./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/rfi002_tso.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/rfi002_tso.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-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 ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 48e6a57243e80a87d178da358ff4ad1dd63b86003507ef0dec3764d15038130a --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 06:56:59,855 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 06:56:59,939 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-13 06:56:59,948 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 06:56:59,949 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 06:56:59,979 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 06:56:59,980 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 06:56:59,981 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 06:56:59,981 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 06:56:59,982 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 06:56:59,982 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 06:56:59,982 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 06:56:59,983 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 06:56:59,985 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 06:56:59,986 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 06:56:59,986 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 06:56:59,986 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 06:56:59,986 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 06:56:59,987 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 06:56:59,987 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 06:56:59,987 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 06:56:59,991 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 06:56:59,992 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 06:56:59,992 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 06:56:59,992 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 06:56:59,993 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 06:56:59,993 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 06:56:59,993 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 06:56:59,994 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 06:56:59,994 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 06:56:59,994 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 06:56:59,995 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 06:56:59,995 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 06:56:59,995 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 06:56:59,996 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 06:56:59,996 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 06:56:59,996 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 06:56:59,996 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 06:56:59,997 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 06:56:59,997 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 06:56:59,997 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 06:56:59,998 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 06:56:59,998 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 48e6a57243e80a87d178da358ff4ad1dd63b86003507ef0dec3764d15038130a [2024-10-13 06:57:00,260 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 06:57:00,289 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 06:57:00,293 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 06:57:00,294 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 06:57:00,295 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 06:57:00,296 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/rfi002_tso.i [2024-10-13 06:57:01,870 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 06:57:02,114 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 06:57:02,115 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/rfi002_tso.i [2024-10-13 06:57:02,137 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc19f6120/2156a77dbe09436890edd6776d750f51/FLAG4092d2fcf [2024-10-13 06:57:02,437 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc19f6120/2156a77dbe09436890edd6776d750f51 [2024-10-13 06:57:02,439 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 06:57:02,441 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 06:57:02,442 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 06:57:02,442 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 06:57:02,446 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 06:57:02,447 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:57:02" (1/1) ... [2024-10-13 06:57:02,447 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7264ac90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:57:02, skipping insertion in model container [2024-10-13 06:57:02,447 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:57:02" (1/1) ... [2024-10-13 06:57:02,498 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 06:57:02,713 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/rfi002_tso.i[987,1000] [2024-10-13 06:57:03,004 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 06:57:03,021 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 06:57:03,034 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/rfi002_tso.i[987,1000] [2024-10-13 06:57:03,097 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 06:57:03,137 INFO L204 MainTranslator]: Completed translation [2024-10-13 06:57:03,139 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:57:03 WrapperNode [2024-10-13 06:57:03,139 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 06:57:03,140 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 06:57:03,141 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 06:57:03,141 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 06:57:03,163 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:57:03" (1/1) ... [2024-10-13 06:57:03,191 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:57:03" (1/1) ... [2024-10-13 06:57:03,258 INFO L138 Inliner]: procedures = 174, calls = 40, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 206 [2024-10-13 06:57:03,259 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 