./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-atomic/peterson.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7724a2de 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 ../../../trunk/examples/svcomp/pthread-atomic/peterson.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 ee3d1a41e169e13d6fb9bc974b1d8f7c8de5421cb2dfbc7e3d9a400662188398 --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.fs.goblint-validation-7724a2d-m [2024-06-27 16:18:26,454 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-06-27 16:18:26,516 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-06-27 16:18:26,520 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-06-27 16:18:26,520 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-06-27 16:18:26,541 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-06-27 16:18:26,542 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-06-27 16:18:26,542 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-06-27 16:18:26,543 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-06-27 16:18:26,545 INFO L153 SettingsManager]: * Use memory slicer=true [2024-06-27 16:18:26,546 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-06-27 16:18:26,546 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-06-27 16:18:26,547 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-06-27 16:18:26,548 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-06-27 16:18:26,548 INFO L153 SettingsManager]: * Use SBE=true [2024-06-27 16:18:26,548 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-06-27 16:18:26,548 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-06-27 16:18:26,549 INFO L153 SettingsManager]: * sizeof long=4 [2024-06-27 16:18:26,549 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-06-27 16:18:26,549 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-06-27 16:18:26,550 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-06-27 16:18:26,550 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-06-27 16:18:26,551 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-06-27 16:18:26,551 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-06-27 16:18:26,551 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-06-27 16:18:26,551 INFO L153 SettingsManager]: * sizeof long double=12 [2024-06-27 16:18:26,552 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-06-27 16:18:26,552 INFO L153 SettingsManager]: * Use constant arrays=true [2024-06-27 16:18:26,552 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-06-27 16:18:26,552 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-06-27 16:18:26,553 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-06-27 16:18:26,553 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-06-27 16:18:26,554 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-27 16:18:26,554 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-06-27 16:18:26,554 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-06-27 16:18:26,554 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-06-27 16:18:26,554 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-06-27 16:18:26,554 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-06-27 16:18:26,555 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-06-27 16:18:26,555 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-06-27 16:18:26,555 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-06-27 16:18:26,555 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-06-27 16:18:26,555 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-06-27 16:18:26,556 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ee3d1a41e169e13d6fb9bc974b1d8f7c8de5421cb2dfbc7e3d9a400662188398 [2024-06-27 16:18:26,748 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-06-27 16:18:26,770 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-06-27 16:18:26,772 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-06-27 16:18:26,773 INFO L270 PluginConnector]: Initializing CDTParser... [2024-06-27 16:18:26,773 INFO L274 PluginConnector]: CDTParser initialized [2024-06-27 16:18:26,774 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/peterson.i [2024-06-27 16:18:27,868 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-06-27 16:18:28,047 INFO L384 CDTParser]: Found 1 translation units. [2024-06-27 16:18:28,054 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/peterson.i [2024-06-27 16:18:28,064 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/98d1dcd43/7f20aa83f5014a318b19cc96db5b6ff8/FLAGf3b7e58cd [2024-06-27 16:18:28,074 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/98d1dcd43/7f20aa83f5014a318b19cc96db5b6ff8 [2024-06-27 16:18:28,076 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-06-27 16:18:28,077 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-06-27 16:18:28,078 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-06-27 16:18:28,082 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-06-27 16:18:28,086 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-06-27 16:18:28,087 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.06 04:18:28" (1/1) ... [2024-06-27 16:18:28,087 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2dd0b12d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 04:18:28, skipping insertion in model container [2024-06-27 16:18:28,087 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.06 04:18:28" (1/1) ... [2024-06-27 16:18:28,135 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-06-27 16:18:28,365 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/peterson.i[30997,31010] [2024-06-27 16:18:28,374 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/peterson.i[31682,31695] [2024-06-27 16:18:28,383 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-27 16:18:28,389 INFO L202 MainTranslator]: Completed pre-run [2024-06-27 16:18:28,424 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/peterson.i[30997,31010] [2024-06-27 16:18:28,425 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/peterson.i[31682,31695] [2024-06-27 16:18:28,427 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-27 16:18:28,456 INFO L206 MainTranslator]: Completed translation [2024-06-27 16:18:28,456 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 04:18:28 WrapperNode [2024-06-27 16:18:28,456 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-06-27 16:18:28,458 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-06-27 16:18:28,458 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-06-27 16:18:28,458 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-06-27 16:18:28,463 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 04:18:28" (1/1) ... [2024-06-27 16:18:28,474 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 04:18:28" (1/1) ... [2024-06-27 16:18:28,497 INFO L138 Inliner]: procedures = 169, calls = 36, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 30 [2024-06-27 16:18:28,499 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-06-27 16:18:28,499 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-06-27 16:18:28,499 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-06-27 16:18:28,499 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-06-27 16:18:28,506 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 04:18:28" (1/1) ... [2024-06-27 16:18:28,507 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 04:18:28" (1/1) ... [2024-06-27 16:18:28,510 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 04:18:28" (1/1) ... [2024-06-27 16:18:28,533 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]. [2024-06-27 16:18:28,533 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 04:18:28" (1/1) ... [2024-06-27 16:18:28,533 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 04:18:28" (1/1) ... [2024-06-27 16:18:28,536 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 04:18:28" (1/1) ... [2024-06-27 16:18:28,539 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 04:18:28" (1/1) ... [2024-06-27 16:18:28,541 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 04:18:28" (1/1) ... [2024-06-27 16:18:28,542 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 04:18:28" (1/1) ... [2024-06-27 16:18:28,544 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-06-27 16:18:28,544 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-06-27 16:18:28,544 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-06-27 16:18:28,544 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-06-27 16:18:28,545 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 04:18:28" (1/1) ... [2024-06-27 16:18:28,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-27 16:18:28,566 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-06-27 16:18:28,605 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) [2024-06-27 16:18:28,622 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 [2024-06-27 16:18:28,641 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2024-06-27 16:18:28,642 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2024-06-27 16:18:28,642 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-06-27 16:18:28,642 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-06-27 16:18:28,642 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-06-27 16:18:28,642 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-06-27 16:18:28,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-06-27 16:18:28,642 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-06-27 16:18:28,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-06-27 16:18:28,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-06-27 16:18:28,644 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-06-27 16:18:28,733 INFO L244 CfgBuilder]: Building ICFG [2024-06-27 16:18:28,734 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-06-27 16:18:28,835 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-06-27 16:18:28,835 INFO L293 CfgBuilder]: Performing block encoding [2024-06-27 16:18:28,888 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-06-27 16:18:28,888 INFO L320 CfgBuilder]: Removed 2 assume(true) statements. [2024-06-27 16:18:28,889 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.06 04:18:28 BoogieIcfgContainer [2024-06-27 16:18:28,889 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-06-27 16:18:28,902 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-06-27 16:18:28,902 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-06-27 16:18:28,905 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-06-27 16:18:28,906 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.06 04:18:28" (1/3) ... [2024-06-27 16:18:28,906 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50c8790 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.06 04:18:28, skipping insertion in model container [2024-06-27 16:18:28,907 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 04:18:28" (2/3) ... [2024-06-27 16:18:28,907 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50c8790 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.06 04:18:28, skipping insertion in model container [2024-06-27 16:18:28,908 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.06 04:18:28" (3/3) ... [2024-06-27 16:18:28,909 INFO L112 eAbstractionObserver]: Analyzing ICFG peterson.i [2024-06-27 16:18:28,915 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-06-27 16:18:28,922 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-06-27 16:18:28,922 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-06-27 16:18:28,922 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-06-27 16:18:28,952 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-06-27 16:18:28,975 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 43 places, 40 transitions, 94 flow [2024-06-27 16:18:28,996 INFO L124 PetriNetUnfolderBase]: 4/38 cut-off events. [2024-06-27 16:18:28,997 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-06-27 16:18:29,000 INFO L83 FinitePrefix]: Finished finitePrefix Result has 47 conditions, 38 events. 4/38 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 59 event pairs, 0 based on Foata normal form. 0/32 useless extension candidates. Maximal degree in co-relation 35. Up to 2 conditions per place. [2024-06-27 16:18:29,003 INFO L82 GeneralOperation]: Start removeDead. Operand has 43 places, 40 transitions, 94 flow [2024-06-27 16:18:29,005 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 39 places, 36 transitions, 81 flow [2024-06-27 16:18:29,012 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-06-27 16:18:29,021 INFO L357 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, mHoare=true, 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;@580c2d18, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-06-27 16:18:29,021 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-06-27 16:18:29,027 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-06-27 16:18:29,030 INFO L124 PetriNetUnfolderBase]: 2/24 cut-off events. [2024-06-27 16:18:29,031 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-27 16:18:29,031 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-27 16:18:29,031 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-27 16:18:29,032 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-06-27 16:18:29,036 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-27 16:18:29,036 INFO L85 PathProgramCache]: Analyzing trace with hash -1211308210, now seen corresponding path program 1 times [2024-06-27 16:18:29,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-27 16:18:29,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60930977] [2024-06-27 16:18:29,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-27 16:18:29,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-27 16:18:29,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-27 16:18:29,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-27 16:18:29,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-27 16:18:29,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [60930977] [2024-06-27 16:18:29,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [60930977] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-27 16:18:29,290 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-27 16:18:29,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-06-27 16:18:29,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814704994] [2024-06-27 16:18:29,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-27 16:18:29,312 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-06-27 16:18:29,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-27 16:18:29,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-06-27 16:18:29,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-06-27 16:18:29,347 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 24 out of 40 [2024-06-27 16:18:29,350 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 36 transitions, 81 flow. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 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) [2024-06-27 16:18:29,350 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-27 16:18:29,350 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 24 of 40 [2024-06-27 16:18:29,351 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-27 16:18:29,413 INFO L124 PetriNetUnfolderBase]: 46/165 cut-off events. [2024-06-27 16:18:29,417 INFO L125 PetriNetUnfolderBase]: For 13/13 co-relation queries the response was YES. [2024-06-27 16:18:29,418 INFO L83 FinitePrefix]: Finished finitePrefix Result has 282 conditions, 165 events. 46/165 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 785 event pairs, 16 based on Foata normal form. 35/188 useless extension candidates. Maximal degree in co-relation 240. Up to 53 conditions per place. [2024-06-27 16:18:29,420 INFO L140 encePairwiseOnDemand]: 33/40 looper letters, 13 selfloop transitions, 3 changer transitions 1/39 dead transitions. [2024-06-27 16:18:29,421 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 39 transitions, 124 flow [2024-06-27 16:18:29,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-06-27 16:18:29,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-06-27 16:18:29,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 94 transitions. [2024-06-27 16:18:29,430 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7833333333333333 [2024-06-27 16:18:29,431 INFO L175 Difference]: Start difference. First operand has 39 places, 36 transitions, 81 flow. Second operand 3 states and 94 transitions. [2024-06-27 16:18:29,432 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 39 transitions, 124 flow [2024-06-27 16:18:29,434 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 39 transitions, 117 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-06-27 16:18:29,435 INFO L231 Difference]: Finished difference. Result has 40 places, 35 transitions, 92 flow [2024-06-27 16:18:29,437 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=72, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=92, PETRI_PLACES=40, PETRI_TRANSITIONS=35} [2024-06-27 16:18:29,439 INFO L281 CegarLoopForPetriNet]: 39 programPoint places, 1 predicate places. [2024-06-27 16:18:29,439 INFO L495 AbstractCegarLoop]: Abstraction has has 40 places, 35 transitions, 92 flow [2024-06-27 16:18:29,440 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 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) [2024-06-27 16:18:29,440 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-27 16:18:29,440 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-27 16:18:29,440 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-06-27 16:18:29,440 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr2Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-06-27 16:18:29,441 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-27 16:18:29,441 INFO L85 PathProgramCache]: Analyzing trace with hash 1878596111, now seen corresponding path program 1 times [2024-06-27 16:18:29,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-27 16:18:29,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915825675] [2024-06-27 16:18:29,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-27 16:18:29,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-27 16:18:29,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-27 16:18:29,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-27 16:18:29,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-27 16:18:29,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915825675] [2024-06-27 16:18:29,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [915825675] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-27 16:18:29,483 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-27 16:18:29,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-06-27 16:18:29,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607897820] [2024-06-27 16:18:29,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-27 16:18:29,485 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-06-27 16:18:29,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-27 16:18:29,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-06-27 16:18:29,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-06-27 16:18:29,491 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 24 out of 40 [2024-06-27 16:18:29,491 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 35 transitions, 92 flow. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 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) [2024-06-27 16:18:29,492 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-27 16:18:29,492 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 24 of 40 [2024-06-27 16:18:29,492 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-27 16:18:29,528 INFO L124 PetriNetUnfolderBase]: 52/180 cut-off events. [2024-06-27 16:18:29,529 INFO L125 PetriNetUnfolderBase]: For 46/46 co-relation queries the response was YES. [2024-06-27 16:18:29,530 INFO L83 FinitePrefix]: Finished finitePrefix Result has 355 conditions, 180 events. 52/180 cut-off events. For 46/46 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 831 event pairs, 28 based on Foata normal form. 13/183 useless extension candidates. Maximal degree in co-relation 175. Up to 80 conditions per place. [2024-06-27 16:18:29,530 INFO L140 encePairwiseOnDemand]: 36/40 looper letters, 12 selfloop transitions, 2 changer transitions 3/39 dead transitions. [2024-06-27 16:18:29,531 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 39 transitions, 135 flow [2024-06-27 16:18:29,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-06-27 16:18:29,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-06-27 16:18:29,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 91 transitions. [2024-06-27 16:18:29,532 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7583333333333333 [2024-06-27 16:18:29,532 INFO L175 Difference]: Start difference. First operand has 40 places, 35 transitions, 92 flow. Second operand 3 states and 91 transitions. [2024-06-27 16:18:29,532 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 39 transitions, 135 flow [2024-06-27 16:18:29,533 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 39 transitions, 129 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-06-27 16:18:29,534 INFO L231 Difference]: Finished difference. Result has 41 places, 35 transitions, 96 flow [2024-06-27 16:18:29,534 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=86, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=96, PETRI_PLACES=41, PETRI_TRANSITIONS=35} [2024-06-27 16:18:29,535 INFO L281 CegarLoopForPetriNet]: 39 programPoint places, 2 predicate places. [2024-06-27 16:18:29,535 INFO L495 AbstractCegarLoop]: Abstraction has has 41 places, 35 transitions, 96 flow [2024-06-27 16:18:29,535 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 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) [2024-06-27 16:18:29,535 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-27 16:18:29,535 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-27 16:18:29,536 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-06-27 16:18:29,536 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-06-27 16:18:29,536 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-27 16:18:29,536 INFO L85 PathProgramCache]: Analyzing trace with hash -1318664813, now seen corresponding path program 1 times [2024-06-27 16:18:29,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-27 16:18:29,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281783652] [2024-06-27 16:18:29,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-27 16:18:29,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-27 16:18:29,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-27 16:18:29,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-27 16:18:29,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-27 16:18:29,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281783652] [2024-06-27 16:18:29,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1281783652] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-27 16:18:29,656 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-27 16:18:29,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-06-27 16:18:29,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577102428] [2024-06-27 16:18:29,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-27 16:18:29,656 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-06-27 16:18:29,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-27 16:18:29,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-06-27 16:18:29,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-06-27 16:18:29,687 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 40 [2024-06-27 16:18:29,688 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 35 transitions, 96 flow. Second operand has 6 states, 6 states have (on average 18.833333333333332) internal successors, (113), 6 states have internal predecessors, (113), 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) [2024-06-27 16:18:29,689 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-27 16:18:29,689 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 40 [2024-06-27 16:18:29,689 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-27 16:18:29,890 INFO L124 PetriNetUnfolderBase]: 273/614 cut-off events. [2024-06-27 16:18:29,891 INFO L125 PetriNetUnfolderBase]: For 231/231 co-relation queries the response was YES. [2024-06-27 16:18:29,894 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1212 conditions, 614 events. 273/614 cut-off events. For 231/231 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 3292 event pairs, 53 based on Foata normal form. 22/627 useless extension candidates. Maximal degree in co-relation 1107. Up to 156 conditions per place. [2024-06-27 16:18:29,896 INFO L140 encePairwiseOnDemand]: 30/40 looper letters, 36 selfloop transitions, 13 changer transitions 21/85 dead transitions. [2024-06-27 16:18:29,896 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 85 transitions, 354 flow [2024-06-27 16:18:29,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-06-27 16:18:29,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-06-27 16:18:29,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 243 transitions. [2024-06-27 16:18:29,904 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6075 [2024-06-27 16:18:29,904 INFO L175 Difference]: Start difference. First operand has 41 places, 35 transitions, 96 flow. Second operand 10 states and 243 transitions. [2024-06-27 16:18:29,905 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 85 transitions, 354 flow [2024-06-27 16:18:29,908 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 85 transitions, 351 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-06-27 16:18:29,909 INFO L231 Difference]: Finished difference. Result has 58 places, 47 transitions, 202 flow [2024-06-27 16:18:29,910 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=94, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=202, PETRI_PLACES=58, PETRI_TRANSITIONS=47} [2024-06-27 16:18:29,911 INFO L281 CegarLoopForPetriNet]: 39 programPoint places, 19 predicate places. [2024-06-27 16:18:29,911 INFO L495 AbstractCegarLoop]: Abstraction has has 58 places, 47 transitions, 202 flow [2024-06-27 16:18:29,911 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.833333333333332) internal successors, (113), 6 states have internal predecessors, (113), 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) [2024-06-27 16:18:29,911 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-27 16:18:29,911 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-27 16:18:29,912 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-06-27 16:18:29,912 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-06-27 16:18:29,913 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-27 16:18:29,914 INFO L85 PathProgramCache]: Analyzing trace with hash 1142165899, now seen corresponding path program 2 times [2024-06-27 16:18:29,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-27 16:18:29,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871276810] [2024-06-27 16:18:29,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-27 16:18:29,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-27 16:18:29,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-27 16:18:30,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-27 16:18:30,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-27 16:18:30,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871276810] [2024-06-27 16:18:30,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1871276810] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-27 16:18:30,027 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-27 16:18:30,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-06-27 16:18:30,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897517191] [2024-06-27 16:18:30,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-27 16:18:30,028 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-06-27 16:18:30,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-27 16:18:30,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-06-27 16:18:30,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-06-27 16:18:30,050 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 40 [2024-06-27 16:18:30,051 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 47 transitions, 202 flow. Second operand has 6 states, 6 states have (on average 18.833333333333332) internal successors, (113), 6 states have internal predecessors, (113), 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) [2024-06-27 16:18:30,051 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-27 16:18:30,051 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 40 [2024-06-27 16:18:30,051 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-27 16:18:30,203 INFO L124 PetriNetUnfolderBase]: 256/592 cut-off events. [2024-06-27 16:18:30,204 INFO L125 PetriNetUnfolderBase]: For 593/605 co-relation queries the response was YES. [2024-06-27 16:18:30,205 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1570 conditions, 592 events. 256/592 cut-off events. For 593/605 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 3107 event pairs, 57 based on Foata normal form. 26/615 useless extension candidates. Maximal degree in co-relation 879. Up to 150 conditions per place. [2024-06-27 16:18:30,206 INFO L140 encePairwiseOnDemand]: 30/40 looper letters, 0 selfloop transitions, 0 changer transitions 87/87 dead transitions. [2024-06-27 16:18:30,206 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 87 transitions, 475 flow [2024-06-27 16:18:30,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-06-27 16:18:30,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-06-27 16:18:30,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 236 transitions. [2024-06-27 16:18:30,208 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.59 [2024-06-27 16:18:30,208 INFO L175 Difference]: Start difference. First operand has 58 places, 47 transitions, 202 flow. Second operand 10 states and 236 transitions. [2024-06-27 16:18:30,208 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 87 transitions, 475 flow [2024-06-27 16:18:30,215 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 87 transitions, 449 flow, removed 13 selfloop flow, removed 2 redundant places. [2024-06-27 16:18:30,216 INFO L231 Difference]: Finished difference. Result has 59 places, 0 transitions, 0 flow [2024-06-27 16:18:30,216 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=176, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=0, PETRI_PLACES=59, PETRI_TRANSITIONS=0} [2024-06-27 16:18:30,218 INFO L281 CegarLoopForPetriNet]: 39 programPoint places, 20 predicate places. [2024-06-27 16:18:30,218 INFO L495 AbstractCegarLoop]: Abstraction has has 59 places, 0 transitions, 0 flow [2024-06-27 16:18:30,218 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.833333333333332) internal successors, (113), 6 states have internal predecessors, (113), 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) [2024-06-27 16:18:30,220 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err0ASSERT_VIOLATIONERROR_FUNCTION (5 of 6 remaining) [2024-06-27 16:18:30,221 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (4 of 6 remaining) [2024-06-27 16:18:30,222 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 6 remaining) [2024-06-27 16:18:30,222 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 6 remaining) [2024-06-27 16:18:30,223 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 6 remaining) [2024-06-27 16:18:30,223 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 6 remaining) [2024-06-27 16:18:30,223 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-06-27 16:18:30,223 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1] [2024-06-27 16:18:30,228 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-06-27 16:18:30,229 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-06-27 16:18:30,232 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.06 04:18:30 BasicIcfg [2024-06-27 16:18:30,233 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-06-27 16:18:30,234 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-06-27 16:18:30,234 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-06-27 16:18:30,234 INFO L274 PluginConnector]: Witness Printer initialized [2024-06-27 16:18:30,234 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.06 04:18:28" (3/4) ... [2024-06-27 16:18:30,236 INFO L137 WitnessPrinter]: Generating witness for correct program [2024-06-27 16:18:30,238 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thr2 [2024-06-27 16:18:30,238 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thr1 [2024-06-27 16:18:30,240 INFO L896 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2024-06-27 16:18:30,241 INFO L896 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-06-27 16:18:30,241 INFO L896 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-06-27 16:18:30,241 INFO L896 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-06-27 16:18:30,294 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-06-27 16:18:30,295 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-06-27 16:18:30,295 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-06-27 16:18:30,295 INFO L158 Benchmark]: Toolchain (without parser) took 2218.39ms. Allocated memory was 153.1MB in the beginning and 199.2MB in the end (delta: 46.1MB). Free memory was 82.0MB in the beginning and 118.0MB in the end (delta: -36.0MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. [2024-06-27 16:18:30,296 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 153.1MB. Free memory is still 110.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-27 16:18:30,296 INFO L158 Benchmark]: CACSL2BoogieTranslator took 378.71ms. Allocated memory is still 153.1MB. Free memory was 81.9MB in the beginning and 108.8MB in the end (delta: -26.9MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. [2024-06-27 16:18:30,296 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.04ms. Allocated memory is still 153.1MB. Free memory was 108.1MB in the beginning and 106.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-06-27 16:18:30,296 INFO L158 Benchmark]: Boogie Preprocessor took 44.58ms. Allocated memory is still 153.1MB. Free memory was 106.8MB in the beginning and 104.6MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-06-27 16:18:30,297 INFO L158 Benchmark]: RCFGBuilder took 344.62ms. Allocated memory is still 153.1MB. Free memory was 104.6MB in the beginning and 87.9MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-06-27 16:18:30,297 INFO L158 Benchmark]: TraceAbstraction took 1330.76ms. Allocated memory was 153.1MB in the beginning and 199.2MB in the end (delta: 46.1MB). Free memory was 87.1MB in the beginning and 122.2MB in the end (delta: -35.1MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. [2024-06-27 16:18:30,297 INFO L158 Benchmark]: Witness Printer took 61.54ms. Allocated memory is still 199.2MB. Free memory was 121.2MB in the beginning and 118.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-06-27 16:18:30,299 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 153.1MB. Free memory is still 110.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 378.71ms. Allocated memory is still 153.1MB. Free memory was 81.9MB in the beginning and 108.8MB in the end (delta: -26.9MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.04ms. Allocated memory is still 153.1MB. Free memory was 108.1MB in the beginning and 106.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 44.58ms. Allocated memory is still 153.1MB. Free memory was 106.8MB in the beginning and 104.6MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 344.62ms. Allocated memory is still 153.1MB. Free memory was 104.6MB in the beginning and 87.9MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1330.76ms. Allocated memory was 153.1MB in the beginning and 199.2MB in the end (delta: 46.1MB). Free memory was 87.1MB in the beginning and 122.2MB in the end (delta: -35.1MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. * Witness Printer took 61.54ms. Allocated memory is still 199.2MB. Free memory was 121.2MB in the beginning and 118.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 753]: 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: 725]: 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, 67 locations, 6 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.3s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 134 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 109 mSDsluCounter, 75 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 50 mSDsCounter, 16 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 374 IncrementalHoareTripleChecker+Invalid, 390 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16 mSolverCounterUnsat, 25 mSDtfsCounter, 374 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=202occurred in iteration=3, InterpolantAutomatonStates: 26, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 58 NumberOfCodeBlocks, 58 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 54 ConstructedInterpolants, 0 QuantifiedInterpolants, 124 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-06-27 16:18:30,331 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