./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/pthread-atomic/time_var_mutex.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 023d838f 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-atomic/time_var_mutex.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 1985bb251db70a1c798d345be7e1671f9dcc6a359b969ca99d23e0003d9a3770 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 17:47:30,307 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 17:47:30,396 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-11-10 17:47:30,403 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 17:47:30,404 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 17:47:30,449 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 17:47:30,450 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 17:47:30,450 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 17:47:30,451 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 17:47:30,452 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 17:47:30,453 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 17:47:30,453 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 17:47:30,454 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 17:47:30,454 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 17:47:30,456 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 17:47:30,456 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 17:47:30,456 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 17:47:30,457 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 17:47:30,457 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 17:47:30,457 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 17:47:30,457 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-10 17:47:30,461 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-10 17:47:30,462 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-10 17:47:30,462 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 17:47:30,462 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-10 17:47:30,462 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 17:47:30,463 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 17:47:30,463 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 17:47:30,463 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 17:47:30,463 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 17:47:30,464 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 17:47:30,464 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 17:47:30,464 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 17:47:30,464 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 17:47:30,465 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 17:47:30,465 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 17:47:30,465 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 17:47:30,465 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 17:47:30,466 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 17:47:30,466 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 17:47:30,466 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 17:47:30,467 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 17:47:30,467 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1985bb251db70a1c798d345be7e1671f9dcc6a359b969ca99d23e0003d9a3770 [2024-11-10 17:47:30,694 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 17:47:30,720 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 17:47:30,724 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 17:47:30,725 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 17:47:30,726 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 17:47:30,727 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-atomic/time_var_mutex.i [2024-11-10 17:47:32,220 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 17:47:32,441 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 17:47:32,442 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-atomic/time_var_mutex.i [2024-11-10 17:47:32,459 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc52d854e/329d399850084cff8586ccc441901ba7/FLAGcb34e4b2d [2024-11-10 17:47:32,475 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc52d854e/329d399850084cff8586ccc441901ba7 [2024-11-10 17:47:32,477 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 17:47:32,479 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 17:47:32,480 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 17:47:32,480 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 17:47:32,485 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 17:47:32,486 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:47:32" (1/1) ... [2024-11-10 17:47:32,487 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60ab3845 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:47:32, skipping insertion in model container [2024-11-10 17:47:32,487 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:47:32" (1/1) ... [2024-11-10 17:47:32,533 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 17:47:32,855 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 17:47:32,873 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 17:47:32,932 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 17:47:32,974 INFO L204 MainTranslator]: Completed translation [2024-11-10 17:47:32,974 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:47:32 WrapperNode [2024-11-10 17:47:32,974 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 17:47:32,975 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 17:47:32,975 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 17:47:32,976 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 17:47:32,982 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:47:32" (1/1) ... [2024-11-10 17:47:32,994 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:47:32" (1/1) ... [2024-11-10 17:47:33,018 INFO L138 Inliner]: procedures = 169, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 91 [2024-11-10 17:47:33,019 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 17:47:33,020 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 17:47:33,020 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 17:47:33,020 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 17:47:33,027 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:47:32" (1/1) ... [2024-11-10 17:47:33,028 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:47:32" (1/1) ... [2024-11-10 17:47:33,030 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:47:32" (1/1) ... [2024-11-10 17:47:33,042 INFO L175 MemorySlicer]: Split 12 memory accesses to 3 slices as follows [2, 5, 5]. 42 percent of accesses are in the largest equivalence class. The 12 initializations are split as follows [2, 5, 5]. The 0 writes are split as follows [0, 0, 0]. [2024-11-10 17:47:33,042 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:47:32" (1/1) ... [2024-11-10 17:47:33,043 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:47:32" (1/1) ... [2024-11-10 17:47:33,051 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:47:32" (1/1) ... [2024-11-10 17:47:33,052 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:47:32" (1/1) ... [2024-11-10 17:47:33,053 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:47:32" (1/1) ... [2024-11-10 17:47:33,055 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:47:32" (1/1) ... [2024-11-10 17:47:33,058 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 17:47:33,059 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 17:47:33,059 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 17:47:33,059 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 17:47:33,060 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:47:32" (1/1) ... [2024-11-10 17:47:33,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 17:47:33,080 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 17:47:33,099 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) [2024-11-10 17:47:33,105 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 [2024-11-10 17:47:33,154 INFO L130 BoogieDeclarations]: Found specification of procedure allocator [2024-11-10 17:47:33,155 INFO L138 BoogieDeclarations]: Found implementation of procedure allocator [2024-11-10 17:47:33,155 INFO L130 BoogieDeclarations]: Found specification of procedure de_allocator [2024-11-10 17:47:33,155 INFO L138 BoogieDeclarations]: Found implementation of procedure de_allocator [2024-11-10 17:47:33,155 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-10 17:47:33,156 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 17:47:33,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 17:47:33,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-10 17:47:33,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-10 17:47:33,156 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-10 17:47:33,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 17:47:33,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 17:47:33,158 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-10 17:47:33,287 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 17:47:33,288 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 17:47:33,501 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-10 17:47:33,502 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 17:47:33,669 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 17:47:33,669 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 17:47:33,670 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 05:47:33 BoogieIcfgContainer [2024-11-10 17:47:33,670 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 17:47:33,674 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 17:47:33,674 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 17:47:33,678 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 17:47:33,678 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 05:47:32" (1/3) ... [2024-11-10 17:47:33,679 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c23a505 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 05:47:33, skipping insertion in model container [2024-11-10 17:47:33,679 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:47:32" (2/3) ... [2024-11-10 17:47:33,679 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c23a505 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 05:47:33, skipping insertion in model container [2024-11-10 17:47:33,679 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 05:47:33" (3/3) ... [2024-11-10 17:47:33,680 INFO L112 eAbstractionObserver]: Analyzing ICFG time_var_mutex.i [2024-11-10 17:47:33,699 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 17:47:33,699 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-11-10 17:47:33,699 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-10 17:47:33,743 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-10 17:47:33,776 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 46 places, 45 transitions, 104 flow [2024-11-10 17:47:33,805 INFO L124 PetriNetUnfolderBase]: 6/43 cut-off events. [2024-11-10 17:47:33,805 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-10 17:47:33,808 INFO L83 FinitePrefix]: Finished finitePrefix Result has 52 conditions, 43 events. 6/43 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 91 event pairs, 0 based on Foata normal form. 0/34 useless extension candidates. Maximal degree in co-relation 38. Up to 3 conditions per place. [2024-11-10 17:47:33,809 INFO L82 GeneralOperation]: Start removeDead. Operand has 46 places, 45 transitions, 104 flow [2024-11-10 17:47:33,830 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 43 places, 42 transitions, 96 flow [2024-11-10 17:47:33,839 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 17:47:33,846 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;@212e0715, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 17:47:33,846 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-10 17:47:33,870 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-10 17:47:33,870 INFO L124 PetriNetUnfolderBase]: 6/36 cut-off events. [2024-11-10 17:47:33,870 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-10 17:47:33,871 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 17:47:33,871 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 17:47:33,872 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting allocatorErr0ASSERT_VIOLATIONMEMORY_LEAK === [allocatorErr0ASSERT_VIOLATIONMEMORY_LEAK, de_allocatorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-10 17:47:33,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 17:47:33,877 INFO L85 PathProgramCache]: Analyzing trace with hash 1829944202, now seen corresponding path program 1 times [2024-11-10 17:47:33,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 17:47:33,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423137318] [2024-11-10 17:47:33,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 17:47:33,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 17:47:34,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 17:47:34,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 17:47:34,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 17:47:34,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423137318] [2024-11-10 17:47:34,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [423137318] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 17:47:34,170 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 17:47:34,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 17:47:34,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27976516] [2024-11-10 17:47:34,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 17:47:34,181 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 17:47:34,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 17:47:34,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 17:47:34,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 17:47:34,222 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 45 [2024-11-10 17:47:34,224 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 42 transitions, 96 flow. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 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) [2024-11-10 17:47:34,224 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 17:47:34,224 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 45 [2024-11-10 17:47:34,225 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 17:47:34,391 INFO L124 PetriNetUnfolderBase]: 175/416 cut-off events. [2024-11-10 17:47:34,391 INFO L125 PetriNetUnfolderBase]: For 14/14 co-relation queries the response was YES. [2024-11-10 17:47:34,394 INFO L83 FinitePrefix]: Finished finitePrefix Result has 770 conditions, 416 events. 175/416 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 2094 event pairs, 95 based on Foata normal form. 70/475 useless extension candidates. Maximal degree in co-relation 726. Up to 180 conditions per place. [2024-11-10 17:47:34,398 INFO L140 encePairwiseOnDemand]: 38/45 looper letters, 28 selfloop transitions, 2 changer transitions 0/43 dead transitions. [2024-11-10 17:47:34,398 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 43 transitions, 161 flow [2024-11-10 17:47:34,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 17:47:34,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 17:47:34,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 82 transitions. [2024-11-10 17:47:34,412 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6074074074074074 [2024-11-10 17:47:34,414 INFO L175 Difference]: Start difference. First operand has 43 places, 42 transitions, 96 flow. Second operand 3 states and 82 transitions. [2024-11-10 17:47:34,415 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 43 transitions, 161 flow [2024-11-10 17:47:34,418 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 43 transitions, 151 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-10 17:47:34,422 INFO L231 Difference]: Finished difference. Result has 39 places, 35 transitions, 78 flow [2024-11-10 17:47:34,424 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=74, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=78, PETRI_PLACES=39, PETRI_TRANSITIONS=35} [2024-11-10 17:47:34,429 INFO L277 CegarLoopForPetriNet]: 43 programPoint places, -4 predicate places. [2024-11-10 17:47:34,430 INFO L471 AbstractCegarLoop]: Abstraction has has 39 places, 35 transitions, 78 flow [2024-11-10 17:47:34,430 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 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) [2024-11-10 17:47:34,431 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 17:47:34,431 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 17:47:34,431 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 17:47:34,432 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting de_allocatorErr0ASSERT_VIOLATIONMEMORY_LEAK === [allocatorErr0ASSERT_VIOLATIONMEMORY_LEAK, de_allocatorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-10 17:47:34,432 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 17:47:34,432 INFO L85 PathProgramCache]: Analyzing trace with hash -1339094910, now seen corresponding path program 1 times [2024-11-10 17:47:34,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 17:47:34,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401749207] [2024-11-10 17:47:34,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 17:47:34,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 17:47:34,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 17:47:34,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 17:47:34,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 17:47:34,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401749207] [2024-11-10 17:47:34,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401749207] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 17:47:34,544 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 17:47:34,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 17:47:34,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392071022] [2024-11-10 17:47:34,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 17:47:34,545 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 17:47:34,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 17:47:34,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 17:47:34,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 17:47:34,557 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 45 [2024-11-10 17:47:34,557 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 35 transitions, 78 flow. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 17:47:34,558 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 17:47:34,558 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 45 [2024-11-10 17:47:34,558 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 17:47:34,699 INFO L124 PetriNetUnfolderBase]: 258/537 cut-off events. [2024-11-10 17:47:34,699 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2024-11-10 17:47:34,701 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1042 conditions, 537 events. 258/537 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 2612 event pairs, 118 based on Foata normal form. 0/500 useless extension candidates. Maximal degree in co-relation 314. Up to 288 conditions per place. [2024-11-10 17:47:34,706 INFO L140 encePairwiseOnDemand]: 39/45 looper letters, 34 selfloop transitions, 4 changer transitions 0/49 dead transitions. [2024-11-10 17:47:34,708 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 49 transitions, 185 flow [2024-11-10 17:47:34,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 17:47:34,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 17:47:34,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 82 transitions. [2024-11-10 17:47:34,712 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6074074074074074 [2024-11-10 17:47:34,713 INFO L175 Difference]: Start difference. First operand has 39 places, 35 transitions, 78 flow. Second operand 3 states and 82 transitions. [2024-11-10 17:47:34,713 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 49 transitions, 185 flow [2024-11-10 17:47:34,714 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 49 transitions, 181 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 17:47:34,716 INFO L231 Difference]: Finished difference. Result has 41 places, 37 transitions, 102 flow [2024-11-10 17:47:34,716 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=74, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=102, PETRI_PLACES=41, PETRI_TRANSITIONS=37} [2024-11-10 17:47:34,717 INFO L277 CegarLoopForPetriNet]: 43 programPoint places, -2 predicate places. [2024-11-10 17:47:34,717 INFO L471 AbstractCegarLoop]: Abstraction has has 41 places, 37 transitions, 102 flow [2024-11-10 17:47:34,717 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 17:47:34,717 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 17:47:34,718 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 17:47:34,718 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 17:47:34,718 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting allocatorErr0ASSERT_VIOLATIONMEMORY_LEAK === [allocatorErr0ASSERT_VIOLATIONMEMORY_LEAK, de_allocatorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-10 17:47:34,721 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 17:47:34,721 INFO L85 PathProgramCache]: Analyzing trace with hash 2080193583, now seen corresponding path program 1 times [2024-11-10 17:47:34,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 17:47:34,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420852721] [2024-11-10 17:47:34,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 17:47:34,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 17:47:34,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 17:47:34,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 17:47:34,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 17:47:34,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420852721] [2024-11-10 17:47:34,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [420852721] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 17:47:34,799 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 17:47:34,799 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 17:47:34,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045851895] [2024-11-10 17:47:34,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 17:47:34,800 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 17:47:34,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 17:47:34,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 17:47:34,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 17:47:34,805 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 45 [2024-11-10 17:47:34,806 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 37 transitions, 102 flow. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 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) [2024-11-10 17:47:34,806 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 17:47:34,807 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 45 [2024-11-10 17:47:34,807 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 17:47:34,912 INFO L124 PetriNetUnfolderBase]: 226/473 cut-off events. [2024-11-10 17:47:34,912 INFO L125 PetriNetUnfolderBase]: For 85/85 co-relation queries the response was YES. [2024-11-10 17:47:34,914 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1023 conditions, 473 events. 226/473 cut-off events. For 85/85 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 2181 event pairs, 122 based on Foata normal form. 25/488 useless extension candidates. Maximal degree in co-relation 407. Up to 276 conditions per place. [2024-11-10 17:47:34,916 INFO L140 encePairwiseOnDemand]: 41/45 looper letters, 34 selfloop transitions, 2 changer transitions 0/47 dead transitions. [2024-11-10 17:47:34,917 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 47 transitions, 193 flow [2024-11-10 17:47:34,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 17:47:34,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 17:47:34,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 80 transitions. [2024-11-10 17:47:34,918 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5925925925925926 [2024-11-10 17:47:34,919 INFO L175 Difference]: Start difference. First operand has 41 places, 37 transitions, 102 flow. Second operand 3 states and 80 transitions. [2024-11-10 17:47:34,919 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 47 transitions, 193 flow [2024-11-10 17:47:34,920 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 47 transitions, 187 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 17:47:34,921 INFO L231 Difference]: Finished difference. Result has 42 places, 36 transitions, 98 flow [2024-11-10 17:47:34,922 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=90, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=98, PETRI_PLACES=42, PETRI_TRANSITIONS=36} [2024-11-10 17:47:34,923 INFO L277 CegarLoopForPetriNet]: 43 programPoint places, -1 predicate places. [2024-11-10 17:47:34,923 INFO L471 AbstractCegarLoop]: Abstraction has has 42 places, 36 transitions, 98 flow [2024-11-10 17:47:34,923 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 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) [2024-11-10 17:47:34,923 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 17:47:34,923 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] [2024-11-10 17:47:34,924 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 17:47:34,924 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting de_allocatorErr0ASSERT_VIOLATIONMEMORY_LEAK === [allocatorErr0ASSERT_VIOLATIONMEMORY_LEAK, de_allocatorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-10 17:47:34,924 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 17:47:34,925 INFO L85 PathProgramCache]: Analyzing trace with hash -2040425287, now seen corresponding path program 1 times [2024-11-10 17:47:34,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 17:47:34,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67736164] [2024-11-10 17:47:34,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 17:47:34,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 17:47:34,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 17:47:35,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 17:47:35,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 17:47:35,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67736164] [2024-11-10 17:47:35,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [67736164] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 17:47:35,040 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 17:47:35,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 17:47:35,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945325422] [2024-11-10 17:47:35,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 17:47:35,041 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 17:47:35,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 17:47:35,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 17:47:35,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 17:47:35,044 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 45 [2024-11-10 17:47:35,044 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 36 transitions, 98 flow. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 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) [2024-11-10 17:47:35,044 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 17:47:35,044 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 45 [2024-11-10 17:47:35,045 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 17:47:35,132 INFO L124 PetriNetUnfolderBase]: 156/377 cut-off events. [2024-11-10 17:47:35,133 INFO L125 PetriNetUnfolderBase]: For 89/91 co-relation queries the response was YES. [2024-11-10 17:47:35,133 INFO L83 FinitePrefix]: Finished finitePrefix Result has 796 conditions, 377 events. 156/377 cut-off events. For 89/91 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 1744 event pairs, 79 based on Foata normal form. 10/381 useless extension candidates. Maximal degree in co-relation 302. Up to 200 conditions per place. [2024-11-10 17:47:35,135 INFO L140 encePairwiseOnDemand]: 40/45 looper letters, 30 selfloop transitions, 5 changer transitions 0/49 dead transitions. [2024-11-10 17:47:35,135 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 49 transitions, 205 flow [2024-11-10 17:47:35,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 17:47:35,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 17:47:35,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 87 transitions. [2024-11-10 17:47:35,137 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6444444444444445 [2024-11-10 17:47:35,137 INFO L175 Difference]: Start difference. First operand has 42 places, 36 transitions, 98 flow. Second operand 3 states and 87 transitions. [2024-11-10 17:47:35,137 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 49 transitions, 205 flow [2024-11-10 17:47:35,138 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 49 transitions, 202 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-10 17:47:35,156 INFO L231 Difference]: Finished difference. Result has 44 places, 38 transitions, 119 flow [2024-11-10 17:47:35,156 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=96, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=119, PETRI_PLACES=44, PETRI_TRANSITIONS=38} [2024-11-10 17:47:35,157 INFO L277 CegarLoopForPetriNet]: 43 programPoint places, 1 predicate places. [2024-11-10 17:47:35,158 INFO L471 AbstractCegarLoop]: Abstraction has has 44 places, 38 transitions, 119 flow [2024-11-10 17:47:35,158 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 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) [2024-11-10 17:47:35,158 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 17:47:35,158 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] [2024-11-10 17:47:35,158 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 17:47:35,159 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting de_allocatorErr0ASSERT_VIOLATIONMEMORY_LEAK === [allocatorErr0ASSERT_VIOLATIONMEMORY_LEAK, de_allocatorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-10 17:47:35,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 17:47:35,159 INFO L85 PathProgramCache]: Analyzing trace with hash -340390689, now seen corresponding path program 2 times [2024-11-10 17:47:35,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 17:47:35,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413221299] [2024-11-10 17:47:35,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 17:47:35,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 17:47:35,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 17:47:35,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 17:47:35,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 17:47:35,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413221299] [2024-11-10 17:47:35,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413221299] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 17:47:35,228 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 17:47:35,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 17:47:35,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440146228] [2024-11-10 17:47:35,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 17:47:35,228 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 17:47:35,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 17:47:35,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 17:47:35,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 17:47:35,232 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 45 [2024-11-10 17:47:35,233 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 38 transitions, 119 flow. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 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) [2024-11-10 17:47:35,233 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 17:47:35,233 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 45 [2024-11-10 17:47:35,233 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 17:47:35,291 INFO L124 PetriNetUnfolderBase]: 89/220 cut-off events. [2024-11-10 17:47:35,292 INFO L125 PetriNetUnfolderBase]: For 134/140 co-relation queries the response was YES. [2024-11-10 17:47:35,293 INFO L83 FinitePrefix]: Finished finitePrefix Result has 525 conditions, 220 events. 89/220 cut-off events. For 134/140 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 839 event pairs, 31 based on Foata normal form. 18/230 useless extension candidates. Maximal degree in co-relation 314. Up to 120 conditions per place. [2024-11-10 17:47:35,294 INFO L140 encePairwiseOnDemand]: 43/45 looper letters, 26 selfloop transitions, 1 changer transitions 0/37 dead transitions. [2024-11-10 17:47:35,295 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 37 transitions, 170 flow [2024-11-10 17:47:35,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 17:47:35,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 17:47:35,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 77 transitions. [2024-11-10 17:47:35,298 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5703703703703704 [2024-11-10 17:47:35,298 INFO L175 Difference]: Start difference. First operand has 44 places, 38 transitions, 119 flow. Second operand 3 states and 77 transitions. [2024-11-10 17:47:35,298 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 37 transitions, 170 flow [2024-11-10 17:47:35,299 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 37 transitions, 156 flow, removed 2 selfloop flow, removed 3 redundant places. [2024-11-10 17:47:35,300 INFO L231 Difference]: Finished difference. Result has 38 places, 31 transitions, 90 flow [2024-11-10 17:47:35,300 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=85, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=90, PETRI_PLACES=38, PETRI_TRANSITIONS=31} [2024-11-10 17:47:35,302 INFO L277 CegarLoopForPetriNet]: 43 programPoint places, -5 predicate places. [2024-11-10 17:47:35,302 INFO L471 AbstractCegarLoop]: Abstraction has has 38 places, 31 transitions, 90 flow [2024-11-10 17:47:35,303 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 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) [2024-11-10 17:47:35,303 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 17:47:35,303 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] [2024-11-10 17:47:35,303 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 17:47:35,304 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [allocatorErr0ASSERT_VIOLATIONMEMORY_LEAK, de_allocatorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-10 17:47:35,304 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 17:47:35,304 INFO L85 PathProgramCache]: Analyzing trace with hash -597781522, now seen corresponding path program 1 times [2024-11-10 17:47:35,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 17:47:35,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059651312] [2024-11-10 17:47:35,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 17:47:35,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 17:47:35,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 17:47:35,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 17:47:35,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 17:47:35,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059651312] [2024-11-10 17:47:35,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1059651312] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 17:47:35,365 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 17:47:35,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 17:47:35,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691324355] [2024-11-10 17:47:35,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 17:47:35,366 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 17:47:35,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 17:47:35,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 17:47:35,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 17:47:35,370 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 45 [2024-11-10 17:47:35,371 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 31 transitions, 90 flow. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 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) [2024-11-10 17:47:35,371 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 17:47:35,371 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 45 [2024-11-10 17:47:35,371 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 17:47:35,436 INFO L124 PetriNetUnfolderBase]: 103/234 cut-off events. [2024-11-10 17:47:35,436 INFO L125 PetriNetUnfolderBase]: For 68/72 co-relation queries the response was YES. [2024-11-10 17:47:35,436 INFO L83 FinitePrefix]: Finished finitePrefix Result has 537 conditions, 234 events. 103/234 cut-off events. For 68/72 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 867 event pairs, 55 based on Foata normal form. 2/230 useless extension candidates. Maximal degree in co-relation 201. Up to 151 conditions per place. [2024-11-10 17:47:35,438 INFO L140 encePairwiseOnDemand]: 42/45 looper letters, 26 selfloop transitions, 2 changer transitions 0/37 dead transitions. [2024-11-10 17:47:35,438 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 37 transitions, 163 flow [2024-11-10 17:47:35,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 17:47:35,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 17:47:35,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 75 transitions. [2024-11-10 17:47:35,440 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5555555555555556 [2024-11-10 17:47:35,440 INFO L175 Difference]: Start difference. First operand has 38 places, 31 transitions, 90 flow. Second operand 3 states and 75 transitions. [2024-11-10 17:47:35,440 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 37 transitions, 163 flow [2024-11-10 17:47:35,442 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 37 transitions, 162 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-10 17:47:35,443 INFO L231 Difference]: Finished difference. Result has 40 places, 31 transitions, 97 flow [2024-11-10 17:47:35,443 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=89, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=97, PETRI_PLACES=40, PETRI_TRANSITIONS=31} [2024-11-10 17:47:35,444 INFO L277 CegarLoopForPetriNet]: 43 programPoint places, -3 predicate places. [2024-11-10 17:47:35,445 INFO L471 AbstractCegarLoop]: Abstraction has has 40 places, 31 transitions, 97 flow [2024-11-10 17:47:35,446 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 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) [2024-11-10 17:47:35,446 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 17:47:35,446 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] [2024-11-10 17:47:35,446 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 17:47:35,446 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [allocatorErr0ASSERT_VIOLATIONMEMORY_LEAK, de_allocatorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-10 17:47:35,447 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 17:47:35,447 INFO L85 PathProgramCache]: Analyzing trace with hash 759736502, now seen corresponding path program 2 times [2024-11-10 17:47:35,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 17:47:35,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490531308] [2024-11-10 17:47:35,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 17:47:35,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 17:47:35,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 17:47:35,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 17:47:35,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 17:47:35,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490531308] [2024-11-10 17:47:35,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [490531308] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 17:47:35,501 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 17:47:35,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-10 17:47:35,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263111029] [2024-11-10 17:47:35,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 17:47:35,502 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 17:47:35,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 17:47:35,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 17:47:35,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 17:47:35,502 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 45 [2024-11-10 17:47:35,503 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 31 transitions, 97 flow. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 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) [2024-11-10 17:47:35,503 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 17:47:35,503 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 45 [2024-11-10 17:47:35,503 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 17:47:35,539 INFO L124 PetriNetUnfolderBase]: 87/213 cut-off events. [2024-11-10 17:47:35,540 INFO L125 PetriNetUnfolderBase]: For 74/74 co-relation queries the response was YES. [2024-11-10 17:47:35,540 INFO L83 FinitePrefix]: Finished finitePrefix Result has 510 conditions, 213 events. 87/213 cut-off events. For 74/74 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 813 event pairs, 78 based on Foata normal form. 1/202 useless extension candidates. Maximal degree in co-relation 195. Up to 179 conditions per place. [2024-11-10 17:47:35,541 INFO L140 encePairwiseOnDemand]: 43/45 looper letters, 0 selfloop transitions, 0 changer transitions 30/30 dead transitions. [2024-11-10 17:47:35,541 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 30 transitions, 137 flow [2024-11-10 17:47:35,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 17:47:35,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 17:47:35,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 68 transitions. [2024-11-10 17:47:35,542 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5037037037037037 [2024-11-10 17:47:35,543 INFO L175 Difference]: Start difference. First operand has 40 places, 31 transitions, 97 flow. Second operand 3 states and 68 transitions. [2024-11-10 17:47:35,543 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 30 transitions, 137 flow [2024-11-10 17:47:35,543 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 30 transitions, 133 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 17:47:35,545 INFO L231 Difference]: Finished difference. Result has 39 places, 0 transitions, 0 flow [2024-11-10 17:47:35,545 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=91, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=39, PETRI_TRANSITIONS=0} [2024-11-10 17:47:35,546 INFO L277 CegarLoopForPetriNet]: 43 programPoint places, -4 predicate places. [2024-11-10 17:47:35,546 INFO L471 AbstractCegarLoop]: Abstraction has has 39 places, 0 transitions, 0 flow [2024-11-10 17:47:35,546 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 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) [2024-11-10 17:47:35,549 INFO L782 garLoopResultBuilder]: Registering result SAFE for location allocatorErr0ASSERT_VIOLATIONMEMORY_LEAK (6 of 7 remaining) [2024-11-10 17:47:35,549 INFO L782 garLoopResultBuilder]: Registering result SAFE for location de_allocatorErr0ASSERT_VIOLATIONMEMORY_LEAK (5 of 7 remaining) [2024-11-10 17:47:35,549 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (4 of 7 remaining) [2024-11-10 17:47:35,549 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 7 remaining) [2024-11-10 17:47:35,550 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 7 remaining) [2024-11-10 17:47:35,550 INFO L782 garLoopResultBuilder]: Registering result SAFE for location allocatorErr0ASSERT_VIOLATIONMEMORY_LEAK (1 of 7 remaining) [2024-11-10 17:47:35,550 INFO L782 garLoopResultBuilder]: Registering result SAFE for location de_allocatorErr0ASSERT_VIOLATIONMEMORY_LEAK (0 of 7 remaining) [2024-11-10 17:47:35,550 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-10 17:47:35,550 INFO L407 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1] [2024-11-10 17:47:35,557 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-10 17:47:35,558 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-10 17:47:35,565 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 05:47:35 BasicIcfg [2024-11-10 17:47:35,566 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-10 17:47:35,567 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 17:47:35,567 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 17:47:35,567 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 17:47:35,567 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 05:47:33" (3/4) ... [2024-11-10 17:47:35,569 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-10 17:47:35,571 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure allocator [2024-11-10 17:47:35,572 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure de_allocator [2024-11-10 17:47:35,577 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 43 nodes and edges [2024-11-10 17:47:35,578 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2024-11-10 17:47:35,578 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-11-10 17:47:35,578 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-10 17:47:35,578 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-10 17:47:35,665 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-10 17:47:35,665 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-10 17:47:35,666 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 17:47:35,666 INFO L158 Benchmark]: Toolchain (without parser) took 3187.65ms. Allocated memory was 174.1MB in the beginning and 270.5MB in the end (delta: 96.5MB). Free memory was 117.2MB in the beginning and 166.0MB in the end (delta: -48.8MB). Peak memory consumption was 49.7MB. Max. memory is 16.1GB. [2024-11-10 17:47:35,666 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 174.1MB. Free memory is still 137.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 17:47:35,667 INFO L158 Benchmark]: CACSL2BoogieTranslator took 494.56ms. Allocated memory is still 174.1MB. Free memory was 116.5MB in the beginning and 94.2MB in the end (delta: 22.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-10 17:47:35,667 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.50ms. Allocated memory is still 174.1MB. Free memory was 94.2MB in the beginning and 92.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 17:47:35,667 INFO L158 Benchmark]: Boogie Preprocessor took 37.68ms. Allocated memory is still 174.1MB. Free memory was 92.1MB in the beginning and 90.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 17:47:35,667 INFO L158 Benchmark]: IcfgBuilder took 613.84ms. Allocated memory is still 174.1MB. Free memory was 90.0MB in the beginning and 60.6MB in the end (delta: 29.3MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-11-10 17:47:35,668 INFO L158 Benchmark]: TraceAbstraction took 1891.95ms. Allocated memory was 174.1MB in the beginning and 270.5MB in the end (delta: 96.5MB). Free memory was 60.5MB in the beginning and 170.2MB in the end (delta: -109.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 17:47:35,668 INFO L158 Benchmark]: Witness Printer took 99.05ms. Allocated memory is still 270.5MB. Free memory was 170.2MB in the beginning and 166.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 17:47:35,671 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 174.1MB. Free memory is still 137.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 494.56ms. Allocated memory is still 174.1MB. Free memory was 116.5MB in the beginning and 94.2MB in the end (delta: 22.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.50ms. Allocated memory is still 174.1MB. Free memory was 94.2MB in the beginning and 92.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.68ms. Allocated memory is still 174.1MB. Free memory was 92.1MB in the beginning and 90.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 613.84ms. Allocated memory is still 174.1MB. Free memory was 90.0MB in the beginning and 60.6MB in the end (delta: 29.3MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1891.95ms. Allocated memory was 174.1MB in the beginning and 270.5MB in the end (delta: 96.5MB). Free memory was 60.5MB in the beginning and 170.2MB in the end (delta: -109.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 99.05ms. Allocated memory is still 270.5MB. Free memory was 170.2MB in the beginning and 166.0MB 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: 16]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 16]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 715]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 71 locations, 7 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.8s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 80 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 68 mSDsluCounter, 5 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 272 IncrementalHoareTripleChecker+Invalid, 281 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 5 mSDtfsCounter, 272 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=119occurred in iteration=4, InterpolantAutomatonStates: 21, 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, 0.5s InterpolantComputationTime, 129 NumberOfCodeBlocks, 129 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 122 ConstructedInterpolants, 0 QuantifiedInterpolants, 246 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 3 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-10 17:47:35,702 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