./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/pthread-wmm/safe015_pso.oepc_pso.opt_tso.oepc_tso.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/pthread-wmm/safe015_pso.oepc_pso.opt_tso.oepc_tso.opt.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 5350e4ca2594121b974c795f0a5f8bd0219ad1e56ba65ceaff14b5f6479d7178 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 03:20:33,392 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 03:20:33,438 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-11-17 03:20:33,443 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 03:20:33,443 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 03:20:33,460 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 03:20:33,461 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 03:20:33,461 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 03:20:33,462 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 03:20:33,462 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 03:20:33,462 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 03:20:33,462 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 03:20:33,463 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 03:20:33,463 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 03:20:33,463 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 03:20:33,464 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 03:20:33,464 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 03:20:33,464 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 03:20:33,465 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 03:20:33,465 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 03:20:33,465 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-17 03:20:33,469 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-17 03:20:33,470 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-17 03:20:33,470 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 03:20:33,470 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-17 03:20:33,470 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 03:20:33,471 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 03:20:33,471 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 03:20:33,471 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 03:20:33,471 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 03:20:33,472 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 03:20:33,472 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 03:20:33,472 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 03:20:33,472 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 03:20:33,473 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 03:20:33,473 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 03:20:33,473 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 03:20:33,473 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-17 03:20:33,474 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 03:20:33,474 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 03:20:33,474 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 03:20:33,474 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 03:20:33,475 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5350e4ca2594121b974c795f0a5f8bd0219ad1e56ba65ceaff14b5f6479d7178 [2024-11-17 03:20:33,683 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 03:20:33,707 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 03:20:33,709 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 03:20:33,710 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 03:20:33,711 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 03:20:33,712 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe015_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-11-17 03:20:35,155 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 03:20:35,433 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 03:20:35,434 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe015_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-11-17 03:20:35,447 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f46005ca2/19ea1c79ed894adb934c35b87534c168/FLAG4ff1b66ab [2024-11-17 03:20:35,719 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f46005ca2/19ea1c79ed894adb934c35b87534c168 [2024-11-17 03:20:35,721 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 03:20:35,722 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 03:20:35,723 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 03:20:35,723 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 03:20:35,727 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 03:20:35,729 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 03:20:35" (1/1) ... [2024-11-17 03:20:35,730 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e076ee0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:20:35, skipping insertion in model container [2024-11-17 03:20:35,730 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 03:20:35" (1/1) ... [2024-11-17 03:20:35,784 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 03:20:36,121 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 03:20:36,132 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 03:20:36,172 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 03:20:36,225 INFO L204 MainTranslator]: Completed translation [2024-11-17 03:20:36,229 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:20:36 WrapperNode [2024-11-17 03:20:36,230 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 03:20:36,231 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 03:20:36,231 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 03:20:36,231 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 03:20:36,243 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:20:36" (1/1) ... [2024-11-17 03:20:36,257 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:20:36" (1/1) ... [2024-11-17 03:20:36,308 INFO L138 Inliner]: procedures = 175, calls = 44, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 