./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/pthread-wmm/safe012_tso.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/pthread-wmm/safe012_tso.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8ab6224550afdc7bd147a853b67470808fdf25e83f86b697677572dc7a8a62dd --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 21:30:59,766 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 21:30:59,830 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-11-22 21:30:59,836 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 21:30:59,839 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 21:30:59,864 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 21:30:59,865 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 21:30:59,865 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 21:30:59,866 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 21:30:59,867 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 21:30:59,867 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 21:30:59,868 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 21:30:59,868 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 21:30:59,869 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 21:30:59,869 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 21:30:59,871 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 21:30:59,871 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 21:30:59,871 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 21:30:59,872 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 21:30:59,872 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 21:30:59,872 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-22 21:30:59,872 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-22 21:30:59,873 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-22 21:30:59,873 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 21:30:59,873 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-22 21:30:59,874 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 21:30:59,874 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-22 21:30:59,877 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 21:30:59,877 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 21:30:59,878 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 21:30:59,878 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 21:30:59,878 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 21:30:59,878 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 21:30:59,878 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 21:30:59,879 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 21:30:59,879 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 21:30:59,879 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 21:30:59,879 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 21:30:59,879 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 21:30:59,879 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 21:30:59,880 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 21:30:59,881 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 21:30:59,881 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8ab6224550afdc7bd147a853b67470808fdf25e83f86b697677572dc7a8a62dd [2024-11-22 21:31:00,081 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 21:31:00,103 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 21:31:00,105 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 21:31:00,105 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 21:31:00,106 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 21:31:00,107 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe012_tso.i [2024-11-22 21:31:01,533 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 21:31:01,869 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 21:31:01,869 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe012_tso.i [2024-11-22 21:31:01,879 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f12822a8/285507e05d394a68bf246de8239e7056/FLAGa7732208c [2024-11-22 21:31:02,119 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f12822a8/285507e05d394a68bf246de8239e7056 [2024-11-22 21:31:02,121 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 21:31:02,122 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 21:31:02,123 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 21:31:02,123 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 21:31:02,128 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 21:31:02,128 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 09:31:02" (1/1) ... [2024-11-22 21:31:02,129 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@267d79d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:31:02, skipping insertion in model container [2024-11-22 21:31:02,129 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 09:31:02" (1/1) ... [2024-11-22 21:31:02,159 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 21:31:02,444 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 21:31:02,454 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 21:31:02,497 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 21:31:02,530 INFO L204 MainTranslator]: Completed translation [2024-11-22 21:31:02,531 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:31:02 WrapperNode [2024-11-22 21:31:02,531 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 21:31:02,532 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 21:31:02,532 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 21:31:02,533 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 21:31:02,538 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:31:02" (1/1) ... [2024-11-22 21:31:02,550 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:31:02" (1/1) ... [2024-11-22 21:31:02,569 INFO L138 Inliner]: procedures = 175, calls = 42, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 61 [2024-11-22 21:31:02,569 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 21:31:02,570 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 21:31:02,570 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 21:31:02,570 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 21:31:02,578 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:31:02" (1/1) ... [2024-11-22 21:31:02,578 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:31:02" (1/1) ... [2024-11-22 21:31:02,582 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:31:02" (1/1) ... [2024-11-22 21:31:02,601 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-22 21:31:02,605 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:31:02" (1/1) ... [2024-11-22 21:31:02,606 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:31:02" (1/1) ... [2024-11-22 21:31:02,609 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:31:02" (1/1) ... [2024-11-22 21:31:02,610 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:31:02" (1/1) ... [2024-11-22 21:31:02,615 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:31:02" (1/1) ... [2024-11-22 21:31:02,616 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:31:02" (1/1) ... [2024-11-22 21:31:02,617 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 21:31:02,618 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 21:31:02,622 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 21:31:02,622 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 21:31:02,623 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:31:02" (1/1) ... [2024-11-22 21:31:02,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 21:31:02,640 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 21:31:02,661 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-22 21:31:02,663 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-22 21:31:02,705 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-22 21:31:02,705 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 21:31:02,705 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-22 21:31:02,705 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-22 21:31:02,705 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-22 21:31:02,705 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-22 21:31:02,706 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-22 21:31:02,706 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-22 21:31:02,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 21:31:02,706 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-22 21:31:02,706 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 21:31:02,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 21:31:02,708 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-22 21:31:02,842 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 21:31:02,845 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 21:31:02,986 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-22 21:31:02,986 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 21:31:03,061 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 21:31:03,062 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-22 21:31:03,062 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 09:31:03 BoogieIcfgContainer [2024-11-22 21:31:03,064 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 21:31:03,066 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 21:31:03,066 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 21:31:03,068 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 21:31:03,068 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 09:31:02" (1/3) ... [2024-11-22 21:31:03,069 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6350af76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 09:31:03, skipping insertion in model container [2024-11-22 21:31:03,069 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:31:02" (2/3) ... [2024-11-22 21:31:03,070 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6350af76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 09:31:03, skipping insertion in model container [2024-11-22 21:31:03,070 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 09:31:03" (3/3) ... [2024-11-22 21:31:03,071 INFO L112 eAbstractionObserver]: Analyzing ICFG safe012_tso.i [2024-11-22 21:31:03,084 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 21:31:03,085 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-22 21:31:03,085 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-22 21:31:03,124 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-22 21:31:03,152 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 51 places, 43 transitions, 98 flow [2024-11-22 21:31:03,183 INFO L124 PetriNetUnfolderBase]: 2/40 cut-off events. [2024-11-22 21:31:03,187 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-22 21:31:03,189 INFO L83 FinitePrefix]: Finished finitePrefix Result has 50 conditions, 40 events. 2/40 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 70 event pairs, 0 based on Foata normal form. 0/36 useless extension candidates. Maximal degree in co-relation 42. Up to 2 conditions per place. [2024-11-22 21:31:03,189 INFO L82 GeneralOperation]: Start removeDead. Operand has 51 places, 43 transitions, 98 flow [2024-11-22 21:31:03,192 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 47 places, 39 transitions, 87 flow [2024-11-22 21:31:03,201 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 21:31:03,206 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;@73039406, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 21:31:03,206 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-11-22 21:31:03,215 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-22 21:31:03,215 INFO L124 PetriNetUnfolderBase]: 2/37 cut-off events. [2024-11-22 21:31:03,215 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-22 21:31:03,215 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 21:31:03,215 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 21:31:03,219 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-22 21:31:03,223 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:31:03,223 INFO L85 PathProgramCache]: Analyzing trace with hash -1386395418, now seen corresponding path program 1 times [2024-11-22 21:31:03,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:31:03,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238900823] [2024-11-22 21:31:03,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:31:03,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:31:03,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:31:03,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 21:31:03,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:31:03,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238900823] [2024-11-22 21:31:03,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [238900823] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 21:31:03,461 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 21:31:03,461 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-22 21:31:03,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307022494] [2024-11-22 21:31:03,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 21:31:03,469 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 21:31:03,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:31:03,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 21:31:03,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 21:31:03,494 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 24 out of 43 [2024-11-22 21:31:03,496 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 39 transitions, 87 flow. Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 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) [2024-11-22 21:31:03,496 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 21:31:03,496 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 24 of 43 [2024-11-22 21:31:03,497 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 21:31:03,567 INFO L124 PetriNetUnfolderBase]: 75/219 cut-off events. [2024-11-22 21:31:03,567 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-22 21:31:03,574 INFO L83 FinitePrefix]: Finished finitePrefix Result has 374 conditions, 219 events. 75/219 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 1156 event pairs, 75 based on Foata normal form. 24/224 useless extension candidates. Maximal degree in co-relation 363. Up to 136 conditions per place. [2024-11-22 21:31:03,576 INFO L140 encePairwiseOnDemand]: 39/43 looper letters, 12 selfloop transitions, 1 changer transitions 1/35 dead transitions. [2024-11-22 21:31:03,576 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 35 transitions, 107 flow [2024-11-22 21:31:03,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 21:31:03,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 21:31:03,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 89 transitions. [2024-11-22 21:31:03,587 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.689922480620155 [2024-11-22 21:31:03,588 INFO L175 Difference]: Start difference. First operand has 47 places, 39 transitions, 87 flow. Second operand 3 states and 89 transitions. [2024-11-22 21:31:03,590 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 35 transitions, 107 flow [2024-11-22 21:31:03,592 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 35 transitions, 104 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-22 21:31:03,593 INFO L231 Difference]: Finished difference. Result has 44 places, 34 transitions, 76 flow [2024-11-22 21:31:03,596 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=76, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=76, PETRI_PLACES=44, PETRI_TRANSITIONS=34} [2024-11-22 21:31:03,600 INFO L277 CegarLoopForPetriNet]: 47 programPoint places, -3 predicate places. [2024-11-22 21:31:03,600 INFO L471 AbstractCegarLoop]: Abstraction has has 44 places, 34 transitions, 76 flow [2024-11-22 21:31:03,601 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 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) [2024-11-22 21:31:03,601 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 21:31:03,601 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 21:31:03,601 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-22 21:31:03,601 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-22 21:31:03,601 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:31:03,602 INFO L85 PathProgramCache]: Analyzing trace with hash -1386393924, now seen corresponding path program 1 times [2024-11-22 21:31:03,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:31:03,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598136855] [2024-11-22 21:31:03,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:31:03,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:31:03,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:31:03,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 21:31:03,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:31:03,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598136855] [2024-11-22 21:31:03,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [598136855] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 21:31:03,883 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 21:31:03,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 21:31:03,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901601043] [2024-11-22 21:31:03,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 21:31:03,885 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 21:31:03,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:31:03,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 21:31:03,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 21:31:03,897 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 43 [2024-11-22 21:31:03,898 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 34 transitions, 76 flow. Second operand has 5 states, 5 states have (on average 22.2) internal successors, (111), 5 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 21:31:03,898 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 21:31:03,898 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 43 [2024-11-22 21:31:03,898 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 21:31:04,099 INFO L124 PetriNetUnfolderBase]: 421/828 cut-off events. [2024-11-22 21:31:04,100 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-22 21:31:04,102 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1536 conditions, 828 events. 421/828 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 98. Compared 5311 event pairs, 176 based on Foata normal form. 0/783 useless extension candidates. Maximal degree in co-relation 1530. Up to 411 conditions per place. [2024-11-22 21:31:04,105 INFO L140 encePairwiseOnDemand]: 36/43 looper letters, 23 selfloop transitions, 3 changer transitions 30/72 dead transitions. [2024-11-22 21:31:04,106 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 72 transitions, 268 flow [2024-11-22 21:31:04,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-22 21:31:04,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-22 21:31:04,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 218 transitions. [2024-11-22 21:31:04,108 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6337209302325582 [2024-11-22 21:31:04,108 INFO L175 Difference]: Start difference. First operand has 44 places, 34 transitions, 76 flow. Second operand 8 states and 218 transitions. [2024-11-22 21:31:04,109 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 72 transitions, 268 flow [2024-11-22 21:31:04,109 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 72 transitions, 267 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-22 21:31:04,111 INFO L231 Difference]: Finished difference. Result has 54 places, 35 transitions, 108 flow [2024-11-22 21:31:04,111 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=75, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=108, PETRI_PLACES=54, PETRI_TRANSITIONS=35} [2024-11-22 21:31:04,111 INFO L277 CegarLoopForPetriNet]: 47 programPoint places, 7 predicate places. [2024-11-22 21:31:04,112 INFO L471 AbstractCegarLoop]: Abstraction has has 54 places, 35 transitions, 108 flow [2024-11-22 21:31:04,112 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.2) internal successors, (111), 5 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 21:31:04,112 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 21:31:04,112 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 21:31:04,112 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-22 21:31:04,112 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-22 21:31:04,113 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:31:04,113 INFO L85 PathProgramCache]: Analyzing trace with hash 870575357, now seen corresponding path program 1 times [2024-11-22 21:31:04,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:31:04,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106908398] [2024-11-22 21:31:04,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:31:04,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:31:04,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:31:04,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 21:31:04,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:31:04,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106908398] [2024-11-22 21:31:04,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [106908398] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 21:31:04,242 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 21:31:04,243 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 21:31:04,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090430452] [2024-11-22 21:31:04,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 21:31:04,243 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 21:31:04,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:31:04,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 21:31:04,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-22 21:31:04,257 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 19 out of 43 [2024-11-22 21:31:04,257 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 35 transitions, 108 flow. Second operand has 6 states, 6 states have (on average 21.0) internal successors, (126), 6 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 21:31:04,257 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 21:31:04,257 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 19 of 43 [2024-11-22 21:31:04,257 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 21:31:04,515 INFO L124 PetriNetUnfolderBase]: 511/1025 cut-off events. [2024-11-22 21:31:04,515 INFO L125 PetriNetUnfolderBase]: For 709/709 co-relation queries the response was YES. [2024-11-22 21:31:04,517 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2375 conditions, 1025 events. 511/1025 cut-off events. For 709/709 co-relation queries the response was YES. Maximal size of possible extension queue 115. Compared 6828 event pairs, 84 based on Foata normal form. 30/1043 useless extension candidates. Maximal degree in co-relation 2363. Up to 321 conditions per place. [2024-11-22 21:31:04,520 INFO L140 encePairwiseOnDemand]: 35/43 looper letters, 40 selfloop transitions, 8 changer transitions 38/101 dead transitions. [2024-11-22 21:31:04,520 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 101 transitions, 498 flow [2024-11-22 21:31:04,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-22 21:31:04,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-22 21:31:04,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 336 transitions. [2024-11-22 21:31:04,522 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6010733452593918 [2024-11-22 21:31:04,523 INFO L175 Difference]: Start difference. First operand has 54 places, 35 transitions, 108 flow. Second operand 13 states and 336 transitions. [2024-11-22 21:31:04,523 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 101 transitions, 498 flow [2024-11-22 21:31:04,526 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 101 transitions, 471 flow, removed 12 selfloop flow, removed 3 redundant places. [2024-11-22 21:31:04,527 INFO L231 Difference]: Finished difference. Result has 68 places, 40 transitions, 192 flow [2024-11-22 21:31:04,527 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=101, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=192, PETRI_PLACES=68, PETRI_TRANSITIONS=40} [2024-11-22 21:31:04,528 INFO L277 CegarLoopForPetriNet]: 47 programPoint places, 21 predicate places. [2024-11-22 21:31:04,528 INFO L471 AbstractCegarLoop]: Abstraction has has 68 places, 40 transitions, 192 flow [2024-11-22 21:31:04,528 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 21.0) internal successors, (126), 6 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 21:31:04,528 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 21:31:04,529 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 21:31:04,529 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-22 21:31:04,529 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-22 21:31:04,529 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:31:04,529 INFO L85 PathProgramCache]: Analyzing trace with hash -13196517, now seen corresponding path program 1 times [2024-11-22 21:31:04,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:31:04,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638000511] [2024-11-22 21:31:04,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:31:04,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:31:04,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:31:04,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 21:31:04,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:31:04,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638000511] [2024-11-22 21:31:04,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1638000511] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 21:31:04,626 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 21:31:04,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 21:31:04,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950113443] [2024-11-22 21:31:04,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 21:31:04,627 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 21:31:04,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:31:04,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 21:31:04,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-22 21:31:04,640 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 43 [2024-11-22 21:31:04,640 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 40 transitions, 192 flow. Second operand has 6 states, 6 states have (on average 22.0) internal successors, (132), 6 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 21:31:04,641 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 21:31:04,641 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 43 [2024-11-22 21:31:04,641 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 21:31:04,773 INFO L124 PetriNetUnfolderBase]: 344/721 cut-off events. [2024-11-22 21:31:04,773 INFO L125 PetriNetUnfolderBase]: For 2325/2331 co-relation queries the response was YES. [2024-11-22 21:31:04,775 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2387 conditions, 721 events. 344/721 cut-off events. For 2325/2331 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 4539 event pairs, 139 based on Foata normal form. 30/731 useless extension candidates. Maximal degree in co-relation 2365. Up to 401 conditions per place. [2024-11-22 21:31:04,778 INFO L140 encePairwiseOnDemand]: 38/43 looper letters, 27 selfloop transitions, 4 changer transitions 23/71 dead transitions. [2024-11-22 21:31:04,778 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 71 transitions, 466 flow [2024-11-22 21:31:04,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-22 21:31:04,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-22 21:31:04,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 185 transitions. [2024-11-22 21:31:04,780 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6146179401993356 [2024-11-22 21:31:04,780 INFO L175 Difference]: Start difference. First operand has 68 places, 40 transitions, 192 flow. Second operand 7 states and 185 transitions. [2024-11-22 21:31:04,780 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 71 transitions, 466 flow [2024-11-22 21:31:04,785 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 71 transitions, 411 flow, removed 25 selfloop flow, removed 7 redundant places. [2024-11-22 21:31:04,785 INFO L231 Difference]: Finished difference. Result has 64 places, 40 transitions, 189 flow [2024-11-22 21:31:04,786 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=167, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=189, PETRI_PLACES=64, PETRI_TRANSITIONS=40} [2024-11-22 21:31:04,786 INFO L277 CegarLoopForPetriNet]: 47 programPoint places, 17 predicate places. [2024-11-22 21:31:04,786 INFO L471 AbstractCegarLoop]: Abstraction has has 64 places, 40 transitions, 189 flow [2024-11-22 21:31:04,787 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.0) internal successors, (132), 6 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 21:31:04,787 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 21:31:04,787 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 21:31:04,787 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-22 21:31:04,787 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-22 21:31:04,787 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:31:04,787 INFO L85 PathProgramCache]: Analyzing trace with hash -2080116171, now seen corresponding path program 1 times [2024-11-22 21:31:04,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:31:04,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462146017] [2024-11-22 21:31:04,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:31:04,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:31:04,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:31:04,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 21:31:04,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:31:04,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462146017] [2024-11-22 21:31:04,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1462146017] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 21:31:04,886 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 21:31:04,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-22 21:31:04,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327158325] [2024-11-22 21:31:04,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 21:31:04,887 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-22 21:31:04,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:31:04,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-22 21:31:04,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-22 21:31:04,907 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 19 out of 43 [2024-11-22 21:31:04,908 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 40 transitions, 189 flow. Second operand has 7 states, 7 states have (on average 20.857142857142858) internal successors, (146), 7 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 21:31:04,908 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 21:31:04,908 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 19 of 43 [2024-11-22 21:31:04,908 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 21:31:05,072 INFO L124 PetriNetUnfolderBase]: 410/836 cut-off events. [2024-11-22 21:31:05,072 INFO L125 PetriNetUnfolderBase]: For 1788/1788 co-relation queries the response was YES. [2024-11-22 21:31:05,074 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2473 conditions, 836 events. 410/836 cut-off events. For 1788/1788 co-relation queries the response was YES. Maximal size of possible extension queue 93. Compared 5550 event pairs, 144 based on Foata normal form. 22/840 useless extension candidates. Maximal degree in co-relation 2451. Up to 193 conditions per place. [2024-11-22 21:31:05,076 INFO L140 encePairwiseOnDemand]: 37/43 looper letters, 22 selfloop transitions, 3 changer transitions 33/73 dead transitions. [2024-11-22 21:31:05,076 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 73 transitions, 479 flow [2024-11-22 21:31:05,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-22 21:31:05,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-22 21:31:05,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 206 transitions. [2024-11-22 21:31:05,077 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5988372093023255 [2024-11-22 21:31:05,077 INFO L175 Difference]: Start difference. First operand has 64 places, 40 transitions, 189 flow. Second operand 8 states and 206 transitions. [2024-11-22 21:31:05,077 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 73 transitions, 479 flow [2024-11-22 21:31:05,081 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 73 transitions, 435 flow, removed 18 selfloop flow, removed 7 redundant places. [2024-11-22 21:31:05,081 INFO L231 Difference]: Finished difference. Result has 66 places, 33 transitions, 135 flow [2024-11-22 21:31:05,082 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=161, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=135, PETRI_PLACES=66, PETRI_TRANSITIONS=33} [2024-11-22 21:31:05,082 INFO L277 CegarLoopForPetriNet]: 47 programPoint places, 19 predicate places. [2024-11-22 21:31:05,082 INFO L471 AbstractCegarLoop]: Abstraction has has 66 places, 33 transitions, 135 flow [2024-11-22 21:31:05,082 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 20.857142857142858) internal successors, (146), 7 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 21:31:05,083 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 21:31:05,083 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 21:31:05,083 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-22 21:31:05,083 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-22 21:31:05,083 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:31:05,083 INFO L85 PathProgramCache]: Analyzing trace with hash -506771784, now seen corresponding path program 1 times [2024-11-22 21:31:05,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:31:05,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561103910] [2024-11-22 21:31:05,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:31:05,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:31:05,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:31:05,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 21:31:05,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:31:05,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561103910] [2024-11-22 21:31:05,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1561103910] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 21:31:05,166 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 21:31:05,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 21:31:05,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131732875] [2024-11-22 21:31:05,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 21:31:05,167 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 21:31:05,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:31:05,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 21:31:05,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-22 21:31:05,182 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 21 out of 43 [2024-11-22 21:31:05,183 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 33 transitions, 135 flow. Second operand has 6 states, 6 states have (on average 23.0) internal successors, (138), 6 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 21:31:05,183 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 21:31:05,183 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 21 of 43 [2024-11-22 21:31:05,183 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 21:31:05,296 INFO L124 PetriNetUnfolderBase]: 211/478 cut-off events. [2024-11-22 21:31:05,297 INFO L125 PetriNetUnfolderBase]: For 1164/1194 co-relation queries the response was YES. [2024-11-22 21:31:05,298 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1389 conditions, 478 events. 211/478 cut-off events. For 1164/1194 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 2655 event pairs, 86 based on Foata normal form. 18/470 useless extension candidates. Maximal degree in co-relation 1366. Up to 142 conditions per place. [2024-11-22 21:31:05,299 INFO L140 encePairwiseOnDemand]: 37/43 looper letters, 20 selfloop transitions, 3 changer transitions 21/61 dead transitions. [2024-11-22 21:31:05,299 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 61 transitions, 327 flow [2024-11-22 21:31:05,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-22 21:31:05,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-22 21:31:05,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 214 transitions. [2024-11-22 21:31:05,300 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.622093023255814 [2024-11-22 21:31:05,300 INFO L175 Difference]: Start difference. First operand has 66 places, 33 transitions, 135 flow. Second operand 8 states and 214 transitions. [2024-11-22 21:31:05,300 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 61 transitions, 327 flow [2024-11-22 21:31:05,302 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 61 transitions, 252 flow, removed 26 selfloop flow, removed 15 redundant places. [2024-11-22 21:31:05,303 INFO L231 Difference]: Finished difference. Result has 59 places, 33 transitions, 115 flow [2024-11-22 21:31:05,303 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=93, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=115, PETRI_PLACES=59, PETRI_TRANSITIONS=33} [2024-11-22 21:31:05,303 INFO L277 CegarLoopForPetriNet]: 47 programPoint places, 12 predicate places. [2024-11-22 21:31:05,304 INFO L471 AbstractCegarLoop]: Abstraction has has 59 places, 33 transitions, 115 flow [2024-11-22 21:31:05,304 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 23.0) internal successors, (138), 6 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 21:31:05,304 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 21:31:05,304 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 21:31:05,304 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-22 21:31:05,304 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-22 21:31:05,305 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:31:05,305 INFO L85 PathProgramCache]: Analyzing trace with hash -1027679773, now seen corresponding path program 1 times [2024-11-22 21:31:05,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:31:05,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158494843] [2024-11-22 21:31:05,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:31:05,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:31:05,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:31:05,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 21:31:05,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:31:05,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158494843] [2024-11-22 21:31:05,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [158494843] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 21:31:05,362 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 21:31:05,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 21:31:05,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488934998] [2024-11-22 21:31:05,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 21:31:05,363 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 21:31:05,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:31:05,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 21:31:05,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 21:31:05,369 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 21 out of 43 [2024-11-22 21:31:05,369 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 33 transitions, 115 flow. Second operand has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 21:31:05,369 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 21:31:05,369 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 21 of 43 [2024-11-22 21:31:05,370 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 21:31:05,444 INFO L124 PetriNetUnfolderBase]: 370/728 cut-off events. [2024-11-22 21:31:05,444 INFO L125 PetriNetUnfolderBase]: For 562/562 co-relation queries the response was YES. [2024-11-22 21:31:05,445 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1731 conditions, 728 events. 370/728 cut-off events. For 562/562 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 4005 event pairs, 78 based on Foata normal form. 27/727 useless extension candidates. Maximal degree in co-relation 1714. Up to 353 conditions per place. [2024-11-22 21:31:05,448 INFO L140 encePairwiseOnDemand]: 37/43 looper letters, 24 selfloop transitions, 5 changer transitions 1/46 dead transitions. [2024-11-22 21:31:05,448 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 46 transitions, 203 flow [2024-11-22 21:31:05,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 21:31:05,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-22 21:31:05,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 116 transitions. [2024-11-22 21:31:05,449 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6744186046511628 [2024-11-22 21:31:05,449 INFO L175 Difference]: Start difference. First operand has 59 places, 33 transitions, 115 flow. Second operand 4 states and 116 transitions. [2024-11-22 21:31:05,449 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 46 transitions, 203 flow [2024-11-22 21:31:05,451 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 46 transitions, 183 flow, removed 6 selfloop flow, removed 8 redundant places. [2024-11-22 21:31:05,451 INFO L231 Difference]: Finished difference. Result has 52 places, 36 transitions, 129 flow [2024-11-22 21:31:05,451 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=95, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=129, PETRI_PLACES=52, PETRI_TRANSITIONS=36} [2024-11-22 21:31:05,452 INFO L277 CegarLoopForPetriNet]: 47 programPoint places, 5 predicate places. [2024-11-22 21:31:05,452 INFO L471 AbstractCegarLoop]: Abstraction has has 52 places, 36 transitions, 129 flow [2024-11-22 21:31:05,452 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 21:31:05,452 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 21:31:05,453 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 21:31:05,453 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-22 21:31:05,453 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-22 21:31:05,453 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:31:05,453 INFO L85 PathProgramCache]: Analyzing trace with hash -611762680, now seen corresponding path program 1 times [2024-11-22 21:31:05,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:31:05,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538981710] [2024-11-22 21:31:05,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:31:05,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:31:05,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:31:05,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 21:31:05,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:31:05,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1538981710] [2024-11-22 21:31:05,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1538981710] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 21:31:05,518 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 21:31:05,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 21:31:05,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492549736] [2024-11-22 21:31:05,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 21:31:05,519 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 21:31:05,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:31:05,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 21:31:05,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-22 21:31:05,523 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 21 out of 43 [2024-11-22 21:31:05,523 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 36 transitions, 129 flow. Second operand has 5 states, 5 states have (on average 23.4) internal successors, (117), 5 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 21:31:05,523 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 21:31:05,524 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 21 of 43 [2024-11-22 21:31:05,524 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 21:31:05,602 INFO L124 PetriNetUnfolderBase]: 285/570 cut-off events. [2024-11-22 21:31:05,603 INFO L125 PetriNetUnfolderBase]: For 274/350 co-relation queries the response was YES. [2024-11-22 21:31:05,603 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1412 conditions, 570 events. 285/570 cut-off events. For 274/350 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 2722 event pairs, 27 based on Foata normal form. 30/581 useless extension candidates. Maximal degree in co-relation 1399. Up to 245 conditions per place. [2024-11-22 21:31:05,605 INFO L140 encePairwiseOnDemand]: 37/43 looper letters, 28 selfloop transitions, 8 changer transitions 1/53 dead transitions. [2024-11-22 21:31:05,606 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 53 transitions, 254 flow [2024-11-22 21:31:05,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 21:31:05,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-22 21:31:05,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 144 transitions. [2024-11-22 21:31:05,607 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6697674418604651 [2024-11-22 21:31:05,607 INFO L175 Difference]: Start difference. First operand has 52 places, 36 transitions, 129 flow. Second operand 5 states and 144 transitions. [2024-11-22 21:31:05,607 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 53 transitions, 254 flow [2024-11-22 21:31:05,607 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 53 transitions, 244 flow, removed 1 selfloop flow, removed 2 redundant places. [2024-11-22 21:31:05,608 INFO L231 Difference]: Finished difference. Result has 56 places, 39 transitions, 169 flow [2024-11-22 21:31:05,608 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=121, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=169, PETRI_PLACES=56, PETRI_TRANSITIONS=39} [2024-11-22 21:31:05,609 INFO L277 CegarLoopForPetriNet]: 47 programPoint places, 9 predicate places. [2024-11-22 21:31:05,609 INFO L471 AbstractCegarLoop]: Abstraction has has 56 places, 39 transitions, 169 flow [2024-11-22 21:31:05,609 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.4) internal successors, (117), 5 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 21:31:05,609 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 21:31:05,609 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 21:31:05,609 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-22 21:31:05,610 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-22 21:31:05,610 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:31:05,610 INFO L85 PathProgramCache]: Analyzing trace with hash -1061990799, now seen corresponding path program 1 times [2024-11-22 21:31:05,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:31:05,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937732468] [2024-11-22 21:31:05,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:31:05,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:31:05,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:31:05,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 21:31:05,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:31:05,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937732468] [2024-11-22 21:31:05,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [937732468] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 21:31:05,683 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 21:31:05,684 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 21:31:05,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506087182] [2024-11-22 21:31:05,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 21:31:05,684 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 21:31:05,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:31:05,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 21:31:05,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-22 21:31:05,688 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 21 out of 43 [2024-11-22 21:31:05,688 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 39 transitions, 169 flow. Second operand has 6 states, 6 states have (on average 23.166666666666668) internal successors, (139), 6 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 21:31:05,688 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 21:31:05,689 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 21 of 43 [2024-11-22 21:31:05,689 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 21:31:05,769 INFO L124 PetriNetUnfolderBase]: 162/321 cut-off events. [2024-11-22 21:31:05,769 INFO L125 PetriNetUnfolderBase]: For 369/485 co-relation queries the response was YES. [2024-11-22 21:31:05,770 INFO L83 FinitePrefix]: Finished finitePrefix Result has 892 conditions, 321 events. 162/321 cut-off events. For 369/485 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1111 event pairs, 6 based on Foata normal form. 28/336 useless extension candidates. Maximal degree in co-relation 877. Up to 84 conditions per place. [2024-11-22 21:31:05,771 INFO L140 encePairwiseOnDemand]: 37/43 looper letters, 26 selfloop transitions, 11 changer transitions 1/54 dead transitions. [2024-11-22 21:31:05,771 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 54 transitions, 281 flow [2024-11-22 21:31:05,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 21:31:05,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-22 21:31:05,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 166 transitions. [2024-11-22 21:31:05,772 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6434108527131783 [2024-11-22 21:31:05,772 INFO L175 Difference]: Start difference. First operand has 56 places, 39 transitions, 169 flow. Second operand 6 states and 166 transitions. [2024-11-22 21:31:05,772 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 54 transitions, 281 flow [2024-11-22 21:31:05,773 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 54 transitions, 238 flow, removed 11 selfloop flow, removed 8 redundant places. [2024-11-22 21:31:05,773 INFO L231 Difference]: Finished difference. Result has 55 places, 39 transitions, 165 flow [2024-11-22 21:31:05,774 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=129, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=165, PETRI_PLACES=55, PETRI_TRANSITIONS=39} [2024-11-22 21:31:05,774 INFO L277 CegarLoopForPetriNet]: 47 programPoint places, 8 predicate places. [2024-11-22 21:31:05,774 INFO L471 AbstractCegarLoop]: Abstraction has has 55 places, 39 transitions, 165 flow [2024-11-22 21:31:05,774 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 23.166666666666668) internal successors, (139), 6 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 21:31:05,775 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 21:31:05,775 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 21:31:05,775 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-22 21:31:05,775 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-22 21:31:05,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:31:05,775 INFO L85 PathProgramCache]: Analyzing trace with hash -2031324526, now seen corresponding path program 1 times [2024-11-22 21:31:05,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:31:05,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364559507] [2024-11-22 21:31:05,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:31:05,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:31:05,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:31:05,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 21:31:05,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:31:05,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364559507] [2024-11-22 21:31:05,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [364559507] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 21:31:05,889 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 21:31:05,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-22 21:31:05,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922623965] [2024-11-22 21:31:05,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 21:31:05,889 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 21:31:05,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:31:05,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 21:31:05,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-22 21:31:05,904 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 19 out of 43 [2024-11-22 21:31:05,905 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 39 transitions, 165 flow. Second operand has 6 states, 6 states have (on average 21.5) internal successors, (129), 6 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 21:31:05,905 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 21:31:05,905 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 19 of 43 [2024-11-22 21:31:05,905 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 21:31:06,000 INFO L124 PetriNetUnfolderBase]: 116/268 cut-off events. [2024-11-22 21:31:06,000 INFO L125 PetriNetUnfolderBase]: For 198/202 co-relation queries the response was YES. [2024-11-22 21:31:06,001 INFO L83 FinitePrefix]: Finished finitePrefix Result has 667 conditions, 268 events. 116/268 cut-off events. For 198/202 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 998 event pairs, 24 based on Foata normal form. 8/260 useless extension candidates. Maximal degree in co-relation 655. Up to 98 conditions per place. [2024-11-22 21:31:06,001 INFO L140 encePairwiseOnDemand]: 36/43 looper letters, 0 selfloop transitions, 0 changer transitions 48/48 dead transitions. [2024-11-22 21:31:06,001 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 48 transitions, 243 flow [2024-11-22 21:31:06,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-22 21:31:06,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-22 21:31:06,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 163 transitions. [2024-11-22 21:31:06,002 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5415282392026578 [2024-11-22 21:31:06,002 INFO L175 Difference]: Start difference. First operand has 55 places, 39 transitions, 165 flow. Second operand 7 states and 163 transitions. [2024-11-22 21:31:06,002 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 48 transitions, 243 flow [2024-11-22 21:31:06,003 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 48 transitions, 187 flow, removed 10 selfloop flow, removed 8 redundant places. [2024-11-22 21:31:06,003 INFO L231 Difference]: Finished difference. Result has 50 places, 0 transitions, 0 flow [2024-11-22 21:31:06,003 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=103, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=0, PETRI_PLACES=50, PETRI_TRANSITIONS=0} [2024-11-22 21:31:06,004 INFO L277 CegarLoopForPetriNet]: 47 programPoint places, 3 predicate places. [2024-11-22 21:31:06,004 INFO L471 AbstractCegarLoop]: Abstraction has has 50 places, 0 transitions, 0 flow [2024-11-22 21:31:06,004 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 21.5) internal successors, (129), 6 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 21:31:06,006 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (4 of 5 remaining) [2024-11-22 21:31:06,007 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (3 of 5 remaining) [2024-11-22 21:31:06,007 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2024-11-22 21:31:06,007 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2024-11-22 21:31:06,007 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2024-11-22 21:31:06,007 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-22 21:31:06,008 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 21:31:06,010 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-22 21:31:06,010 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-22 21:31:06,014 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 09:31:06 BasicIcfg [2024-11-22 21:31:06,014 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-22 21:31:06,014 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-22 21:31:06,014 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-22 21:31:06,014 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-22 21:31:06,015 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 09:31:03" (3/4) ... [2024-11-22 21:31:06,016 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-22 21:31:06,019 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-11-22 21:31:06,019 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-11-22 21:31:06,019 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2024-11-22 21:31:06,022 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2024-11-22 21:31:06,022 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-11-22 21:31:06,022 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-22 21:31:06,022 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-22 21:31:06,092 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-22 21:31:06,092 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-22 21:31:06,093 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-22 21:31:06,093 INFO L158 Benchmark]: Toolchain (without parser) took 3970.58ms. Allocated memory was 144.7MB in the beginning and 253.8MB in the end (delta: 109.1MB). Free memory was 91.5MB in the beginning and 169.1MB in the end (delta: -77.6MB). Peak memory consumption was 34.5MB. Max. memory is 16.1GB. [2024-11-22 21:31:06,093 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 144.7MB. Free memory is still 105.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 21:31:06,093 INFO L158 Benchmark]: CACSL2BoogieTranslator took 408.13ms. Allocated memory is still 144.7MB. Free memory was 91.0MB in the beginning and 67.9MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-22 21:31:06,093 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.67ms. Allocated memory is still 144.7MB. Free memory was 67.9MB in the beginning and 65.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-22 21:31:06,094 INFO L158 Benchmark]: Boogie Preprocessor took 47.32ms. Allocated memory is still 144.7MB. Free memory was 65.9MB in the beginning and 63.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-22 21:31:06,094 INFO L158 Benchmark]: RCFGBuilder took 445.89ms. Allocated memory is still 144.7MB. Free memory was 63.8MB in the beginning and 100.6MB in the end (delta: -36.8MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. [2024-11-22 21:31:06,094 INFO L158 Benchmark]: TraceAbstraction took 2948.38ms. Allocated memory was 144.7MB in the beginning and 253.8MB in the end (delta: 109.1MB). Free memory was 99.9MB in the beginning and 173.3MB in the end (delta: -73.5MB). Peak memory consumption was 35.2MB. Max. memory is 16.1GB. [2024-11-22 21:31:06,096 INFO L158 Benchmark]: Witness Printer took 78.32ms. Allocated memory is still 253.8MB. Free memory was 173.3MB in the beginning and 169.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-22 21:31:06,097 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 144.7MB. Free memory is still 105.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 408.13ms. Allocated memory is still 144.7MB. Free memory was 91.0MB in the beginning and 67.9MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.67ms. Allocated memory is still 144.7MB. Free memory was 67.9MB in the beginning and 65.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.32ms. Allocated memory is still 144.7MB. Free memory was 65.9MB in the beginning and 63.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 445.89ms. Allocated memory is still 144.7MB. Free memory was 63.8MB in the beginning and 100.6MB in the end (delta: -36.8MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. * TraceAbstraction took 2948.38ms. Allocated memory was 144.7MB in the beginning and 253.8MB in the end (delta: 109.1MB). Free memory was 99.9MB in the beginning and 173.3MB in the end (delta: -73.5MB). Peak memory consumption was 35.2MB. Max. memory is 16.1GB. * Witness Printer took 78.32ms. Allocated memory is still 253.8MB. Free memory was 173.3MB in the beginning and 169.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 778]: 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, 66 locations, 5 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: 2.9s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 387 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 340 mSDsluCounter, 232 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 174 mSDsCounter, 20 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 808 IncrementalHoareTripleChecker+Invalid, 828 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 20 mSolverCounterUnsat, 58 mSDtfsCounter, 808 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 78 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=192occurred in iteration=3, InterpolantAutomatonStates: 69, 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, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 207 NumberOfCodeBlocks, 207 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 197 ConstructedInterpolants, 0 QuantifiedInterpolants, 773 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-22 21:31:06,119 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