./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/rfi002_tso.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 803cd42f 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 ../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-assert-order-craig-803cd42-m [2024-11-22 13:34:52,504 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 13:34:52,573 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-22 13:34:52,579 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 13:34:52,581 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 13:34:52,612 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 13:34:52,613 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 13:34:52,614 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 13:34:52,614 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 13:34:52,615 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 13:34:52,615 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 13:34:52,616 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 13:34:52,616 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 13:34:52,617 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 13:34:52,617 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 13:34:52,617 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 13:34:52,618 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 13:34:52,618 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 13:34:52,618 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 13:34:52,619 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 13:34:52,619 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 13:34:52,620 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 13:34:52,620 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 13:34:52,620 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 13:34:52,620 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 13:34:52,620 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 13:34:52,621 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 13:34:52,621 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 13:34:52,621 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 13:34:52,621 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 13:34:52,622 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 13:34:52,622 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 13:34:52,622 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 13:34:52,622 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 13:34:52,623 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 13:34:52,623 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 13:34:52,625 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 13:34:52,625 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 13:34:52,626 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 13:34:52,626 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 13:34:52,626 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 13:34:52,626 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 13:34:52,627 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 48e6a57243e80a87d178da358ff4ad1dd63b86003507ef0dec3764d15038130a [2024-11-22 13:34:52,868 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 13:34:52,891 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 13:34:52,895 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 13:34:52,896 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 13:34:52,897 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 13:34:52,898 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/rfi002_tso.i [2024-11-22 13:34:54,378 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 13:34:54,644 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 13:34:54,645 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/rfi002_tso.i [2024-11-22 13:34:54,663 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/993e238d6/e52184c435d04570acf1a6fbca8c1cdb/FLAG2e3e13359 [2024-11-22 13:34:54,970 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/993e238d6/e52184c435d04570acf1a6fbca8c1cdb [2024-11-22 13:34:54,972 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 13:34:54,974 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 13:34:54,975 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 13:34:54,975 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 13:34:54,984 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 13:34:54,985 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:34:54" (1/1) ... [2024-11-22 13:34:54,988 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73ae630c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:34:54, skipping insertion in model container [2024-11-22 13:34:54,988 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:34:54" (1/1) ... [2024-11-22 13:34:55,045 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 13:34:55,236 WARN L250 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] [2024-11-22 13:34:55,536 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 13:34:55,549 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 13:34:55,565 WARN L250 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] [2024-11-22 13:34:55,635 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 13:34:55,672 INFO L204 MainTranslator]: Completed translation [2024-11-22 13:34:55,673 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:34:55 WrapperNode [2024-11-22 13:34:55,673 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 13:34:55,674 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 13:34:55,674 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 13:34:55,674 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 13:34:55,681 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:34:55" (1/1) ... [2024-11-22 13:34:55,705 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:34:55" (1/1) ... [2024-11-22 13:34:55,744 INFO L138 Inliner]: procedures = 174, calls = 40, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 206 [2024-11-22 13:34:55,745 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 13:34:55,746 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 13:34:55,746 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 13:34:55,746 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 13:34:55,757 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:34:55" (1/1) ... [2024-11-22 13:34:55,757 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:34:55" (1/1) ... [2024-11-22 13:34:55,767 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:34:55" (1/1) ... [2024-11-22 13:34:55,795 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-22 13:34:55,798 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:34:55" (1/1) ... [2024-11-22 13:34:55,799 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:34:55" (1/1) ... [2024-11-22 13:34:55,816 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:34:55" (1/1) ... [2024-11-22 13:34:55,818 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:34:55" (1/1) ... [2024-11-22 13:34:55,824 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:34:55" (1/1) ... [2024-11-22 13:34:55,830 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:34:55" (1/1) ... [2024-11-22 13:34:55,834 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 13:34:55,835 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 13:34:55,835 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 13:34:55,835 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 13:34:55,836 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:34:55" (1/1) ... [2024-11-22 13:34:55,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 13:34:55,851 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 13:34:55,876 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) [2024-11-22 13:34:55,882 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 [2024-11-22 13:34:55,929 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-22 13:34:55,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 13:34:55,930 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-22 13:34:55,930 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-22 13:34:55,930 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-22 13:34:55,930 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-22 13:34:55,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 13:34:55,931 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-22 13:34:55,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 13:34:55,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 13:34:55,934 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-22 13:34:56,065 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 13:34:56,068 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 13:34:56,512 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-22 13:34:56,513 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 13:34:56,849 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 13:34:56,850 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-22 13:34:56,850 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:34:56 BoogieIcfgContainer [2024-11-22 13:34:56,850 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 13:34:56,852 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 13:34:56,854 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 13:34:56,857 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 13:34:56,857 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:34:54" (1/3) ... [2024-11-22 13:34:56,858 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46b07ca3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:34:56, skipping insertion in model container [2024-11-22 13:34:56,858 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:34:55" (2/3) ... [2024-11-22 13:34:56,860 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46b07ca3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:34:56, skipping insertion in model container [2024-11-22 13:34:56,860 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:34:56" (3/3) ... [2024-11-22 13:34:56,861 INFO L112 eAbstractionObserver]: Analyzing ICFG rfi002_tso.i [2024-11-22 13:34:56,876 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 13:34:56,877 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-11-22 13:34:56,877 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-22 13:34:56,933 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-22 13:34:56,967 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 40 places, 34 transitions, 76 flow [2024-11-22 13:34:57,000 INFO L124 PetriNetUnfolderBase]: 1/32 cut-off events. [2024-11-22 13:34:57,001 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-22 13:34:57,006 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. [2024-11-22 13:34:57,007 INFO L82 GeneralOperation]: Start removeDead. Operand has 40 places, 34 transitions, 76 flow [2024-11-22 13:34:57,010 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 38 places, 32 transitions, 70 flow [2024-11-22 13:34:57,020 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 13:34:57,027 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;@2ff5e047, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 13:34:57,027 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-22 13:34:57,033 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-22 13:34:57,033 INFO L124 PetriNetUnfolderBase]: 0/10 cut-off events. [2024-11-22 13:34:57,033 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-22 13:34:57,033 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 13:34:57,034 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-22 13:34:57,034 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P1Err0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-22 13:34:57,039 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 13:34:57,040 INFO L85 PathProgramCache]: Analyzing trace with hash -1507080655, now seen corresponding path program 1 times [2024-11-22 13:34:57,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 13:34:57,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473235750] [2024-11-22 13:34:57,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 13:34:57,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 13:34:57,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 13:34:57,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 13:34:57,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 13:34:57,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473235750] [2024-11-22 13:34:57,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1473235750] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 13:34:57,558 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 13:34:57,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-22 13:34:57,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844517635] [2024-11-22 13:34:57,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 13:34:57,571 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 13:34:57,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 13:34:57,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 13:34:57,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 13:34:57,628 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 34 [2024-11-22 13:34:57,630 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) [2024-11-22 13:34:57,630 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 13:34:57,631 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 34 [2024-11-22 13:34:57,632 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 13:34:58,028 INFO L124 PetriNetUnfolderBase]: 438/790 cut-off events. [2024-11-22 13:34:58,028 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-22 13:34:58,032 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. [2024-11-22 13:34:58,038 INFO L140 encePairwiseOnDemand]: 30/34 looper letters, 29 selfloop transitions, 2 changer transitions 0/40 dead transitions. [2024-11-22 13:34:58,039 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 40 transitions, 148 flow [2024-11-22 13:34:58,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 13:34:58,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 13:34:58,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 67 transitions. [2024-11-22 13:34:58,050 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6568627450980392 [2024-11-22 13:34:58,052 INFO L175 Difference]: Start difference. First operand has 38 places, 32 transitions, 70 flow. Second operand 3 states and 67 transitions. [2024-11-22 13:34:58,053 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 40 transitions, 148 flow [2024-11-22 13:34:58,055 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 40 transitions, 146 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 13:34:58,057 INFO L231 Difference]: Finished difference. Result has 37 places, 30 transitions, 68 flow [2024-11-22 13:34:58,059 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} [2024-11-22 13:34:58,064 INFO L277 CegarLoopForPetriNet]: 38 programPoint places, -1 predicate places. [2024-11-22 13:34:58,065 INFO L471 AbstractCegarLoop]: Abstraction has has 37 places, 30 transitions, 68 flow [2024-11-22 13:34:58,066 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) [2024-11-22 13:34:58,066 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 13:34:58,066 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-22 13:34:58,066 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-22 13:34:58,067 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err1ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-22 13:34:58,068 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 13:34:58,068 INFO L85 PathProgramCache]: Analyzing trace with hash 525140496, now seen corresponding path program 1 times [2024-11-22 13:34:58,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 13:34:58,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453819259] [2024-11-22 13:34:58,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 13:34:58,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 13:34:58,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 13:34:58,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 13:34:58,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 13:34:58,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453819259] [2024-11-22 13:34:58,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1453819259] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 13:34:58,273 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 13:34:58,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-22 13:34:58,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120839188] [2024-11-22 13:34:58,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 13:34:58,275 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 13:34:58,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 13:34:58,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 13:34:58,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 13:34:58,277 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 34 [2024-11-22 13:34:58,278 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) [2024-11-22 13:34:58,278 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 13:34:58,278 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 34 [2024-11-22 13:34:58,278 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 13:34:58,527 INFO L124 PetriNetUnfolderBase]: 380/717 cut-off events. [2024-11-22 13:34:58,527 INFO L125 PetriNetUnfolderBase]: For 35/35 co-relation queries the response was YES. [2024-11-22 13:34:58,531 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. [2024-11-22 13:34:58,535 INFO L140 encePairwiseOnDemand]: 31/34 looper letters, 26 selfloop transitions, 2 changer transitions 2/39 dead transitions. [2024-11-22 13:34:58,536 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 39 transitions, 146 flow [2024-11-22 13:34:58,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 13:34:58,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 13:34:58,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 64 transitions. [2024-11-22 13:34:58,538 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6274509803921569 [2024-11-22 13:34:58,538 INFO L175 Difference]: Start difference. First operand has 37 places, 30 transitions, 68 flow. Second operand 3 states and 64 transitions. [2024-11-22 13:34:58,538 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 39 transitions, 146 flow [2024-11-22 13:34:58,539 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 39 transitions, 142 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 13:34:58,540 INFO L231 Difference]: Finished difference. Result has 36 places, 28 transitions, 64 flow [2024-11-22 13:34:58,541 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} [2024-11-22 13:34:58,542 INFO L277 CegarLoopForPetriNet]: 38 programPoint places, -2 predicate places. [2024-11-22 13:34:58,542 INFO L471 AbstractCegarLoop]: Abstraction has has 36 places, 28 transitions, 64 flow [2024-11-22 13:34:58,542 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) [2024-11-22 13:34:58,542 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 13:34:58,543 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 13:34:58,543 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-22 13:34:58,544 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-22 13:34:58,544 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 13:34:58,544 INFO L85 PathProgramCache]: Analyzing trace with hash 1548852309, now seen corresponding path program 1 times [2024-11-22 13:34:58,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 13:34:58,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32721329] [2024-11-22 13:34:58,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 13:34:58,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 13:34:58,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 13:34:58,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 13:34:58,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 13:34:58,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [32721329] [2024-11-22 13:34:58,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [32721329] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 13:34:58,815 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 13:34:58,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 13:34:58,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74018019] [2024-11-22 13:34:58,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 13:34:58,816 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 13:34:58,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 13:34:58,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 13:34:58,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 13:34:58,821 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 34 [2024-11-22 13:34:58,822 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) [2024-11-22 13:34:58,822 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 13:34:58,822 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 34 [2024-11-22 13:34:58,823 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 13:34:59,124 INFO L124 PetriNetUnfolderBase]: 355/708 cut-off events. [2024-11-22 13:34:59,124 INFO L125 PetriNetUnfolderBase]: For 26/26 co-relation queries the response was YES. [2024-11-22 13:34:59,125 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. [2024-11-22 13:34:59,128 INFO L140 encePairwiseOnDemand]: 29/34 looper letters, 43 selfloop transitions, 4 changer transitions 1/54 dead transitions. [2024-11-22 13:34:59,128 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 54 transitions, 218 flow [2024-11-22 13:34:59,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 13:34:59,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-22 13:34:59,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 82 transitions. [2024-11-22 13:34:59,130 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6029411764705882 [2024-11-22 13:34:59,130 INFO L175 Difference]: Start difference. First operand has 36 places, 28 transitions, 64 flow. Second operand 4 states and 82 transitions. [2024-11-22 13:34:59,130 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 54 transitions, 218 flow [2024-11-22 13:34:59,131 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 54 transitions, 210 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 13:34:59,132 INFO L231 Difference]: Finished difference. Result has 38 places, 30 transitions, 86 flow [2024-11-22 13:34:59,132 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} [2024-11-22 13:34:59,133 INFO L277 CegarLoopForPetriNet]: 38 programPoint places, 0 predicate places. [2024-11-22 13:34:59,133 INFO L471 AbstractCegarLoop]: Abstraction has has 38 places, 30 transitions, 86 flow [2024-11-22 13:34:59,134 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) [2024-11-22 13:34:59,134 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 13:34:59,134 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 13:34:59,134 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-22 13:34:59,134 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-22 13:34:59,135 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 13:34:59,135 INFO L85 PathProgramCache]: Analyzing trace with hash -1858141452, now seen corresponding path program 1 times [2024-11-22 13:34:59,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 13:34:59,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786941622] [2024-11-22 13:34:59,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 13:34:59,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 13:34:59,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 13:34:59,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 13:34:59,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 13:34:59,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786941622] [2024-11-22 13:34:59,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1786941622] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 13:34:59,637 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 13:34:59,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 13:34:59,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976056878] [2024-11-22 13:34:59,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 13:34:59,639 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 13:34:59,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 13:34:59,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 13:34:59,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-22 13:34:59,666 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 34 [2024-11-22 13:34:59,667 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) [2024-11-22 13:34:59,667 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 13:34:59,667 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 34 [2024-11-22 13:34:59,667 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 13:34:59,897 INFO L124 PetriNetUnfolderBase]: 177/346 cut-off events. [2024-11-22 13:34:59,897 INFO L125 PetriNetUnfolderBase]: For 76/76 co-relation queries the response was YES. [2024-11-22 13:34:59,898 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. [2024-11-22 13:34:59,900 INFO L140 encePairwiseOnDemand]: 29/34 looper letters, 34 selfloop transitions, 6 changer transitions 1/47 dead transitions. [2024-11-22 13:34:59,900 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 47 transitions, 207 flow [2024-11-22 13:34:59,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 13:34:59,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-22 13:34:59,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 83 transitions. [2024-11-22 13:34:59,902 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.48823529411764705 [2024-11-22 13:34:59,902 INFO L175 Difference]: Start difference. First operand has 38 places, 30 transitions, 86 flow. Second operand 5 states and 83 transitions. [2024-11-22 13:34:59,902 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 47 transitions, 207 flow [2024-11-22 13:34:59,904 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 47 transitions, 198 flow, removed 1 selfloop flow, removed 2 redundant places. [2024-11-22 13:34:59,905 INFO L231 Difference]: Finished difference. Result has 42 places, 30 transitions, 102 flow [2024-11-22 13:34:59,905 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} [2024-11-22 13:34:59,906 INFO L277 CegarLoopForPetriNet]: 38 programPoint places, 4 predicate places. [2024-11-22 13:34:59,906 INFO L471 AbstractCegarLoop]: Abstraction has has 42 places, 30 transitions, 102 flow [2024-11-22 13:34:59,906 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) [2024-11-22 13:34:59,906 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 13:34:59,907 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 13:34:59,907 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-22 13:34:59,907 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-22 13:34:59,908 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 13:34:59,908 INFO L85 PathProgramCache]: Analyzing trace with hash -1985805631, now seen corresponding path program 1 times [2024-11-22 13:34:59,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 13:34:59,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440281693] [2024-11-22 13:34:59,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 13:34:59,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 13:35:00,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 13:35:03,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 13:35:03,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 13:35:03,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440281693] [2024-11-22 13:35:03,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1440281693] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 13:35:03,326 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 13:35:03,326 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-22 13:35:03,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049957130] [2024-11-22 13:35:03,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 13:35:03,326 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-22 13:35:03,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 13:35:03,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-22 13:35:03,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-22 13:35:03,359 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 34 [2024-11-22 13:35:03,359 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) [2024-11-22 13:35:03,359 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 13:35:03,360 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 34 [2024-11-22 13:35:03,360 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 13:35:03,933 INFO L124 PetriNetUnfolderBase]: 263/557 cut-off events. [2024-11-22 13:35:03,934 INFO L125 PetriNetUnfolderBase]: For 182/182 co-relation queries the response was YES. [2024-11-22 13:35:03,935 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. [2024-11-22 13:35:03,937 INFO L140 encePairwiseOnDemand]: 25/34 looper letters, 28 selfloop transitions, 5 changer transitions 31/73 dead transitions. [2024-11-22 13:35:03,937 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 73 transitions, 330 flow [2024-11-22 13:35:03,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-22 13:35:03,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-22 13:35:03,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 146 transitions. [2024-11-22 13:35:03,938 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.477124183006536 [2024-11-22 13:35:03,939 INFO L175 Difference]: Start difference. First operand has 42 places, 30 transitions, 102 flow. Second operand 9 states and 146 transitions. [2024-11-22 13:35:03,939 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 73 transitions, 330 flow [2024-11-22 13:35:03,941 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 73 transitions, 290 flow, removed 11 selfloop flow, removed 6 redundant places. [2024-11-22 13:35:03,942 INFO L231 Difference]: Finished difference. Result has 50 places, 33 transitions, 112 flow [2024-11-22 13:35:03,942 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} [2024-11-22 13:35:03,943 INFO L277 CegarLoopForPetriNet]: 38 programPoint places, 12 predicate places. [2024-11-22 13:35:03,943 INFO L471 AbstractCegarLoop]: Abstraction has has 50 places, 33 transitions, 112 flow [2024-11-22 13:35:03,944 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) [2024-11-22 13:35:03,944 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 13:35:03,944 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 13:35:03,944 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-22 13:35:03,945 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-22 13:35:03,945 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 13:35:03,945 INFO L85 PathProgramCache]: Analyzing trace with hash -1415734003, now seen corresponding path program 2 times [2024-11-22 13:35:03,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 13:35:03,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410579770] [2024-11-22 13:35:03,946 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 13:35:03,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 13:35:04,219 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-22 13:35:04,219 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 13:35:04,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 13:35:04,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 13:35:04,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410579770] [2024-11-22 13:35:04,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1410579770] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 13:35:04,861 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 13:35:04,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-22 13:35:04,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695380566] [2024-11-22 13:35:04,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 13:35:04,863 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 13:35:04,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 13:35:04,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 13:35:04,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-22 13:35:04,872 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 34 [2024-11-22 13:35:04,872 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) [2024-11-22 13:35:04,873 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 13:35:04,873 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 34 [2024-11-22 13:35:04,873 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 13:35:05,154 INFO L124 PetriNetUnfolderBase]: 194/437 cut-off events. [2024-11-22 13:35:05,155 INFO L125 PetriNetUnfolderBase]: For 61/61 co-relation queries the response was YES. [2024-11-22 13:35:05,156 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. [2024-11-22 13:35:05,157 INFO L140 encePairwiseOnDemand]: 28/34 looper letters, 21 selfloop transitions, 2 changer transitions 20/53 dead transitions. [2024-11-22 13:35:05,157 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 53 transitions, 251 flow [2024-11-22 13:35:05,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 13:35:05,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-22 13:35:05,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 101 transitions. [2024-11-22 13:35:05,159 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4950980392156863 [2024-11-22 13:35:05,159 INFO L175 Difference]: Start difference. First operand has 50 places, 33 transitions, 112 flow. Second operand 6 states and 101 transitions. [2024-11-22 13:35:05,159 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 53 transitions, 251 flow [2024-11-22 13:35:05,160 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 53 transitions, 228 flow, removed 8 selfloop flow, removed 7 redundant places. [2024-11-22 13:35:05,161 INFO L231 Difference]: Finished difference. Result has 47 places, 30 transitions, 98 flow [2024-11-22 13:35:05,161 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} [2024-11-22 13:35:05,162 INFO L277 CegarLoopForPetriNet]: 38 programPoint places, 9 predicate places. [2024-11-22 13:35:05,163 INFO L471 AbstractCegarLoop]: Abstraction has has 47 places, 30 transitions, 98 flow [2024-11-22 13:35:05,163 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) [2024-11-22 13:35:05,163 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 13:35:05,163 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 13:35:05,163 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-22 13:35:05,164 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-22 13:35:05,164 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 13:35:05,164 INFO L85 PathProgramCache]: Analyzing trace with hash -299630815, now seen corresponding path program 3 times [2024-11-22 13:35:05,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 13:35:05,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723719210] [2024-11-22 13:35:05,165 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-22 13:35:05,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 13:35:05,403 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-22 13:35:05,403 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 13:35:08,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 13:35:08,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 13:35:08,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723719210] [2024-11-22 13:35:08,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [723719210] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 13:35:08,495 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 13:35:08,495 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-22 13:35:08,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162337454] [2024-11-22 13:35:08,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 13:35:08,496 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-22 13:35:08,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 13:35:08,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-22 13:35:08,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-22 13:35:08,513 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 34 [2024-11-22 13:35:08,514 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) [2024-11-22 13:35:08,514 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 13:35:08,514 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 34 [2024-11-22 13:35:08,515 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 13:35:09,019 INFO L124 PetriNetUnfolderBase]: 90/202 cut-off events. [2024-11-22 13:35:09,019 INFO L125 PetriNetUnfolderBase]: For 44/44 co-relation queries the response was YES. [2024-11-22 13:35:09,020 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. [2024-11-22 13:35:09,020 INFO L140 encePairwiseOnDemand]: 27/34 looper letters, 0 selfloop transitions, 0 changer transitions 41/41 dead transitions. [2024-11-22 13:35:09,020 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 41 transitions, 186 flow [2024-11-22 13:35:09,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-22 13:35:09,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-22 13:35:09,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 106 transitions. [2024-11-22 13:35:09,022 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3897058823529412 [2024-11-22 13:35:09,022 INFO L175 Difference]: Start difference. First operand has 47 places, 30 transitions, 98 flow. Second operand 8 states and 106 transitions. [2024-11-22 13:35:09,022 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 41 transitions, 186 flow [2024-11-22 13:35:09,023 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 41 transitions, 176 flow, removed 4 selfloop flow, removed 3 redundant places. [2024-11-22 13:35:09,023 INFO L231 Difference]: Finished difference. Result has 46 places, 0 transitions, 0 flow [2024-11-22 13:35:09,024 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} [2024-11-22 13:35:09,024 INFO L277 CegarLoopForPetriNet]: 38 programPoint places, 8 predicate places. [2024-11-22 13:35:09,024 INFO L471 AbstractCegarLoop]: Abstraction has has 46 places, 0 transitions, 0 flow [2024-11-22 13:35:09,025 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) [2024-11-22 13:35:09,027 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONERROR_FUNCTION (6 of 7 remaining) [2024-11-22 13:35:09,028 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONERROR_FUNCTION (5 of 7 remaining) [2024-11-22 13:35:09,028 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 7 remaining) [2024-11-22 13:35:09,028 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 7 remaining) [2024-11-22 13:35:09,029 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 7 remaining) [2024-11-22 13:35:09,029 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 7 remaining) [2024-11-22 13:35:09,029 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONERROR_FUNCTION (0 of 7 remaining) [2024-11-22 13:35:09,029 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-22 13:35:09,030 INFO L407 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1] [2024-11-22 13:35:09,035 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-22 13:35:09,035 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-22 13:35:09,040 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 01:35:09 BasicIcfg [2024-11-22 13:35:09,040 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-22 13:35:09,041 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-22 13:35:09,041 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-22 13:35:09,041 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-22 13:35:09,042 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:34:56" (3/4) ... [2024-11-22 13:35:09,044 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-22 13:35:09,047 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-11-22 13:35:09,047 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-11-22 13:35:09,053 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 93 nodes and edges [2024-11-22 13:35:09,055 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-11-22 13:35:09,055 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-22 13:35:09,055 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-22 13:35:09,151 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-22 13:35:09,151 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-22 13:35:09,151 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-22 13:35:09,152 INFO L158 Benchmark]: Toolchain (without parser) took 14178.50ms. Allocated memory was 172.0MB in the beginning and 595.6MB in the end (delta: 423.6MB). Free memory was 101.1MB in the beginning and 300.5MB in the end (delta: -199.4MB). Peak memory consumption was 226.4MB. Max. memory is 16.1GB. [2024-11-22 13:35:09,152 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 172.0MB. Free memory is still 128.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 13:35:09,153 INFO L158 Benchmark]: CACSL2BoogieTranslator took 698.45ms. Allocated memory is still 172.0MB. Free memory was 100.9MB in the beginning and 128.8MB in the end (delta: -27.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-22 13:35:09,153 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.20ms. Allocated memory is still 172.0MB. Free memory was 128.8MB in the beginning and 124.7MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-22 13:35:09,154 INFO L158 Benchmark]: Boogie Preprocessor took 88.64ms. Allocated memory is still 172.0MB. Free memory was 124.7MB in the beginning and 119.1MB in the end (delta: 5.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-22 13:35:09,154 INFO L158 Benchmark]: RCFGBuilder took 1015.78ms. Allocated memory is still 172.0MB. Free memory was 119.1MB in the beginning and 109.7MB in the end (delta: 9.4MB). Peak memory consumption was 74.1MB. Max. memory is 16.1GB. [2024-11-22 13:35:09,154 INFO L158 Benchmark]: TraceAbstraction took 12188.20ms. Allocated memory was 172.0MB in the beginning and 595.6MB in the end (delta: 423.6MB). Free memory was 108.7MB in the beginning and 305.8MB in the end (delta: -197.1MB). Peak memory consumption was 226.4MB. Max. memory is 16.1GB. [2024-11-22 13:35:09,155 INFO L158 Benchmark]: Witness Printer took 110.43ms. Allocated memory is still 595.6MB. Free memory was 305.8MB in the beginning and 300.5MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-22 13:35:09,156 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 172.0MB. Free memory is still 128.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 698.45ms. Allocated memory is still 172.0MB. Free memory was 100.9MB in the beginning and 128.8MB in the end (delta: -27.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.20ms. Allocated memory is still 172.0MB. Free memory was 128.8MB in the beginning and 124.7MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 88.64ms. Allocated memory is still 172.0MB. Free memory was 124.7MB in the beginning and 119.1MB in the end (delta: 5.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1015.78ms. Allocated memory is still 172.0MB. Free memory was 119.1MB in the beginning and 109.7MB in the end (delta: 9.4MB). Peak memory consumption was 74.1MB. Max. memory is 16.1GB. * TraceAbstraction took 12188.20ms. Allocated memory was 172.0MB in the beginning and 595.6MB in the end (delta: 423.6MB). Free memory was 108.7MB in the beginning and 305.8MB in the end (delta: -197.1MB). Peak memory consumption was 226.4MB. Max. memory is 16.1GB. * Witness Printer took 110.43ms. Allocated memory is still 595.6MB. Free memory was 305.8MB in the beginning and 300.5MB 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: 12.1s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 2.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 254 SdHoareTripleChecker+Valid, 1.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 244 mSDsluCounter, 138 SdHoareTripleChecker+Invalid, 1.2s 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, 1.1s 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! [2024-11-22 13:35:09,180 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE