./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/pthread-wmm/safe011_tso.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/pthread-wmm/safe011_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 c5d6625a918041bec3ddf6b8a37ec84fd94f58444755be51392d35f521d3d51e --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 10:34:13,108 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 10:34:13,172 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-11-09 10:34:13,180 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 10:34:13,180 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 10:34:13,215 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 10:34:13,215 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 10:34:13,216 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 10:34:13,216 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 10:34:13,219 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 10:34:13,219 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 10:34:13,220 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 10:34:13,220 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 10:34:13,221 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 10:34:13,221 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 10:34:13,222 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 10:34:13,222 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 10:34:13,222 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 10:34:13,222 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 10:34:13,222 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 10:34:13,222 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-09 10:34:13,223 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-09 10:34:13,223 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-09 10:34:13,223 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 10:34:13,223 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 10:34:13,223 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 10:34:13,224 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 10:34:13,224 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 10:34:13,224 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 10:34:13,224 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 10:34:13,224 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 10:34:13,224 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 10:34:13,225 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 10:34:13,225 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 10:34:13,225 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 10:34:13,225 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 10:34:13,225 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 10:34:13,225 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 10:34:13,225 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 10:34:13,225 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 10:34:13,226 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 10:34:13,227 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 10:34:13,227 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c5d6625a918041bec3ddf6b8a37ec84fd94f58444755be51392d35f521d3d51e [2024-11-09 10:34:13,423 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 10:34:13,443 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 10:34:13,445 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 10:34:13,446 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 10:34:13,447 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 10:34:13,448 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe011_tso.i [2024-11-09 10:34:14,703 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 10:34:14,957 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 10:34:14,958 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe011_tso.i [2024-11-09 10:34:14,975 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c3cd1fda/5ba26408aa5942cda6dea497240f7119/FLAG308e01526 [2024-11-09 10:34:14,988 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c3cd1fda/5ba26408aa5942cda6dea497240f7119 [2024-11-09 10:34:14,990 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 10:34:14,991 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 10:34:14,992 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 10:34:14,992 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 10:34:14,998 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 10:34:14,999 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 10:34:14" (1/1) ... [2024-11-09 10:34:15,000 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@681d2501 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:34:14, skipping insertion in model container [2024-11-09 10:34:15,000 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 10:34:14" (1/1) ... [2024-11-09 10:34:15,037 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 10:34:15,320 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 10:34:15,330 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 10:34:15,369 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 10:34:15,397 INFO L204 MainTranslator]: Completed translation [2024-11-09 10:34:15,397 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:34:15 WrapperNode [2024-11-09 10:34:15,398 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 10:34:15,399 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 10:34:15,399 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 10:34:15,401 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 10:34:15,407 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:34:15" (1/1) ... [2024-11-09 10:34:15,417 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:34:15" (1/1) ... [2024-11-09 10:34:15,435 INFO L138 Inliner]: procedures = 175, calls = 42, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 59 [2024-11-09 10:34:15,436 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 10:34:15,436 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 10:34:15,437 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 10:34:15,437 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 10:34:15,445 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:34:15" (1/1) ... [2024-11-09 10:34:15,445 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:34:15" (1/1) ... [2024-11-09 10:34:15,450 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:34:15" (1/1) ... [2024-11-09 10:34:15,470 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]. [2024-11-09 10:34:15,470 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:34:15" (1/1) ... [2024-11-09 10:34:15,470 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:34:15" (1/1) ... [2024-11-09 10:34:15,474 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:34:15" (1/1) ... [2024-11-09 10:34:15,475 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:34:15" (1/1) ... [2024-11-09 10:34:15,476 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:34:15" (1/1) ... [2024-11-09 10:34:15,477 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:34:15" (1/1) ... [2024-11-09 10:34:15,479 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 10:34:15,479 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 10:34:15,479 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 10:34:15,480 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 10:34:15,480 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:34:15" (1/1) ... [2024-11-09 10:34:15,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 10:34:15,496 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 10:34:15,512 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) [2024-11-09 10:34:15,514 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 [2024-11-09 10:34:15,560 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-09 10:34:15,560 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 10:34:15,560 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-09 10:34:15,560 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-09 10:34:15,560 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-09 10:34:15,560 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-09 10:34:15,560 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-09 10:34:15,560 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-09 10:34:15,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 10:34:15,561 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-09 10:34:15,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 10:34:15,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 10:34:15,563 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-09 10:34:15,672 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 10:34:15,674 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 10:34:15,787 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-09 10:34:15,787 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 10:34:15,859 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 10:34:15,859 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 10:34:15,860 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 10:34:15 BoogieIcfgContainer [2024-11-09 10:34:15,860 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 10:34:15,862 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 10:34:15,863 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 10:34:15,866 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 10:34:15,866 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 10:34:14" (1/3) ... [2024-11-09 10:34:15,867 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a94d9c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 10:34:15, skipping insertion in model container [2024-11-09 10:34:15,867 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:34:15" (2/3) ... [2024-11-09 10:34:15,869 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a94d9c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 10:34:15, skipping insertion in model container [2024-11-09 10:34:15,869 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 10:34:15" (3/3) ... [2024-11-09 10:34:15,870 INFO L112 eAbstractionObserver]: Analyzing ICFG safe011_tso.i [2024-11-09 10:34:15,884 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 10:34:15,885 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-09 10:34:15,885 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-09 10:34:15,929 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-09 10:34:15,956 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 51 places, 43 transitions, 98 flow [2024-11-09 10:34:15,980 INFO L124 PetriNetUnfolderBase]: 2/40 cut-off events. [2024-11-09 10:34:15,980 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-09 10:34:15,983 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 69 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. [2024-11-09 10:34:15,984 INFO L82 GeneralOperation]: Start removeDead. Operand has 51 places, 43 transitions, 98 flow [2024-11-09 10:34:15,986 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 47 places, 39 transitions, 87 flow [2024-11-09 10:34:15,995 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 10:34:16,001 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;@518c7668, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 10:34:16,001 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-11-09 10:34:16,011 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-09 10:34:16,011 INFO L124 PetriNetUnfolderBase]: 2/37 cut-off events. [2024-11-09 10:34:16,011 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-09 10:34:16,012 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 10:34:16,012 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 10:34:16,013 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)] === [2024-11-09 10:34:16,016 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 10:34:16,017 INFO L85 PathProgramCache]: Analyzing trace with hash -1488160356, now seen corresponding path program 1 times [2024-11-09 10:34:16,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 10:34:16,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029560167] [2024-11-09 10:34:16,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 10:34:16,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 10:34:16,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 10:34:16,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 10:34:16,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 10:34:16,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029560167] [2024-11-09 10:34:16,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1029560167] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 10:34:16,269 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 10:34:16,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-09 10:34:16,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182394600] [2024-11-09 10:34:16,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 10:34:16,277 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 10:34:16,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 10:34:16,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 10:34:16,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 10:34:16,301 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 24 out of 43 [2024-11-09 10:34:16,302 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) [2024-11-09 10:34:16,302 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 10:34:16,303 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 24 of 43 [2024-11-09 10:34:16,303 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 10:34:16,380 INFO L124 PetriNetUnfolderBase]: 75/219 cut-off events. [2024-11-09 10:34:16,380 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-09 10:34:16,382 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 1159 event pairs, 75 based on Foata normal form. 24/225 useless extension candidates. Maximal degree in co-relation 363. Up to 136 conditions per place. [2024-11-09 10:34:16,384 INFO L140 encePairwiseOnDemand]: 39/43 looper letters, 12 selfloop transitions, 1 changer transitions 1/35 dead transitions. [2024-11-09 10:34:16,384 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 35 transitions, 107 flow [2024-11-09 10:34:16,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 10:34:16,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 10:34:16,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 89 transitions. [2024-11-09 10:34:16,394 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.689922480620155 [2024-11-09 10:34:16,395 INFO L175 Difference]: Start difference. First operand has 47 places, 39 transitions, 87 flow. Second operand 3 states and 89 transitions. [2024-11-09 10:34:16,396 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 35 transitions, 107 flow [2024-11-09 10:34:16,398 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 35 transitions, 104 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-09 10:34:16,399 INFO L231 Difference]: Finished difference. Result has 44 places, 34 transitions, 76 flow [2024-11-09 10:34:16,400 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} [2024-11-09 10:34:16,404 INFO L277 CegarLoopForPetriNet]: 47 programPoint places, -3 predicate places. [2024-11-09 10:34:16,404 INFO L471 AbstractCegarLoop]: Abstraction has has 44 places, 34 transitions, 76 flow [2024-11-09 10:34:16,404 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) [2024-11-09 10:34:16,404 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 10:34:16,404 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 10:34:16,404 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 10:34:16,405 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)] === [2024-11-09 10:34:16,405 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 10:34:16,405 INFO L85 PathProgramCache]: Analyzing trace with hash -1488158927, now seen corresponding path program 1 times [2024-11-09 10:34:16,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 10:34:16,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892091606] [2024-11-09 10:34:16,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 10:34:16,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 10:34:16,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 10:34:16,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 10:34:16,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 10:34:16,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892091606] [2024-11-09 10:34:16,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [892091606] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 10:34:16,671 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 10:34:16,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 10:34:16,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683540432] [2024-11-09 10:34:16,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 10:34:16,673 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 10:34:16,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 10:34:16,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 10:34:16,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 10:34:16,693 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 43 [2024-11-09 10:34:16,694 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 34 transitions, 76 flow. Second operand has 5 states, 5 states have (on average 20.2) internal successors, (101), 5 states have internal predecessors, (101), 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) [2024-11-09 10:34:16,694 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 10:34:16,695 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 43 [2024-11-09 10:34:16,695 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 10:34:17,111 INFO L124 PetriNetUnfolderBase]: 1466/2795 cut-off events. [2024-11-09 10:34:17,111 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-09 10:34:17,122 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5104 conditions, 2795 events. 1466/2795 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 236. Compared 20680 event pairs, 324 based on Foata normal form. 0/2669 useless extension candidates. Maximal degree in co-relation 5098. Up to 751 conditions per place. [2024-11-09 10:34:17,133 INFO L140 encePairwiseOnDemand]: 33/43 looper letters, 29 selfloop transitions, 6 changer transitions 55/104 dead transitions. [2024-11-09 10:34:17,133 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 104 transitions, 400 flow [2024-11-09 10:34:17,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 10:34:17,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-09 10:34:17,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 254 transitions. [2024-11-09 10:34:17,136 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6563307493540051 [2024-11-09 10:34:17,136 INFO L175 Difference]: Start difference. First operand has 44 places, 34 transitions, 76 flow. Second operand 9 states and 254 transitions. [2024-11-09 10:34:17,136 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 104 transitions, 400 flow [2024-11-09 10:34:17,137 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 104 transitions, 399 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-09 10:34:17,141 INFO L231 Difference]: Finished difference. Result has 58 places, 38 transitions, 157 flow [2024-11-09 10:34:17,142 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=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=157, PETRI_PLACES=58, PETRI_TRANSITIONS=38} [2024-11-09 10:34:17,142 INFO L277 CegarLoopForPetriNet]: 47 programPoint places, 11 predicate places. [2024-11-09 10:34:17,142 INFO L471 AbstractCegarLoop]: Abstraction has has 58 places, 38 transitions, 157 flow [2024-11-09 10:34:17,143 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 5 states have internal predecessors, (101), 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) [2024-11-09 10:34:17,143 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 10:34:17,143 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 10:34:17,143 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 10:34:17,143 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)] === [2024-11-09 10:34:17,144 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 10:34:17,144 INFO L85 PathProgramCache]: Analyzing trace with hash 1443314674, now seen corresponding path program 1 times [2024-11-09 10:34:17,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 10:34:17,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422052770] [2024-11-09 10:34:17,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 10:34:17,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 10:34:17,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 10:34:17,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 10:34:17,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 10:34:17,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422052770] [2024-11-09 10:34:17,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1422052770] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 10:34:17,319 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 10:34:17,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 10:34:17,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874534690] [2024-11-09 10:34:17,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 10:34:17,319 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 10:34:17,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 10:34:17,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 10:34:17,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-09 10:34:17,337 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 43 [2024-11-09 10:34:17,338 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 38 transitions, 157 flow. Second operand has 6 states, 6 states have (on average 20.0) internal successors, (120), 6 states have internal predecessors, (120), 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) [2024-11-09 10:34:17,338 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 10:34:17,338 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 43 [2024-11-09 10:34:17,338 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 10:34:17,649 INFO L124 PetriNetUnfolderBase]: 1014/2114 cut-off events. [2024-11-09 10:34:17,650 INFO L125 PetriNetUnfolderBase]: For 3106/3114 co-relation queries the response was YES. [2024-11-09 10:34:17,654 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5975 conditions, 2114 events. 1014/2114 cut-off events. For 3106/3114 co-relation queries the response was YES. Maximal size of possible extension queue 176. Compared 15631 event pairs, 179 based on Foata normal form. 79/2164 useless extension candidates. Maximal degree in co-relation 5960. Up to 637 conditions per place. [2024-11-09 10:34:17,662 INFO L140 encePairwiseOnDemand]: 34/43 looper letters, 39 selfloop transitions, 10 changer transitions 54/117 dead transitions. [2024-11-09 10:34:17,663 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 117 transitions, 817 flow [2024-11-09 10:34:17,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-09 10:34:17,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-09 10:34:17,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 276 transitions. [2024-11-09 10:34:17,665 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.641860465116279 [2024-11-09 10:34:17,665 INFO L175 Difference]: Start difference. First operand has 58 places, 38 transitions, 157 flow. Second operand 10 states and 276 transitions. [2024-11-09 10:34:17,666 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 117 transitions, 817 flow [2024-11-09 10:34:17,682 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 117 transitions, 705 flow, removed 27 selfloop flow, removed 4 redundant places. [2024-11-09 10:34:17,683 INFO L231 Difference]: Finished difference. Result has 65 places, 45 transitions, 255 flow [2024-11-09 10:34:17,683 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=135, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=255, PETRI_PLACES=65, PETRI_TRANSITIONS=45} [2024-11-09 10:34:17,684 INFO L277 CegarLoopForPetriNet]: 47 programPoint places, 18 predicate places. [2024-11-09 10:34:17,684 INFO L471 AbstractCegarLoop]: Abstraction has has 65 places, 45 transitions, 255 flow [2024-11-09 10:34:17,684 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 20.0) internal successors, (120), 6 states have internal predecessors, (120), 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) [2024-11-09 10:34:17,684 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 10:34:17,684 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 10:34:17,684 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 10:34:17,684 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)] === [2024-11-09 10:34:17,685 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 10:34:17,685 INFO L85 PathProgramCache]: Analyzing trace with hash 492970866, now seen corresponding path program 1 times [2024-11-09 10:34:17,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 10:34:17,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888693610] [2024-11-09 10:34:17,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 10:34:17,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 10:34:17,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 10:34:17,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 10:34:17,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 10:34:17,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888693610] [2024-11-09 10:34:17,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [888693610] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 10:34:17,808 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 10:34:17,808 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 10:34:17,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306799742] [2024-11-09 10:34:17,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 10:34:17,808 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 10:34:17,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 10:34:17,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 10:34:17,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-09 10:34:17,819 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 43 [2024-11-09 10:34:17,820 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 45 transitions, 255 flow. Second operand has 6 states, 6 states have (on average 20.0) internal successors, (120), 6 states have internal predecessors, (120), 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) [2024-11-09 10:34:17,820 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 10:34:17,820 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 43 [2024-11-09 10:34:17,820 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 10:34:18,103 INFO L124 PetriNetUnfolderBase]: 856/1744 cut-off events. [2024-11-09 10:34:18,103 INFO L125 PetriNetUnfolderBase]: For 5086/5086 co-relation queries the response was YES. [2024-11-09 10:34:18,108 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5681 conditions, 1744 events. 856/1744 cut-off events. For 5086/5086 co-relation queries the response was YES. Maximal size of possible extension queue 146. Compared 12058 event pairs, 171 based on Foata normal form. 40/1751 useless extension candidates. Maximal degree in co-relation 5659. Up to 589 conditions per place. [2024-11-09 10:34:18,116 INFO L140 encePairwiseOnDemand]: 34/43 looper letters, 42 selfloop transitions, 14 changer transitions 38/108 dead transitions. [2024-11-09 10:34:18,116 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 108 transitions, 813 flow [2024-11-09 10:34:18,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-09 10:34:18,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-09 10:34:18,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 267 transitions. [2024-11-09 10:34:18,119 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6209302325581395 [2024-11-09 10:34:18,119 INFO L175 Difference]: Start difference. First operand has 65 places, 45 transitions, 255 flow. Second operand 10 states and 267 transitions. [2024-11-09 10:34:18,119 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 108 transitions, 813 flow [2024-11-09 10:34:18,130 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 108 transitions, 781 flow, removed 16 selfloop flow, removed 0 redundant places. [2024-11-09 10:34:18,132 INFO L231 Difference]: Finished difference. Result has 76 places, 50 transitions, 353 flow [2024-11-09 10:34:18,132 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=243, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=353, PETRI_PLACES=76, PETRI_TRANSITIONS=50} [2024-11-09 10:34:18,133 INFO L277 CegarLoopForPetriNet]: 47 programPoint places, 29 predicate places. [2024-11-09 10:34:18,134 INFO L471 AbstractCegarLoop]: Abstraction has has 76 places, 50 transitions, 353 flow [2024-11-09 10:34:18,134 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 20.0) internal successors, (120), 6 states have internal predecessors, (120), 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) [2024-11-09 10:34:18,134 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 10:34:18,134 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 10:34:18,135 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 10:34:18,136 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)] === [2024-11-09 10:34:18,136 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 10:34:18,136 INFO L85 PathProgramCache]: Analyzing trace with hash 297769103, now seen corresponding path program 1 times [2024-11-09 10:34:18,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 10:34:18,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385926270] [2024-11-09 10:34:18,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 10:34:18,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 10:34:18,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 10:34:18,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 10:34:18,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 10:34:18,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385926270] [2024-11-09 10:34:18,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [385926270] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 10:34:18,264 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 10:34:18,264 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 10:34:18,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564021394] [2024-11-09 10:34:18,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 10:34:18,264 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 10:34:18,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 10:34:18,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 10:34:18,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-09 10:34:18,276 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 43 [2024-11-09 10:34:18,276 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 50 transitions, 353 flow. Second operand has 6 states, 6 states have (on average 20.166666666666668) internal successors, (121), 6 states have internal predecessors, (121), 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) [2024-11-09 10:34:18,276 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 10:34:18,276 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 43 [2024-11-09 10:34:18,276 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 10:34:18,493 INFO L124 PetriNetUnfolderBase]: 771/1631 cut-off events. [2024-11-09 10:34:18,493 INFO L125 PetriNetUnfolderBase]: For 6835/6845 co-relation queries the response was YES. [2024-11-09 10:34:18,498 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5729 conditions, 1631 events. 771/1631 cut-off events. For 6835/6845 co-relation queries the response was YES. Maximal size of possible extension queue 133. Compared 11602 event pairs, 122 based on Foata normal form. 35/1643 useless extension candidates. Maximal degree in co-relation 5697. Up to 460 conditions per place. [2024-11-09 10:34:18,504 INFO L140 encePairwiseOnDemand]: 34/43 looper letters, 38 selfloop transitions, 14 changer transitions 32/98 dead transitions. [2024-11-09 10:34:18,505 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 98 transitions, 849 flow [2024-11-09 10:34:18,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-09 10:34:18,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-09 10:34:18,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 250 transitions. [2024-11-09 10:34:18,506 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5813953488372093 [2024-11-09 10:34:18,506 INFO L175 Difference]: Start difference. First operand has 76 places, 50 transitions, 353 flow. Second operand 10 states and 250 transitions. [2024-11-09 10:34:18,506 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 98 transitions, 849 flow [2024-11-09 10:34:18,518 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 98 transitions, 783 flow, removed 33 selfloop flow, removed 10 redundant places. [2024-11-09 10:34:18,519 INFO L231 Difference]: Finished difference. Result has 78 places, 53 transitions, 430 flow [2024-11-09 10:34:18,519 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=317, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=430, PETRI_PLACES=78, PETRI_TRANSITIONS=53} [2024-11-09 10:34:18,520 INFO L277 CegarLoopForPetriNet]: 47 programPoint places, 31 predicate places. [2024-11-09 10:34:18,520 INFO L471 AbstractCegarLoop]: Abstraction has has 78 places, 53 transitions, 430 flow [2024-11-09 10:34:18,520 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 20.166666666666668) internal successors, (121), 6 states have internal predecessors, (121), 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) [2024-11-09 10:34:18,520 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 10:34:18,520 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] [2024-11-09 10:34:18,520 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 10:34:18,521 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)] === [2024-11-09 10:34:18,521 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 10:34:18,521 INFO L85 PathProgramCache]: Analyzing trace with hash -1762118681, now seen corresponding path program 1 times [2024-11-09 10:34:18,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 10:34:18,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878593857] [2024-11-09 10:34:18,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 10:34:18,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 10:34:18,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 10:34:18,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 10:34:18,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 10:34:18,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878593857] [2024-11-09 10:34:18,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878593857] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 10:34:18,606 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 10:34:18,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 10:34:18,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415206080] [2024-11-09 10:34:18,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 10:34:18,607 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 10:34:18,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 10:34:18,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 10:34:18,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 10:34:18,610 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 21 out of 43 [2024-11-09 10:34:18,610 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 53 transitions, 430 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) [2024-11-09 10:34:18,610 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 10:34:18,610 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 21 of 43 [2024-11-09 10:34:18,610 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 10:34:18,789 INFO L124 PetriNetUnfolderBase]: 616/1459 cut-off events. [2024-11-09 10:34:18,790 INFO L125 PetriNetUnfolderBase]: For 6756/6846 co-relation queries the response was YES. [2024-11-09 10:34:18,794 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4872 conditions, 1459 events. 616/1459 cut-off events. For 6756/6846 co-relation queries the response was YES. Maximal size of possible extension queue 119. Compared 11137 event pairs, 222 based on Foata normal form. 78/1451 useless extension candidates. Maximal degree in co-relation 4839. Up to 527 conditions per place. [2024-11-09 10:34:18,799 INFO L140 encePairwiseOnDemand]: 38/43 looper letters, 28 selfloop transitions, 8 changer transitions 20/83 dead transitions. [2024-11-09 10:34:18,799 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 83 transitions, 712 flow [2024-11-09 10:34:18,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 10:34:18,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-09 10:34:18,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 194 transitions. [2024-11-09 10:34:18,800 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6445182724252492 [2024-11-09 10:34:18,800 INFO L175 Difference]: Start difference. First operand has 78 places, 53 transitions, 430 flow. Second operand 7 states and 194 transitions. [2024-11-09 10:34:18,800 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 83 transitions, 712 flow [2024-11-09 10:34:18,808 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 83 transitions, 650 flow, removed 21 selfloop flow, removed 6 redundant places. [2024-11-09 10:34:18,809 INFO L231 Difference]: Finished difference. Result has 77 places, 52 transitions, 416 flow [2024-11-09 10:34:18,809 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=398, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=53, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=416, PETRI_PLACES=77, PETRI_TRANSITIONS=52} [2024-11-09 10:34:18,810 INFO L277 CegarLoopForPetriNet]: 47 programPoint places, 30 predicate places. [2024-11-09 10:34:18,810 INFO L471 AbstractCegarLoop]: Abstraction has has 77 places, 52 transitions, 416 flow [2024-11-09 10:34:18,810 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) [2024-11-09 10:34:18,810 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 10:34:18,810 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] [2024-11-09 10:34:18,810 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 10:34:18,811 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)] === [2024-11-09 10:34:18,811 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 10:34:18,811 INFO L85 PathProgramCache]: Analyzing trace with hash -974561241, now seen corresponding path program 1 times [2024-11-09 10:34:18,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 10:34:18,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629790890] [2024-11-09 10:34:18,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 10:34:18,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 10:34:18,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 10:34:18,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 10:34:18,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 10:34:18,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [629790890] [2024-11-09 10:34:18,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [629790890] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 10:34:18,906 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 10:34:18,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 10:34:18,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234343074] [2024-11-09 10:34:18,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 10:34:18,906 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 10:34:18,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 10:34:18,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 10:34:18,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-09 10:34:18,915 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 43 [2024-11-09 10:34:18,915 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 52 transitions, 416 flow. Second operand has 7 states, 7 states have (on average 19.0) internal successors, (133), 7 states have internal predecessors, (133), 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) [2024-11-09 10:34:18,915 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 10:34:18,915 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 43 [2024-11-09 10:34:18,915 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 10:34:19,179 INFO L124 PetriNetUnfolderBase]: 1200/2450 cut-off events. [2024-11-09 10:34:19,179 INFO L125 PetriNetUnfolderBase]: For 12127/12133 co-relation queries the response was YES. [2024-11-09 10:34:19,186 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8345 conditions, 2450 events. 1200/2450 cut-off events. For 12127/12133 co-relation queries the response was YES. Maximal size of possible extension queue 193. Compared 18583 event pairs, 201 based on Foata normal form. 71/2482 useless extension candidates. Maximal degree in co-relation 8319. Up to 556 conditions per place. [2024-11-09 10:34:19,191 INFO L140 encePairwiseOnDemand]: 34/43 looper letters, 39 selfloop transitions, 7 changer transitions 63/122 dead transitions. [2024-11-09 10:34:19,191 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 122 transitions, 1241 flow [2024-11-09 10:34:19,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 10:34:19,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-09 10:34:19,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 231 transitions. [2024-11-09 10:34:19,192 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5968992248062015 [2024-11-09 10:34:19,192 INFO L175 Difference]: Start difference. First operand has 77 places, 52 transitions, 416 flow. Second operand 9 states and 231 transitions. [2024-11-09 10:34:19,192 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 122 transitions, 1241 flow [2024-11-09 10:34:19,206 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 122 transitions, 1175 flow, removed 23 selfloop flow, removed 6 redundant places. [2024-11-09 10:34:19,208 INFO L231 Difference]: Finished difference. Result has 81 places, 41 transitions, 287 flow [2024-11-09 10:34:19,208 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=392, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=287, PETRI_PLACES=81, PETRI_TRANSITIONS=41} [2024-11-09 10:34:19,208 INFO L277 CegarLoopForPetriNet]: 47 programPoint places, 34 predicate places. [2024-11-09 10:34:19,209 INFO L471 AbstractCegarLoop]: Abstraction has has 81 places, 41 transitions, 287 flow [2024-11-09 10:34:19,209 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 19.0) internal successors, (133), 7 states have internal predecessors, (133), 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) [2024-11-09 10:34:19,209 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 10:34:19,209 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 10:34:19,209 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 10:34:19,209 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)] === [2024-11-09 10:34:19,209 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 10:34:19,210 INFO L85 PathProgramCache]: Analyzing trace with hash 1815856960, now seen corresponding path program 1 times [2024-11-09 10:34:19,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 10:34:19,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934423331] [2024-11-09 10:34:19,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 10:34:19,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 10:34:19,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 10:34:19,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 10:34:19,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 10:34:19,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934423331] [2024-11-09 10:34:19,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [934423331] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 10:34:19,286 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 10:34:19,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 10:34:19,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011049411] [2024-11-09 10:34:19,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 10:34:19,286 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 10:34:19,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 10:34:19,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 10:34:19,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 10:34:19,294 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 21 out of 43 [2024-11-09 10:34:19,294 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 41 transitions, 287 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) [2024-11-09 10:34:19,294 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 10:34:19,294 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 21 of 43 [2024-11-09 10:34:19,295 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 10:34:19,451 INFO L124 PetriNetUnfolderBase]: 836/1647 cut-off events. [2024-11-09 10:34:19,451 INFO L125 PetriNetUnfolderBase]: For 2784/2835 co-relation queries the response was YES. [2024-11-09 10:34:19,455 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4119 conditions, 1647 events. 836/1647 cut-off events. For 2784/2835 co-relation queries the response was YES. Maximal size of possible extension queue 120. Compared 10651 event pairs, 246 based on Foata normal form. 87/1654 useless extension candidates. Maximal degree in co-relation 4092. Up to 807 conditions per place. [2024-11-09 10:34:19,459 INFO L140 encePairwiseOnDemand]: 37/43 looper letters, 27 selfloop transitions, 5 changer transitions 0/56 dead transitions. [2024-11-09 10:34:19,459 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 56 transitions, 385 flow [2024-11-09 10:34:19,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 10:34:19,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-09 10:34:19,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 118 transitions. [2024-11-09 10:34:19,460 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.686046511627907 [2024-11-09 10:34:19,460 INFO L175 Difference]: Start difference. First operand has 81 places, 41 transitions, 287 flow. Second operand 4 states and 118 transitions. [2024-11-09 10:34:19,460 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 56 transitions, 385 flow [2024-11-09 10:34:19,465 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 56 transitions, 291 flow, removed 17 selfloop flow, removed 17 redundant places. [2024-11-09 10:34:19,466 INFO L231 Difference]: Finished difference. Result has 65 places, 45 transitions, 231 flow [2024-11-09 10:34:19,466 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=193, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=231, PETRI_PLACES=65, PETRI_TRANSITIONS=45} [2024-11-09 10:34:19,467 INFO L277 CegarLoopForPetriNet]: 47 programPoint places, 18 predicate places. [2024-11-09 10:34:19,468 INFO L471 AbstractCegarLoop]: Abstraction has has 65 places, 45 transitions, 231 flow [2024-11-09 10:34:19,468 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) [2024-11-09 10:34:19,469 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 10:34:19,469 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 10:34:19,469 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-09 10:34:19,469 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)] === [2024-11-09 10:34:19,469 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 10:34:19,469 INFO L85 PathProgramCache]: Analyzing trace with hash -1084386139, now seen corresponding path program 1 times [2024-11-09 10:34:19,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 10:34:19,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72266690] [2024-11-09 10:34:19,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 10:34:19,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 10:34:19,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 10:34:19,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 10:34:19,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 10:34:19,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72266690] [2024-11-09 10:34:19,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [72266690] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 10:34:19,565 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 10:34:19,565 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 10:34:19,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867971161] [2024-11-09 10:34:19,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 10:34:19,565 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 10:34:19,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 10:34:19,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 10:34:19,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 10:34:19,571 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 21 out of 43 [2024-11-09 10:34:19,572 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 45 transitions, 231 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) [2024-11-09 10:34:19,572 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 10:34:19,572 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 21 of 43 [2024-11-09 10:34:19,572 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 10:34:19,692 INFO L124 PetriNetUnfolderBase]: 627/1236 cut-off events. [2024-11-09 10:34:19,692 INFO L125 PetriNetUnfolderBase]: For 663/964 co-relation queries the response was YES. [2024-11-09 10:34:19,695 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3148 conditions, 1236 events. 627/1236 cut-off events. For 663/964 co-relation queries the response was YES. Maximal size of possible extension queue 101. Compared 7275 event pairs, 73 based on Foata normal form. 95/1265 useless extension candidates. Maximal degree in co-relation 3130. Up to 520 conditions per place. [2024-11-09 10:34:19,697 INFO L140 encePairwiseOnDemand]: 37/43 looper letters, 28 selfloop transitions, 8 changer transitions 9/66 dead transitions. [2024-11-09 10:34:19,697 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 66 transitions, 378 flow [2024-11-09 10:34:19,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 10:34:19,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-09 10:34:19,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 149 transitions. [2024-11-09 10:34:19,699 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6930232558139535 [2024-11-09 10:34:19,699 INFO L175 Difference]: Start difference. First operand has 65 places, 45 transitions, 231 flow. Second operand 5 states and 149 transitions. [2024-11-09 10:34:19,699 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 66 transitions, 378 flow [2024-11-09 10:34:19,700 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 66 transitions, 353 flow, removed 7 selfloop flow, removed 5 redundant places. [2024-11-09 10:34:19,701 INFO L231 Difference]: Finished difference. Result has 66 places, 43 transitions, 220 flow [2024-11-09 10:34:19,701 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=207, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=220, PETRI_PLACES=66, PETRI_TRANSITIONS=43} [2024-11-09 10:34:19,702 INFO L277 CegarLoopForPetriNet]: 47 programPoint places, 19 predicate places. [2024-11-09 10:34:19,702 INFO L471 AbstractCegarLoop]: Abstraction has has 66 places, 43 transitions, 220 flow [2024-11-09 10:34:19,702 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) [2024-11-09 10:34:19,702 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 10:34:19,703 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] [2024-11-09 10:34:19,703 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-09 10:34:19,703 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)] === [2024-11-09 10:34:19,703 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 10:34:19,703 INFO L85 PathProgramCache]: Analyzing trace with hash 2063152150, now seen corresponding path program 1 times [2024-11-09 10:34:19,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 10:34:19,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503107378] [2024-11-09 10:34:19,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 10:34:19,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 10:34:19,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 10:34:19,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 10:34:19,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 10:34:19,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503107378] [2024-11-09 10:34:19,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1503107378] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 10:34:19,794 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 10:34:19,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 10:34:19,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590047081] [2024-11-09 10:34:19,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 10:34:19,795 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 10:34:19,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 10:34:19,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 10:34:19,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-09 10:34:19,802 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 21 out of 43 [2024-11-09 10:34:19,802 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 43 transitions, 220 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) [2024-11-09 10:34:19,802 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 10:34:19,802 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 21 of 43 [2024-11-09 10:34:19,802 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 10:34:19,886 INFO L124 PetriNetUnfolderBase]: 313/595 cut-off events. [2024-11-09 10:34:19,887 INFO L125 PetriNetUnfolderBase]: For 969/1289 co-relation queries the response was YES. [2024-11-09 10:34:19,888 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1829 conditions, 595 events. 313/595 cut-off events. For 969/1289 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 2816 event pairs, 17 based on Foata normal form. 72/631 useless extension candidates. Maximal degree in co-relation 1813. Up to 248 conditions per place. [2024-11-09 10:34:19,889 INFO L140 encePairwiseOnDemand]: 37/43 looper letters, 0 selfloop transitions, 0 changer transitions 57/57 dead transitions. [2024-11-09 10:34:19,889 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 57 transitions, 331 flow [2024-11-09 10:34:19,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 10:34:19,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-09 10:34:19,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 167 transitions. [2024-11-09 10:34:19,890 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6472868217054264 [2024-11-09 10:34:19,890 INFO L175 Difference]: Start difference. First operand has 66 places, 43 transitions, 220 flow. Second operand 6 states and 167 transitions. [2024-11-09 10:34:19,890 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 57 transitions, 331 flow [2024-11-09 10:34:19,891 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 57 transitions, 294 flow, removed 5 selfloop flow, removed 7 redundant places. [2024-11-09 10:34:19,892 INFO L231 Difference]: Finished difference. Result has 59 places, 0 transitions, 0 flow [2024-11-09 10:34:19,892 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=171, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=59, PETRI_TRANSITIONS=0} [2024-11-09 10:34:19,893 INFO L277 CegarLoopForPetriNet]: 47 programPoint places, 12 predicate places. [2024-11-09 10:34:19,893 INFO L471 AbstractCegarLoop]: Abstraction has has 59 places, 0 transitions, 0 flow [2024-11-09 10:34:19,893 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) [2024-11-09 10:34:19,895 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (4 of 5 remaining) [2024-11-09 10:34:19,896 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (3 of 5 remaining) [2024-11-09 10:34:19,896 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2024-11-09 10:34:19,896 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2024-11-09 10:34:19,896 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2024-11-09 10:34:19,896 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-09 10:34:19,896 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 10:34:19,899 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-09 10:34:19,899 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 10:34:19,902 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 10:34:19 BasicIcfg [2024-11-09 10:34:19,903 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 10:34:19,903 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 10:34:19,903 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 10:34:19,903 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 10:34:19,903 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 10:34:15" (3/4) ... [2024-11-09 10:34:19,905 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 10:34:19,908 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-11-09 10:34:19,908 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-11-09 10:34:19,908 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2024-11-09 10:34:19,911 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 37 nodes and edges [2024-11-09 10:34:19,911 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-09 10:34:19,911 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-09 10:34:19,911 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-09 10:34:19,977 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-09 10:34:19,980 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-09 10:34:19,980 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 10:34:19,981 INFO L158 Benchmark]: Toolchain (without parser) took 4989.33ms. Allocated memory was 203.4MB in the beginning and 274.7MB in the end (delta: 71.3MB). Free memory was 171.6MB in the beginning and 88.8MB in the end (delta: 82.9MB). Peak memory consumption was 154.9MB. Max. memory is 16.1GB. [2024-11-09 10:34:19,981 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 134.2MB. Free memory is still 98.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 10:34:19,981 INFO L158 Benchmark]: CACSL2BoogieTranslator took 405.94ms. Allocated memory is still 203.4MB. Free memory was 171.1MB in the beginning and 148.7MB in the end (delta: 22.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-09 10:34:19,981 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.02ms. Allocated memory is still 203.4MB. Free memory was 148.7MB in the beginning and 146.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 10:34:19,981 INFO L158 Benchmark]: Boogie Preprocessor took 42.23ms. Allocated memory is still 203.4MB. Free memory was 146.6MB in the beginning and 144.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 10:34:19,982 INFO L158 Benchmark]: RCFGBuilder took 380.75ms. Allocated memory is still 203.4MB. Free memory was 144.5MB in the beginning and 125.0MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-09 10:34:19,982 INFO L158 Benchmark]: TraceAbstraction took 4040.24ms. Allocated memory was 203.4MB in the beginning and 274.7MB in the end (delta: 71.3MB). Free memory was 124.4MB in the beginning and 93.0MB in the end (delta: 31.5MB). Peak memory consumption was 104.5MB. Max. memory is 16.1GB. [2024-11-09 10:34:19,982 INFO L158 Benchmark]: Witness Printer took 77.31ms. Allocated memory is still 274.7MB. Free memory was 93.0MB in the beginning and 88.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 10:34:19,983 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 134.2MB. Free memory is still 98.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 405.94ms. Allocated memory is still 203.4MB. Free memory was 171.1MB in the beginning and 148.7MB in the end (delta: 22.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.02ms. Allocated memory is still 203.4MB. Free memory was 148.7MB in the beginning and 146.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.23ms. Allocated memory is still 203.4MB. Free memory was 146.6MB in the beginning and 144.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 380.75ms. Allocated memory is still 203.4MB. Free memory was 144.5MB in the beginning and 125.0MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 4040.24ms. Allocated memory was 203.4MB in the beginning and 274.7MB in the end (delta: 71.3MB). Free memory was 124.4MB in the beginning and 93.0MB in the end (delta: 31.5MB). Peak memory consumption was 104.5MB. Max. memory is 16.1GB. * Witness Printer took 77.31ms. Allocated memory is still 274.7MB. Free memory was 93.0MB in the beginning and 88.8MB 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: 774]: 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: 3.9s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 403 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 387 mSDsluCounter, 265 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 193 mSDsCounter, 40 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 821 IncrementalHoareTripleChecker+Invalid, 861 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 40 mSolverCounterUnsat, 72 mSDtfsCounter, 821 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 76 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=430occurred in iteration=5, InterpolantAutomatonStates: 73, 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, 1.1s InterpolantComputationTime, 196 NumberOfCodeBlocks, 196 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 186 ConstructedInterpolants, 0 QuantifiedInterpolants, 760 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! [2024-11-09 10:34:20,012 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE