./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/pthread-atomic/read_write_lock-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 3061b6dc 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/read_write_lock-1.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 ab88d5d149a161a7149bad4a02dfeb168f970e6264d498d3725e0f24ecb8e5e3 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 09:21:06,398 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 09:21:06,485 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-11-19 09:21:06,491 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 09:21:06,493 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 09:21:06,522 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 09:21:06,523 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 09:21:06,523 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 09:21:06,524 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 09:21:06,524 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 09:21:06,524 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 09:21:06,525 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 09:21:06,526 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 09:21:06,529 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 09:21:06,529 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 09:21:06,530 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 09:21:06,530 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 09:21:06,530 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 09:21:06,530 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 09:21:06,531 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 09:21:06,531 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-19 09:21:06,533 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-19 09:21:06,533 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-19 09:21:06,533 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 09:21:06,533 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-19 09:21:06,534 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 09:21:06,534 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 09:21:06,534 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 09:21:06,534 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 09:21:06,535 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 09:21:06,535 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 09:21:06,535 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 09:21:06,535 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 09:21:06,535 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 09:21:06,536 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 09:21:06,536 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 09:21:06,538 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 09:21:06,538 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 09:21:06,538 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 09:21:06,538 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 09:21:06,538 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 09:21:06,539 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 09:21:06,539 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ab88d5d149a161a7149bad4a02dfeb168f970e6264d498d3725e0f24ecb8e5e3 [2024-11-19 09:21:06,793 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 09:21:06,822 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 09:21:06,825 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 09:21:06,826 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 09:21:06,826 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 09:21:06,828 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-atomic/read_write_lock-1.i [2024-11-19 09:21:08,232 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 09:21:08,480 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 09:21:08,480 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-atomic/read_write_lock-1.i [2024-11-19 09:21:08,493 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ce654189/fef2e26fc6e646a3afeff9cd9a5dfa50/FLAG18095c397 [2024-11-19 09:21:08,505 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ce654189/fef2e26fc6e646a3afeff9cd9a5dfa50 [2024-11-19 09:21:08,507 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 09:21:08,508 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 09:21:08,510 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 09:21:08,510 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 09:21:08,514 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 09:21:08,515 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 09:21:08" (1/1) ... [2024-11-19 09:21:08,515 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16c9fc7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:21:08, skipping insertion in model container [2024-11-19 09:21:08,516 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 09:21:08" (1/1) ... [2024-11-19 09:21:08,557 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 09:21:08,904 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 09:21:08,926 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 09:21:08,971 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 09:21:09,007 INFO L204 MainTranslator]: Completed translation [2024-11-19 09:21:09,007 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:21:09 WrapperNode [2024-11-19 09:21:09,008 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 09:21:09,009 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 09:21:09,009 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 09:21:09,010 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 09:21:09,020 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:21:09" (1/1) ... [2024-11-19 09:21:09,032 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:21:09" (1/1) ... [2024-11-19 09:21:09,056 INFO L138 Inliner]: procedures = 163, calls = 27, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 71 [2024-11-19 09:21:09,057 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 09:21:09,058 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 09:21:09,058 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 09:21:09,058 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 09:21:09,070 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:21:09" (1/1) ... [2024-11-19 09:21:09,071 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:21:09" (1/1) ... [2024-11-19 09:21:09,074 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:21:09" (1/1) ... [2024-11-19 09:21:09,087 INFO L175 MemorySlicer]: Split 13 memory accesses to 2 slices as follows [2, 11]. 