:39,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:17:39,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:17:40,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:17:40,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:17:40,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132052955] [2024-11-17 03:17:40,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [132052955] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:17:40,032 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:17:40,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-17 03:17:40,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061513645] [2024-11-17 03:17:40,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:17:40,037 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 03:17:40,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:17:40,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 03:17:40,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-17 03:17:40,040 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 37 [2024-11-17 03:17:40,040 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 35 transitions, 212 flow. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 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 03:17:40,041 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-17 03:17:40,041 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 37 [2024-11-17 03:17:40,041 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-17 03:17:40,167 INFO L124 PetriNetUnfolderBase]: 98/197 cut-off events. [2024-11-17 03:17:40,167 INFO L125 PetriNetUnfolderBase]: For 251/251 co-relation queries the response was YES. [2024-11-17 03:17:40,168 INFO L83 FinitePrefix]: Finished finitePrefix Result has 682 conditions, 197 events. 98/197 cut-off events. For 251/251 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 539 event pairs, 24 based on Foata normal form. 4/200 useless extension candidates. Maximal degree in co-relation 664. Up to 128 conditions per place. [2024-11-17 03:17:40,169 INFO L140 encePairwiseOnDemand]: 33/37 looper letters, 0 selfloop transitions, 0 changer transitions 39/39 dead transitions. [2024-11-17 03:17:40,169 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 39 transitions, 294 flow [2024-11-17 03:17:40,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 03:17:40,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-17 03:17:40,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 66 transitions. [2024-11-17 03:17:40,170 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3567567567567568 [2024-11-17 03:17:40,170 INFO L175 Difference]: Start difference. First operand has 71 places, 35 transitions, 212 flow. Second operand 5 states and 66 transitions. [2024-11-17 03:17:40,170 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 39 transitions, 294 flow [2024-11-17 03:17:40,171 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 39 transitions, 209 flow, removed 7 selfloop flow, removed 25 redundant places. [2024-11-17 03:17:40,171 INFO L231 Difference]: Finished difference. Result has 45 places, 0 transitions, 0 flow [2024-11-17 03:17:40,171 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=119, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=45, PETRI_TRANSITIONS=0} [2024-11-17 03:17:40,172 INFO L277 CegarLoopForPetriNet]: 40 programPoint places, 5 predicate places. [2024-11-17 03:17:40,172 INFO L471 AbstractCegarLoop]: Abstraction has has 45 places, 0 transitions, 0 flow [2024-11-17 03:17:40,174 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 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 03:17:40,176 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONMEMORY_LEAK (5 of 6 remaining) [2024-11-17 03:17:40,177 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (4 of 6 remaining) [2024-11-17 03:17:40,177 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (3 of 6 remaining) [2024-11-17 03:17:40,177 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 6 remaining) [2024-11-17 03:17:40,177 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 6 remaining) [2024-11-17 03:17:40,178 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONMEMORY_LEAK (0 of 6 remaining) [2024-11-17 03:17:40,178 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-17 03:17:40,178 INFO L407 BasicCegarLoop]: Path program histogram: [3, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-17 03:17:40,183 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-17 03:17:40,183 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-17 03:17:40,187 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.11 03:17:40 BasicIcfg [2024-11-17 03:17:40,188 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-17 03:17:40,188 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-17 03:17:40,188 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-17 03:17:40,188 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-17 03:17:40,189 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 03:17:22" (3/4) ... [2024-11-17 03:17:40,190 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-17 03:17:40,192 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure P0 [2024-11-17 03:17:40,192 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure P1 [2024-11-17 03:17:40,195 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 39 nodes and edges [2024-11-17 03:17:40,196 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-17 03:17:40,196 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-17 03:17:40,196 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-17 03:17:40,273 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-17 03:17:40,273 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-17 03:17:40,274 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-17 03:17:40,274 INFO L158 Benchmark]: Toolchain (without parser) took 19211.70ms. Allocated memory was 153.1MB in the beginning and 664.8MB in the end (delta: 511.7MB). Free memory was 97.4MB in the beginning and 566.1MB in the end (delta: -468.7MB). Peak memory consumption was 44.7MB. Max. memory is 16.1GB. [2024-11-17 03:17:40,274 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 153.1MB. Free memory is still 118.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 03:17:40,275 INFO L158 Benchmark]: CACSL2BoogieTranslator took 641.45ms. Allocated memory is still 153.1MB. Free memory was 97.1MB in the beginning and 68.0MB in the end (delta: 29.1MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-11-17 03:17:40,275 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.39ms. Allocated memory is still 153.1MB. Free memory was 68.0MB in the beginning and 64.6MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 03:17:40,275 INFO L158 Benchmark]: Boogie Preprocessor took 78.51ms. Allocated memory is still 153.1MB. Free memory was 64.6MB in the beginning and 60.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-17 03:17:40,276 INFO L158 Benchmark]: IcfgBuilder took 965.82ms. Allocated memory is still 153.1MB. Free memory was 60.0MB in the beginning and 68.4MB in the end (delta: -8.4MB). Peak memory consumption was 24.7MB. Max. memory is 16.1GB. [2024-11-17 03:17:40,276 INFO L158 Benchmark]: TraceAbstraction took 17351.12ms. Allocated memory was 153.1MB in the beginning and 664.8MB in the end (delta: 511.7MB). Free memory was 67.6MB in the beginning and 570.3MB in the end (delta: -502.7MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. [2024-11-17 03:17:40,276 INFO L158 Benchmark]: Witness Printer took 85.50ms. Allocated memory is still 664.8MB. Free memory was 570.3MB in the beginning and 566.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-17 03:17:40,278 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 153.1MB. Free memory is still 118.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 641.45ms. Allocated memory is still 153.1MB. Free memory was 97.1MB in the beginning and 68.0MB in the end (delta: 29.1MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.39ms. Allocated memory is still 153.1MB. Free memory was 68.0MB in the beginning and 64.6MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 78.51ms. Allocated memory is still 153.1MB. Free memory was 64.6MB in the beginning and 60.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * IcfgBuilder took 965.82ms. Allocated memory is still 153.1MB. Free memory was 60.0MB in the beginning and 68.4MB in the end (delta: -8.4MB). Peak memory consumption was 24.7MB. Max. memory is 16.1GB. * TraceAbstraction took 17351.12ms. Allocated memory was 153.1MB in the beginning and 664.8MB in the end (delta: 511.7MB). Free memory was 67.6MB in the beginning and 570.3MB in the end (delta: -502.7MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. * Witness Printer took 85.50ms. Allocated memory is still 664.8MB. Free memory was 570.3MB in the beginning and 566.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 17]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 824]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 17]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 55 locations, 6 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 17.2s, OverallIterations: 13, TraceHistogramMax: 1, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 6.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 529 SdHoareTripleChecker+Valid, 3.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 526 mSDsluCounter, 12 SdHoareTripleChecker+Invalid, 2.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 11 mSDsCounter, 81 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2428 IncrementalHoareTripleChecker+Invalid, 2509 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 81 mSolverCounterUnsat, 1 mSDtfsCounter, 2428 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 108 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=568occurred in iteration=10, InterpolantAutomatonStates: 89, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 9.9s InterpolantComputationTime, 237 NumberOfCodeBlocks, 237 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 224 ConstructedInterpolants, 0 QuantifiedInterpolants, 1957 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-17 03:17:40,308 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE