./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/pthread-wmm/safe035_power.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 8be7027f 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/safe035_power.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 6415bffc70cf05f8f6460106962f2f9c59b321fd2fc94a45894cc3c1f3d85b66 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 16:13:20,292 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 16:13:20,332 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-11-12 16:13:20,335 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 16:13:20,337 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 16:13:20,356 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 16:13:20,357 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 16:13:20,357 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 16:13:20,358 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 16:13:20,358 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 16:13:20,358 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 16:13:20,359 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 16:13:20,359 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 16:13:20,359 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 16:13:20,361 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 16:13:20,361 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 16:13:20,361 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 16:13:20,361 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 16:13:20,362 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 16:13:20,362 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 16:13:20,362 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-12 16:13:20,364 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-12 16:13:20,365 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-12 16:13:20,365 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 16:13:20,365 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-12 16:13:20,365 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 16:13:20,365 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-12 16:13:20,365 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 16:13:20,366 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 16:13:20,366 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 16:13:20,366 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 16:13:20,366 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 16:13:20,367 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 16:13:20,367 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 16:13:20,367 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 16:13:20,368 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 16:13:20,368 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 16:13:20,368 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 16:13:20,368 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 16:13:20,368 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 16:13:20,368 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 16:13:20,372 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 16:13:20,372 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6415bffc70cf05f8f6460106962f2f9c59b321fd2fc94a45894cc3c1f3d85b66 [2024-11-12 16:13:20,602 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 16:13:20,622 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 16:13:20,624 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 16:13:20,625 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 16:13:20,625 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 16:13:20,626 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe035_power.i [2024-11-12 16:13:21,771 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 16:13:21,996 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 16:13:21,997 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe035_power.i [2024-11-12 16:13:22,010 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd995a860/ad6ac62b8dbc4d9f94836215a1c0e45d/FLAG5b37f3814 [2024-11-12 16:13:22,362 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd995a860/ad6ac62b8dbc4d9f94836215a1c0e45d [2024-11-12 16:13:22,364 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 16:13:22,365 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 16:13:22,366 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 16:13:22,366 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 16:13:22,371 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 16:13:22,371 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 04:13:22" (1/1) ... [2024-11-12 16:13:22,372 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@118afca5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:13:22, skipping insertion in model container [2024-11-12 16:13:22,372 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 04:13:22" (1/1) ... [2024-11-12 16:13:22,410 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 16:13:22,758 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 16:13:22,768 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 16:13:22,824 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 16:13:22,852 INFO L204 MainTranslator]: Completed translation [2024-11-12 16:13:22,852 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:13:22 WrapperNode [2024-11-12 16:13:22,853 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 16:13:22,853 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 16:13:22,854 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 16:13:22,854 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 16:13:22,859 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:13:22" (1/1) ... [2024-11-12 16:13:22,873 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:13:22" (1/1) ... [2024-11-12 16:13:22,900 INFO L138 Inliner]: procedures = 175, calls = 49, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 169 [2024-11-12 16:13:22,901 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 16:13:22,905 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 16:13:22,905 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 16:13:22,905 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 16:13:22,918 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:13:22" (1/1) ... [2024-11-12 16:13:22,919 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:13:22" (1/1) ... [2024-11-12 16:13:22,924 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:13:22" (1/1) ... [2024-11-12 16:13:22,955 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]. [2024-11-12 16:13:22,958 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:13:22" (1/1) ... [2024-11-12 16:13:22,959 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:13:22" (1/1) ... [2024-11-12 16:13:22,969 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:13:22" (1/1) ... [2024-11-12 16:13:22,971 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:13:22" (1/1) ... [2024-11-12 16:13:22,973 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:13:22" (1/1) ... [2024-11-12 16:13:22,975 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:13:22" (1/1) ... [2024-11-12 16:13:22,978 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 16:13:22,978 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 16:13:22,978 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 16:13:22,979 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 16:13:22,979 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:13:22" (1/1) ... [2024-11-12 16:13:22,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 16:13:22,995 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 16:13:23,011 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) [2024-11-12 16:13:23,015 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 [2024-11-12 16:13:23,078 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-12 16:13:23,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 16:13:23,078 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-12 16:13:23,079 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-12 16:13:23,079 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-12 16:13:23,079 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-12 16:13:23,079 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-12 16:13:23,079 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-12 16:13:23,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 16:13:23,079 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-12 16:13:23,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 16:13:23,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 16:13:23,084 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-12 16:13:23,198 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 16:13:23,200 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 16:13:23,510 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-12 16:13:23,510 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 16:13:23,716 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 16:13:23,716 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-12 16:13:23,716 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 04:13:23 BoogieIcfgContainer [2024-11-12 16:13:23,717 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 16:13:23,731 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 16:13:23,731 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 16:13:23,734 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 16:13:23,734 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 04:13:22" (1/3) ... [2024-11-12 16:13:23,735 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79b52783 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 04:13:23, skipping insertion in model container [2024-11-12 16:13:23,735 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:13:22" (2/3) ... [2024-11-12 16:13:23,736 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79b52783 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 04:13:23, skipping insertion in model container [2024-11-12 16:13:23,736 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 04:13:23" (3/3) ... [2024-11-12 16:13:23,737 INFO L112 eAbstractionObserver]: Analyzing ICFG safe035_power.i [2024-11-12 16:13:23,749 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 16:13:23,750 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-11-12 16:13:23,750 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-12 16:13:23,795 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-12 16:13:23,821 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 55 places, 47 transitions, 106 flow [2024-11-12 16:13:23,847 INFO L124 PetriNetUnfolderBase]: 2/44 cut-off events. [2024-11-12 16:13:23,848 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-12 16:13:23,852 INFO L83 FinitePrefix]: Finished finitePrefix Result has 54 conditions, 44 events. 2/44 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 92 event pairs, 0 based on Foata normal form. 0/39 useless extension candidates. Maximal degree in co-relation 46. Up to 2 conditions per place. [2024-11-12 16:13:23,852 INFO L82 GeneralOperation]: Start removeDead. Operand has 55 places, 47 transitions, 106 flow [2024-11-12 16:13:23,854 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 52 places, 44 transitions, 97 flow [2024-11-12 16:13:23,862 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 16:13:23,867 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;@2695086a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 16:13:23,868 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-12 16:13:23,874 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-12 16:13:23,875 INFO L124 PetriNetUnfolderBase]: 0/18 cut-off events. [2024-11-12 16:13:23,875 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-12 16:13:23,875 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 16:13:23,876 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:13:23,876 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P2Err0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-12 16:13:23,881 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:13:23,881 INFO L85 PathProgramCache]: Analyzing trace with hash 807765749, now seen corresponding path program 1 times [2024-11-12 16:13:23,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:13:23,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483808935] [2024-11-12 16:13:23,888 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:13:23,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:13:24,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:13:24,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:13:24,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:13:24,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483808935] [2024-11-12 16:13:24,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1483808935] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 16:13:24,275 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 16:13:24,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-12 16:13:24,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467167598] [2024-11-12 16:13:24,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 16:13:24,282 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 16:13:24,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:13:24,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 16:13:24,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 16:13:24,311 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 47 [2024-11-12 16:13:24,313 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 44 transitions, 97 flow. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 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) [2024-11-12 16:13:24,313 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 16:13:24,314 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 47 [2024-11-12 16:13:24,315 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 16:13:25,013 INFO L124 PetriNetUnfolderBase]: 2523/3960 cut-off events. [2024-11-12 16:13:25,013 INFO L125 PetriNetUnfolderBase]: For 12/12 co-relation queries the response was YES. [2024-11-12 16:13:25,024 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7667 conditions, 3960 events. 2523/3960 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 215. Compared 25048 event pairs, 328 based on Foata normal form. 240/4184 useless extension candidates. Maximal degree in co-relation 7656. Up to 3096 conditions per place. [2024-11-12 16:13:25,057 INFO L140 encePairwiseOnDemand]: 42/47 looper letters, 37 selfloop transitions, 2 changer transitions 2/55 dead transitions. [2024-11-12 16:13:25,057 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 55 transitions, 201 flow [2024-11-12 16:13:25,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 16:13:25,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 16:13:25,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 97 transitions. [2024-11-12 16:13:25,067 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6879432624113475 [2024-11-12 16:13:25,068 INFO L175 Difference]: Start difference. First operand has 52 places, 44 transitions, 97 flow. Second operand 3 states and 97 transitions. [2024-11-12 16:13:25,069 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 55 transitions, 201 flow [2024-11-12 16:13:25,071 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 55 transitions, 198 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-12 16:13:25,075 INFO L231 Difference]: Finished difference. Result has 49 places, 39 transitions, 88 flow [2024-11-12 16:13:25,076 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=86, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=88, PETRI_PLACES=49, PETRI_TRANSITIONS=39} [2024-11-12 16:13:25,080 INFO L279 CegarLoopForPetriNet]: 52 programPoint places, -3 predicate places. [2024-11-12 16:13:25,082 INFO L471 AbstractCegarLoop]: Abstraction has has 49 places, 39 transitions, 88 flow [2024-11-12 16:13:25,082 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 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) [2024-11-12 16:13:25,082 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 16:13:25,083 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:13:25,083 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 16:13:25,083 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-12 16:13:25,084 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:13:25,084 INFO L85 PathProgramCache]: Analyzing trace with hash -1292564532, now seen corresponding path program 1 times [2024-11-12 16:13:25,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:13:25,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296563357] [2024-11-12 16:13:25,085 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:13:25,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:13:25,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:13:25,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:13:25,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:13:25,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296563357] [2024-11-12 16:13:25,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1296563357] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 16:13:25,174 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 16:13:25,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-12 16:13:25,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886708324] [2024-11-12 16:13:25,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 16:13:25,175 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 16:13:25,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:13:25,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 16:13:25,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 16:13:25,182 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 47 [2024-11-12 16:13:25,182 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 39 transitions, 88 flow. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 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) [2024-11-12 16:13:25,182 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 16:13:25,182 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 47 [2024-11-12 16:13:25,183 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 16:13:25,667 INFO L124 PetriNetUnfolderBase]: 2237/3766 cut-off events. [2024-11-12 16:13:25,667 INFO L125 PetriNetUnfolderBase]: For 160/160 co-relation queries the response was YES. [2024-11-12 16:13:25,671 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7226 conditions, 3766 events. 2237/3766 cut-off events. For 160/160 co-relation queries the response was YES. Maximal size of possible extension queue 214. Compared 24897 event pairs, 2237 based on Foata normal form. 120/3830 useless extension candidates. Maximal degree in co-relation 7216. Up to 3246 conditions per place. [2024-11-12 16:13:25,682 INFO L140 encePairwiseOnDemand]: 45/47 looper letters, 23 selfloop transitions, 1 changer transitions 1/38 dead transitions. [2024-11-12 16:13:25,682 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 38 transitions, 136 flow [2024-11-12 16:13:25,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 16:13:25,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 16:13:25,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 74 transitions. [2024-11-12 16:13:25,684 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.524822695035461 [2024-11-12 16:13:25,685 INFO L175 Difference]: Start difference. First operand has 49 places, 39 transitions, 88 flow. Second operand 3 states and 74 transitions. [2024-11-12 16:13:25,685 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 38 transitions, 136 flow [2024-11-12 16:13:25,686 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 38 transitions, 132 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-12 16:13:25,687 INFO L231 Difference]: Finished difference. Result has 47 places, 37 transitions, 82 flow [2024-11-12 16:13:25,687 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=82, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=82, PETRI_PLACES=47, PETRI_TRANSITIONS=37} [2024-11-12 16:13:25,688 INFO L279 CegarLoopForPetriNet]: 52 programPoint places, -5 predicate places. [2024-11-12 16:13:25,688 INFO L471 AbstractCegarLoop]: Abstraction has has 47 places, 37 transitions, 82 flow [2024-11-12 16:13:25,688 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 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) [2024-11-12 16:13:25,688 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 16:13:25,689 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:13:25,689 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 16:13:25,689 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-12 16:13:25,690 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:13:25,690 INFO L85 PathProgramCache]: Analyzing trace with hash -1292563015, now seen corresponding path program 1 times [2024-11-12 16:13:25,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:13:25,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132642892] [2024-11-12 16:13:25,691 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:13:25,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:13:25,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:13:25,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:13:25,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:13:25,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132642892] [2024-11-12 16:13:25,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2132642892] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 16:13:25,944 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 16:13:25,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 16:13:25,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607307934] [2024-11-12 16:13:25,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 16:13:25,946 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 16:13:25,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:13:25,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 16:13:25,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 16:13:25,949 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 47 [2024-11-12 16:13:25,949 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 37 transitions, 82 flow. Second operand has 5 states, 5 states have (on average 18.4) internal successors, (92), 5 states have internal predecessors, (92), 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) [2024-11-12 16:13:25,949 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 16:13:25,949 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 47 [2024-11-12 16:13:25,950 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 16:13:26,723 INFO L124 PetriNetUnfolderBase]: 2423/3892 cut-off events. [2024-11-12 16:13:26,723 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-12 16:13:26,727 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7498 conditions, 3892 events. 2423/3892 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 222. Compared 24907 event pairs, 661 based on Foata normal form. 0/3808 useless extension candidates. Maximal degree in co-relation 7492. Up to 1372 conditions per place. [2024-11-12 16:13:26,735 INFO L140 encePairwiseOnDemand]: 41/47 looper letters, 32 selfloop transitions, 2 changer transitions 53/99 dead transitions. [2024-11-12 16:13:26,736 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 99 transitions, 380 flow [2024-11-12 16:13:26,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-12 16:13:26,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-12 16:13:26,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 217 transitions. [2024-11-12 16:13:26,740 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5771276595744681 [2024-11-12 16:13:26,740 INFO L175 Difference]: Start difference. First operand has 47 places, 37 transitions, 82 flow. Second operand 8 states and 217 transitions. [2024-11-12 16:13:26,740 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 99 transitions, 380 flow [2024-11-12 16:13:26,741 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 99 transitions, 379 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-12 16:13:26,742 INFO L231 Difference]: Finished difference. Result has 57 places, 36 transitions, 95 flow [2024-11-12 16:13:26,743 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=81, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=95, PETRI_PLACES=57, PETRI_TRANSITIONS=36} [2024-11-12 16:13:26,744 INFO L279 CegarLoopForPetriNet]: 52 programPoint places, 5 predicate places. [2024-11-12 16:13:26,745 INFO L471 AbstractCegarLoop]: Abstraction has has 57 places, 36 transitions, 95 flow [2024-11-12 16:13:26,745 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 5 states have internal predecessors, (92), 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) [2024-11-12 16:13:26,745 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 16:13:26,745 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:13:26,745 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 16:13:26,745 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-12 16:13:26,746 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:13:26,746 INFO L85 PathProgramCache]: Analyzing trace with hash -1422718442, now seen corresponding path program 1 times [2024-11-12 16:13:26,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:13:26,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051777537] [2024-11-12 16:13:26,747 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:13:26,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:13:26,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:13:27,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:13:27,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:13:27,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051777537] [2024-11-12 16:13:27,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1051777537] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 16:13:27,614 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 16:13:27,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-12 16:13:27,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300874967] [2024-11-12 16:13:27,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 16:13:27,615 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-12 16:13:27,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:13:27,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-12 16:13:27,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-12 16:13:27,619 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 47 [2024-11-12 16:13:27,620 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 36 transitions, 95 flow. Second operand has 9 states, 9 states have (on average 16.666666666666668) internal successors, (150), 9 states have internal predecessors, (150), 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) [2024-11-12 16:13:27,620 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 16:13:27,620 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 47 [2024-11-12 16:13:27,620 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 16:13:28,633 INFO L124 PetriNetUnfolderBase]: 2862/4608 cut-off events. [2024-11-12 16:13:28,633 INFO L125 PetriNetUnfolderBase]: For 546/546 co-relation queries the response was YES. [2024-11-12 16:13:28,641 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9805 conditions, 4608 events. 2862/4608 cut-off events. For 546/546 co-relation queries the response was YES. Maximal size of possible extension queue 228. Compared 28473 event pairs, 299 based on Foata normal form. 75/4665 useless extension candidates. Maximal degree in co-relation 9793. Up to 2719 conditions per place. [2024-11-12 16:13:28,655 INFO L140 encePairwiseOnDemand]: 32/47 looper letters, 49 selfloop transitions, 23 changer transitions 22/105 dead transitions. [2024-11-12 16:13:28,655 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 105 transitions, 430 flow [2024-11-12 16:13:28,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-12 16:13:28,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-12 16:13:28,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 215 transitions. [2024-11-12 16:13:28,657 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5718085106382979 [2024-11-12 16:13:28,657 INFO L175 Difference]: Start difference. First operand has 57 places, 36 transitions, 95 flow. Second operand 8 states and 215 transitions. [2024-11-12 16:13:28,657 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 105 transitions, 430 flow [2024-11-12 16:13:28,679 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 105 transitions, 412 flow, removed 6 selfloop flow, removed 6 redundant places. [2024-11-12 16:13:28,681 INFO L231 Difference]: Finished difference. Result has 57 places, 62 transitions, 244 flow [2024-11-12 16:13:28,681 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=83, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=244, PETRI_PLACES=57, PETRI_TRANSITIONS=62} [2024-11-12 16:13:28,682 INFO L279 CegarLoopForPetriNet]: 52 programPoint places, 5 predicate places. [2024-11-12 16:13:28,682 INFO L471 AbstractCegarLoop]: Abstraction has has 57 places, 62 transitions, 244 flow [2024-11-12 16:13:28,683 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 16.666666666666668) internal successors, (150), 9 states have internal predecessors, (150), 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) [2024-11-12 16:13:28,683 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 16:13:28,683 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:13:28,683 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-12 16:13:28,684 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-12 16:13:28,684 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:13:28,685 INFO L85 PathProgramCache]: Analyzing trace with hash -493432102, now seen corresponding path program 2 times [2024-11-12 16:13:28,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:13:28,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029015316] [2024-11-12 16:13:28,685 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:13:28,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:13:28,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:13:30,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:13:30,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:13:30,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029015316] [2024-11-12 16:13:30,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1029015316] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 16:13:30,026 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 16:13:30,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-12 16:13:30,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191194208] [2024-11-12 16:13:30,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 16:13:30,027 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-12 16:13:30,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:13:30,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-12 16:13:30,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-12 16:13:30,031 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 47 [2024-11-12 16:13:30,031 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 62 transitions, 244 flow. Second operand has 9 states, 9 states have (on average 16.666666666666668) internal successors, (150), 9 states have internal predecessors, (150), 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) [2024-11-12 16:13:30,031 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 16:13:30,031 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 47 [2024-11-12 16:13:30,031 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 16:13:31,102 INFO L124 PetriNetUnfolderBase]: 3224/5191 cut-off events. [2024-11-12 16:13:31,103 INFO L125 PetriNetUnfolderBase]: For 2104/2114 co-relation queries the response was YES. [2024-11-12 16:13:31,112 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14699 conditions, 5191 events. 3224/5191 cut-off events. For 2104/2114 co-relation queries the response was YES. Maximal size of possible extension queue 259. Compared 32368 event pairs, 320 based on Foata normal form. 75/5248 useless extension candidates. Maximal degree in co-relation 14686. Up to 2967 conditions per place. [2024-11-12 16:13:31,129 INFO L140 encePairwiseOnDemand]: 32/47 looper letters, 60 selfloop transitions, 44 changer transitions 22/137 dead transitions. [2024-11-12 16:13:31,130 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 137 transitions, 780 flow [2024-11-12 16:13:31,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-12 16:13:31,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-12 16:13:31,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 241 transitions. [2024-11-12 16:13:31,131 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5697399527186762 [2024-11-12 16:13:31,131 INFO L175 Difference]: Start difference. First operand has 57 places, 62 transitions, 244 flow. Second operand 9 states and 241 transitions. [2024-11-12 16:13:31,131 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 137 transitions, 780 flow [2024-11-12 16:13:31,142 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 137 transitions, 774 flow, removed 3 selfloop flow, removed 2 redundant places. [2024-11-12 16:13:31,143 INFO L231 Difference]: Finished difference. Result has 66 places, 91 transitions, 557 flow [2024-11-12 16:13:31,144 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=240, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=557, PETRI_PLACES=66, PETRI_TRANSITIONS=91} [2024-11-12 16:13:31,144 INFO L279 CegarLoopForPetriNet]: 52 programPoint places, 14 predicate places. [2024-11-12 16:13:31,145 INFO L471 AbstractCegarLoop]: Abstraction has has 66 places, 91 transitions, 557 flow [2024-11-12 16:13:31,145 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 16.666666666666668) internal successors, (150), 9 states have internal predecessors, (150), 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) [2024-11-12 16:13:31,145 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 16:13:31,145 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:13:31,145 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-12 16:13:31,146 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-12 16:13:31,149 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:13:31,149 INFO L85 PathProgramCache]: Analyzing trace with hash -1077433384, now seen corresponding path program 1 times [2024-11-12 16:13:31,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:13:31,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043287280] [2024-11-12 16:13:31,150 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:13:31,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:13:31,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:13:31,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:13:31,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:13:31,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043287280] [2024-11-12 16:13:31,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2043287280] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 16:13:31,818 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 16:13:31,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-12 16:13:31,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307395421] [2024-11-12 16:13:31,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 16:13:31,819 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-12 16:13:31,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:13:31,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-12 16:13:31,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-12 16:13:31,821 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 47 [2024-11-12 16:13:31,822 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 91 transitions, 557 flow. Second operand has 9 states, 9 states have (on average 16.77777777777778) internal successors, (151), 9 states have internal predecessors, (151), 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) [2024-11-12 16:13:31,822 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 16:13:31,822 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 47 [2024-11-12 16:13:31,822 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 16:13:32,861 INFO L124 PetriNetUnfolderBase]: 4360/6972 cut-off events. [2024-11-12 16:13:32,861 INFO L125 PetriNetUnfolderBase]: For 8299/8309 co-relation queries the response was YES. [2024-11-12 16:13:32,874 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24961 conditions, 6972 events. 4360/6972 cut-off events. For 8299/8309 co-relation queries the response was YES. Maximal size of possible extension queue 366. Compared 46017 event pairs, 394 based on Foata normal form. 129/7083 useless extension candidates. Maximal degree in co-relation 24943. Up to 3183 conditions per place. [2024-11-12 16:13:32,891 INFO L140 encePairwiseOnDemand]: 32/47 looper letters, 107 selfloop transitions, 33 changer transitions 46/197 dead transitions. [2024-11-12 16:13:32,891 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 197 transitions, 1514 flow [2024-11-12 16:13:32,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-12 16:13:32,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-12 16:13:32,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 294 transitions. [2024-11-12 16:13:32,893 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5686653771760155 [2024-11-12 16:13:32,893 INFO L175 Difference]: Start difference. First operand has 66 places, 91 transitions, 557 flow. Second operand 11 states and 294 transitions. [2024-11-12 16:13:32,893 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 197 transitions, 1514 flow [2024-11-12 16:13:32,921 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 197 transitions, 1417 flow, removed 8 selfloop flow, removed 5 redundant places. [2024-11-12 16:13:32,924 INFO L231 Difference]: Finished difference. Result has 77 places, 118 transitions, 878 flow [2024-11-12 16:13:32,925 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=500, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=878, PETRI_PLACES=77, PETRI_TRANSITIONS=118} [2024-11-12 16:13:32,926 INFO L279 CegarLoopForPetriNet]: 52 programPoint places, 25 predicate places. [2024-11-12 16:13:32,926 INFO L471 AbstractCegarLoop]: Abstraction has has 77 places, 118 transitions, 878 flow [2024-11-12 16:13:32,927 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 16.77777777777778) internal successors, (151), 9 states have internal predecessors, (151), 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) [2024-11-12 16:13:32,927 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 16:13:32,927 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:13:32,928 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-12 16:13:32,928 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-12 16:13:32,928 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:13:32,928 INFO L85 PathProgramCache]: Analyzing trace with hash -434974154, now seen corresponding path program 2 times [2024-11-12 16:13:32,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:13:32,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946949125] [2024-11-12 16:13:32,929 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:13:32,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:13:32,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:13:33,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:13:33,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:13:33,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1946949125] [2024-11-12 16:13:33,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1946949125] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 16:13:33,969 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 16:13:33,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-12 16:13:33,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605871897] [2024-11-12 16:13:33,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 16:13:33,970 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-12 16:13:33,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:13:33,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-12 16:13:33,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-12 16:13:33,982 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 47 [2024-11-12 16:13:33,982 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 118 transitions, 878 flow. Second operand has 10 states, 10 states have (on average 16.6) internal successors, (166), 10 states have internal predecessors, (166), 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) [2024-11-12 16:13:33,982 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 16:13:33,982 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 47 [2024-11-12 16:13:33,982 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 16:13:35,198 INFO L124 PetriNetUnfolderBase]: 4283/6888 cut-off events. [2024-11-12 16:13:35,198 INFO L125 PetriNetUnfolderBase]: For 14688/14688 co-relation queries the response was YES. [2024-11-12 16:13:35,217 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27465 conditions, 6888 events. 4283/6888 cut-off events. For 14688/14688 co-relation queries the response was YES. Maximal size of possible extension queue 375. Compared 45840 event pairs, 982 based on Foata normal form. 70/6934 useless extension candidates. Maximal degree in co-relation 27441. Up to 5544 conditions per place. [2024-11-12 16:13:35,238 INFO L140 encePairwiseOnDemand]: 39/47 looper letters, 147 selfloop transitions, 16 changer transitions 35/209 dead transitions. [2024-11-12 16:13:35,238 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 209 transitions, 1910 flow [2024-11-12 16:13:35,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-12 16:13:35,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-12 16:13:35,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 204 transitions. [2024-11-12 16:13:35,240 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5425531914893617 [2024-11-12 16:13:35,240 INFO L175 Difference]: Start difference. First operand has 77 places, 118 transitions, 878 flow. Second operand 8 states and 204 transitions. [2024-11-12 16:13:35,240 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 209 transitions, 1910 flow [2024-11-12 16:13:35,273 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 209 transitions, 1864 flow, removed 8 selfloop flow, removed 4 redundant places. [2024-11-12 16:13:35,276 INFO L231 Difference]: Finished difference. Result has 82 places, 133 transitions, 1078 flow [2024-11-12 16:13:35,276 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=850, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=118, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=103, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1078, PETRI_PLACES=82, PETRI_TRANSITIONS=133} [2024-11-12 16:13:35,276 INFO L279 CegarLoopForPetriNet]: 52 programPoint places, 30 predicate places. [2024-11-12 16:13:35,277 INFO L471 AbstractCegarLoop]: Abstraction has has 82 places, 133 transitions, 1078 flow [2024-11-12 16:13:35,277 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 16.6) internal successors, (166), 10 states have internal predecessors, (166), 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) [2024-11-12 16:13:35,277 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 16:13:35,277 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:13:35,277 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-12 16:13:35,277 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-12 16:13:35,278 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:13:35,278 INFO L85 PathProgramCache]: Analyzing trace with hash -735675559, now seen corresponding path program 1 times [2024-11-12 16:13:35,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:13:35,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182354803] [2024-11-12 16:13:35,278 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:13:35,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:13:35,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:13:35,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:13:35,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:13:35,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182354803] [2024-11-12 16:13:35,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1182354803] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 16:13:35,839 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 16:13:35,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-12 16:13:35,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270720744] [2024-11-12 16:13:35,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 16:13:35,840 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-12 16:13:35,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:13:35,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-12 16:13:35,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-11-12 16:13:35,847 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 47 [2024-11-12 16:13:35,847 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 133 transitions, 1078 flow. Second operand has 10 states, 10 states have (on average 16.6) internal successors, (166), 10 states have internal predecessors, (166), 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) [2024-11-12 16:13:35,847 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 16:13:35,848 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 47 [2024-11-12 16:13:35,848 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 16:13:37,473 INFO L124 PetriNetUnfolderBase]: 6419/10453 cut-off events. [2024-11-12 16:13:37,473 INFO L125 PetriNetUnfolderBase]: For 27826/27830 co-relation queries the response was YES. [2024-11-12 16:13:37,498 INFO L83 FinitePrefix]: Finished finitePrefix Result has 40711 conditions, 10453 events. 6419/10453 cut-off events. For 27826/27830 co-relation queries the response was YES. Maximal size of possible extension queue 573. Compared 75745 event pairs, 1785 based on Foata normal form. 66/10508 useless extension candidates. Maximal degree in co-relation 40683. Up to 4629 conditions per place. [2024-11-12 16:13:37,526 INFO L140 encePairwiseOnDemand]: 33/47 looper letters, 117 selfloop transitions, 52 changer transitions 58/238 dead transitions. [2024-11-12 16:13:37,527 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 238 transitions, 2111 flow [2024-11-12 16:13:37,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-12 16:13:37,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-11-12 16:13:37,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 310 transitions. [2024-11-12 16:13:37,529 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.549645390070922 [2024-11-12 16:13:37,529 INFO L175 Difference]: Start difference. First operand has 82 places, 133 transitions, 1078 flow. Second operand 12 states and 310 transitions. [2024-11-12 16:13:37,529 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 238 transitions, 2111 flow [2024-11-12 16:13:37,584 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 238 transitions, 2049 flow, removed 31 selfloop flow, removed 4 redundant places. [2024-11-12 16:13:37,587 INFO L231 Difference]: Finished difference. Result has 93 places, 143 transitions, 1345 flow [2024-11-12 16:13:37,587 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=1044, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=133, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=42, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=82, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=1345, PETRI_PLACES=93, PETRI_TRANSITIONS=143} [2024-11-12 16:13:37,589 INFO L279 CegarLoopForPetriNet]: 52 programPoint places, 41 predicate places. [2024-11-12 16:13:37,590 INFO L471 AbstractCegarLoop]: Abstraction has has 93 places, 143 transitions, 1345 flow [2024-11-12 16:13:37,590 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 16.6) internal successors, (166), 10 states have internal predecessors, (166), 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) [2024-11-12 16:13:37,590 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 16:13:37,591 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:13:37,591 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-12 16:13:37,592 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-12 16:13:37,592 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:13:37,592 INFO L85 PathProgramCache]: Analyzing trace with hash -1300750051, now seen corresponding path program 2 times [2024-11-12 16:13:37,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:13:37,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194230048] [2024-11-12 16:13:37,593 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:13:37,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:13:37,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:13:37,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:13:37,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:13:37,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194230048] [2024-11-12 16:13:37,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1194230048] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 16:13:37,743 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 16:13:37,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 16:13:37,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714091990] [2024-11-12 16:13:37,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 16:13:37,744 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 16:13:37,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:13:37,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 16:13:37,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 16:13:37,751 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 47 [2024-11-12 16:13:37,752 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 143 transitions, 1345 flow. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 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) [2024-11-12 16:13:37,752 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 16:13:37,752 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 47 [2024-11-12 16:13:37,752 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 16:13:39,594 INFO L124 PetriNetUnfolderBase]: 9948/15419 cut-off events. [2024-11-12 16:13:39,594 INFO L125 PetriNetUnfolderBase]: For 77011/77309 co-relation queries the response was YES. [2024-11-12 16:13:39,643 INFO L83 FinitePrefix]: Finished finitePrefix Result has 64782 conditions, 15419 events. 9948/15419 cut-off events. For 77011/77309 co-relation queries the response was YES. Maximal size of possible extension queue 666. Compared 103758 event pairs, 1088 based on Foata normal form. 917/16280 useless extension candidates. Maximal degree in co-relation 64748. Up to 7730 conditions per place. [2024-11-12 16:13:39,701 INFO L140 encePairwiseOnDemand]: 41/47 looper letters, 201 selfloop transitions, 5 changer transitions 6/239 dead transitions. [2024-11-12 16:13:39,701 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 239 transitions, 2572 flow [2024-11-12 16:13:39,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 16:13:39,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-12 16:13:39,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 115 transitions. [2024-11-12 16:13:39,703 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6117021276595744 [2024-11-12 16:13:39,703 INFO L175 Difference]: Start difference. First operand has 93 places, 143 transitions, 1345 flow. Second operand 4 states and 115 transitions. [2024-11-12 16:13:39,703 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 239 transitions, 2572 flow [2024-11-12 16:13:39,910 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 239 transitions, 2493 flow, removed 18 selfloop flow, removed 6 redundant places. [2024-11-12 16:13:39,912 INFO L231 Difference]: Finished difference. Result has 86 places, 138 transitions, 1229 flow [2024-11-12 16:13:39,913 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=1191, PETRI_DIFFERENCE_MINUEND_PLACES=81, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=134, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=129, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=1229, PETRI_PLACES=86, PETRI_TRANSITIONS=138} [2024-11-12 16:13:39,913 INFO L279 CegarLoopForPetriNet]: 52 programPoint places, 34 predicate places. [2024-11-12 16:13:39,913 INFO L471 AbstractCegarLoop]: Abstraction has has 86 places, 138 transitions, 1229 flow [2024-11-12 16:13:39,913 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 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) [2024-11-12 16:13:39,914 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 16:13:39,914 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:13:39,914 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-12 16:13:39,914 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-12 16:13:39,914 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:13:39,915 INFO L85 PathProgramCache]: Analyzing trace with hash 1636569368, now seen corresponding path program 1 times [2024-11-12 16:13:39,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:13:39,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845427469] [2024-11-12 16:13:39,915 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:13:39,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:13:39,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:13:40,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:13:40,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:13:40,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845427469] [2024-11-12 16:13:40,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1845427469] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 16:13:40,157 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 16:13:40,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 16:13:40,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946426265] [2024-11-12 16:13:40,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 16:13:40,157 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 16:13:40,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:13:40,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 16:13:40,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-12 16:13:40,170 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 47 [2024-11-12 16:13:40,170 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 138 transitions, 1229 flow. Second operand has 5 states, 5 states have (on average 16.6) internal successors, (83), 5 states have internal predecessors, (83), 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) [2024-11-12 16:13:40,171 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 16:13:40,171 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 47 [2024-11-12 16:13:40,171 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 16:13:41,392 INFO L124 PetriNetUnfolderBase]: 7215/11376 cut-off events. [2024-11-12 16:13:41,392 INFO L125 PetriNetUnfolderBase]: For 44695/44909 co-relation queries the response was YES. [2024-11-12 16:13:41,434 INFO L83 FinitePrefix]: Finished finitePrefix Result has 47684 conditions, 11376 events. 7215/11376 cut-off events. For 44695/44909 co-relation queries the response was YES. Maximal size of possible extension queue 484. Compared 74697 event pairs, 818 based on Foata normal form. 662/12006 useless extension candidates. Maximal degree in co-relation 47651. Up to 4065 conditions per place. [2024-11-12 16:13:41,462 INFO L140 encePairwiseOnDemand]: 41/47 looper letters, 163 selfloop transitions, 8 changer transitions 9/202 dead transitions. [2024-11-12 16:13:41,463 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 202 transitions, 2063 flow [2024-11-12 16:13:41,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 16:13:41,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-12 16:13:41,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 147 transitions. [2024-11-12 16:13:41,465 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.625531914893617 [2024-11-12 16:13:41,465 INFO L175 Difference]: Start difference. First operand has 86 places, 138 transitions, 1229 flow. Second operand 5 states and 147 transitions. [2024-11-12 16:13:41,465 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 202 transitions, 2063 flow [2024-11-12 16:13:41,535 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 89 places, 202 transitions, 2060 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-12 16:13:41,537 INFO L231 Difference]: Finished difference. Result has 91 places, 108 transitions, 957 flow [2024-11-12 16:13:41,537 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=918, PETRI_DIFFERENCE_MINUEND_PLACES=85, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=106, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=98, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=957, PETRI_PLACES=91, PETRI_TRANSITIONS=108} [2024-11-12 16:13:41,537 INFO L279 CegarLoopForPetriNet]: 52 programPoint places, 39 predicate places. [2024-11-12 16:13:41,538 INFO L471 AbstractCegarLoop]: Abstraction has has 91 places, 108 transitions, 957 flow [2024-11-12 16:13:41,538 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 5 states have internal predecessors, (83), 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) [2024-11-12 16:13:41,538 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 16:13:41,538 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:13:41,538 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-12 16:13:41,538 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-12 16:13:41,538 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:13:41,538 INFO L85 PathProgramCache]: Analyzing trace with hash 1705949052, now seen corresponding path program 1 times [2024-11-12 16:13:41,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:13:41,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91865771] [2024-11-12 16:13:41,539 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:13:41,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:13:41,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:13:43,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:13:43,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:13:43,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91865771] [2024-11-12 16:13:43,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [91865771] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 16:13:43,139 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 16:13:43,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-12 16:13:43,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122121156] [2024-11-12 16:13:43,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 16:13:43,139 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-12 16:13:43,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:13:43,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-12 16:13:43,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-11-12 16:13:43,144 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 47 [2024-11-12 16:13:43,144 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 108 transitions, 957 flow. Second operand has 11 states, 11 states have (on average 16.727272727272727) internal successors, (184), 11 states have internal predecessors, (184), 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) [2024-11-12 16:13:43,145 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 16:13:43,145 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 47 [2024-11-12 16:13:43,145 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 16:13:44,701 INFO L124 PetriNetUnfolderBase]: 6166/11210 cut-off events. [2024-11-12 16:13:44,701 INFO L125 PetriNetUnfolderBase]: For 46111/47787 co-relation queries the response was YES. [2024-11-12 16:13:44,751 INFO L83 FinitePrefix]: Finished finitePrefix Result has 47547 conditions, 11210 events. 6166/11210 cut-off events. For 46111/47787 co-relation queries the response was YES. Maximal size of possible extension queue 682. Compared 91312 event pairs, 1055 based on Foata normal form. 349/10907 useless extension candidates. Maximal degree in co-relation 47511. Up to 4942 conditions per place. [2024-11-12 16:13:44,779 INFO L140 encePairwiseOnDemand]: 33/47 looper letters, 83 selfloop transitions, 41 changer transitions 45/188 dead transitions. [2024-11-12 16:13:44,779 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 188 transitions, 2042 flow [2024-11-12 16:13:44,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-12 16:13:44,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-12 16:13:44,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 246 transitions. [2024-11-12 16:13:44,780 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5234042553191489 [2024-11-12 16:13:44,780 INFO L175 Difference]: Start difference. First operand has 91 places, 108 transitions, 957 flow. Second operand 10 states and 246 transitions. [2024-11-12 16:13:44,781 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 188 transitions, 2042 flow [2024-11-12 16:13:44,854 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 188 transitions, 2030 flow, removed 3 selfloop flow, removed 2 redundant places. [2024-11-12 16:13:44,856 INFO L231 Difference]: Finished difference. Result has 104 places, 119 transitions, 1305 flow [2024-11-12 16:13:44,857 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=945, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=108, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1305, PETRI_PLACES=104, PETRI_TRANSITIONS=119} [2024-11-12 16:13:44,857 INFO L279 CegarLoopForPetriNet]: 52 programPoint places, 52 predicate places. [2024-11-12 16:13:44,857 INFO L471 AbstractCegarLoop]: Abstraction has has 104 places, 119 transitions, 1305 flow [2024-11-12 16:13:44,857 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 16.727272727272727) internal successors, (184), 11 states have internal predecessors, (184), 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) [2024-11-12 16:13:44,857 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 16:13:44,857 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:13:44,858 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-12 16:13:44,858 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-12 16:13:44,858 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:13:44,858 INFO L85 PathProgramCache]: Analyzing trace with hash 1291562878, now seen corresponding path program 2 times [2024-11-12 16:13:44,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:13:44,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141346765] [2024-11-12 16:13:44,858 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:13:44,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:13:44,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:13:46,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:13:46,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:13:46,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1141346765] [2024-11-12 16:13:46,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1141346765] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 16:13:46,094 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 16:13:46,094 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-12 16:13:46,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890360240] [2024-11-12 16:13:46,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 16:13:46,095 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-12 16:13:46,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:13:46,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-12 16:13:46,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2024-11-12 16:13:46,099 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 47 [2024-11-12 16:13:46,099 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 119 transitions, 1305 flow. Second operand has 11 states, 11 states have (on average 16.727272727272727) internal successors, (184), 11 states have internal predecessors, (184), 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) [2024-11-12 16:13:46,099 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 16:13:46,099 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 47 [2024-11-12 16:13:46,099 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 16:13:48,171 INFO L124 PetriNetUnfolderBase]: 9097/16587 cut-off events. [2024-11-12 16:13:48,171 INFO L125 PetriNetUnfolderBase]: For 81460/83523 co-relation queries the response was YES. [2024-11-12 16:13:48,230 INFO L83 FinitePrefix]: Finished finitePrefix Result has 73635 conditions, 16587 events. 9097/16587 cut-off events. For 81460/83523 co-relation queries the response was YES. Maximal size of possible extension queue 1116. Compared 147671 event pairs, 3206 based on Foata normal form. 501/15883 useless extension candidates. Maximal degree in co-relation 73593. Up to 7163 conditions per place. [2024-11-12 16:13:48,260 INFO L140 encePairwiseOnDemand]: 36/47 looper letters, 116 selfloop transitions, 45 changer transitions 58/238 dead transitions. [2024-11-12 16:13:48,260 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 110 places, 238 transitions, 2848 flow [2024-11-12 16:13:48,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-12 16:13:48,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-12 16:13:48,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 282 transitions. [2024-11-12 16:13:48,261 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5454545454545454 [2024-11-12 16:13:48,262 INFO L175 Difference]: Start difference. First operand has 104 places, 119 transitions, 1305 flow. Second operand 11 states and 282 transitions. [2024-11-12 16:13:48,262 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 110 places, 238 transitions, 2848 flow [2024-11-12 16:13:48,462 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 238 transitions, 2573 flow, removed 84 selfloop flow, removed 12 redundant places. [2024-11-12 16:13:48,464 INFO L231 Difference]: Finished difference. Result has 105 places, 134 transitions, 1472 flow [2024-11-12 16:13:48,465 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=1136, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=119, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=30, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=77, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1472, PETRI_PLACES=105, PETRI_TRANSITIONS=134} [2024-11-12 16:13:48,465 INFO L279 CegarLoopForPetriNet]: 52 programPoint places, 53 predicate places. [2024-11-12 16:13:48,465 INFO L471 AbstractCegarLoop]: Abstraction has has 105 places, 134 transitions, 1472 flow [2024-11-12 16:13:48,465 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 16.727272727272727) internal successors, (184), 11 states have internal predecessors, (184), 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) [2024-11-12 16:13:48,465 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 16:13:48,465 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:13:48,465 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-12 16:13:48,465 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-12 16:13:48,466 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:13:48,466 INFO L85 PathProgramCache]: Analyzing trace with hash -1330810326, now seen corresponding path program 3 times [2024-11-12 16:13:48,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:13:48,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092839232] [2024-11-12 16:13:48,466 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:13:48,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:13:48,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:13:50,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:13:50,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:13:50,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092839232] [2024-11-12 16:13:50,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2092839232] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 16:13:50,669 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 16:13:50,670 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-12 16:13:50,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876412051] [2024-11-12 16:13:50,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 16:13:50,670 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-12 16:13:50,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:13:50,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-12 16:13:50,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-12 16:13:50,682 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 47 [2024-11-12 16:13:50,682 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 134 transitions, 1472 flow. Second operand has 12 states, 12 states have (on average 16.583333333333332) internal successors, (199), 12 states have internal predecessors, (199), 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) [2024-11-12 16:13:50,682 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 16:13:50,682 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 47 [2024-11-12 16:13:50,682 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 16:13:53,238 INFO L124 PetriNetUnfolderBase]: 8246/14998 cut-off events. [2024-11-12 16:13:53,238 INFO L125 PetriNetUnfolderBase]: For 79583/81650 co-relation queries the response was YES. [2024-11-12 16:13:53,299 INFO L83 FinitePrefix]: Finished finitePrefix Result has 67879 conditions, 14998 events. 8246/14998 cut-off events. For 79583/81650 co-relation queries the response was YES. Maximal size of possible extension queue 1009. Compared 129759 event pairs, 890 based on Foata normal form. 428/14501 useless extension candidates. Maximal degree in co-relation 67836. Up to 4810 conditions per place. [2024-11-12 16:13:53,337 INFO L140 encePairwiseOnDemand]: 33/47 looper letters, 108 selfloop transitions, 74 changer transitions 20/221 dead transitions. [2024-11-12 16:13:53,337 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 110 places, 221 transitions, 2741 flow [2024-11-12 16:13:53,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-12 16:13:53,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-12 16:13:53,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 258 transitions. [2024-11-12 16:13:53,338 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.548936170212766 [2024-11-12 16:13:53,339 INFO L175 Difference]: Start difference. First operand has 105 places, 134 transitions, 1472 flow. Second operand 10 states and 258 transitions. [2024-11-12 16:13:53,339 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 110 places, 221 transitions, 2741 flow [2024-11-12 16:13:53,459 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 103 places, 221 transitions, 2623 flow, removed 38 selfloop flow, removed 7 redundant places. [2024-11-12 16:13:53,461 INFO L231 Difference]: Finished difference. Result has 107 places, 163 transitions, 2015 flow [2024-11-12 16:13:53,462 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=1378, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=134, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=48, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=78, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=2015, PETRI_PLACES=107, PETRI_TRANSITIONS=163} [2024-11-12 16:13:53,462 INFO L279 CegarLoopForPetriNet]: 52 programPoint places, 55 predicate places. [2024-11-12 16:13:53,462 INFO L471 AbstractCegarLoop]: Abstraction has has 107 places, 163 transitions, 2015 flow [2024-11-12 16:13:53,462 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 16.583333333333332) internal successors, (199), 12 states have internal predecessors, (199), 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) [2024-11-12 16:13:53,462 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 16:13:53,462 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:13:53,462 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-12 16:13:53,462 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-12 16:13:53,463 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:13:53,463 INFO L85 PathProgramCache]: Analyzing trace with hash -707507542, now seen corresponding path program 4 times [2024-11-12 16:13:53,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:13:53,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147329056] [2024-11-12 16:13:53,463 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:13:53,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:13:53,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:13:53,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:13:53,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:13:53,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147329056] [2024-11-12 16:13:53,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1147329056] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 16:13:53,651 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 16:13:53,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 16:13:53,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198111721] [2024-11-12 16:13:53,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 16:13:53,652 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 16:13:53,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:13:53,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 16:13:53,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-12 16:13:53,657 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 47 [2024-11-12 16:13:53,657 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 107 places, 163 transitions, 2015 flow. Second operand has 6 states, 6 states have (on average 16.5) internal successors, (99), 6 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:13:53,657 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 16:13:53,657 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 47 [2024-11-12 16:13:53,657 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 16:13:55,851 INFO L124 PetriNetUnfolderBase]: 12911/20480 cut-off events. [2024-11-12 16:13:55,851 INFO L125 PetriNetUnfolderBase]: For 167323/167871 co-relation queries the response was YES. [2024-11-12 16:13:55,945 INFO L83 FinitePrefix]: Finished finitePrefix Result has 103913 conditions, 20480 events. 12911/20480 cut-off events. For 167323/167871 co-relation queries the response was YES. Maximal size of possible extension queue 1079. Compared 151798 event pairs, 1550 based on Foata normal form. 864/21318 useless extension candidates. Maximal degree in co-relation 103871. Up to 8293 conditions per place. [2024-11-12 16:13:55,978 INFO L140 encePairwiseOnDemand]: 41/47 looper letters, 122 selfloop transitions, 11 changer transitions 107/277 dead transitions. [2024-11-12 16:13:55,978 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 110 places, 277 transitions, 3727 flow [2024-11-12 16:13:55,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 16:13:55,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-12 16:13:55,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 153 transitions. [2024-11-12 16:13:55,979 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5425531914893617 [2024-11-12 16:13:55,979 INFO L175 Difference]: Start difference. First operand has 107 places, 163 transitions, 2015 flow. Second operand 6 states and 153 transitions. [2024-11-12 16:13:55,979 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 110 places, 277 transitions, 3727 flow [2024-11-12 16:13:56,704 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 102 places, 277 transitions, 3326 flow, removed 142 selfloop flow, removed 8 redundant places. [2024-11-12 16:13:56,706 INFO L231 Difference]: Finished difference. Result has 104 places, 114 transitions, 1324 flow [2024-11-12 16:13:56,706 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=1709, PETRI_DIFFERENCE_MINUEND_PLACES=97, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=158, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=147, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1324, PETRI_PLACES=104, PETRI_TRANSITIONS=114} [2024-11-12 16:13:56,707 INFO L279 CegarLoopForPetriNet]: 52 programPoint places, 52 predicate places. [2024-11-12 16:13:56,707 INFO L471 AbstractCegarLoop]: Abstraction has has 104 places, 114 transitions, 1324 flow [2024-11-12 16:13:56,707 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.5) internal successors, (99), 6 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:13:56,707 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 16:13:56,707 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:13:56,707 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-12 16:13:56,707 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-12 16:13:56,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:13:56,708 INFO L85 PathProgramCache]: Analyzing trace with hash -1223552245, now seen corresponding path program 1 times [2024-11-12 16:13:56,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:13:56,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829533975] [2024-11-12 16:13:56,708 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:13:56,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:13:56,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:13:56,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:13:56,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:13:56,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829533975] [2024-11-12 16:13:56,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [829533975] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 16:13:56,921 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 16:13:56,921 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-12 16:13:56,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093673297] [2024-11-12 16:13:56,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 16:13:56,922 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 16:13:56,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:13:56,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 16:13:56,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-12 16:13:56,923 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 47 [2024-11-12 16:13:56,923 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 114 transitions, 1324 flow. Second operand has 6 states, 6 states have (on average 17.833333333333332) internal successors, (107), 6 states have internal predecessors, (107), 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) [2024-11-12 16:13:56,923 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 16:13:56,924 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 47 [2024-11-12 16:13:56,924 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 16:13:57,759 INFO L124 PetriNetUnfolderBase]: 3241/6421 cut-off events. [2024-11-12 16:13:57,759 INFO L125 PetriNetUnfolderBase]: For 34562/36149 co-relation queries the response was YES. [2024-11-12 16:13:57,786 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27931 conditions, 6421 events. 3241/6421 cut-off events. For 34562/36149 co-relation queries the response was YES. Maximal size of possible extension queue 553. Compared 53712 event pairs, 416 based on Foata normal form. 272/6136 useless extension candidates. Maximal degree in co-relation 27893. Up to 2388 conditions per place. [2024-11-12 16:13:57,794 INFO L140 encePairwiseOnDemand]: 42/47 looper letters, 35 selfloop transitions, 1 changer transitions 95/152 dead transitions. [2024-11-12 16:13:57,794 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 152 transitions, 1827 flow [2024-11-12 16:13:57,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 16:13:57,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-12 16:13:57,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 142 transitions. [2024-11-12 16:13:57,799 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5035460992907801 [2024-11-12 16:13:57,799 INFO L175 Difference]: Start difference. First operand has 104 places, 114 transitions, 1324 flow. Second operand 6 states and 142 transitions. [2024-11-12 16:13:57,799 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 152 transitions, 1827 flow [2024-11-12 16:13:57,920 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 152 transitions, 1653 flow, removed 65 selfloop flow, removed 6 redundant places. [2024-11-12 16:13:57,922 INFO L231 Difference]: Finished difference. Result has 105 places, 52 transitions, 410 flow [2024-11-12 16:13:57,922 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=1175, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=114, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=410, PETRI_PLACES=105, PETRI_TRANSITIONS=52} [2024-11-12 16:13:57,922 INFO L279 CegarLoopForPetriNet]: 52 programPoint places, 53 predicate places. [2024-11-12 16:13:57,922 INFO L471 AbstractCegarLoop]: Abstraction has has 105 places, 52 transitions, 410 flow [2024-11-12 16:13:57,922 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.833333333333332) internal successors, (107), 6 states have internal predecessors, (107), 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) [2024-11-12 16:13:57,923 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 16:13:57,923 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:13:57,923 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-12 16:13:57,923 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-12 16:13:57,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:13:57,923 INFO L85 PathProgramCache]: Analyzing trace with hash -1808653159, now seen corresponding path program 2 times [2024-11-12 16:13:57,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:13:57,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955499682] [2024-11-12 16:13:57,924 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:13:57,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:13:57,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:13:59,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:13:59,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:13:59,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955499682] [2024-11-12 16:13:59,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1955499682] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 16:13:59,910 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 16:13:59,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-12 16:13:59,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38929088] [2024-11-12 16:13:59,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 16:13:59,911 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-12 16:13:59,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:13:59,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-12 16:13:59,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-11-12 16:13:59,913 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 47 [2024-11-12 16:13:59,914 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 52 transitions, 410 flow. Second operand has 12 states, 12 states have (on average 16.833333333333332) internal successors, (202), 12 states have internal predecessors, (202), 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) [2024-11-12 16:13:59,914 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 16:13:59,914 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 47 [2024-11-12 16:13:59,914 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 16:14:00,421 INFO L124 PetriNetUnfolderBase]: 843/1753 cut-off events. [2024-11-12 16:14:00,421 INFO L125 PetriNetUnfolderBase]: For 4691/5260 co-relation queries the response was YES. [2024-11-12 16:14:00,427 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6995 conditions, 1753 events. 843/1753 cut-off events. For 4691/5260 co-relation queries the response was YES. Maximal size of possible extension queue 188. Compared 12275 event pairs, 65 based on Foata normal form. 55/1641 useless extension candidates. Maximal degree in co-relation 6964. Up to 442 conditions per place. [2024-11-12 16:14:00,429 INFO L140 encePairwiseOnDemand]: 37/47 looper letters, 0 selfloop transitions, 0 changer transitions 80/80 dead transitions. [2024-11-12 16:14:00,429 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 105 places, 80 transitions, 681 flow [2024-11-12 16:14:00,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-12 16:14:00,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-12 16:14:00,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 210 transitions. [2024-11-12 16:14:00,430 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.44680851063829785 [2024-11-12 16:14:00,430 INFO L175 Difference]: Start difference. First operand has 105 places, 52 transitions, 410 flow. Second operand 10 states and 210 transitions. [2024-11-12 16:14:00,430 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 105 places, 80 transitions, 681 flow [2024-11-12 16:14:00,437 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 78 places, 80 transitions, 565 flow, removed 10 selfloop flow, removed 27 redundant places. [2024-11-12 16:14:00,438 INFO L231 Difference]: Finished difference. Result has 78 places, 0 transitions, 0 flow [2024-11-12 16:14:00,438 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=302, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=49, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=0, PETRI_PLACES=78, PETRI_TRANSITIONS=0} [2024-11-12 16:14:00,438 INFO L279 CegarLoopForPetriNet]: 52 programPoint places, 26 predicate places. [2024-11-12 16:14:00,438 INFO L471 AbstractCegarLoop]: Abstraction has has 78 places, 0 transitions, 0 flow [2024-11-12 16:14:00,439 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 16.833333333333332) internal successors, (202), 12 states have internal predecessors, (202), 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) [2024-11-12 16:14:00,441 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONMEMORY_LEAK (6 of 7 remaining) [2024-11-12 16:14:00,441 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (5 of 7 remaining) [2024-11-12 16:14:00,441 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (4 of 7 remaining) [2024-11-12 16:14:00,441 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 7 remaining) [2024-11-12 16:14:00,441 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 7 remaining) [2024-11-12 16:14:00,441 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 7 remaining) [2024-11-12 16:14:00,442 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONMEMORY_LEAK (0 of 7 remaining) [2024-11-12 16:14:00,442 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-12 16:14:00,442 INFO L421 BasicCegarLoop]: Path program histogram: [4, 2, 2, 2, 2, 1, 1, 1, 1] [2024-11-12 16:14:00,446 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-12 16:14:00,446 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-12 16:14:00,449 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 04:14:00 BasicIcfg [2024-11-12 16:14:00,449 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-12 16:14:00,450 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-12 16:14:00,450 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-12 16:14:00,450 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-12 16:14:00,450 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 04:13:23" (3/4) ... [2024-11-12 16:14:00,451 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-12 16:14:00,453 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-11-12 16:14:00,453 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-11-12 16:14:00,453 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2024-11-12 16:14:00,457 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 92 nodes and edges [2024-11-12 16:14:00,457 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2024-11-12 16:14:00,457 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-12 16:14:00,457 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-12 16:14:00,520 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-12 16:14:00,520 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-12 16:14:00,520 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-12 16:14:00,521 INFO L158 Benchmark]: Toolchain (without parser) took 38155.72ms. Allocated memory was 161.5MB in the beginning and 3.0GB in the end (delta: 2.8GB). Free memory was 125.9MB in the beginning and 1.9GB in the end (delta: -1.8GB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. [2024-11-12 16:14:00,521 INFO L158 Benchmark]: CDTParser took 0.59ms. Allocated memory is still 109.1MB. Free memory is still 79.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 16:14:00,521 INFO L158 Benchmark]: CACSL2BoogieTranslator took 486.65ms. Allocated memory is still 161.5MB. Free memory was 125.9MB in the beginning and 95.5MB in the end (delta: 30.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-11-12 16:14:00,522 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.23ms. Allocated memory is still 161.5MB. Free memory was 95.5MB in the beginning and 91.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-12 16:14:00,522 INFO L158 Benchmark]: Boogie Preprocessor took 72.68ms. Allocated memory is still 161.5MB. Free memory was 91.3MB in the beginning and 86.0MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-12 16:14:00,522 INFO L158 Benchmark]: RCFGBuilder took 738.70ms. Allocated memory is still 161.5MB. Free memory was 86.0MB in the beginning and 46.8MB in the end (delta: 39.2MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2024-11-12 16:14:00,522 INFO L158 Benchmark]: TraceAbstraction took 36718.22ms. Allocated memory was 161.5MB in the beginning and 3.0GB in the end (delta: 2.8GB). Free memory was 125.6MB in the beginning and 1.9GB in the end (delta: -1.8GB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. [2024-11-12 16:14:00,522 INFO L158 Benchmark]: Witness Printer took 71.04ms. Allocated memory is still 3.0GB. Free memory was 1.9GB in the beginning and 1.9GB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-12 16:14:00,523 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.59ms. Allocated memory is still 109.1MB. Free memory is still 79.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 486.65ms. Allocated memory is still 161.5MB. Free memory was 125.9MB in the beginning and 95.5MB in the end (delta: 30.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.23ms. Allocated memory is still 161.5MB. Free memory was 95.5MB in the beginning and 91.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.68ms. Allocated memory is still 161.5MB. Free memory was 91.3MB in the beginning and 86.0MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 738.70ms. Allocated memory is still 161.5MB. Free memory was 86.0MB in the beginning and 46.8MB in the end (delta: 39.2MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * TraceAbstraction took 36718.22ms. Allocated memory was 161.5MB in the beginning and 3.0GB in the end (delta: 2.8GB). Free memory was 125.6MB in the beginning and 1.9GB in the end (delta: -1.8GB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. * Witness Printer took 71.04ms. Allocated memory is still 3.0GB. Free memory was 1.9GB in the beginning and 1.9GB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. 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: 866]: 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 7 procedures, 74 locations, 7 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: 36.6s, OverallIterations: 16, TraceHistogramMax: 1, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 23.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1080 SdHoareTripleChecker+Valid, 4.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1064 mSDsluCounter, 182 SdHoareTripleChecker+Invalid, 4.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 144 mSDsCounter, 321 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4312 IncrementalHoareTripleChecker+Invalid, 4633 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 321 mSolverCounterUnsat, 38 mSDtfsCounter, 4312 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 163 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 143 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2015occurred in iteration=13, InterpolantAutomatonStates: 124, 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, 0.5s SatisfiabilityAnalysisTime, 12.3s InterpolantComputationTime, 355 NumberOfCodeBlocks, 355 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 339 ConstructedInterpolants, 0 QuantifiedInterpolants, 3302 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 16 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! [2024-11-12 16:14:00,548 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