85 percent of accesses are in the largest equivalence class. The 13 initializations are split as follows [2, 11]. The 0 writes are split as follows [0, 0]. [2024-11-19 09:21:09,087 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:21:09" (1/1) ... [2024-11-19 09:21:09,088 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:21:09" (1/1) ... [2024-11-19 09:21:09,093 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:21:09" (1/1) ... [2024-11-19 09:21:09,095 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:21:09" (1/1) ... [2024-11-19 09:21:09,097 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:21:09" (1/1) ... [2024-11-19 09:21:09,098 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:21:09" (1/1) ... [2024-11-19 09:21:09,100 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 09:21:09,101 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 09:21:09,101 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 09:21:09,101 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 09:21:09,102 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:21:09" (1/1) ... [2024-11-19 09:21:09,118 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 09:21:09,128 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 09:21:09,143 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) [2024-11-19 09:21:09,145 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 [2024-11-19 09:21:09,192 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsRwLockUnlock [2024-11-19 09:21:09,192 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsRwLockReadLock [2024-11-19 09:21:09,192 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 09:21:09,193 INFO L130 BoogieDeclarations]: Found specification of procedure reader [2024-11-19 09:21:09,193 INFO L138 BoogieDeclarations]: Found implementation of procedure reader [2024-11-19 09:21:09,193 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsRwLockWriteLock [2024-11-19 09:21:09,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 09:21:09,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 09:21:09,193 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 09:21:09,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 09:21:09,193 INFO L130 BoogieDeclarations]: Found specification of procedure writer [2024-11-19 09:21:09,194 INFO L138 BoogieDeclarations]: Found implementation of procedure writer [2024-11-19 09:21:09,195 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-19 09:21:09,313 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 09:21:09,315 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 09:21:09,494 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-19 09:21:09,495 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 09:21:09,652 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 09:21:09,653 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-19 09:21:09,653 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 09:21:09 BoogieIcfgContainer [2024-11-19 09:21:09,655 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 09:21:09,657 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 09:21:09,658 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 09:21:09,661 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 09:21:09,661 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 09:21:08" (1/3) ... [2024-11-19 09:21:09,662 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11318da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 09:21:09, skipping insertion in model container [2024-11-19 09:21:09,662 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:21:09" (2/3) ... [2024-11-19 09:21:09,663 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11318da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 09:21:09, skipping insertion in model container [2024-11-19 09:21:09,663 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 09:21:09" (3/3) ... [2024-11-19 09:21:09,664 INFO L112 eAbstractionObserver]: Analyzing ICFG read_write_lock-1.i [2024-11-19 09:21:09,682 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 09:21:09,682 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-19 09:21:09,682 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-19 09:21:09,741 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-11-19 09:21:09,772 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 63 places, 54 transitions, 136 flow [2024-11-19 09:21:09,815 INFO L124 PetriNetUnfolderBase]: 4/50 cut-off events. [2024-11-19 09:21:09,817 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-19 09:21:09,821 INFO L83 FinitePrefix]: Finished finitePrefix Result has 67 conditions, 50 events. 4/50 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 106 event pairs, 0 based on Foata normal form. 0/43 useless extension candidates. Maximal degree in co-relation 47. Up to 2 conditions per place. [2024-11-19 09:21:09,822 INFO L82 GeneralOperation]: Start removeDead. Operand has 63 places, 54 transitions, 136 flow [2024-11-19 09:21:09,825 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 58 places, 49 transitions, 122 flow [2024-11-19 09:21:09,840 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 09:21:09,848 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;@16669d98, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 09:21:09,848 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-19 09:21:09,862 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-19 09:21:09,865 INFO L124 PetriNetUnfolderBase]: 2/31 cut-off events. [2024-11-19 09:21:09,865 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-19 