./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product17.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb277f4-2903-4cef-8cfb-8ea1b30ca446/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb277f4-2903-4cef-8cfb-8ea1b30ca446/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb277f4-2903-4cef-8cfb-8ea1b30ca446/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb277f4-2903-4cef-8cfb-8ea1b30ca446/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product17.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb277f4-2903-4cef-8cfb-8ea1b30ca446/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb277f4-2903-4cef-8cfb-8ea1b30ca446/bin/uautomizer-verify-LYvppIcaGC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8418cf7d163b352a410eb8e80d08e8b0a7ca24d6b01fdd4260cca3324a0a1c4f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 01:35:17,894 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 01:35:17,970 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb277f4-2903-4cef-8cfb-8ea1b30ca446/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-24 01:35:17,975 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 01:35:17,975 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 01:35:18,008 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 01:35:18,009 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 01:35:18,009 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 01:35:18,009 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 01:35:18,009 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 01:35:18,010 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 01:35:18,010 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 01:35:18,010 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 01:35:18,010 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-24 01:35:18,010 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-24 01:35:18,010 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-24 01:35:18,010 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-24 01:35:18,011 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-24 01:35:18,011 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-24 01:35:18,011 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 01:35:18,011 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-24 01:35:18,011 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 01:35:18,011 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 01:35:18,011 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 01:35:18,011 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 01:35:18,011 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-24 01:35:18,012 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-24 01:35:18,012 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-24 01:35:18,012 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-24 01:35:18,012 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 01:35:18,012 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 01:35:18,012 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-24 01:35:18,012 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 01:35:18,012 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 01:35:18,012 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 01:35:18,012 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:35:18,013 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 01:35:18,013 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-11-24 01:35:18,013 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-24 01:35:18,013 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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 -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb277f4-2903-4cef-8cfb-8ea1b30ca446/bin/uautomizer-verify-LYvppIcaGC 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(F end) ) 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 -> 8418cf7d163b352a410eb8e80d08e8b0a7ca24d6b01fdd4260cca3324a0a1c4f [2024-11-24 01:35:18,277 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 01:35:18,285 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 01:35:18,287 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 01:35:18,288 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 01:35:18,289 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 01:35:18,290 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb277f4-2903-4cef-8cfb-8ea1b30ca446/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/product-lines/minepump_spec2_product17.cil.c [2024-11-24 01:35:21,161 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb277f4-2903-4cef-8cfb-8ea1b30ca446/bin/uautomizer-verify-LYvppIcaGC/data/dbd68f898/2bde8759b8d2442e96b7c8edb89e61be/FLAG82c968846 [2024-11-24 01:35:21,616 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 01:35:21,616 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb277f4-2903-4cef-8cfb-8ea1b30ca446/sv-benchmarks/c/product-lines/minepump_spec2_product17.cil.c [2024-11-24 01:35:21,629 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb277f4-2903-4cef-8cfb-8ea1b30ca446/bin/uautomizer-verify-LYvppIcaGC/data/dbd68f898/2bde8759b8d2442e96b7c8edb89e61be/FLAG82c968846 [2024-11-24 01:35:21,645 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb277f4-2903-4cef-8cfb-8ea1b30ca446/bin/uautomizer-verify-LYvppIcaGC/data/dbd68f898/2bde8759b8d2442e96b7c8edb89e61be [2024-11-24 01:35:21,648 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 01:35:21,650 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 01:35:21,651 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 01:35:21,651 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 01:35:21,655 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 01:35:21,656 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:35:21" (1/1) ... [2024-11-24 01:35:21,657 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76c79c1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:35:21, skipping insertion in model container [2024-11-24 01:35:21,657 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:35:21" (1/1) ... [2024-11-24 01:35:21,697 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 01:35:21,999 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:35:22,011 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 01:35:22,019 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] [2024-11-24 01:35:22,020 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [145] [2024-11-24 01:35:22,021 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [212] [2024-11-24 01:35:22,021 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [369] [2024-11-24 01:35:22,021 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [407] [2024-11-24 01:35:22,021 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [416] [2024-11-24 01:35:22,021 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [782] [2024-11-24 01:35:22,021 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [821] [2024-11-24 01:35:22,075 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:35:22,101 INFO L204 MainTranslator]: Completed translation [2024-11-24 01:35:22,102 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:35:22 WrapperNode [2024-11-24 01:35:22,102 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 01:35:22,103 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 01:35:22,103 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 01:35:22,103 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 01:35:22,115 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:35:22" (1/1) ... [2024-11-24 01:35:22,132 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:35:22" (1/1) ... [2024-11-24 01:35:22,179 INFO L138 Inliner]: procedures = 53, calls = 95, calls flagged for inlining = 48, calls inlined = 51, statements flattened = 341 [2024-11-24 01:35:22,180 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 01:35:22,180 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 01:35:22,180 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 01:35:22,180 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 01:35:22,192 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:35:22" (1/1) ... [2024-11-24 01:35:22,193 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:35:22" (1/1) ... [2024-11-24 01:35:22,194 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:35:22" (1/1) ... [2024-11-24 01:35:22,214 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]. [2024-11-24 01:35:22,215 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:35:22" (1/1) ... [2024-11-24 01:35:22,215 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:35:22" (1/1) ... [2024-11-24 01:35:22,222 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:35:22" (1/1) ... [2024-11-24 01:35:22,226 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:35:22" (1/1) ... [2024-11-24 01:35:22,234 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:35:22" (1/1) ... [2024-11-24 01:35:22,235 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:35:22" (1/1) ... [2024-11-24 01:35:22,240 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:35:22" (1/1) ... [2024-11-24 01:35:22,242 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 01:35:22,246 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 01:35:22,247 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 01:35:22,247 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 01:35:22,247 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:35:22" (1/1) ... [2024-11-24 01:35:22,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 01:35:22,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb277f4-2903-4cef-8cfb-8ea1b30ca446/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:35:22,283 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb277f4-2903-4cef-8cfb-8ea1b30ca446/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 01:35:22,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb277f4-2903-4cef-8cfb-8ea1b30ca446/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-24 01:35:22,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 01:35:22,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 01:35:22,317 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 01:35:22,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 01:35:22,403 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 01:35:22,404 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 01:35:22,718 INFO L? ?]: Removed 70 outVars from TransFormulas that were not future-live. [2024-11-24 01:35:22,718 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 01:35:22,729 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 01:35:22,729 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-24 01:35:22,730 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:35:22 BoogieIcfgContainer [2024-11-24 01:35:22,730 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 01:35:22,731 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-24 01:35:22,731 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-24 01:35:22,737 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-24 01:35:22,738 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-24 01:35:22,738 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 24.11 01:35:21" (1/3) ... [2024-11-24 01:35:22,739 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@28531087 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 24.11 01:35:22, skipping insertion in model container [2024-11-24 01:35:22,739 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-24 01:35:22,740 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:35:22" (2/3) ... [2024-11-24 01:35:22,740 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@28531087 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 24.11 01:35:22, skipping insertion in model container [2024-11-24 01:35:22,740 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-24 01:35:22,740 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:35:22" (3/3) ... [2024-11-24 01:35:22,741 INFO L363 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product17.cil.c [2024-11-24 01:35:22,795 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-24 01:35:22,796 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-24 01:35:22,796 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-24 01:35:22,796 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-24 01:35:22,796 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-24 01:35:22,796 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-24 01:35:22,796 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-24 01:35:22,796 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-24 01:35:22,803 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 107 states, 106 states have (on average 1.3773584905660377) internal successors, (146), 106 states have internal predecessors, (146), 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) [2024-11-24 01:35:22,828 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 66 [2024-11-24 01:35:22,828 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-24 01:35:22,828 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-24 01:35:22,836 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:35:22,837 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:35:22,837 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-24 01:35:22,839 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 107 states, 106 states have (on average 1.3773584905660377) internal successors, (146), 106 states have internal predecessors, (146), 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) [2024-11-24 01:35:22,845 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 66 [2024-11-24 01:35:22,845 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-24 01:35:22,845 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-24 01:35:22,845 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:35:22,845 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:35:22,854 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret50#1, main_~retValue_acc~11#1, main_~tmp~7#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~7#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;havoc valid_product_~retValue_acc~7#1;valid_product_~retValue_acc~7#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~7#1;" "main_#t~ret50#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;assume { :end_inline_valid_product } true;main_~tmp~7#1 := main_#t~ret50#1;havoc main_#t~ret50#1;" "assume 0 != main_~tmp~7#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0;" "assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet9#1, test_#t~nondet10#1, test_#t~nondet11#1, test_#t~nondet12#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-11-24 01:35:22,854 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet9#1;test_~tmp~0#1 := test_#t~nondet9#1;havoc test_#t~nondet9#1;" "assume !(0 != test_~tmp~0#1);" "havoc test_#t~nondet10#1;test_~tmp___0~0#1 := test_#t~nondet10#1;havoc test_#t~nondet10#1;" "assume !(0 != test_~tmp___0~0#1);" "havoc test_#t~nondet11#1;test_~tmp___2~0#1 := test_#t~nondet11#1;havoc test_#t~nondet11#1;" "assume 0 != test_~tmp___2~0#1;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume !(0 != ~systemActive~0);" "assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret48#1, __utac_acc__Specification2_spec__2_#t~ret49#1, __utac_acc__Specification2_spec__2_~tmp~6#1, __utac_acc__Specification2_spec__2_~tmp___0~2#1;havoc __utac_acc__Specification2_spec__2_~tmp~6#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1;" "__utac_acc__Specification2_spec__2_#t~ret48#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~6#1 := __utac_acc__Specification2_spec__2_#t~ret48#1;havoc __utac_acc__Specification2_spec__2_#t~ret48#1;" "assume !(0 != __utac_acc__Specification2_spec__2_~tmp~6#1);~methAndRunningLastTime~0 := 0;" "havoc __utac_acc__Specification2_spec__2_#t~ret48#1, __utac_acc__Specification2_spec__2_#t~ret49#1, __utac_acc__Specification2_spec__2_~tmp~6#1, __utac_acc__Specification2_spec__2_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true;" "assume { :end_inline_timeShift } true;" [2024-11-24 01:35:22,859 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:35:22,861 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2024-11-24 01:35:22,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 01:35:22,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212578563] [2024-11-24 01:35:22,869 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:35:22,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:35:22,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:35:22,953 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 01:35:22,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:35:22,984 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 01:35:22,986 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:35:22,987 INFO L85 PathProgramCache]: Analyzing trace with hash -50904800, now seen corresponding path program 1 times [2024-11-24 01:35:22,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 01:35:22,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514550691] [2024-11-24 01:35:22,987 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:35:22,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:35:22,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:35:23,000 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 01:35:23,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:35:23,012 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 01:35:23,017 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:35:23,017 INFO L85 PathProgramCache]: Analyzing trace with hash -194687209, now seen corresponding path program 1 times [2024-11-24 01:35:23,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 01:35:23,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357305123] [2024-11-24 01:35:23,018 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:35:23,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:35:23,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:35:23,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-24 01:35:23,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357305123] [2024-11-24 01:35:23,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [357305123] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:35:23,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1459348528] [2024-11-24 01:35:23,317 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:35:23,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:35:23,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb277f4-2903-4cef-8cfb-8ea1b30ca446/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:35:23,324 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb277f4-2903-4cef-8cfb-8ea1b30ca446/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:35:23,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb277f4-2903-4cef-8cfb-8ea1b30ca446/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-24 01:35:23,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:35:23,434 INFO L256 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-24 01:35:23,437 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:35:23,536 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:35:23,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1459348528] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 01:35:23,602 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 01:35:23,603 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 2, 2] total 6 [2024-11-24 01:35:23,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721493979] [2024-11-24 01:35:23,604 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 01:35:23,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-24 01:35:23,733 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 01:35:23,734 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:35:23,737 INFO L87 Difference]: Start difference. First operand has 107 states, 106 states have (on average 1.3773584905660377) internal successors, (146), 106 states have internal predecessors, (146), 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) Second operand has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 6 states have internal predecessors, (41), 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) [2024-11-24 01:35:23,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:35:23,844 INFO L93 Difference]: Finished difference Result 101 states and 129 transitions. [2024-11-24 01:35:23,845 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 101 states and 129 transitions. [2024-11-24 01:35:23,851 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 60 [2024-11-24 01:35:23,861 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 101 states to 91 states and 119 transitions. [2024-11-24 01:35:23,862 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 91 [2024-11-24 01:35:23,865 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 91 [2024-11-24 01:35:23,866 INFO L73 IsDeterministic]: Start isDeterministic. Operand 91 states and 119 transitions. [2024-11-24 01:35:23,867 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-24 01:35:23,868 INFO L218 hiAutomatonCegarLoop]: Abstraction has 91 states and 119 transitions. [2024-11-24 01:35:23,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states and 119 transitions. [2024-11-24 01:35:23,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2024-11-24 01:35:23,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 91 states have (on average 1.3076923076923077) internal successors, (119), 90 states have internal predecessors, (119), 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) [2024-11-24 01:35:23,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 119 transitions. [2024-11-24 01:35:23,909 INFO L240 hiAutomatonCegarLoop]: Abstraction has 91 states and 119 transitions. [2024-11-24 01:35:23,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:35:23,913 INFO L425 stractBuchiCegarLoop]: Abstraction has 91 states and 119 transitions. [2024-11-24 01:35:23,915 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-24 01:35:23,915 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 91 states and 119 transitions. [2024-11-24 01:35:23,918 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 60 [2024-11-24 01:35:23,922 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-24 01:35:23,922 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-24 01:35:23,922 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:35:23,922 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:35:23,923 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret50#1, main_~retValue_acc~11#1, main_~tmp~7#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~7#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;havoc valid_product_~retValue_acc~7#1;valid_product_~retValue_acc~7#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~7#1;" "main_#t~ret50#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;assume { :end_inline_valid_product } true;main_~tmp~7#1 := main_#t~ret50#1;havoc main_#t~ret50#1;" "assume 0 != main_~tmp~7#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0;" "assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet9#1, test_#t~nondet10#1, test_#t~nondet11#1, test_#t~nondet12#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-11-24 01:35:23,923 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet9#1;test_~tmp~0#1 := test_#t~nondet9#1;havoc test_#t~nondet9#1;" "assume !(0 != test_~tmp~0#1);" "havoc test_#t~nondet10#1;test_~tmp___0~0#1 := test_#t~nondet10#1;havoc test_#t~nondet10#1;" "assume !(0 != test_~tmp___0~0#1);" "havoc test_#t~nondet11#1;test_~tmp___2~0#1 := test_#t~nondet11#1;havoc test_#t~nondet11#1;" "assume 0 != test_~tmp___2~0#1;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret13#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~tmp~1#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment_#t~ret13#1, processEnvironment_~tmp~1#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret48#1, __utac_acc__Specification2_spec__2_#t~ret49#1, __utac_acc__Specification2_spec__2_~tmp~6#1, __utac_acc__Specification2_spec__2_~tmp___0~2#1;havoc __utac_acc__Specification2_spec__2_~tmp~6#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1;" "__utac_acc__Specification2_spec__2_#t~ret48#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~6#1 := __utac_acc__Specification2_spec__2_#t~ret48#1;havoc __utac_acc__Specification2_spec__2_#t~ret48#1;" "assume !(0 != __utac_acc__Specification2_spec__2_~tmp~6#1);~methAndRunningLastTime~0 := 0;" "havoc __utac_acc__Specification2_spec__2_#t~ret48#1, __utac_acc__Specification2_spec__2_#t~ret49#1, __utac_acc__Specification2_spec__2_~tmp~6#1, __utac_acc__Specification2_spec__2_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true;" "assume { :end_inline_timeShift } true;" [2024-11-24 01:35:23,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:35:23,923 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2024-11-24 01:35:23,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 01:35:23,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322825137] [2024-11-24 01:35:23,924 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:35:23,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:35:23,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:35:23,941 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 01:35:23,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:35:23,958 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 01:35:23,961 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:35:23,961 INFO L85 PathProgramCache]: Analyzing trace with hash 316038455, now seen corresponding path program 1 times [2024-11-24 01:35:23,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 01:35:23,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865258842] [2024-11-24 01:35:23,964 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:35:23,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:35:23,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:35:23,972 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 01:35:23,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:35:23,985 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 01:35:23,985 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:35:23,986 INFO L85 PathProgramCache]: Analyzing trace with hash -1023313952, now seen corresponding path program 1 times [2024-11-24 01:35:23,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 01:35:23,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670506631] [2024-11-24 01:35:23,986 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:35:23,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:35:24,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:35:24,009 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 01:35:24,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:35:24,033 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 01:35:25,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:35:25,292 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 01:35:25,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:35:25,373 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 24.11 01:35:25 BoogieIcfgContainer [2024-11-24 01:35:25,374 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-24 01:35:25,375 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 01:35:25,375 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 01:35:25,375 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 01:35:25,376 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:35:22" (3/4) ... [2024-11-24 01:35:25,378 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-24 01:35:25,438 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb277f4-2903-4cef-8cfb-8ea1b30ca446/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-24 01:35:25,439 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 01:35:25,440 INFO L158 Benchmark]: Toolchain (without parser) took 3790.10ms. Allocated memory was 142.6MB in the beginning and 352.3MB in the end (delta: 209.7MB). Free memory was 102.9MB in the beginning and 297.6MB in the end (delta: -194.7MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. [2024-11-24 01:35:25,442 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 167.8MB. Free memory is still 103.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:35:25,442 INFO L158 Benchmark]: CACSL2BoogieTranslator took 451.39ms. Allocated memory is still 142.6MB. Free memory was 102.6MB in the beginning and 84.8MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 01:35:25,442 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.84ms. Allocated memory is still 142.6MB. Free memory was 84.8MB in the beginning and 82.4MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:35:25,443 INFO L158 Benchmark]: Boogie Preprocessor took 65.71ms. Allocated memory is still 142.6MB. Free memory was 82.4MB in the beginning and 80.1MB in the end (delta: 2.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 01:35:25,443 INFO L158 Benchmark]: RCFGBuilder took 483.55ms. Allocated memory is still 142.6MB. Free memory was 80.1MB in the beginning and 61.1MB in the end (delta: 19.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 01:35:25,444 INFO L158 Benchmark]: BuchiAutomizer took 2643.72ms. Allocated memory was 142.6MB in the beginning and 352.3MB in the end (delta: 209.7MB). Free memory was 60.8MB in the beginning and 300.7MB in the end (delta: -240.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:35:25,445 INFO L158 Benchmark]: Witness Printer took 63.80ms. Allocated memory is still 352.3MB. Free memory was 300.7MB in the beginning and 297.6MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:35:25,447 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 167.8MB. Free memory is still 103.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 451.39ms. Allocated memory is still 142.6MB. Free memory was 102.6MB in the beginning and 84.8MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.84ms. Allocated memory is still 142.6MB. Free memory was 84.8MB in the beginning and 82.4MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 65.71ms. Allocated memory is still 142.6MB. Free memory was 82.4MB in the beginning and 80.1MB in the end (delta: 2.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 483.55ms. Allocated memory is still 142.6MB. Free memory was 80.1MB in the beginning and 61.1MB in the end (delta: 19.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 2643.72ms. Allocated memory was 142.6MB in the beginning and 352.3MB in the end (delta: 209.7MB). Free memory was 60.8MB in the beginning and 300.7MB in the end (delta: -240.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 63.80ms. Allocated memory is still 352.3MB. Free memory was 300.7MB in the beginning and 297.6MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] - GenericResultAtLocation [Line: 145]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [145] - GenericResultAtLocation [Line: 212]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [212] - GenericResultAtLocation [Line: 369]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [369] - GenericResultAtLocation [Line: 407]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [407] - GenericResultAtLocation [Line: 416]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [416] - GenericResultAtLocation [Line: 782]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [782] - GenericResultAtLocation [Line: 821]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [821] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 7 locations. The remainder module has 91 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 354 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 354 mSDsluCounter, 367 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 243 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 18 IncrementalHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 124 mSDtfsCounter, 18 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 160]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L57] int waterLevel = 1; [L58] int methaneLevelCritical = 0; [L217] int pumpRunning = 0; [L218] int systemActive = 1; [L586] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L783] int methAndRunningLastTime ; [L822] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L896] int retValue_acc ; [L897] int tmp ; [L901] FCALL select_helpers() [L902] FCALL select_features() [L903] CALL, EXPR valid_product() [L399] int retValue_acc ; [L402] retValue_acc = 1 [L403] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L903] RET, EXPR valid_product() [L903] tmp = valid_product() [L905] COND TRUE \read(tmp) [L907] FCALL setup() [L908] CALL runTest() [L889] CALL __utac_acc__Specification2_spec__1() [L788] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L889] RET __utac_acc__Specification2_spec__1() [L890] CALL test() [L149] int splverifierCounter ; [L150] int tmp ; [L151] int tmp___0 ; [L152] int tmp___1 ; [L153] int tmp___2 ; [L156] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L160] COND TRUE splverifierCounter < 4 [L166] tmp = __VERIFIER_nondet_int() [L168] COND FALSE !(\read(tmp)) [L176] tmp___0 = __VERIFIER_nondet_int() [L178] COND FALSE !(\read(tmp___0)) [L186] tmp___2 = __VERIFIER_nondet_int() [L188] COND TRUE \read(tmp___2) [L201] CALL timeShift() [L225] COND FALSE !(\read(pumpRunning)) [L232] COND TRUE \read(systemActive) [L234] CALL processEnvironment() [L254] int tmp ; [L257] COND FALSE !(\read(pumpRunning)) [L272] FCALL processEnvironment__wrappee__base() [L234] RET processEnvironment() [L240] CALL __utac_acc__Specification2_spec__2() [L793] int tmp ; [L794] int tmp___0 ; [L798] CALL, EXPR isMethaneLevelCritical() [L96] int retValue_acc ; [L99] retValue_acc = methaneLevelCritical [L100] return (retValue_acc); [L798] RET, EXPR isMethaneLevelCritical() [L798] tmp = isMethaneLevelCritical() [L800] COND FALSE !(\read(tmp)) [L816] methAndRunningLastTime = 0 [L240] RET __utac_acc__Specification2_spec__2() [L201] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 160]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L57] int waterLevel = 1; [L58] int methaneLevelCritical = 0; [L217] int pumpRunning = 0; [L218] int systemActive = 1; [L586] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L783] int methAndRunningLastTime ; [L822] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L896] int retValue_acc ; [L897] int tmp ; [L901] FCALL select_helpers() [L902] FCALL select_features() [L903] CALL, EXPR valid_product() [L399] int retValue_acc ; [L402] retValue_acc = 1 [L403] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L903] RET, EXPR valid_product() [L903] tmp = valid_product() [L905] COND TRUE \read(tmp) [L907] FCALL setup() [L908] CALL runTest() [L889] CALL __utac_acc__Specification2_spec__1() [L788] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L889] RET __utac_acc__Specification2_spec__1() [L890] CALL test() [L149] int splverifierCounter ; [L150] int tmp ; [L151] int tmp___0 ; [L152] int tmp___1 ; [L153] int tmp___2 ; [L156] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L160] COND TRUE splverifierCounter < 4 [L166] tmp = __VERIFIER_nondet_int() [L168] COND FALSE !(\read(tmp)) [L176] tmp___0 = __VERIFIER_nondet_int() [L178] COND FALSE !(\read(tmp___0)) [L186] tmp___2 = __VERIFIER_nondet_int() [L188] COND TRUE \read(tmp___2) [L201] CALL timeShift() [L225] COND FALSE !(\read(pumpRunning)) [L232] COND TRUE \read(systemActive) [L234] CALL processEnvironment() [L254] int tmp ; [L257] COND FALSE !(\read(pumpRunning)) [L272] FCALL processEnvironment__wrappee__base() [L234] RET processEnvironment() [L240] CALL __utac_acc__Specification2_spec__2() [L793] int tmp ; [L794] int tmp___0 ; [L798] CALL, EXPR isMethaneLevelCritical() [L96] int retValue_acc ; [L99] retValue_acc = methaneLevelCritical [L100] return (retValue_acc); [L798] RET, EXPR isMethaneLevelCritical() [L798] tmp = isMethaneLevelCritical() [L800] COND FALSE !(\read(tmp)) [L816] methAndRunningLastTime = 0 [L240] RET __utac_acc__Specification2_spec__2() [L201] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-24 01:35:25,467 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb277f4-2903-4cef-8cfb-8ea1b30ca446/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-24 01:35:25,663 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb277f4-2903-4cef-8cfb-8ea1b30ca446/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)