06:57:03,260 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 06:57:03,262 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 06:57:03,262 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 06:57:03,273 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:57:03" (1/1) ... [2024-10-13 06:57:03,274 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:57:03" (1/1) ... [2024-10-13 06:57:03,281 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:57:03" (1/1) ... [2024-10-13 06:57:03,319 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-13 06:57:03,319 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:57:03" (1/1) ... [2024-10-13 06:57:03,320 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:57:03" (1/1) ... [2024-10-13 06:57:03,335 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:57:03" (1/1) ... [2024-10-13 06:57:03,341 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:57:03" (1/1) ... [2024-10-13 06:57:03,343 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:57:03" (1/1) ... [2024-10-13 06:57:03,350 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:57:03" (1/1) ... [2024-10-13 06:57:03,356 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 06:57:03,359 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 06:57:03,360 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 06:57:03,361 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 06:57:03,362 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:57:03" (1/1) ... [2024-10-13 06:57:03,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 06:57:03,381 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 06:57:03,398 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) [2024-10-13 06:57:03,401 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 [2024-10-13 06:57:03,446 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-13 06:57:03,446 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 06:57:03,446 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-10-13 06:57:03,446 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-10-13 06:57:03,447 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-10-13 06:57:03,447 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-10-13 06:57:03,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 06:57:03,447 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-13 06:57:03,447 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 06:57:03,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 06:57:03,449 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-13 06:57:03,585 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 06:57:03,588 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 06:57:04,054 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-13 06:57:04,055 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 06:57:04,366 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 06:57:04,366 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-13 06:57:04,367 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:57:04 BoogieIcfgContainer [2024-10-13 06:57:04,367 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 06:57:04,370 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 06:57:04,370 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 06:57:04,373 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 06:57:04,374 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 06:57:02" (1/3) ... [2024-10-13 06:57:04,375 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d1a0827 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 06:57:04, skipping insertion in model container [2024-10-13 06:57:04,375 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:57:03" (2/3) ... [2024-10-13 06:57:04,376 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d1a0827 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 06:57:04, skipping insertion in model container [2024-10-13 06:57:04,376 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:57:04" (3/3) ... [2024-10-13 06:57:04,378 INFO L112 eAbstractionObserver]: Analyzing ICFG rfi002_tso.i [2024-10-13 06:57:04,395 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 06:57:04,397 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-10-13 06:57:04,398 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-13 06:57:04,492 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-13 06:57:04,562 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 40 places, 34 transitions, 76 flow [2024-10-13 06:57:04,623 INFO L124 PetriNetUnfolderBase]: 1/32 cut-off events. [2024-10-13 06:57:04,623 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-13 06:57:04,626 INFO L83 FinitePrefix]: Finished finitePrefix Result has 39 conditions, 32 events. 1/32 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 57 event pairs, 0 based on Foata normal form. 0/28 useless extension candidates. Maximal degree in co-relation 32. Up to 2 conditions per place. [2024-10-13 06:57:04,627 INFO L82 GeneralOperation]: Start removeDead. Operand has 40 places, 34 transitions, 76 flow [2024-10-13 06:57:04,630 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 38 places, 32 transitions, 70 flow [2024-10-13 06:57:04,638 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 06:57:04,644 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=LoopHeads, 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;@bdc9c2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 06:57:04,644 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-10-13 06:57:04,649 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-13 06:57:04,649 INFO L124 PetriNetUnfolderBase]: 0/10 cut-off events. [2024-10-13 06:57:04,650 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-13 06:57:04,650 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 06:57:04,651 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-13 06:57:04,651 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P1Err0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-13 06:57:04,656 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 06:57:04,656 INFO L85 PathProgramCache]: Analyzing trace with hash -1507080655, now seen corresponding path program 1 times [2024-10-13 06:57:04,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 06:57:04,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928077008] [2024-10-13 06:57:04,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 06:57:04,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 06:57:04,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:57:05,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 06:57:05,140 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 06:57:05,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928077008] [2024-10-13 06:57:05,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [928077008] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 06:57:05,141 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 06:57:05,141 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-13 06:57:05,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635344769] [2024-10-13 06:57:05,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 06:57:05,152 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 06:57:05,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 06:57:05,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 06:57:05,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 06:57:05,188 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 34 [2024-10-13 06:57:05,190 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 32 transitions, 70 flow. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 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) [2024-10-13 06:57:05,190 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 06:57:05,191 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 34 [2024-10-13 06:57:05,192 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 06:57:05,634 INFO L124 PetriNetUnfolderBase]: 438/790 cut-off events. [2024-10-13 06:57:05,635 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-10-13 06:57:05,640 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1535 conditions, 790 events. 438/790 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 4143 event pairs, 32 based on Foata normal form. 40/785 useless extension candidates. Maximal degree in co-relation 1525. Up to 652 conditions per place. [2024-10-13 06:57:05,646 INFO L140 encePairwiseOnDemand]: 30/34 looper letters, 29 selfloop transitions, 2 changer transitions 0/40 dead transitions. [2024-10-13 06:57:05,648 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 40 transitions, 148 flow [2024-10-13 06:57:05,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 06:57:05,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 06:57:05,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 67 transitions. [2024-10-13 06:57:05,661 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6568627450980392 [2024-10-13 06:57:05,663 INFO L175 Difference]: Start difference. First operand has 38 places, 32 transitions, 70 flow. Second operand 3 states and 67 transitions. [2024-10-13 06:57:05,664 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 40 transitions, 148 flow [2024-10-13 06:57:05,666 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 40 transitions, 146 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 06:57:05,669 INFO L231 Difference]: Finished difference. Result has 37 places, 30 transitions, 68 flow [2024-10-13 06:57:05,671 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=64, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=68, PETRI_PLACES=37, PETRI_TRANSITIONS=30} [2024-10-13 06:57:05,677 INFO L277 CegarLoopForPetriNet]: 38 programPoint places, -1 predicate places. [2024-10-13 06:57:05,677 INFO L471 AbstractCegarLoop]: Abstraction has has 37 places, 30 transitions, 68 flow [2024-10-13 06:57:05,677 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 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) [2024-10-13 06:57:05,678 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 06:57:05,678 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-13 06:57:05,679 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 06:57:05,679 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err1ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-13 06:57:05,680 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 06:57:05,680 INFO L85 PathProgramCache]: Analyzing trace with hash 525140496, now seen corresponding path program 1 times [2024-10-13 06:57:05,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 06:57:05,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067319704] [2024-10-13 06:57:05,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 06:57:05,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 06:57:05,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:57:05,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 06:57:05,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 06:57:05,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067319704] [2024-10-13 06:57:05,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1067319704] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 06:57:05,847 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 06:57:05,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-13 06:57:05,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731527295] [2024-10-13 06:57:05,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 06:57:05,849 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 06:57:05,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 06:57:05,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 06:57:05,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 06:57:05,850 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 34 [2024-10-13 06:57:05,851 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 30 transitions, 68 flow. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 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) [2024-10-13 06:57:05,851 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 06:57:05,851 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 34 [2024-10-13 06:57:05,851 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 06:57:06,114 INFO L124 PetriNetUnfolderBase]: 380/717 cut-off events. [2024-10-13 06:57:06,115 INFO L125 PetriNetUnfolderBase]: For 35/35 co-relation queries the response was YES. [2024-10-13 06:57:06,116 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1404 conditions, 717 events. 380/717 cut-off events. For 35/35 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 3813 event pairs, 90 based on Foata normal form. 0/701 useless extension candidates. Maximal degree in co-relation 1394. Up to 466 conditions per place. [2024-10-13 06:57:06,120 INFO L140 encePairwiseOnDemand]: 31/34 looper letters, 26 selfloop transitions, 2 changer transitions 2/39 dead transitions. [2024-10-13 06:57:06,120 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 39 transitions, 146 flow [2024-10-13 06:57:06,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 06:57:06,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 06:57:06,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 64 transitions. [2024-10-13 06:57:06,122 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6274509803921569 [2024-10-13 06:57:06,122 INFO L175 Difference]: Start difference. First operand has 37 places, 30 transitions, 68 flow. Second operand 3 states and 64 transitions. [2024-10-13 06:57:06,122 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 39 transitions, 146 flow [2024-10-13 06:57:06,123 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 39 transitions, 142 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 06:57:06,124 INFO L231 Difference]: Finished difference. Result has 36 places, 28 transitions, 64 flow [2024-10-13 06:57:06,124 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=62, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=64, PETRI_PLACES=36, PETRI_TRANSITIONS=28} [2024-10-13 06:57:06,125 INFO L277 CegarLoopForPetriNet]: 38 programPoint places, -2 predicate places. [2024-10-13 06:57:06,125 INFO L471 AbstractCegarLoop]: Abstraction has has 36 places, 28 transitions, 64 flow [2024-10-13 06:57:06,126 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 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) [2024-10-13 06:57:06,126 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 06:57:06,126 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 06:57:06,126 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 06:57:06,126 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-13 06:57:06,128 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 06:57:06,128 INFO L85 PathProgramCache]: Analyzing trace with hash 1548852309, now seen corresponding path program 1 times [2024-10-13 06:57:06,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 06:57:06,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863694845] [2024-10-13 06:57:06,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 06:57:06,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 06:57:06,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:57:06,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 06:57:06,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 06:57:06,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1863694845] [2024-10-13 06:57:06,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1863694845] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 06:57:06,550 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 06:57:06,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 06:57:06,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629860013] [2024-10-13 06:57:06,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 06:57:06,551 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 06:57:06,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 06:57:06,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 06:57:06,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 06:57:06,560 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 34 [2024-10-13 06:57:06,560 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 28 transitions, 64 flow. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 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) [2024-10-13 06:57:06,560 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 06:57:06,561 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 34 [2024-10-13 06:57:06,561 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 06:57:06,886 INFO L124 PetriNetUnfolderBase]: 355/708 cut-off events. [2024-10-13 06:57:06,887 INFO L125 PetriNetUnfolderBase]: For 26/26 co-relation queries the response was YES. [2024-10-13 06:57:06,889 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1386 conditions, 708 events. 355/708 cut-off events. For 26/26 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 3362 event pairs, 103 based on Foata normal form. 48/728 useless extension candidates. Maximal degree in co-relation 1376. Up to 291 conditions per place. [2024-10-13 06:57:06,892 INFO L140 encePairwiseOnDemand]: 29/34 looper letters, 43 selfloop transitions, 4 changer transitions 1/54 dead transitions. [2024-10-13 06:57:06,892 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 54 transitions, 218 flow [2024-10-13 06:57:06,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 06:57:06,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-10-13 06:57:06,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 82 transitions. [2024-10-13 06:57:06,895 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6029411764705882 [2024-10-13 06:57:06,896 INFO L175 Difference]: Start difference. First operand has 36 places, 28 transitions, 64 flow. Second operand 4 states and 82 transitions. [2024-10-13 06:57:06,896 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 54 transitions, 218 flow [2024-10-13 06:57:06,897 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 54 transitions, 210 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 06:57:06,899 INFO L231 Difference]: Finished difference. Result has 38 places, 30 transitions, 86 flow [2024-10-13 06:57:06,899 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=60, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=86, PETRI_PLACES=38, PETRI_TRANSITIONS=30} [2024-10-13 06:57:06,900 INFO L277 CegarLoopForPetriNet]: 38 programPoint places, 0 predicate places. [2024-10-13 06:57:06,900 INFO L471 AbstractCegarLoop]: Abstraction has has 38 places, 30 transitions, 86 flow [2024-10-13 06:57:06,901 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 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) [2024-10-13 06:57:06,901 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 06:57:06,901 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 06:57:06,901 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-13 06:57:06,902 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-13 06:57:06,902 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 06:57:06,903 INFO L85 PathProgramCache]: Analyzing trace with hash -1858141452, now seen corresponding path program 1 times [2024-10-13 06:57:06,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 06:57:06,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99864598] [2024-10-13 06:57:06,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 06:57:06,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 06:57:07,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:57:07,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 06:57:07,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 06:57:07,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99864598] [2024-10-13 06:57:07,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [99864598] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 06:57:07,431 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 06:57:07,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 06:57:07,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800177452] [2024-10-13 06:57:07,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 06:57:07,432 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 06:57:07,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 06:57:07,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 06:57:07,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-13 06:57:07,440 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 34 [2024-10-13 06:57:07,441 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 30 transitions, 86 flow. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 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) [2024-10-13 06:57:07,441 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 06:57:07,441 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 34 [2024-10-13 06:57:07,441 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 06:57:07,667 INFO L124 PetriNetUnfolderBase]: 177/346 cut-off events. [2024-10-13 06:57:07,667 INFO L125 PetriNetUnfolderBase]: For 76/76 co-relation queries the response was YES. [2024-10-13 06:57:07,669 INFO L83 FinitePrefix]: Finished finitePrefix Result has 808 conditions, 346 events. 177/346 cut-off events. For 76/76 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1207 event pairs, 69 based on Foata normal form. 24/362 useless extension candidates. Maximal degree in co-relation 796. Up to 146 conditions per place. [2024-10-13 06:57:07,670 INFO L140 encePairwiseOnDemand]: 29/34 looper letters, 34 selfloop transitions, 6 changer transitions 1/47 dead transitions. [2024-10-13 06:57:07,671 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 47 transitions, 207 flow [2024-10-13 06:57:07,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 06:57:07,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-10-13 06:57:07,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 83 transitions. [2024-10-13 06:57:07,672 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.48823529411764705 [2024-10-13 06:57:07,672 INFO L175 Difference]: Start difference. First operand has 38 places, 30 transitions, 86 flow. Second operand 5 states and 83 transitions. [2024-10-13 06:57:07,672 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 47 transitions, 207 flow [2024-10-13 06:57:07,674 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 47 transitions, 198 flow, removed 1 selfloop flow, removed 2 redundant places. [2024-10-13 06:57:07,675 INFO L231 Difference]: Finished difference. Result has 42 places, 30 transitions, 102 flow [2024-10-13 06:57:07,677 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=79, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=102, PETRI_PLACES=42, PETRI_TRANSITIONS=30} [2024-10-13 06:57:07,678 INFO L277 CegarLoopForPetriNet]: 38 programPoint places, 4 predicate places. [2024-10-13 06:57:07,679 INFO L471 AbstractCegarLoop]: Abstraction has has 42 places, 30 transitions, 102 flow [2024-10-13 06:57:07,679 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 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) [2024-10-13 06:57:07,679 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 06:57:07,679 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 06:57:07,679 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-13 06:57:07,680 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-13 06:57:07,680 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 06:57:07,680 INFO L85 PathProgramCache]: Analyzing trace with hash -1985805631, now seen corresponding path program 1 times [2024-10-13 06:57:07,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 06:57:07,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045803508] [2024-10-13 06:57:07,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 06:57:07,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 06:57:07,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:57:11,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 06:57:11,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 06:57:11,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045803508] [2024-10-13 06:57:11,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2045803508] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 06:57:11,029 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 06:57:11,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-13 06:57:11,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646990121] [2024-10-13 06:57:11,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 06:57:11,030 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-13 06:57:11,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 06:57:11,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-13 06:57:11,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-10-13 06:57:11,064 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 34 [2024-10-13 06:57:11,066 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 30 transitions, 102 flow. Second operand has 11 states, 11 states have (on average 10.727272727272727) internal successors, (118), 11 states have internal predecessors, (118), 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) [2024-10-13 06:57:11,066 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 06:57:11,066 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 34 [2024-10-13 06:57:11,066 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 06:57:11,724 INFO L124 PetriNetUnfolderBase]: 263/557 cut-off events. [2024-10-13 06:57:11,725 INFO L125 PetriNetUnfolderBase]: For 182/182 co-relation queries the response was YES. [2024-10-13 06:57:11,726 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1263 conditions, 557 events. 263/557 cut-off events. For 182/182 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 2514 event pairs, 40 based on Foata normal form. 4/551 useless extension candidates. Maximal degree in co-relation 1249. Up to 166 conditions per place. [2024-10-13 06:57:11,728 INFO L140 encePairwiseOnDemand]: 25/34 looper letters, 28 selfloop transitions, 5 changer transitions 31/73 dead transitions. [2024-10-13 06:57:11,728 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 73 transitions, 330 flow [2024-10-13 06:57:11,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-13 06:57:11,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-10-13 06:57:11,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 146 transitions. [2024-10-13 06:57:11,733 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.477124183006536 [2024-10-13 06:57:11,733 INFO L175 Difference]: Start difference. First operand has 42 places, 30 transitions, 102 flow. Second operand 9 states and 146 transitions. [2024-10-13 06:57:11,733 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 73 transitions, 330 flow [2024-10-13 06:57:11,737 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 73 transitions, 290 flow, removed 11 selfloop flow, removed 6 redundant places. [2024-10-13 06:57:11,738 INFO L231 Difference]: Finished difference. Result has 50 places, 33 transitions, 112 flow [2024-10-13 06:57:11,739 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=74, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=112, PETRI_PLACES=50, PETRI_TRANSITIONS=33} [2024-10-13 06:57:11,739 INFO L277 CegarLoopForPetriNet]: 38 programPoint places, 12 predicate places. [2024-10-13 06:57:11,740 INFO L471 AbstractCegarLoop]: Abstraction has has 50 places, 33 transitions, 112 flow [2024-10-13 06:57:11,740 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 10.727272727272727) internal successors, (118), 11 states have internal predecessors, (118), 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) [2024-10-13 06:57:11,741 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 06:57:11,742 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 06:57:11,742 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-13 06:57:11,742 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-13 06:57:11,743 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 06:57:11,743 INFO L85 PathProgramCache]: Analyzing trace with hash -1415734003, now seen corresponding path program 2 times [2024-10-13 06:57:11,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 06:57:11,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539695390] [2024-10-13 06:57:11,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 06:57:11,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 06:57:12,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:57:12,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 06:57:12,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 06:57:12,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539695390] [2024-10-13 06:57:12,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1539695390] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 06:57:12,718 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 06:57:12,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-13 06:57:12,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957011255] [2024-10-13 06:57:12,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 06:57:12,723 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 06:57:12,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 06:57:12,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 06:57:12,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-13 06:57:12,735 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 34 [2024-10-13 06:57:12,735 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 33 transitions, 112 flow. Second operand has 6 states, 6 states have (on average 13.0) internal successors, (78), 6 states have internal predecessors, (78), 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) [2024-10-13 06:57:12,735 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 06:57:12,735 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 34 [2024-10-13 06:57:12,736 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 06:57:13,012 INFO L124 PetriNetUnfolderBase]: 194/437 cut-off events. [2024-10-13 06:57:13,012 INFO L125 PetriNetUnfolderBase]: For 61/61 co-relation queries the response was YES. [2024-10-13 06:57:13,013 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1000 conditions, 437 events. 194/437 cut-off events. For 61/61 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 1946 event pairs, 111 based on Foata normal form. 4/430 useless extension candidates. Maximal degree in co-relation 983. Up to 183 conditions per place. [2024-10-13 06:57:13,015 INFO L140 encePairwiseOnDemand]: 28/34 looper letters, 21 selfloop transitions, 2 changer transitions 20/53 dead transitions. [2024-10-13 06:57:13,015 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 53 transitions, 251 flow [2024-10-13 06:57:13,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 06:57:13,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-13 06:57:13,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 101 transitions. [2024-10-13 06:57:13,017 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4950980392156863 [2024-10-13 06:57:13,017 INFO L175 Difference]: Start difference. First operand has 50 places, 33 transitions, 112 flow. Second operand 6 states and 101 transitions. [2024-10-13 06:57:13,018 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 53 transitions, 251 flow [2024-10-13 06:57:13,019 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 53 transitions, 228 flow, removed 8 selfloop flow, removed 7 redundant places. [2024-10-13 06:57:13,021 INFO L231 Difference]: Finished difference. Result has 47 places, 30 transitions, 98 flow [2024-10-13 06:57:13,022 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=96, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=98, PETRI_PLACES=47, PETRI_TRANSITIONS=30} [2024-10-13 06:57:13,023 INFO L277 CegarLoopForPetriNet]: 38 programPoint places, 9 predicate places. [2024-10-13 06:57:13,023 INFO L471 AbstractCegarLoop]: Abstraction has has 47 places, 30 transitions, 98 flow [2024-10-13 06:57:13,023 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.0) internal successors, (78), 6 states have internal predecessors, (78), 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) [2024-10-13 06:57:13,023 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 06:57:13,023 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 06:57:13,023 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-13 06:57:13,024 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-13 06:57:13,024 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 06:57:13,024 INFO L85 PathProgramCache]: Analyzing trace with hash -299630815, now seen corresponding path program 3 times [2024-10-13 06:57:13,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 06:57:13,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206534590] [2024-10-13 06:57:13,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 06:57:13,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 06:57:13,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:57:16,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 06:57:16,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 06:57:16,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206534590] [2024-10-13 06:57:16,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1206534590] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 06:57:16,407 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 06:57:16,407 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-13 06:57:16,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588871761] [2024-10-13 06:57:16,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 06:57:16,411 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-13 06:57:16,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 06:57:16,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-13 06:57:16,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-10-13 06:57:16,427 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 34 [2024-10-13 06:57:16,427 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 30 transitions, 98 flow. Second operand has 10 states, 10 states have (on average 10.9) internal successors, (109), 10 states have internal predecessors, (109), 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) [2024-10-13 06:57:16,428 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 06:57:16,428 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 34 [2024-10-13 06:57:16,428 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 06:57:16,982 INFO L124 PetriNetUnfolderBase]: 90/202 cut-off events. [2024-10-13 06:57:16,983 INFO L125 PetriNetUnfolderBase]: For 44/44 co-relation queries the response was YES. [2024-10-13 06:57:16,983 INFO L83 FinitePrefix]: Finished finitePrefix Result has 472 conditions, 202 events. 90/202 cut-off events. For 44/44 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 589 event pairs, 11 based on Foata normal form. 4/202 useless extension candidates. Maximal degree in co-relation 464. Up to 73 conditions per place. [2024-10-13 06:57:16,984 INFO L140 encePairwiseOnDemand]: 27/34 looper letters, 0 selfloop transitions, 0 changer transitions 41/41 dead transitions. [2024-10-13 06:57:16,984 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 41 transitions, 186 flow [2024-10-13 06:57:16,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-13 06:57:16,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-10-13 06:57:16,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 106 transitions. [2024-10-13 06:57:16,985 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3897058823529412 [2024-10-13 06:57:16,986 INFO L175 Difference]: Start difference. First operand has 47 places, 30 transitions, 98 flow. Second operand 8 states and 106 transitions. [2024-10-13 06:57:16,986 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 41 transitions, 186 flow [2024-10-13 06:57:16,987 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 41 transitions, 176 flow, removed 4 selfloop flow, removed 3 redundant places. [2024-10-13 06:57:16,987 INFO L231 Difference]: Finished difference. Result has 46 places, 0 transitions, 0 flow [2024-10-13 06:57:16,987 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=82, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=0, PETRI_PLACES=46, PETRI_TRANSITIONS=0} [2024-10-13 06:57:16,988 INFO L277 CegarLoopForPetriNet]: 38 programPoint places, 8 predicate places. [2024-10-13 06:57:16,988 INFO L471 AbstractCegarLoop]: Abstraction has has 46 places, 0 transitions, 0 flow [2024-10-13 06:57:16,989 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.9) internal successors, (109), 10 states have internal predecessors, (109), 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) [2024-10-13 06:57:16,991 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONERROR_FUNCTION (6 of 7 remaining) [2024-10-13 06:57:16,992 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONERROR_FUNCTION (5 of 7 remaining) [2024-10-13 06:57:16,992 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 7 remaining) [2024-10-13 06:57:16,993 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 7 remaining) [2024-10-13 06:57:16,993 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 7 remaining) [2024-10-13 06:57:16,993 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 7 remaining) [2024-10-13 06:57:16,993 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONERROR_FUNCTION (0 of 7 remaining) [2024-10-13 06:57:16,993 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-13 06:57:16,994 INFO L407 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1] [2024-10-13 06:57:17,000 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-13 06:57:17,000 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-13 06:57:17,005 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 06:57:17 BasicIcfg [2024-10-13 06:57:17,005 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-13 06:57:17,006 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-13 06:57:17,006 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-13 06:57:17,006 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-13 06:57:17,007 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:57:04" (3/4) ... [2024-10-13 06:57:17,009 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-13 06:57:17,011 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-10-13 06:57:17,012 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-10-13 06:57:17,017 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 93 nodes and edges [2024-10-13 06:57:17,017 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-10-13 06:57:17,018 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-13 06:57:17,018 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-10-13 06:57:17,119 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-13 06:57:17,120 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-13 06:57:17,120 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-13 06:57:17,121 INFO L158 Benchmark]: Toolchain (without parser) took 14680.21ms. Allocated memory was 144.7MB in the beginning and 568.3MB in the end (delta: 423.6MB). Free memory was 88.0MB in the beginning and 419.8MB in the end (delta: -331.8MB). Peak memory consumption was 93.7MB. Max. memory is 16.1GB. [2024-10-13 06:57:17,122 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 144.7MB. Free memory is still 106.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 06:57:17,122 INFO L158 Benchmark]: CACSL2BoogieTranslator took 697.82ms. Allocated memory is still 144.7MB. Free memory was 88.0MB in the beginning and 57.7MB in the end (delta: 30.3MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-10-13 06:57:17,122 INFO L158 Benchmark]: Boogie Procedure Inliner took 119.15ms. Allocated memory was 144.7MB in the beginning and 197.1MB in the end (delta: 52.4MB). Free memory was 57.7MB in the beginning and 166.3MB in the end (delta: -108.6MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. [2024-10-13 06:57:17,122 INFO L158 Benchmark]: Boogie Preprocessor took 98.60ms. Allocated memory is still 197.1MB. Free memory was 166.3MB in the beginning and 161.1MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-13 06:57:17,123 INFO L158 Benchmark]: RCFGBuilder took 1008.53ms. Allocated memory is still 197.1MB. Free memory was 161.1MB in the beginning and 64.6MB in the end (delta: 96.5MB). Peak memory consumption was 96.5MB. Max. memory is 16.1GB. [2024-10-13 06:57:17,123 INFO L158 Benchmark]: TraceAbstraction took 12635.86ms. Allocated memory was 197.1MB in the beginning and 568.3MB in the end (delta: 371.2MB). Free memory was 63.6MB in the beginning and 425.0MB in the end (delta: -361.5MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. [2024-10-13 06:57:17,123 INFO L158 Benchmark]: Witness Printer took 114.12ms. Allocated memory is still 568.3MB. Free memory was 425.0MB in the beginning and 419.8MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-13 06:57:17,125 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 144.7MB. Free memory is still 106.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 697.82ms. Allocated memory is still 144.7MB. Free memory was 88.0MB in the beginning and 57.7MB in the end (delta: 30.3MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 119.15ms. Allocated memory was 144.7MB in the beginning and 197.1MB in the end (delta: 52.4MB). Free memory was 57.7MB in the beginning and 166.3MB in the end (delta: -108.6MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 98.60ms. Allocated memory is still 197.1MB. Free memory was 166.3MB in the beginning and 161.1MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1008.53ms. Allocated memory is still 197.1MB. Free memory was 161.1MB in the beginning and 64.6MB in the end (delta: 96.5MB). Peak memory consumption was 96.5MB. Max. memory is 16.1GB. * TraceAbstraction took 12635.86ms. Allocated memory was 197.1MB in the beginning and 568.3MB in the end (delta: 371.2MB). Free memory was 63.6MB in the beginning and 425.0MB in the end (delta: -361.5MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. * Witness Printer took 114.12ms. Allocated memory is still 568.3MB. Free memory was 425.0MB in the beginning and 419.8MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 55 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: 12.4s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 2.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 254 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 244 mSDsluCounter, 138 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 127 mSDsCounter, 57 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 778 IncrementalHoareTripleChecker+Invalid, 835 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 57 mSolverCounterUnsat, 11 mSDtfsCounter, 778 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 49 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=112occurred in iteration=5, InterpolantAutomatonStates: 38, 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, 1.2s SatisfiabilityAnalysisTime, 7.9s InterpolantComputationTime, 118 NumberOfCodeBlocks, 118 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 111 ConstructedInterpolants, 0 QuantifiedInterpolants, 878 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! [2024-10-13 06:57:17,161 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