09:21:09,866 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 09:21:09,867 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 09:21:09,867 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting readerErr0ASSERT_VIOLATIONMEMORY_LEAK === [readerErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 5 more)] === [2024-11-19 09:21:09,874 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 09:21:09,874 INFO L85 PathProgramCache]: Analyzing trace with hash 655278658, now seen corresponding path program 1 times [2024-11-19 09:21:09,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 09:21:09,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300171741] [2024-11-19 09:21:09,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 09:21:09,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 09:21:10,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 09:21:10,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 09:21:10,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 09:21:10,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300171741] [2024-11-19 09:21:10,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1300171741] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 09:21:10,141 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 09:21:10,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 09:21:10,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127655761] [2024-11-19 09:21:10,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 09:21:10,150 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 09:21:10,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 09:21:10,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 09:21:10,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 09:21:10,185 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 54 [2024-11-19 09:21:10,187 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 49 transitions, 122 flow. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 09:21:10,187 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 09:21:10,188 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 54 [2024-11-19 09:21:10,188 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 09:21:11,882 INFO L124 PetriNetUnfolderBase]: 10614/15830 cut-off events. [2024-11-19 09:21:11,883 INFO L125 PetriNetUnfolderBase]: For 1283/1283 co-relation queries the response was YES. [2024-11-19 09:21:11,926 INFO L83 FinitePrefix]: Finished finitePrefix Result has 31541 conditions, 15830 events. 10614/15830 cut-off events. For 1283/1283 co-relation queries the response was YES. Maximal size of possible extension queue 720. Compared 104078 event pairs, 5308 based on Foata normal form. 1752/17107 useless extension candidates. Maximal degree in co-relation 28479. Up to 8879 conditions per place. [2024-11-19 09:21:12,025 INFO L140 encePairwiseOnDemand]: 45/54 looper letters, 53 selfloop transitions, 4 changer transitions 0/68 dead transitions. [2024-11-19 09:21:12,026 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 68 transitions, 292 flow [2024-11-19 09:21:12,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 09:21:12,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 09:21:12,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 115 transitions. [2024-11-19 09:21:12,038 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7098765432098766 [2024-11-19 09:21:12,040 INFO L175 Difference]: Start difference. First operand has 58 places, 49 transitions, 122 flow. Second operand 3 states and 115 transitions. [2024-11-19 09:21:12,040 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 68 transitions, 292 flow [2024-11-19 09:21:12,064 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 68 transitions, 264 flow, removed 0 selfloop flow, removed 8 redundant places. [2024-11-19 09:21:12,068 INFO L231 Difference]: Finished difference. Result has 52 places, 46 transitions, 124 flow [2024-11-19 09:21:12,070 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=94, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=124, PETRI_PLACES=52, PETRI_TRANSITIONS=46} [2024-11-19 09:21:12,075 INFO L277 CegarLoopForPetriNet]: 58 programPoint places, -6 predicate places. [2024-11-19 09:21:12,075 INFO L471 AbstractCegarLoop]: Abstraction has has 52 places, 46 transitions, 124 flow [2024-11-19 09:21:12,076 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 09:21:12,077 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 09:21:12,077 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 09:21:12,077 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 09:21:12,078 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting readerErr0ASSERT_VIOLATIONMEMORY_LEAK === [readerErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 5 more)] === [2024-11-19 09:21:12,078 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 09:21:12,079 INFO L85 PathProgramCache]: Analyzing trace with hash -44672040, now seen corresponding path program 1 times [2024-11-19 09:21:12,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 09:21:12,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179615582] [2024-11-19 09:21:12,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 09:21:12,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 09:21:12,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 09:21:12,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 09:21:12,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 09:21:12,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1179615582] [2024-11-19 09:21:12,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1179615582] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 09:21:12,375 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 09:21:12,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 09:21:12,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856337308] [2024-11-19 09:21:12,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 09:21:12,376 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 09:21:12,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 09:21:12,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 09:21:12,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 09:21:12,379 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 54 [2024-11-19 09:21:12,379 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 46 transitions, 124 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) [2024-11-19 09:21:12,380 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 09:21:12,380 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 54 [2024-11-19 09:21:12,380 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 09:21:12,541 INFO L124 PetriNetUnfolderBase]: 599/1208 cut-off events. [2024-11-19 09:21:12,541 INFO L125 PetriNetUnfolderBase]: For 286/286 co-relation queries the response was YES. [2024-11-19 09:21:12,544 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2889 conditions, 1208 events. 599/1208 cut-off events. For 286/286 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 7062 event pairs, 85 based on Foata normal form. 860/2029 useless extension candidates. Maximal degree in co-relation 1553. Up to 878 conditions per place. [2024-11-19 09:21:12,548 INFO L140 encePairwiseOnDemand]: 46/54 looper letters, 33 selfloop transitions, 2 changer transitions 2/48 dead transitions. [2024-11-19 09:21:12,548 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 48 transitions, 205 flow [2024-11-19 09:21:12,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 09:21:12,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 09:21:12,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 97 transitions. [2024-11-19 09:21:12,552 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5987654320987654 [2024-11-19 09:21:12,552 INFO L175 Difference]: Start difference. First operand has 52 places, 46 transitions, 124 flow. Second operand 3 states and 97 transitions. [2024-11-19 09:21:12,552 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 48 transitions, 205 flow [2024-11-19 09:21:12,556 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 48 transitions, 195 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 09:21:12,559 INFO L231 Difference]: Finished difference. Result has 43 places, 36 transitions, 106 flow [2024-11-19 09:21:12,559 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=92, PETRI_DIFFERENCE_MINUEND_PLACES=40, 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=106, PETRI_PLACES=43, PETRI_TRANSITIONS=36} [2024-11-19 09:21:12,560 INFO L277 CegarLoopForPetriNet]: 58 programPoint places, -15 predicate places. [2024-11-19 09:21:12,560 INFO L471 AbstractCegarLoop]: Abstraction has has 43 places, 36 transitions, 106 flow [2024-11-19 09:21:12,561 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) [2024-11-19 09:21:12,561 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 09:21:12,561 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 09:21:12,561 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 09:21:12,562 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting readerErr0ASSERT_VIOLATIONMEMORY_LEAK === [readerErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 5 more)] === [2024-11-19 09:21:12,562 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 09:21:12,563 INFO L85 PathProgramCache]: Analyzing trace with hash 1370024890, now seen corresponding path program 2 times [2024-11-19 09:21:12,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 09:21:12,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806962561] [2024-11-19 09:21:12,564 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 09:21:12,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 09:21:12,586 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 09:21:12,587 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 09:21:12,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 09:21:12,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 09:21:12,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806962561] [2024-11-19 09:21:12,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1806962561] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 09:21:12,674 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 09:21:12,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 09:21:12,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023742204] [2024-11-19 09:21:12,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 09:21:12,675 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 09:21:12,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 09:21:12,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 09:21:12,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 09:21:12,676 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 54 [2024-11-19 09:21:12,676 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 36 transitions, 106 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) [2024-11-19 09:21:12,676 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 09:21:12,677 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 54 [2024-11-19 09:21:12,677 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 09:21:12,738 INFO L124 PetriNetUnfolderBase]: 51/142 cut-off events. [2024-11-19 09:21:12,739 INFO L125 PetriNetUnfolderBase]: For 196/196 co-relation queries the response was YES. [2024-11-19 09:21:12,739 INFO L83 FinitePrefix]: Finished finitePrefix Result has 337 conditions, 142 events. 51/142 cut-off events. For 196/196 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 511 event pairs, 6 based on Foata normal form. 74/212 useless extension candidates. Maximal degree in co-relation 244. Up to 105 conditions per place. [2024-11-19 09:21:12,740 INFO L140 encePairwiseOnDemand]: 48/54 looper letters, 19 selfloop transitions, 2 changer transitions 6/35 dead transitions. [2024-11-19 09:21:12,740 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 35 transitions, 153 flow [2024-11-19 09:21:12,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 09:21:12,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 09:21:12,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 85 transitions. [2024-11-19 09:21:12,742 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5246913580246914 [2024-11-19 09:21:12,742 INFO L175 Difference]: Start difference. First operand has 43 places, 36 transitions, 106 flow. Second operand 3 states and 85 transitions. [2024-11-19 09:21:12,743 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 35 transitions, 153 flow [2024-11-19 09:21:12,744 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 35 transitions, 143 flow, removed 3 selfloop flow, removed 3 redundant places. [2024-11-19 09:21:12,745 INFO L231 Difference]: Finished difference. Result has 36 places, 24 transitions, 70 flow [2024-11-19 09:21:12,745 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=64, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=70, PETRI_PLACES=36, PETRI_TRANSITIONS=24} [2024-11-19 09:21:12,746 INFO L277 CegarLoopForPetriNet]: 58 programPoint places, -22 predicate places. [2024-11-19 09:21:12,747 INFO L471 AbstractCegarLoop]: Abstraction has has 36 places, 24 transitions, 70 flow [2024-11-19 09:21:12,747 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) [2024-11-19 09:21:12,747 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 09:21:12,747 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 09:21:12,747 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 09:21:12,748 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting readerErr0ASSERT_VIOLATIONMEMORY_LEAK === [readerErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 5 more)] === [2024-11-19 09:21:12,748 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 09:21:12,749 INFO L85 PathProgramCache]: Analyzing trace with hash -896949869, now seen corresponding path program 1 times [2024-11-19 09:21:12,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 09:21:12,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703573798] [2024-11-19 09:21:12,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 09:21:12,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 09:21:12,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 09:21:12,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 09:21:12,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 09:21:12,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1703573798] [2024-11-19 09:21:12,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1703573798] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 09:21:12,781 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 09:21:12,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 09:21:12,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555570515] [2024-11-19 09:21:12,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 09:21:12,782 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 09:21:12,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 09:21:12,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 09:21:12,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 09:21:12,786 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 54 [2024-11-19 09:21:12,787 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 24 transitions, 70 flow. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 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) [2024-11-19 09:21:12,787 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 09:21:12,787 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 54 [2024-11-19 09:21:12,787 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 09:21:12,817 INFO L124 PetriNetUnfolderBase]: 31/81 cut-off events. [2024-11-19 09:21:12,817 INFO L125 PetriNetUnfolderBase]: For 51/51 co-relation queries the response was YES. [2024-11-19 09:21:12,818 INFO L83 FinitePrefix]: Finished finitePrefix Result has 207 conditions, 81 events. 31/81 cut-off events. For 51/51 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 232 event pairs, 15 based on Foata normal form. 0/77 useless extension candidates. Maximal degree in co-relation 197. Up to 45 conditions per place. [2024-11-19 09:21:12,818 INFO L140 encePairwiseOnDemand]: 52/54 looper letters, 0 selfloop transitions, 0 changer transitions 24/24 dead transitions. [2024-11-19 09:21:12,818 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 30 places, 24 transitions, 112 flow [2024-11-19 09:21:12,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 09:21:12,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 09:21:12,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 69 transitions. [2024-11-19 09:21:12,819 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.42592592592592593 [2024-11-19 09:21:12,820 INFO L175 Difference]: Start difference. First operand has 36 places, 24 transitions, 70 flow. Second operand 3 states and 69 transitions. [2024-11-19 09:21:12,820 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 30 places, 24 transitions, 112 flow [2024-11-19 09:21:12,820 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 29 places, 24 transitions, 102 flow, removed 5 selfloop flow, removed 1 redundant places. [2024-11-19 09:21:12,821 INFO L231 Difference]: Finished difference. Result has 29 places, 0 transitions, 0 flow [2024-11-19 09:21:12,821 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=56, PETRI_DIFFERENCE_MINUEND_PLACES=27, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=29, PETRI_TRANSITIONS=0} [2024-11-19 09:21:12,822 INFO L277 CegarLoopForPetriNet]: 58 programPoint places, -29 predicate places. [2024-11-19 09:21:12,822 INFO L471 AbstractCegarLoop]: Abstraction has has 29 places, 0 transitions, 0 flow [2024-11-19 09:21:12,822 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 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) [2024-11-19 09:21:12,825 INFO L782 garLoopResultBuilder]: Registering result SAFE for location readerErr0ASSERT_VIOLATIONMEMORY_LEAK (7 of 8 remaining) [2024-11-19 09:21:12,825 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (6 of 8 remaining) [2024-11-19 09:21:12,825 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 8 remaining) [2024-11-19 09:21:12,825 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 8 remaining) [2024-11-19 09:21:12,826 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 8 remaining) [2024-11-19 09:21:12,826 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 8 remaining) [2024-11-19 09:21:12,826 INFO L782 garLoopResultBuilder]: Registering result SAFE for location readerErr0ASSERT_VIOLATIONMEMORY_LEAK (1 of 8 remaining) [2024-11-19 09:21:12,826 INFO L782 garLoopResultBuilder]: Registering result SAFE for location readerErr0ASSERT_VIOLATIONMEMORY_LEAK (0 of 8 remaining) [2024-11-19 09:21:12,826 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 09:21:12,827 INFO L407 BasicCegarLoop]: Path program histogram: [2, 1, 1] [2024-11-19 09:21:12,832 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-19 09:21:12,832 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-19 09:21:12,837 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 09:21:12 BasicIcfg [2024-11-19 09:21:12,837 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-19 09:21:12,838 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-19 09:21:12,838 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-19 09:21:12,838 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-19 09:21:12,839 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 09:21:09" (3/4) ... [2024-11-19 09:21:12,841 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-19 09:21:12,844 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure reader [2024-11-19 09:21:12,844 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure writer [2024-11-19 09:21:12,849 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 53 nodes and edges [2024-11-19 09:21:12,849 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-11-19 09:21:12,850 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-19 09:21:12,850 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-19 09:21:12,944 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-19 09:21:12,945 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-19 09:21:12,945 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-19 09:21:12,946 INFO L158 Benchmark]: Toolchain (without parser) took 4437.33ms. Allocated memory was 159.4MB in the beginning and 408.9MB in the end (delta: 249.6MB). Free memory was 103.6MB in the beginning and 208.7MB in the end (delta: -105.1MB). Peak memory consumption was 146.8MB. Max. memory is 16.1GB. [2024-11-19 09:21:12,946 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 159.4MB. Free memory is still 119.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 09:21:12,946 INFO L158 Benchmark]: CACSL2BoogieTranslator took 498.31ms. Allocated memory is still 159.4MB. Free memory was 103.2MB in the beginning and 81.3MB in the end (delta: 21.9MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-19 09:21:12,946 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.35ms. Allocated memory is still 159.4MB. Free memory was 81.3MB in the beginning and 79.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 09:21:12,947 INFO L158 Benchmark]: Boogie Preprocessor took 42.65ms. Allocated memory is still 159.4MB. Free memory was 79.3MB in the beginning and 77.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 09:21:12,947 INFO L158 Benchmark]: RCFGBuilder took 553.55ms. Allocated memory is still 159.4MB. Free memory was 77.2MB in the beginning and 110.4MB in the end (delta: -33.2MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. [2024-11-19 09:21:12,947 INFO L158 Benchmark]: TraceAbstraction took 3180.27ms. Allocated memory was 159.4MB in the beginning and 408.9MB in the end (delta: 249.6MB). Free memory was 109.6MB in the beginning and 212.9MB in the end (delta: -103.3MB). Peak memory consumption was 148.1MB. Max. memory is 16.1GB. [2024-11-19 09:21:12,947 INFO L158 Benchmark]: Witness Printer took 107.09ms. Allocated memory is still 408.9MB. Free memory was 212.9MB in the beginning and 208.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-19 09:21:12,949 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 159.4MB. Free memory is still 119.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 498.31ms. Allocated memory is still 159.4MB. Free memory was 103.2MB in the beginning and 81.3MB in the end (delta: 21.9MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.35ms. Allocated memory is still 159.4MB. Free memory was 81.3MB in the beginning and 79.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.65ms. Allocated memory is still 159.4MB. Free memory was 79.3MB in the beginning and 77.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 553.55ms. Allocated memory is still 159.4MB. Free memory was 77.2MB in the beginning and 110.4MB in the end (delta: -33.2MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. * TraceAbstraction took 3180.27ms. Allocated memory was 159.4MB in the beginning and 408.9MB in the end (delta: 249.6MB). Free memory was 109.6MB in the beginning and 212.9MB in the end (delta: -103.3MB). Peak memory consumption was 148.1MB. Max. memory is 16.1GB. * Witness Printer took 107.09ms. Allocated memory is still 408.9MB. Free memory was 212.9MB in the beginning and 208.7MB 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: 12]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 689]: 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, 72 locations, 8 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 3.1s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 58 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 51 mSDsluCounter, 4 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 16 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 205 IncrementalHoareTripleChecker+Invalid, 221 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16 mSolverCounterUnsat, 4 mSDtfsCounter, 205 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=124occurred in iteration=1, InterpolantAutomatonStates: 12, 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, 50 NumberOfCodeBlocks, 50 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 46 ConstructedInterpolants, 0 QuantifiedInterpolants, 103 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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! [2024-11-19 09:21:12,979 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