59 [2024-11-17 03:20:36,308 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 03:20:36,309 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 03:20:36,309 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 03:20:36,312 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 03:20:36,320 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:20:36" (1/1) ... [2024-11-17 03:20:36,321 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:20:36" (1/1) ... [2024-11-17 03:20:36,323 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:20:36" (1/1) ... [2024-11-17 03:20:36,350 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-17 03:20:36,354 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:20:36" (1/1) ... [2024-11-17 03:20:36,354 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:20:36" (1/1) ... [2024-11-17 03:20:36,359 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:20:36" (1/1) ... [2024-11-17 03:20:36,363 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:20:36" (1/1) ... [2024-11-17 03:20:36,365 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:20:36" (1/1) ... [2024-11-17 03:20:36,368 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:20:36" (1/1) ... [2024-11-17 03:20:36,369 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 03:20:36,370 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 03:20:36,370 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 03:20:36,370 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 03:20:36,371 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:20:36" (1/1) ... [2024-11-17 03:20:36,375 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 03:20:36,387 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:20:36,412 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-17 03:20:36,421 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-17 03:20:36,452 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-17 03:20:36,452 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 03:20:36,452 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-17 03:20:36,452 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-17 03:20:36,452 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-17 03:20:36,452 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-17 03:20:36,452 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-17 03:20:36,452 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-17 03:20:36,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-17 03:20:36,453 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-17 03:20:36,453 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 03:20:36,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 03:20:36,454 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-17 03:20:36,567 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 03:20:36,568 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 03:20:36,700 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-17 03:20:36,700 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 03:20:36,777 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 03:20:36,777 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 03:20:36,777 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 03:20:36 BoogieIcfgContainer [2024-11-17 03:20:36,778 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 03:20:36,781 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 03:20:36,781 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 03:20:36,783 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 03:20:36,783 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 03:20:35" (1/3) ... [2024-11-17 03:20:36,784 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10121eed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 03:20:36, skipping insertion in model container [2024-11-17 03:20:36,784 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:20:36" (2/3) ... [2024-11-17 03:20:36,784 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10121eed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 03:20:36, skipping insertion in model container [2024-11-17 03:20:36,785 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 03:20:36" (3/3) ... [2024-11-17 03:20:36,785 INFO L112 eAbstractionObserver]: Analyzing ICFG safe015_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-11-17 03:20:36,797 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 03:20:36,798 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-17 03:20:36,798 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-17 03:20:36,838 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-17 03:20:36,880 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 52 places, 44 transitions, 100 flow [2024-11-17 03:20:36,908 INFO L124 PetriNetUnfolderBase]: 2/41 cut-off events. [2024-11-17 03:20:36,908 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-17 03:20:36,911 INFO L83 FinitePrefix]: Finished finitePrefix Result has 51 conditions, 41 events. 2/41 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 77 event pairs, 0 based on Foata normal form. 0/37 useless extension candidates. Maximal degree in co-relation 43. Up to 2 conditions per place. [2024-11-17 03:20:36,911 INFO L82 GeneralOperation]: Start removeDead. Operand has 52 places, 44 transitions, 100 flow [2024-11-17 03:20:36,914 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 48 places, 40 transitions, 89 flow [2024-11-17 03:20:36,921 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-17 03:20:36,927 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;@2889c7d4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 03:20:36,928 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-11-17 03:20:36,958 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-17 03:20:36,958 INFO L124 PetriNetUnfolderBase]: 2/38 cut-off events. [2024-11-17 03:20:36,958 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-17 03:20:36,959 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-17 03:20:36,959 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:20:36,960 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-17 03:20:36,964 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:20:36,964 INFO L85 PathProgramCache]: Analyzing trace with hash 682874725, now seen corresponding path program 1 times [2024-11-17 03:20:36,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:20:36,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572390305] [2024-11-17 03:20:36,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:20:36,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:20:37,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:20:37,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:20:37,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:20:37,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572390305] [2024-11-17 03:20:37,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [572390305] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:20:37,290 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:20:37,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-17 03:20:37,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752363054] [2024-11-17 03:20:37,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:20:37,300 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 03:20:37,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:20:37,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 03:20:37,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 03:20:37,330 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 44 [2024-11-17 03:20:37,332 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 40 transitions, 89 flow. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:20:37,332 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-17 03:20:37,332 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 44 [2024-11-17 03:20:37,333 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-17 03:20:38,177 INFO L124 PetriNetUnfolderBase]: 5627/8761 cut-off events. [2024-11-17 03:20:38,178 INFO L125 PetriNetUnfolderBase]: For 41/41 co-relation queries the response was YES. [2024-11-17 03:20:38,196 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16860 conditions, 8761 events. 5627/8761 cut-off events. For 41/41 co-relation queries the response was YES. Maximal size of possible extension queue 332. Compared 52779 event pairs, 5627 based on Foata normal form. 756/9512 useless extension candidates. Maximal degree in co-relation 16849. Up to 7994 conditions per place. [2024-11-17 03:20:38,233 INFO L140 encePairwiseOnDemand]: 40/44 looper letters, 28 selfloop transitions, 1 changer transitions 1/36 dead transitions. [2024-11-17 03:20:38,233 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 36 transitions, 141 flow [2024-11-17 03:20:38,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 03:20:38,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-17 03:20:38,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 60 transitions. [2024-11-17 03:20:38,244 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.45454545454545453 [2024-11-17 03:20:38,245 INFO L175 Difference]: Start difference. First operand has 48 places, 40 transitions, 89 flow. Second operand 3 states and 60 transitions. [2024-11-17 03:20:38,246 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 36 transitions, 141 flow [2024-11-17 03:20:38,250 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 36 transitions, 138 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-17 03:20:38,252 INFO L231 Difference]: Finished difference. Result has 45 places, 35 transitions, 78 flow [2024-11-17 03:20:38,255 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=78, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=78, PETRI_PLACES=45, PETRI_TRANSITIONS=35} [2024-11-17 03:20:38,259 INFO L277 CegarLoopForPetriNet]: 48 programPoint places, -3 predicate places. [2024-11-17 03:20:38,260 INFO L471 AbstractCegarLoop]: Abstraction has has 45 places, 35 transitions, 78 flow [2024-11-17 03:20:38,260 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:20:38,260 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-17 03:20:38,261 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:20:38,261 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-17 03:20:38,261 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-17 03:20:38,262 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:20:38,263 INFO L85 PathProgramCache]: Analyzing trace with hash 682875190, now seen corresponding path program 1 times [2024-11-17 03:20:38,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:20:38,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908650145] [2024-11-17 03:20:38,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:20:38,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:20:38,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:20:38,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:20:38,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:20:38,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908650145] [2024-11-17 03:20:38,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1908650145] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:20:38,627 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:20:38,627 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 03:20:38,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421778677] [2024-11-17 03:20:38,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:20:38,628 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 03:20:38,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:20:38,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 03:20:38,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 03:20:38,633 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 44 [2024-11-17 03:20:38,634 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 35 transitions, 78 flow. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:20:38,634 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-17 03:20:38,634 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 44 [2024-11-17 03:20:38,634 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-17 03:20:39,126 INFO L124 PetriNetUnfolderBase]: 4015/6429 cut-off events. [2024-11-17 03:20:39,127 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-17 03:20:39,133 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12435 conditions, 6429 events. 4015/6429 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 243. Compared 38417 event pairs, 661 based on Foata normal form. 252/6676 useless extension candidates. Maximal degree in co-relation 12429. Up to 3409 conditions per place. [2024-11-17 03:20:39,152 INFO L140 encePairwiseOnDemand]: 38/44 looper letters, 58 selfloop transitions, 5 changer transitions 1/70 dead transitions. [2024-11-17 03:20:39,152 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 70 transitions, 280 flow [2024-11-17 03:20:39,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 03:20:39,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-17 03:20:39,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 106 transitions. [2024-11-17 03:20:39,155 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6022727272727273 [2024-11-17 03:20:39,155 INFO L175 Difference]: Start difference. First operand has 45 places, 35 transitions, 78 flow. Second operand 4 states and 106 transitions. [2024-11-17 03:20:39,155 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 70 transitions, 280 flow [2024-11-17 03:20:39,156 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 70 transitions, 279 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-17 03:20:39,158 INFO L231 Difference]: Finished difference. Result has 48 places, 38 transitions, 111 flow [2024-11-17 03:20:39,159 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=77, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=111, PETRI_PLACES=48, PETRI_TRANSITIONS=38} [2024-11-17 03:20:39,160 INFO L277 CegarLoopForPetriNet]: 48 programPoint places, 0 predicate places. [2024-11-17 03:20:39,160 INFO L471 AbstractCegarLoop]: Abstraction has has 48 places, 38 transitions, 111 flow [2024-11-17 03:20:39,160 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:20:39,160 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-17 03:20:39,161 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:20:39,161 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-17 03:20:39,162 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-17 03:20:39,162 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:20:39,162 INFO L85 PathProgramCache]: Analyzing trace with hash -2107499073, now seen corresponding path program 1 times [2024-11-17 03:20:39,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:20:39,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186536127] [2024-11-17 03:20:39,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:20:39,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:20:39,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:20:39,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:20:39,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:20:39,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186536127] [2024-11-17 03:20:39,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [186536127] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:20:39,382 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:20:39,382 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 03:20:39,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552461181] [2024-11-17 03:20:39,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:20:39,383 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 03:20:39,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:20:39,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 03:20:39,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-17 03:20:39,384 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 44 [2024-11-17 03:20:39,384 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 38 transitions, 111 flow. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:20:39,385 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-17 03:20:39,385 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 44 [2024-11-17 03:20:39,385 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-17 03:20:39,746 INFO L124 PetriNetUnfolderBase]: 2207/3533 cut-off events. [2024-11-17 03:20:39,746 INFO L125 PetriNetUnfolderBase]: For 658/658 co-relation queries the response was YES. [2024-11-17 03:20:39,750 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7982 conditions, 3533 events. 2207/3533 cut-off events. For 658/658 co-relation queries the response was YES. Maximal size of possible extension queue 108. Compared 18104 event pairs, 427 based on Foata normal form. 172/3700 useless extension candidates. Maximal degree in co-relation 7973. Up to 1128 conditions per place. [2024-11-17 03:20:39,759 INFO L140 encePairwiseOnDemand]: 38/44 looper letters, 74 selfloop transitions, 8 changer transitions 1/89 dead transitions. [2024-11-17 03:20:39,759 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 89 transitions, 400 flow [2024-11-17 03:20:39,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 03:20:39,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-17 03:20:39,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 135 transitions. [2024-11-17 03:20:39,761 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6136363636363636 [2024-11-17 03:20:39,761 INFO L175 Difference]: Start difference. First operand has 48 places, 38 transitions, 111 flow. Second operand 5 states and 135 transitions. [2024-11-17 03:20:39,761 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 89 transitions, 400 flow [2024-11-17 03:20:39,763 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 89 transitions, 390 flow, removed 1 selfloop flow, removed 2 redundant places. [2024-11-17 03:20:39,764 INFO L231 Difference]: Finished difference. Result has 52 places, 41 transitions, 151 flow [2024-11-17 03:20:39,764 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=103, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=151, PETRI_PLACES=52, PETRI_TRANSITIONS=41} [2024-11-17 03:20:39,764 INFO L277 CegarLoopForPetriNet]: 48 programPoint places, 4 predicate places. [2024-11-17 03:20:39,765 INFO L471 AbstractCegarLoop]: Abstraction has has 52 places, 41 transitions, 151 flow [2024-11-17 03:20:39,765 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:20:39,765 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-17 03:20:39,765 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:20:39,765 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-17 03:20:39,765 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-17 03:20:39,766 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:20:39,766 INFO L85 PathProgramCache]: Analyzing trace with hash -312431908, now seen corresponding path program 1 times [2024-11-17 03:20:39,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:20:39,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813479911] [2024-11-17 03:20:39,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:20:39,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:20:39,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:20:39,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:20:39,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:20:39,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813479911] [2024-11-17 03:20:39,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813479911] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:20:39,885 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:20:39,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-17 03:20:39,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848059657] [2024-11-17 03:20:39,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:20:39,886 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 03:20:39,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:20:39,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 03:20:39,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-17 03:20:39,888 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 44 [2024-11-17 03:20:39,888 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 41 transitions, 151 flow. Second operand has 6 states, 6 states have (on average 13.5) internal successors, (81), 6 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:20:39,889 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-17 03:20:39,889 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 44 [2024-11-17 03:20:39,889 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-17 03:20:40,098 INFO L124 PetriNetUnfolderBase]: 1355/2101 cut-off events. [2024-11-17 03:20:40,100 INFO L125 PetriNetUnfolderBase]: For 1232/1232 co-relation queries the response was YES. [2024-11-17 03:20:40,111 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5224 conditions, 2101 events. 1355/2101 cut-off events. For 1232/1232 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 9394 event pairs, 385 based on Foata normal form. 60/2156 useless extension candidates. Maximal degree in co-relation 5213. Up to 788 conditions per place. [2024-11-17 03:20:40,130 INFO L140 encePairwiseOnDemand]: 38/44 looper letters, 62 selfloop transitions, 11 changer transitions 1/80 dead transitions. [2024-11-17 03:20:40,130 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 80 transitions, 387 flow [2024-11-17 03:20:40,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 03:20:40,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-17 03:20:40,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 136 transitions. [2024-11-17 03:20:40,132 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5151515151515151 [2024-11-17 03:20:40,132 INFO L175 Difference]: Start difference. First operand has 52 places, 41 transitions, 151 flow. Second operand 6 states and 136 transitions. [2024-11-17 03:20:40,132 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 80 transitions, 387 flow [2024-11-17 03:20:40,140 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 80 transitions, 362 flow, removed 4 selfloop flow, removed 4 redundant places. [2024-11-17 03:20:40,142 INFO L231 Difference]: Finished difference. Result has 55 places, 41 transitions, 165 flow [2024-11-17 03:20:40,142 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=129, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=165, PETRI_PLACES=55, PETRI_TRANSITIONS=41} [2024-11-17 03:20:40,143 INFO L277 CegarLoopForPetriNet]: 48 programPoint places, 7 predicate places. [2024-11-17 03:20:40,143 INFO L471 AbstractCegarLoop]: Abstraction has has 55 places, 41 transitions, 165 flow [2024-11-17 03:20:40,143 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.5) internal successors, (81), 6 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:20:40,143 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-17 03:20:40,144 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:20:40,144 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-17 03:20:40,144 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-17 03:20:40,144 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:20:40,144 INFO L85 PathProgramCache]: Analyzing trace with hash 456279569, now seen corresponding path program 1 times [2024-11-17 03:20:40,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:20:40,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688794431] [2024-11-17 03:20:40,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:20:40,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:20:40,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:20:40,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:20:40,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:20:40,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688794431] [2024-11-17 03:20:40,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1688794431] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:20:40,362 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:20:40,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-17 03:20:40,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187006823] [2024-11-17 03:20:40,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:20:40,363 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 03:20:40,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:20:40,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 03:20:40,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-17 03:20:40,368 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 44 [2024-11-17 03:20:40,368 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 41 transitions, 165 flow. Second operand has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:20:40,369 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-17 03:20:40,369 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 44 [2024-11-17 03:20:40,369 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-17 03:20:40,757 INFO L124 PetriNetUnfolderBase]: 2527/3931 cut-off events. [2024-11-17 03:20:40,757 INFO L125 PetriNetUnfolderBase]: For 2935/2935 co-relation queries the response was YES. [2024-11-17 03:20:40,763 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10107 conditions, 3931 events. 2527/3931 cut-off events. For 2935/2935 co-relation queries the response was YES. Maximal size of possible extension queue 160. Compared 20106 event pairs, 588 based on Foata normal form. 16/3940 useless extension candidates. Maximal degree in co-relation 10095. Up to 1394 conditions per place. [2024-11-17 03:20:40,768 INFO L140 encePairwiseOnDemand]: 34/44 looper letters, 59 selfloop transitions, 8 changer transitions 66/139 dead transitions. [2024-11-17 03:20:40,768 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 139 transitions, 829 flow [2024-11-17 03:20:40,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-17 03:20:40,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-17 03:20:40,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 213 transitions. [2024-11-17 03:20:40,770 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.48409090909090907 [2024-11-17 03:20:40,770 INFO L175 Difference]: Start difference. First operand has 55 places, 41 transitions, 165 flow. Second operand 10 states and 213 transitions. [2024-11-17 03:20:40,770 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 139 transitions, 829 flow [2024-11-17 03:20:40,782 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 139 transitions, 635 flow, removed 30 selfloop flow, removed 8 redundant places. [2024-11-17 03:20:40,783 INFO L231 Difference]: Finished difference. Result has 64 places, 46 transitions, 173 flow [2024-11-17 03:20:40,784 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=109, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=173, PETRI_PLACES=64, PETRI_TRANSITIONS=46} [2024-11-17 03:20:40,784 INFO L277 CegarLoopForPetriNet]: 48 programPoint places, 16 predicate places. [2024-11-17 03:20:40,784 INFO L471 AbstractCegarLoop]: Abstraction has has 64 places, 46 transitions, 173 flow [2024-11-17 03:20:40,785 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:20:40,785 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-17 03:20:40,785 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:20:40,785 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-17 03:20:40,785 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-17 03:20:40,785 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:20:40,786 INFO L85 PathProgramCache]: Analyzing trace with hash 192030175, now seen corresponding path program 2 times [2024-11-17 03:20:40,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:20:40,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985986731] [2024-11-17 03:20:40,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:20:40,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:20:40,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:20:40,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:20:40,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:20:40,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985986731] [2024-11-17 03:20:40,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [985986731] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:20:40,916 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:20:40,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-17 03:20:40,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558477781] [2024-11-17 03:20:40,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:20:40,918 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 03:20:40,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:20:40,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 03:20:40,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-17 03:20:40,926 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 44 [2024-11-17 03:20:40,926 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 46 transitions, 173 flow. Second operand has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:20:40,926 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-17 03:20:40,930 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 44 [2024-11-17 03:20:40,930 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-17 03:20:41,247 INFO L124 PetriNetUnfolderBase]: 3194/4938 cut-off events. [2024-11-17 03:20:41,247 INFO L125 PetriNetUnfolderBase]: For 2131/2131 co-relation queries the response was YES. [2024-11-17 03:20:41,255 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12651 conditions, 4938 events. 3194/4938 cut-off events. For 2131/2131 co-relation queries the response was YES. Maximal size of possible extension queue 214. Compared 25891 event pairs, 457 based on Foata normal form. 8/4942 useless extension candidates. Maximal degree in co-relation 12635. Up to 2480 conditions per place. [2024-11-17 03:20:41,261 INFO L140 encePairwiseOnDemand]: 34/44 looper letters, 49 selfloop transitions, 5 changer transitions 64/124 dead transitions. [2024-11-17 03:20:41,262 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 124 transitions, 679 flow [2024-11-17 03:20:41,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 03:20:41,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-17 03:20:41,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 158 transitions. [2024-11-17 03:20:41,263 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.512987012987013 [2024-11-17 03:20:41,263 INFO L175 Difference]: Start difference. First operand has 64 places, 46 transitions, 173 flow. Second operand 7 states and 158 transitions. [2024-11-17 03:20:41,263 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 124 transitions, 679 flow [2024-11-17 03:20:41,266 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 124 transitions, 658 flow, removed 8 selfloop flow, removed 6 redundant places. [2024-11-17 03:20:41,267 INFO L231 Difference]: Finished difference. Result has 63 places, 41 transitions, 161 flow [2024-11-17 03:20:41,268 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=160, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=161, PETRI_PLACES=63, PETRI_TRANSITIONS=41} [2024-11-17 03:20:41,268 INFO L277 CegarLoopForPetriNet]: 48 programPoint places, 15 predicate places. [2024-11-17 03:20:41,268 INFO L471 AbstractCegarLoop]: Abstraction has has 63 places, 41 transitions, 161 flow [2024-11-17 03:20:41,268 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:20:41,269 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-17 03:20:41,269 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:20:41,269 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-17 03:20:41,269 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-17 03:20:41,269 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:20:41,269 INFO L85 PathProgramCache]: Analyzing trace with hash -1689649941, now seen corresponding path program 3 times [2024-11-17 03:20:41,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:20:41,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118028901] [2024-11-17 03:20:41,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:20:41,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:20:41,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:20:41,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:20:41,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:20:41,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118028901] [2024-11-17 03:20:41,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1118028901] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:20:41,444 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:20:41,444 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-17 03:20:41,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074876043] [2024-11-17 03:20:41,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:20:41,444 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 03:20:41,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:20:41,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 03:20:41,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-17 03:20:41,452 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 44 [2024-11-17 03:20:41,453 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 41 transitions, 161 flow. Second operand has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:20:41,456 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-17 03:20:41,456 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 44 [2024-11-17 03:20:41,456 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-17 03:20:41,714 INFO L124 PetriNetUnfolderBase]: 468/794 cut-off events. [2024-11-17 03:20:41,718 INFO L125 PetriNetUnfolderBase]: For 531/531 co-relation queries the response was YES. [2024-11-17 03:20:41,720 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2093 conditions, 794 events. 468/794 cut-off events. For 531/531 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 2820 event pairs, 40 based on Foata normal form. 8/800 useless extension candidates. Maximal degree in co-relation 2083. Up to 516 conditions per place. [2024-11-17 03:20:41,721 INFO L140 encePairwiseOnDemand]: 35/44 looper letters, 0 selfloop transitions, 0 changer transitions 68/68 dead transitions. [2024-11-17 03:20:41,721 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 68 transitions, 359 flow [2024-11-17 03:20:41,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-17 03:20:41,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-17 03:20:41,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 137 transitions. [2024-11-17 03:20:41,726 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.38920454545454547 [2024-11-17 03:20:41,726 INFO L175 Difference]: Start difference. First operand has 63 places, 41 transitions, 161 flow. Second operand 8 states and 137 transitions. [2024-11-17 03:20:41,726 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 68 transitions, 359 flow [2024-11-17 03:20:41,728 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 68 transitions, 315 flow, removed 7 selfloop flow, removed 11 redundant places. [2024-11-17 03:20:41,728 INFO L231 Difference]: Finished difference. Result has 54 places, 0 transitions, 0 flow [2024-11-17 03:20:41,729 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=109, PETRI_DIFFERENCE_MINUEND_PLACES=47, 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=8, PETRI_FLOW=0, PETRI_PLACES=54, PETRI_TRANSITIONS=0} [2024-11-17 03:20:41,729 INFO L277 CegarLoopForPetriNet]: 48 programPoint places, 6 predicate places. [2024-11-17 03:20:41,733 INFO L471 AbstractCegarLoop]: Abstraction has has 54 places, 0 transitions, 0 flow [2024-11-17 03:20:41,733 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:20:41,736 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (4 of 5 remaining) [2024-11-17 03:20:41,737 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (3 of 5 remaining) [2024-11-17 03:20:41,740 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2024-11-17 03:20:41,740 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2024-11-17 03:20:41,741 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2024-11-17 03:20:41,741 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-17 03:20:41,741 INFO L407 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1] [2024-11-17 03:20:41,744 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-17 03:20:41,748 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-17 03:20:41,753 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.11 03:20:41 BasicIcfg [2024-11-17 03:20:41,756 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-17 03:20:41,757 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-17 03:20:41,761 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-17 03:20:41,761 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-17 03:20:41,762 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 03:20:36" (3/4) ... [2024-11-17 03:20:41,764 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-17 03:20:41,766 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure P0 [2024-11-17 03:20:41,770 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure P1 [2024-11-17 03:20:41,770 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure P2 [2024-11-17 03:20:41,774 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 29 nodes and edges [2024-11-17 03:20:41,777 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2024-11-17 03:20:41,777 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-17 03:20:41,778 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-17 03:20:41,882 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-17 03:20:41,882 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-17 03:20:41,882 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-17 03:20:41,883 INFO L158 Benchmark]: Toolchain (without parser) took 6161.08ms. Allocated memory was 161.5MB in the beginning and 503.3MB in the end (delta: 341.8MB). Free memory was 131.5MB in the beginning and 389.0MB in the end (delta: -257.5MB). Peak memory consumption was 84.9MB. Max. memory is 16.1GB. [2024-11-17 03:20:41,884 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 161.5MB. Free memory is still 119.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 03:20:41,884 INFO L158 Benchmark]: CACSL2BoogieTranslator took 507.42ms. Allocated memory is still 161.5MB. Free memory was 131.5MB in the beginning and 108.9MB in the end (delta: 22.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-17 03:20:41,885 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.83ms. Allocated memory is still 161.5MB. Free memory was 108.9MB in the beginning and 106.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 03:20:41,885 INFO L158 Benchmark]: Boogie Preprocessor took 60.50ms. Allocated memory is still 161.5MB. Free memory was 106.9MB in the beginning and 104.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 03:20:41,886 INFO L158 Benchmark]: IcfgBuilder took 407.71ms. Allocated memory is still 161.5MB. Free memory was 104.8MB in the beginning and 83.8MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-17 03:20:41,886 INFO L158 Benchmark]: TraceAbstraction took 4975.68ms. Allocated memory was 161.5MB in the beginning and 503.3MB in the end (delta: 341.8MB). Free memory was 83.3MB in the beginning and 393.2MB in the end (delta: -310.0MB). Peak memory consumption was 32.5MB. Max. memory is 16.1GB. [2024-11-17 03:20:41,886 INFO L158 Benchmark]: Witness Printer took 125.49ms. Allocated memory is still 503.3MB. Free memory was 393.2MB in the beginning and 389.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-17 03:20:41,887 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 161.5MB. Free memory is still 119.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 507.42ms. Allocated memory is still 161.5MB. Free memory was 131.5MB in the beginning and 108.9MB in the end (delta: 22.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.83ms. Allocated memory is still 161.5MB. Free memory was 108.9MB in the beginning and 106.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.50ms. Allocated memory is still 161.5MB. Free memory was 106.9MB in the beginning and 104.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 407.71ms. Allocated memory is still 161.5MB. Free memory was 104.8MB in the beginning and 83.8MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 4975.68ms. Allocated memory was 161.5MB in the beginning and 503.3MB in the end (delta: 341.8MB). Free memory was 83.3MB in the beginning and 393.2MB in the end (delta: -310.0MB). Peak memory consumption was 32.5MB. Max. memory is 16.1GB. * Witness Printer took 125.49ms. Allocated memory is still 503.3MB. Free memory was 393.2MB in the beginning and 389.0MB 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: 776]: 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, 68 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: 4.9s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 3.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 447 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 441 mSDsluCounter, 24 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 24 mSDsCounter, 17 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1040 IncrementalHoareTripleChecker+Invalid, 1057 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17 mSolverCounterUnsat, 0 mSDtfsCounter, 1040 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 51 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=173occurred in iteration=5, InterpolantAutomatonStates: 43, 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, 1.3s InterpolantComputationTime, 168 NumberOfCodeBlocks, 168 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 161 ConstructedInterpolants, 0 QuantifiedInterpolants, 737 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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! [2024-11-17 03:20:41,908 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE