./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product43.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408290b2-b6e8-49fc-9d6c-e52ee9c2d30e/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408290b2-b6e8-49fc-9d6c-e52ee9c2d30e/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408290b2-b6e8-49fc-9d6c-e52ee9c2d30e/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408290b2-b6e8-49fc-9d6c-e52ee9c2d30e/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product43.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408290b2-b6e8-49fc-9d6c-e52ee9c2d30e/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408290b2-b6e8-49fc-9d6c-e52ee9c2d30e/bin/uautomizer-verify-84ZbGMXZE1 --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 b1639abd1442c0be189a21b610783cf9fd230aa6a3ef085b8b036961bd01ca7b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 10:24:04,954 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 10:24:05,007 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408290b2-b6e8-49fc-9d6c-e52ee9c2d30e/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-12-02 10:24:05,011 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 10:24:05,011 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 10:24:05,031 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 10:24:05,032 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 10:24:05,032 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 10:24:05,032 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 10:24:05,032 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 10:24:05,033 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 10:24:05,033 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 10:24:05,033 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 10:24:05,033 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-12-02 10:24:05,033 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-12-02 10:24:05,033 INFO L153 SettingsManager]: * Use old map elimination=false [2024-12-02 10:24:05,033 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-12-02 10:24:05,033 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-12-02 10:24:05,033 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-12-02 10:24:05,034 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 10:24:05,034 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-12-02 10:24:05,034 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 10:24:05,034 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 10:24:05,034 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 10:24:05,034 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 10:24:05,034 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-12-02 10:24:05,034 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-12-02 10:24:05,034 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-12-02 10:24:05,035 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-02 10:24:05,035 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 10:24:05,035 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 10:24:05,035 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-12-02 10:24:05,035 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 10:24:05,035 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 10:24:05,035 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 10:24:05,035 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 10:24:05,035 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 10:24:05,036 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-12-02 10:24:05,036 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-12-02 10:24:05,036 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_408290b2-b6e8-49fc-9d6c-e52ee9c2d30e/bin/uautomizer-verify-84ZbGMXZE1 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 -> b1639abd1442c0be189a21b610783cf9fd230aa6a3ef085b8b036961bd01ca7b [2024-12-02 10:24:05,236 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 10:24:05,243 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 10:24:05,245 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 10:24:05,247 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 10:24:05,247 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 10:24:05,248 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408290b2-b6e8-49fc-9d6c-e52ee9c2d30e/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/product-lines/minepump_spec3_product43.cil.c [2024-12-02 10:24:07,797 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408290b2-b6e8-49fc-9d6c-e52ee9c2d30e/bin/uautomizer-verify-84ZbGMXZE1/data/ed46f6e9d/206aab70f4a6402b8db8982b7260d234/FLAG9a942a9db [2024-12-02 10:24:08,024 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 10:24:08,025 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408290b2-b6e8-49fc-9d6c-e52ee9c2d30e/sv-benchmarks/c/product-lines/minepump_spec3_product43.cil.c [2024-12-02 10:24:08,033 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408290b2-b6e8-49fc-9d6c-e52ee9c2d30e/bin/uautomizer-verify-84ZbGMXZE1/data/ed46f6e9d/206aab70f4a6402b8db8982b7260d234/FLAG9a942a9db [2024-12-02 10:24:08,357 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408290b2-b6e8-49fc-9d6c-e52ee9c2d30e/bin/uautomizer-verify-84ZbGMXZE1/data/ed46f6e9d/206aab70f4a6402b8db8982b7260d234 [2024-12-02 10:24:08,359 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 10:24:08,360 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 10:24:08,360 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 10:24:08,360 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 10:24:08,363 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 10:24:08,364 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:24:08" (1/1) ... [2024-12-02 10:24:08,365 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f2ca17f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:24:08, skipping insertion in model container [2024-12-02 10:24:08,365 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:24:08" (1/1) ... [2024-12-02 10:24:08,388 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 10:24:08,605 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 10:24:08,616 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 10:24:08,624 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49] [2024-12-02 10:24:08,625 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [153] [2024-12-02 10:24:08,625 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [162] [2024-12-02 10:24:08,625 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [199] [2024-12-02 10:24:08,625 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [565] [2024-12-02 10:24:08,625 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [600] [2024-12-02 10:24:08,625 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [791] [2024-12-02 10:24:08,626 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [858] [2024-12-02 10:24:08,668 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 10:24:08,685 INFO L204 MainTranslator]: Completed translation [2024-12-02 10:24:08,685 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:24:08 WrapperNode [2024-12-02 10:24:08,686 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 10:24:08,686 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 10:24:08,686 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 10:24:08,687 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 10:24:08,693 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:24:08" (1/1) ... [2024-12-02 10:24:08,703 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:24:08" (1/1) ... [2024-12-02 10:24:08,728 INFO L138 Inliner]: procedures = 54, calls = 99, calls flagged for inlining = 52, calls inlined = 64, statements flattened = 440 [2024-12-02 10:24:08,728 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 10:24:08,729 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 10:24:08,729 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 10:24:08,729 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 10:24:08,738 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:24:08" (1/1) ... [2024-12-02 10:24:08,738 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:24:08" (1/1) ... [2024-12-02 10:24:08,740 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:24:08" (1/1) ... [2024-12-02 10:24:08,753 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]. [2024-12-02 10:24:08,753 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:24:08" (1/1) ... [2024-12-02 10:24:08,753 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:24:08" (1/1) ... [2024-12-02 10:24:08,759 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:24:08" (1/1) ... [2024-12-02 10:24:08,760 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:24:08" (1/1) ... [2024-12-02 10:24:08,765 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:24:08" (1/1) ... [2024-12-02 10:24:08,766 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:24:08" (1/1) ... [2024-12-02 10:24:08,767 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:24:08" (1/1) ... [2024-12-02 10:24:08,769 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 10:24:08,770 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 10:24:08,770 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 10:24:08,770 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 10:24:08,771 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:24:08" (1/1) ... [2024-12-02 10:24:08,776 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 10:24:08,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408290b2-b6e8-49fc-9d6c-e52ee9c2d30e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:24:08,798 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408290b2-b6e8-49fc-9d6c-e52ee9c2d30e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 10:24:08,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408290b2-b6e8-49fc-9d6c-e52ee9c2d30e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-12-02 10:24:08,825 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 10:24:08,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 10:24:08,825 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 10:24:08,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 10:24:08,882 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 10:24:08,883 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 10:24:09,155 INFO L? ?]: Removed 103 outVars from TransFormulas that were not future-live. [2024-12-02 10:24:09,155 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 10:24:09,166 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 10:24:09,166 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-12-02 10:24:09,166 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:24:09 BoogieIcfgContainer [2024-12-02 10:24:09,166 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 10:24:09,167 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-12-02 10:24:09,167 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-12-02 10:24:09,171 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-12-02 10:24:09,172 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-12-02 10:24:09,172 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.12 10:24:08" (1/3) ... [2024-12-02 10:24:09,173 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@657ecf9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.12 10:24:09, skipping insertion in model container [2024-12-02 10:24:09,173 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-12-02 10:24:09,173 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:24:08" (2/3) ... [2024-12-02 10:24:09,173 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@657ecf9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.12 10:24:09, skipping insertion in model container [2024-12-02 10:24:09,173 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-12-02 10:24:09,173 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:24:09" (3/3) ... [2024-12-02 10:24:09,174 INFO L363 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product43.cil.c [2024-12-02 10:24:09,219 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-12-02 10:24:09,220 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-12-02 10:24:09,220 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-12-02 10:24:09,220 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-12-02 10:24:09,220 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-12-02 10:24:09,220 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-12-02 10:24:09,220 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-12-02 10:24:09,220 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-12-02 10:24:09,225 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 128 states, 127 states have (on average 1.3700787401574803) internal successors, (174), 127 states have internal predecessors, (174), 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) [2024-12-02 10:24:09,244 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 82 [2024-12-02 10:24:09,244 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-02 10:24:09,244 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-02 10:24:09,248 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:24:09,248 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:24:09,248 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-12-02 10:24:09,249 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 128 states, 127 states have (on average 1.3700787401574803) internal successors, (174), 127 states have internal predecessors, (174), 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) [2024-12-02 10:24:09,252 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 82 [2024-12-02 10:24:09,253 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-02 10:24:09,253 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-02 10:24:09,253 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:24:09,253 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:24:09,256 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);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#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~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1;" "main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1;" "assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet44#1, test_#t~nondet45#1, test_#t~nondet46#1, test_#t~nondet47#1, test_~splverifierCounter~0#1, test_~tmp~8#1, test_~tmp___0~2#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~8#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-12-02 10:24:09,257 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet44#1;test_~tmp~8#1 := test_#t~nondet44#1;havoc test_#t~nondet44#1;" "assume !(0 != test_~tmp~8#1);" "havoc test_#t~nondet45#1;test_~tmp___0~2#1 := test_#t~nondet45#1;havoc test_#t~nondet45#1;" "assume !(0 != test_~tmp___0~2#1);" "havoc test_#t~nondet46#1;test_~tmp___2~0#1 := test_#t~nondet46#1;havoc test_#t~nondet46#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__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_#t~ret7#1, __utac_acc__Specification3_spec__1_~tmp~1#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~1#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;isMethaneLevelCritical_~retValue_acc~9#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~9#1;" "__utac_acc__Specification3_spec__1_#t~ret5#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~1#1 := __utac_acc__Specification3_spec__1_#t~ret5#1;havoc __utac_acc__Specification3_spec__1_#t~ret5#1;" "assume 0 != __utac_acc__Specification3_spec__1_~tmp~1#1;" "havoc __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_#t~ret7#1, __utac_acc__Specification3_spec__1_~tmp~1#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2024-12-02 10:24:09,260 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:24:09,260 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2024-12-02 10:24:09,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 10:24:09,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85474630] [2024-12-02 10:24:09,266 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:24:09,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:24:09,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 10:24:09,345 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 10:24:09,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 10:24:09,371 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 10:24:09,374 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:24:09,374 INFO L85 PathProgramCache]: Analyzing trace with hash 252791880, now seen corresponding path program 1 times [2024-12-02 10:24:09,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 10:24:09,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479225483] [2024-12-02 10:24:09,374 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:24:09,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:24:09,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 10:24:09,382 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 10:24:09,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 10:24:09,389 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 10:24:09,390 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:24:09,390 INFO L85 PathProgramCache]: Analyzing trace with hash 296515076, now seen corresponding path program 1 times [2024-12-02 10:24:09,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 10:24:09,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621702855] [2024-12-02 10:24:09,390 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:24:09,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:24:09,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:24:09,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-12-02 10:24:09,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1621702855] [2024-12-02 10:24:09,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1621702855] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 10:24:09,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [583707672] [2024-12-02 10:24:09,554 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:24:09,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:24:09,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408290b2-b6e8-49fc-9d6c-e52ee9c2d30e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:24:09,557 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408290b2-b6e8-49fc-9d6c-e52ee9c2d30e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 10:24:09,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408290b2-b6e8-49fc-9d6c-e52ee9c2d30e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 10:24:09,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:24:09,624 INFO L256 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 10:24:09,626 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:24:09,679 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 10:24:09,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [583707672] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 10:24:09,714 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 10:24:09,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 2, 2] total 6 [2024-12-02 10:24:09,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062775548] [2024-12-02 10:24:09,715 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 10:24:09,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-12-02 10:24:09,796 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 10:24:09,797 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-12-02 10:24:09,799 INFO L87 Difference]: Start difference. First operand has 128 states, 127 states have (on average 1.3700787401574803) internal successors, (174), 127 states have internal predecessors, (174), 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 5.571428571428571) internal successors, (39), 6 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 10:24:09,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:24:09,913 INFO L93 Difference]: Finished difference Result 305 states and 398 transitions. [2024-12-02 10:24:09,915 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 305 states and 398 transitions. [2024-12-02 10:24:09,920 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 193 [2024-12-02 10:24:09,926 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 305 states to 275 states and 368 transitions. [2024-12-02 10:24:09,927 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 275 [2024-12-02 10:24:09,928 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 275 [2024-12-02 10:24:09,929 INFO L73 IsDeterministic]: Start isDeterministic. Operand 275 states and 368 transitions. [2024-12-02 10:24:09,930 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-12-02 10:24:09,930 INFO L218 hiAutomatonCegarLoop]: Abstraction has 275 states and 368 transitions. [2024-12-02 10:24:09,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states and 368 transitions. [2024-12-02 10:24:09,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 168. [2024-12-02 10:24:09,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 168 states have (on average 1.3392857142857142) internal successors, (225), 167 states have internal predecessors, (225), 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) [2024-12-02 10:24:09,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 225 transitions. [2024-12-02 10:24:09,961 INFO L240 hiAutomatonCegarLoop]: Abstraction has 168 states and 225 transitions. [2024-12-02 10:24:09,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 10:24:09,965 INFO L425 stractBuchiCegarLoop]: Abstraction has 168 states and 225 transitions. [2024-12-02 10:24:09,965 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-12-02 10:24:09,965 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 168 states and 225 transitions. [2024-12-02 10:24:09,967 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 118 [2024-12-02 10:24:09,967 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-02 10:24:09,967 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-02 10:24:09,968 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:24:09,968 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:24:09,968 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);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#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~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1;" "main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1;" "assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet44#1, test_#t~nondet45#1, test_#t~nondet46#1, test_#t~nondet47#1, test_~splverifierCounter~0#1, test_~tmp~8#1, test_~tmp___0~2#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~8#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-12-02 10:24:09,968 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet44#1;test_~tmp~8#1 := test_#t~nondet44#1;havoc test_#t~nondet44#1;" "assume !(0 != test_~tmp~8#1);" "havoc test_#t~nondet45#1;test_~tmp___0~2#1 := test_#t~nondet45#1;havoc test_#t~nondet45#1;" "assume !(0 != test_~tmp___0~2#1);" "havoc test_#t~nondet46#1;test_~tmp___2~0#1 := test_#t~nondet46#1;havoc test_#t~nondet46#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~ret32#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1;" "assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment_#t~ret32#1, processEnvironment_~tmp~5#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_#t~ret7#1, __utac_acc__Specification3_spec__1_~tmp~1#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~1#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;isMethaneLevelCritical_~retValue_acc~9#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~9#1;" "__utac_acc__Specification3_spec__1_#t~ret5#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~1#1 := __utac_acc__Specification3_spec__1_#t~ret5#1;havoc __utac_acc__Specification3_spec__1_#t~ret5#1;" "assume 0 != __utac_acc__Specification3_spec__1_~tmp~1#1;" "havoc __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_#t~ret7#1, __utac_acc__Specification3_spec__1_~tmp~1#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2024-12-02 10:24:09,969 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:24:09,969 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2024-12-02 10:24:09,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 10:24:09,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315076746] [2024-12-02 10:24:09,969 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:24:09,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:24:09,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 10:24:09,978 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 10:24:09,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 10:24:09,985 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 10:24:09,986 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:24:09,986 INFO L85 PathProgramCache]: Analyzing trace with hash -461412820, now seen corresponding path program 1 times [2024-12-02 10:24:09,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 10:24:09,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309769230] [2024-12-02 10:24:09,986 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:24:09,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:24:09,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:24:10,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-12-02 10:24:10,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309769230] [2024-12-02 10:24:10,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [309769230] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 10:24:10,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [882337260] [2024-12-02 10:24:10,006 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:24:10,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:24:10,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408290b2-b6e8-49fc-9d6c-e52ee9c2d30e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:24:10,008 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408290b2-b6e8-49fc-9d6c-e52ee9c2d30e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 10:24:10,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408290b2-b6e8-49fc-9d6c-e52ee9c2d30e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 10:24:10,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:24:10,046 INFO L256 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 10:24:10,047 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:24:10,054 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 10:24:10,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [882337260] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 10:24:10,062 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 10:24:10,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 3 [2024-12-02 10:24:10,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400058870] [2024-12-02 10:24:10,062 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 10:24:10,062 INFO L764 eck$LassoCheckResult]: loop already infeasible [2024-12-02 10:24:10,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-12-02 10:24:10,063 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:24:10,063 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:24:10,063 INFO L87 Difference]: Start difference. First operand 168 states and 225 transitions. cyclomatic complexity: 60 Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2024-12-02 10:24:10,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:24:10,114 INFO L93 Difference]: Finished difference Result 222 states and 286 transitions. [2024-12-02 10:24:10,114 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 222 states and 286 transitions. [2024-12-02 10:24:10,116 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 159 [2024-12-02 10:24:10,117 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 222 states to 222 states and 286 transitions. [2024-12-02 10:24:10,118 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 222 [2024-12-02 10:24:10,118 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 222 [2024-12-02 10:24:10,118 INFO L73 IsDeterministic]: Start isDeterministic. Operand 222 states and 286 transitions. [2024-12-02 10:24:10,119 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-12-02 10:24:10,119 INFO L218 hiAutomatonCegarLoop]: Abstraction has 222 states and 286 transitions. [2024-12-02 10:24:10,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states and 286 transitions. [2024-12-02 10:24:10,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 222. [2024-12-02 10:24:10,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 222 states have (on average 1.2882882882882882) internal successors, (286), 221 states have internal predecessors, (286), 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) [2024-12-02 10:24:10,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 286 transitions. [2024-12-02 10:24:10,127 INFO L240 hiAutomatonCegarLoop]: Abstraction has 222 states and 286 transitions. [2024-12-02 10:24:10,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:24:10,128 INFO L425 stractBuchiCegarLoop]: Abstraction has 222 states and 286 transitions. [2024-12-02 10:24:10,128 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-12-02 10:24:10,128 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 222 states and 286 transitions. [2024-12-02 10:24:10,130 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 159 [2024-12-02 10:24:10,130 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-02 10:24:10,130 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-02 10:24:10,131 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:24:10,131 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:24:10,131 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);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#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~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1;" "main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1;" "assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet44#1, test_#t~nondet45#1, test_#t~nondet46#1, test_#t~nondet47#1, test_~splverifierCounter~0#1, test_~tmp~8#1, test_~tmp___0~2#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~8#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-12-02 10:24:10,131 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet44#1;test_~tmp~8#1 := test_#t~nondet44#1;havoc test_#t~nondet44#1;" "assume !(0 != test_~tmp~8#1);" "havoc test_#t~nondet45#1;test_~tmp___0~2#1 := test_#t~nondet45#1;havoc test_#t~nondet45#1;" "assume !(0 != test_~tmp___0~2#1);" "havoc test_#t~nondet46#1;test_~tmp___2~0#1 := test_#t~nondet46#1;havoc test_#t~nondet46#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~ret32#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1;" "assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret43#1, isHighWaterLevel_~retValue_acc~8#1, isHighWaterLevel_~tmp~7#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~8#1;havoc isHighWaterLevel_~tmp~7#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~11#1;havoc isHighWaterSensorDry_~retValue_acc~11#1;" "assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~11#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~11#1;" "isHighWaterLevel_#t~ret43#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~11#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~7#1 := isHighWaterLevel_#t~ret43#1;havoc isHighWaterLevel_#t~ret43#1;" "assume !(0 != isHighWaterLevel_~tmp~7#1);isHighWaterLevel_~tmp___0~1#1 := 1;" "isHighWaterLevel_~retValue_acc~8#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~8#1;" "processEnvironment_#t~ret32#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret43#1, isHighWaterLevel_~retValue_acc~8#1, isHighWaterLevel_~tmp~7#1, isHighWaterLevel_~tmp___0~1#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment_~tmp~5#1 := processEnvironment_#t~ret32#1;havoc processEnvironment_#t~ret32#1;" "assume !(0 != processEnvironment_~tmp~5#1);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment_#t~ret32#1, processEnvironment_~tmp~5#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_#t~ret7#1, __utac_acc__Specification3_spec__1_~tmp~1#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~1#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;isMethaneLevelCritical_~retValue_acc~9#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~9#1;" "__utac_acc__Specification3_spec__1_#t~ret5#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~1#1 := __utac_acc__Specification3_spec__1_#t~ret5#1;havoc __utac_acc__Specification3_spec__1_#t~ret5#1;" "assume 0 != __utac_acc__Specification3_spec__1_~tmp~1#1;" "havoc __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_#t~ret7#1, __utac_acc__Specification3_spec__1_~tmp~1#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2024-12-02 10:24:10,131 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:24:10,131 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2024-12-02 10:24:10,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 10:24:10,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556382833] [2024-12-02 10:24:10,132 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:24:10,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:24:10,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 10:24:10,139 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 10:24:10,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 10:24:10,146 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 10:24:10,146 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:24:10,146 INFO L85 PathProgramCache]: Analyzing trace with hash -197338986, now seen corresponding path program 1 times [2024-12-02 10:24:10,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 10:24:10,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493859157] [2024-12-02 10:24:10,147 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:24:10,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:24:10,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:24:10,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-12-02 10:24:10,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493859157] [2024-12-02 10:24:10,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [493859157] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 10:24:10,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2118491787] [2024-12-02 10:24:10,193 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:24:10,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:24:10,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408290b2-b6e8-49fc-9d6c-e52ee9c2d30e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:24:10,196 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408290b2-b6e8-49fc-9d6c-e52ee9c2d30e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 10:24:10,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408290b2-b6e8-49fc-9d6c-e52ee9c2d30e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 10:24:10,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:24:10,239 INFO L256 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 10:24:10,240 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:24:10,258 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 10:24:10,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2118491787] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 10:24:10,274 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 10:24:10,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2024-12-02 10:24:10,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276266556] [2024-12-02 10:24:10,274 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 10:24:10,274 INFO L764 eck$LassoCheckResult]: loop already infeasible [2024-12-02 10:24:10,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-12-02 10:24:10,275 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 10:24:10,275 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 10:24:10,275 INFO L87 Difference]: Start difference. First operand 222 states and 286 transitions. cyclomatic complexity: 67 Second operand has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 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) [2024-12-02 10:24:10,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:24:10,324 INFO L93 Difference]: Finished difference Result 228 states and 292 transitions. [2024-12-02 10:24:10,324 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 228 states and 292 transitions. [2024-12-02 10:24:10,326 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 163 [2024-12-02 10:24:10,327 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 228 states to 228 states and 292 transitions. [2024-12-02 10:24:10,327 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 228 [2024-12-02 10:24:10,327 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 228 [2024-12-02 10:24:10,327 INFO L73 IsDeterministic]: Start isDeterministic. Operand 228 states and 292 transitions. [2024-12-02 10:24:10,328 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-12-02 10:24:10,328 INFO L218 hiAutomatonCegarLoop]: Abstraction has 228 states and 292 transitions. [2024-12-02 10:24:10,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states and 292 transitions. [2024-12-02 10:24:10,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 228. [2024-12-02 10:24:10,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 228 states have (on average 1.280701754385965) internal successors, (292), 227 states have internal predecessors, (292), 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) [2024-12-02 10:24:10,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 292 transitions. [2024-12-02 10:24:10,336 INFO L240 hiAutomatonCegarLoop]: Abstraction has 228 states and 292 transitions. [2024-12-02 10:24:10,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 10:24:10,338 INFO L425 stractBuchiCegarLoop]: Abstraction has 228 states and 292 transitions. [2024-12-02 10:24:10,338 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-12-02 10:24:10,338 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 228 states and 292 transitions. [2024-12-02 10:24:10,339 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 163 [2024-12-02 10:24:10,339 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-02 10:24:10,340 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-02 10:24:10,340 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:24:10,340 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:24:10,340 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);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#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~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1;" "main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1;" "assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet44#1, test_#t~nondet45#1, test_#t~nondet46#1, test_#t~nondet47#1, test_~splverifierCounter~0#1, test_~tmp~8#1, test_~tmp___0~2#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~8#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-12-02 10:24:10,340 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet44#1;test_~tmp~8#1 := test_#t~nondet44#1;havoc test_#t~nondet44#1;" "assume !(0 != test_~tmp~8#1);" "havoc test_#t~nondet45#1;test_~tmp___0~2#1 := test_#t~nondet45#1;havoc test_#t~nondet45#1;" "assume !(0 != test_~tmp___0~2#1);" "havoc test_#t~nondet46#1;test_~tmp___2~0#1 := test_#t~nondet46#1;havoc test_#t~nondet46#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~ret32#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1;" "assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret43#1, isHighWaterLevel_~retValue_acc~8#1, isHighWaterLevel_~tmp~7#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~8#1;havoc isHighWaterLevel_~tmp~7#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~11#1;havoc isHighWaterSensorDry_~retValue_acc~11#1;" "assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~11#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~11#1;" "isHighWaterLevel_#t~ret43#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~11#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~7#1 := isHighWaterLevel_#t~ret43#1;havoc isHighWaterLevel_#t~ret43#1;" "assume 0 != isHighWaterLevel_~tmp~7#1;isHighWaterLevel_~tmp___0~1#1 := 0;" "isHighWaterLevel_~retValue_acc~8#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~8#1;" "processEnvironment_#t~ret32#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret43#1, isHighWaterLevel_~retValue_acc~8#1, isHighWaterLevel_~tmp~7#1, isHighWaterLevel_~tmp___0~1#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment_~tmp~5#1 := processEnvironment_#t~ret32#1;havoc processEnvironment_#t~ret32#1;" "assume !(0 != processEnvironment_~tmp~5#1);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment_#t~ret32#1, processEnvironment_~tmp~5#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_#t~ret7#1, __utac_acc__Specification3_spec__1_~tmp~1#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~1#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;isMethaneLevelCritical_~retValue_acc~9#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~9#1;" "__utac_acc__Specification3_spec__1_#t~ret5#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~1#1 := __utac_acc__Specification3_spec__1_#t~ret5#1;havoc __utac_acc__Specification3_spec__1_#t~ret5#1;" "assume 0 != __utac_acc__Specification3_spec__1_~tmp~1#1;" "havoc __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_#t~ret7#1, __utac_acc__Specification3_spec__1_~tmp~1#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2024-12-02 10:24:10,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:24:10,341 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 4 times [2024-12-02 10:24:10,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 10:24:10,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146265843] [2024-12-02 10:24:10,341 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:24:10,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:24:10,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 10:24:10,348 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 10:24:10,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 10:24:10,355 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 10:24:10,355 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:24:10,355 INFO L85 PathProgramCache]: Analyzing trace with hash -898403564, now seen corresponding path program 1 times [2024-12-02 10:24:10,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 10:24:10,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577205253] [2024-12-02 10:24:10,356 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:24:10,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:24:10,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 10:24:10,362 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 10:24:10,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 10:24:10,369 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 10:24:10,369 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:24:10,370 INFO L85 PathProgramCache]: Analyzing trace with hash -1354400552, now seen corresponding path program 1 times [2024-12-02 10:24:10,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 10:24:10,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606817817] [2024-12-02 10:24:10,370 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:24:10,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:24:10,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:24:10,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-12-02 10:24:10,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606817817] [2024-12-02 10:24:10,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [606817817] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 10:24:10,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [220897509] [2024-12-02 10:24:10,468 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:24:10,468 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:24:10,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408290b2-b6e8-49fc-9d6c-e52ee9c2d30e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:24:10,470 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408290b2-b6e8-49fc-9d6c-e52ee9c2d30e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 10:24:10,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408290b2-b6e8-49fc-9d6c-e52ee9c2d30e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-02 10:24:10,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:24:10,530 INFO L256 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-02 10:24:10,531 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:24:10,581 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 10:24:10,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [220897509] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 10:24:10,626 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 10:24:10,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 4 [2024-12-02 10:24:10,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863515967] [2024-12-02 10:24:10,626 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 10:24:10,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-12-02 10:24:10,731 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 10:24:10,731 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 10:24:10,731 INFO L87 Difference]: Start difference. First operand 228 states and 292 transitions. cyclomatic complexity: 67 Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 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) [2024-12-02 10:24:10,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:24:10,803 INFO L93 Difference]: Finished difference Result 449 states and 565 transitions. [2024-12-02 10:24:10,803 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 449 states and 565 transitions. [2024-12-02 10:24:10,805 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 326 [2024-12-02 10:24:10,807 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 449 states to 449 states and 565 transitions. [2024-12-02 10:24:10,807 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 449 [2024-12-02 10:24:10,807 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 449 [2024-12-02 10:24:10,807 INFO L73 IsDeterministic]: Start isDeterministic. Operand 449 states and 565 transitions. [2024-12-02 10:24:10,808 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-12-02 10:24:10,808 INFO L218 hiAutomatonCegarLoop]: Abstraction has 449 states and 565 transitions. [2024-12-02 10:24:10,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states and 565 transitions. [2024-12-02 10:24:10,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 449. [2024-12-02 10:24:10,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 449 states, 449 states have (on average 1.2583518930957684) internal successors, (565), 448 states have internal predecessors, (565), 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) [2024-12-02 10:24:10,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 565 transitions. [2024-12-02 10:24:10,821 INFO L240 hiAutomatonCegarLoop]: Abstraction has 449 states and 565 transitions. [2024-12-02 10:24:10,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 10:24:10,822 INFO L425 stractBuchiCegarLoop]: Abstraction has 449 states and 565 transitions. [2024-12-02 10:24:10,822 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-12-02 10:24:10,822 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 449 states and 565 transitions. [2024-12-02 10:24:10,825 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 326 [2024-12-02 10:24:10,825 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-02 10:24:10,825 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-02 10:24:10,826 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:24:10,826 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:24:10,826 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);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#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~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1;" "main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1;" "assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet44#1, test_#t~nondet45#1, test_#t~nondet46#1, test_#t~nondet47#1, test_~splverifierCounter~0#1, test_~tmp~8#1, test_~tmp___0~2#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~8#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-12-02 10:24:10,826 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet44#1;test_~tmp~8#1 := test_#t~nondet44#1;havoc test_#t~nondet44#1;" "assume !(0 != test_~tmp~8#1);" "havoc test_#t~nondet45#1;test_~tmp___0~2#1 := test_#t~nondet45#1;havoc test_#t~nondet45#1;" "assume !(0 != test_~tmp___0~2#1);" "havoc test_#t~nondet46#1;test_~tmp___2~0#1 := test_#t~nondet46#1;havoc test_#t~nondet46#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~ret32#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1;" "assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret43#1, isHighWaterLevel_~retValue_acc~8#1, isHighWaterLevel_~tmp~7#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~8#1;havoc isHighWaterLevel_~tmp~7#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~11#1;havoc isHighWaterSensorDry_~retValue_acc~11#1;" "assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~11#1 := 0;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~11#1;" "isHighWaterLevel_#t~ret43#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~11#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~7#1 := isHighWaterLevel_#t~ret43#1;havoc isHighWaterLevel_#t~ret43#1;" "assume !(0 != isHighWaterLevel_~tmp~7#1);isHighWaterLevel_~tmp___0~1#1 := 1;" "isHighWaterLevel_~retValue_acc~8#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~8#1;" "processEnvironment_#t~ret32#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret43#1, isHighWaterLevel_~retValue_acc~8#1, isHighWaterLevel_~tmp~7#1, isHighWaterLevel_~tmp___0~1#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment_~tmp~5#1 := processEnvironment_#t~ret32#1;havoc processEnvironment_#t~ret32#1;" "assume !(0 != processEnvironment_~tmp~5#1);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment_#t~ret32#1, processEnvironment_~tmp~5#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_#t~ret7#1, __utac_acc__Specification3_spec__1_~tmp~1#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~1#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;isMethaneLevelCritical_~retValue_acc~9#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~9#1;" "__utac_acc__Specification3_spec__1_#t~ret5#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~1#1 := __utac_acc__Specification3_spec__1_#t~ret5#1;havoc __utac_acc__Specification3_spec__1_#t~ret5#1;" "assume !(0 != __utac_acc__Specification3_spec__1_~tmp~1#1);assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;havoc getWaterLevel_~retValue_acc~10#1;getWaterLevel_~retValue_acc~10#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1;" "__utac_acc__Specification3_spec__1_#t~ret6#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification3_spec__1_~tmp___0~0#1 := __utac_acc__Specification3_spec__1_#t~ret6#1;havoc __utac_acc__Specification3_spec__1_#t~ret6#1;" "assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~0#1);" "havoc __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_#t~ret7#1, __utac_acc__Specification3_spec__1_~tmp~1#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2024-12-02 10:24:10,826 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:24:10,826 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 5 times [2024-12-02 10:24:10,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 10:24:10,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146937168] [2024-12-02 10:24:10,826 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:24:10,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:24:10,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 10:24:10,833 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 10:24:10,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 10:24:10,838 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 10:24:10,839 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:24:10,839 INFO L85 PathProgramCache]: Analyzing trace with hash -1942875571, now seen corresponding path program 1 times [2024-12-02 10:24:10,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 10:24:10,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690682472] [2024-12-02 10:24:10,839 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:24:10,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:24:10,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:24:10,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-12-02 10:24:10,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690682472] [2024-12-02 10:24:10,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [690682472] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 10:24:10,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1085835994] [2024-12-02 10:24:10,884 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:24:10,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:24:10,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408290b2-b6e8-49fc-9d6c-e52ee9c2d30e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:24:10,887 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408290b2-b6e8-49fc-9d6c-e52ee9c2d30e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 10:24:10,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408290b2-b6e8-49fc-9d6c-e52ee9c2d30e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-12-02 10:24:10,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:24:10,928 INFO L256 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 10:24:10,929 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:24:10,937 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 10:24:10,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1085835994] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 10:24:10,955 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 10:24:10,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 5 [2024-12-02 10:24:10,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402953953] [2024-12-02 10:24:10,955 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 10:24:10,955 INFO L764 eck$LassoCheckResult]: loop already infeasible [2024-12-02 10:24:10,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-12-02 10:24:10,956 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 10:24:10,956 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 10:24:10,956 INFO L87 Difference]: Start difference. First operand 449 states and 565 transitions. cyclomatic complexity: 121 Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 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) [2024-12-02 10:24:11,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:24:11,028 INFO L93 Difference]: Finished difference Result 467 states and 583 transitions. [2024-12-02 10:24:11,028 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 467 states and 583 transitions. [2024-12-02 10:24:11,030 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 338 [2024-12-02 10:24:11,032 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 467 states to 467 states and 583 transitions. [2024-12-02 10:24:11,032 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 467 [2024-12-02 10:24:11,032 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 467 [2024-12-02 10:24:11,032 INFO L73 IsDeterministic]: Start isDeterministic. Operand 467 states and 583 transitions. [2024-12-02 10:24:11,033 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-12-02 10:24:11,033 INFO L218 hiAutomatonCegarLoop]: Abstraction has 467 states and 583 transitions. [2024-12-02 10:24:11,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 467 states and 583 transitions. [2024-12-02 10:24:11,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 467 to 467. [2024-12-02 10:24:11,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 467 states, 467 states have (on average 1.2483940042826553) internal successors, (583), 466 states have internal predecessors, (583), 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) [2024-12-02 10:24:11,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 583 transitions. [2024-12-02 10:24:11,039 INFO L240 hiAutomatonCegarLoop]: Abstraction has 467 states and 583 transitions. [2024-12-02 10:24:11,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 10:24:11,040 INFO L425 stractBuchiCegarLoop]: Abstraction has 467 states and 583 transitions. [2024-12-02 10:24:11,040 INFO L332 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2024-12-02 10:24:11,040 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 467 states and 583 transitions. [2024-12-02 10:24:11,042 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 338 [2024-12-02 10:24:11,042 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-02 10:24:11,042 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-02 10:24:11,042 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:24:11,042 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:24:11,042 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);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#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~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1;" "main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1;" "assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet44#1, test_#t~nondet45#1, test_#t~nondet46#1, test_#t~nondet47#1, test_~splverifierCounter~0#1, test_~tmp~8#1, test_~tmp___0~2#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~8#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-12-02 10:24:11,042 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet44#1;test_~tmp~8#1 := test_#t~nondet44#1;havoc test_#t~nondet44#1;" "assume !(0 != test_~tmp~8#1);" "havoc test_#t~nondet45#1;test_~tmp___0~2#1 := test_#t~nondet45#1;havoc test_#t~nondet45#1;" "assume !(0 != test_~tmp___0~2#1);" "havoc test_#t~nondet46#1;test_~tmp___2~0#1 := test_#t~nondet46#1;havoc test_#t~nondet46#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~ret32#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1;" "assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret43#1, isHighWaterLevel_~retValue_acc~8#1, isHighWaterLevel_~tmp~7#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~8#1;havoc isHighWaterLevel_~tmp~7#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~11#1;havoc isHighWaterSensorDry_~retValue_acc~11#1;" "assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~11#1 := 0;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~11#1;" "isHighWaterLevel_#t~ret43#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~11#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~7#1 := isHighWaterLevel_#t~ret43#1;havoc isHighWaterLevel_#t~ret43#1;" "assume 0 != isHighWaterLevel_~tmp~7#1;isHighWaterLevel_~tmp___0~1#1 := 0;" "isHighWaterLevel_~retValue_acc~8#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~8#1;" "processEnvironment_#t~ret32#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret43#1, isHighWaterLevel_~retValue_acc~8#1, isHighWaterLevel_~tmp~7#1, isHighWaterLevel_~tmp___0~1#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment_~tmp~5#1 := processEnvironment_#t~ret32#1;havoc processEnvironment_#t~ret32#1;" "assume !(0 != processEnvironment_~tmp~5#1);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment_#t~ret32#1, processEnvironment_~tmp~5#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_#t~ret7#1, __utac_acc__Specification3_spec__1_~tmp~1#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~1#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;isMethaneLevelCritical_~retValue_acc~9#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~9#1;" "__utac_acc__Specification3_spec__1_#t~ret5#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~1#1 := __utac_acc__Specification3_spec__1_#t~ret5#1;havoc __utac_acc__Specification3_spec__1_#t~ret5#1;" "assume !(0 != __utac_acc__Specification3_spec__1_~tmp~1#1);assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;havoc getWaterLevel_~retValue_acc~10#1;getWaterLevel_~retValue_acc~10#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1;" "__utac_acc__Specification3_spec__1_#t~ret6#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification3_spec__1_~tmp___0~0#1 := __utac_acc__Specification3_spec__1_#t~ret6#1;havoc __utac_acc__Specification3_spec__1_#t~ret6#1;" "assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~0#1);" "havoc __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_#t~ret7#1, __utac_acc__Specification3_spec__1_~tmp~1#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2024-12-02 10:24:11,043 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:24:11,043 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 6 times [2024-12-02 10:24:11,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 10:24:11,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476983649] [2024-12-02 10:24:11,043 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:24:11,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:24:11,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 10:24:11,048 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 10:24:11,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 10:24:11,053 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 10:24:11,053 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:24:11,053 INFO L85 PathProgramCache]: Analyzing trace with hash -1356069557, now seen corresponding path program 1 times [2024-12-02 10:24:11,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 10:24:11,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150533533] [2024-12-02 10:24:11,054 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:24:11,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:24:11,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:24:11,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-12-02 10:24:11,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150533533] [2024-12-02 10:24:11,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1150533533] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 10:24:11,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1040929811] [2024-12-02 10:24:11,088 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:24:11,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:24:11,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408290b2-b6e8-49fc-9d6c-e52ee9c2d30e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:24:11,090 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408290b2-b6e8-49fc-9d6c-e52ee9c2d30e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 10:24:11,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408290b2-b6e8-49fc-9d6c-e52ee9c2d30e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-12-02 10:24:11,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:24:11,131 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-02 10:24:11,132 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:24:11,137 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 10:24:11,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1040929811] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 10:24:11,143 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 10:24:11,143 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 4 [2024-12-02 10:24:11,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206935894] [2024-12-02 10:24:11,143 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 10:24:11,144 INFO L764 eck$LassoCheckResult]: loop already infeasible [2024-12-02 10:24:11,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-12-02 10:24:11,144 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 10:24:11,144 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 10:24:11,144 INFO L87 Difference]: Start difference. First operand 467 states and 583 transitions. cyclomatic complexity: 121 Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 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) [2024-12-02 10:24:11,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:24:11,177 INFO L93 Difference]: Finished difference Result 467 states and 577 transitions. [2024-12-02 10:24:11,177 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 467 states and 577 transitions. [2024-12-02 10:24:11,179 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 338 [2024-12-02 10:24:11,181 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 467 states to 467 states and 577 transitions. [2024-12-02 10:24:11,181 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 467 [2024-12-02 10:24:11,181 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 467 [2024-12-02 10:24:11,181 INFO L73 IsDeterministic]: Start isDeterministic. Operand 467 states and 577 transitions. [2024-12-02 10:24:11,182 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-12-02 10:24:11,182 INFO L218 hiAutomatonCegarLoop]: Abstraction has 467 states and 577 transitions. [2024-12-02 10:24:11,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 467 states and 577 transitions. [2024-12-02 10:24:11,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 467 to 467. [2024-12-02 10:24:11,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 467 states, 467 states have (on average 1.2355460385438972) internal successors, (577), 466 states have internal predecessors, (577), 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) [2024-12-02 10:24:11,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 577 transitions. [2024-12-02 10:24:11,188 INFO L240 hiAutomatonCegarLoop]: Abstraction has 467 states and 577 transitions. [2024-12-02 10:24:11,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 10:24:11,189 INFO L425 stractBuchiCegarLoop]: Abstraction has 467 states and 577 transitions. [2024-12-02 10:24:11,189 INFO L332 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2024-12-02 10:24:11,189 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 467 states and 577 transitions. [2024-12-02 10:24:11,191 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 338 [2024-12-02 10:24:11,191 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-02 10:24:11,192 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-02 10:24:11,192 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:24:11,192 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:24:11,192 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);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#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~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1;" "main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1;" "assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet44#1, test_#t~nondet45#1, test_#t~nondet46#1, test_#t~nondet47#1, test_~splverifierCounter~0#1, test_~tmp~8#1, test_~tmp___0~2#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~8#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-12-02 10:24:11,192 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet44#1;test_~tmp~8#1 := test_#t~nondet44#1;havoc test_#t~nondet44#1;" "assume !(0 != test_~tmp~8#1);" "havoc test_#t~nondet45#1;test_~tmp___0~2#1 := test_#t~nondet45#1;havoc test_#t~nondet45#1;" "assume !(0 != test_~tmp___0~2#1);" "havoc test_#t~nondet46#1;test_~tmp___2~0#1 := test_#t~nondet46#1;havoc test_#t~nondet46#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~ret32#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1;" "assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret43#1, isHighWaterLevel_~retValue_acc~8#1, isHighWaterLevel_~tmp~7#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~8#1;havoc isHighWaterLevel_~tmp~7#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~11#1;havoc isHighWaterSensorDry_~retValue_acc~11#1;" "assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~11#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~11#1;" "isHighWaterLevel_#t~ret43#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~11#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~7#1 := isHighWaterLevel_#t~ret43#1;havoc isHighWaterLevel_#t~ret43#1;" "assume 0 != isHighWaterLevel_~tmp~7#1;isHighWaterLevel_~tmp___0~1#1 := 0;" "isHighWaterLevel_~retValue_acc~8#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~8#1;" "processEnvironment_#t~ret32#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret43#1, isHighWaterLevel_~retValue_acc~8#1, isHighWaterLevel_~tmp~7#1, isHighWaterLevel_~tmp___0~1#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment_~tmp~5#1 := processEnvironment_#t~ret32#1;havoc processEnvironment_#t~ret32#1;" "assume !(0 != processEnvironment_~tmp~5#1);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment_#t~ret32#1, processEnvironment_~tmp~5#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_#t~ret7#1, __utac_acc__Specification3_spec__1_~tmp~1#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~1#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;isMethaneLevelCritical_~retValue_acc~9#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~9#1;" "__utac_acc__Specification3_spec__1_#t~ret5#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~1#1 := __utac_acc__Specification3_spec__1_#t~ret5#1;havoc __utac_acc__Specification3_spec__1_#t~ret5#1;" "assume !(0 != __utac_acc__Specification3_spec__1_~tmp~1#1);assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;havoc getWaterLevel_~retValue_acc~10#1;getWaterLevel_~retValue_acc~10#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1;" "__utac_acc__Specification3_spec__1_#t~ret6#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification3_spec__1_~tmp___0~0#1 := __utac_acc__Specification3_spec__1_#t~ret6#1;havoc __utac_acc__Specification3_spec__1_#t~ret6#1;" "assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~0#1);" "havoc __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_#t~ret7#1, __utac_acc__Specification3_spec__1_~tmp~1#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2024-12-02 10:24:11,193 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:24:11,193 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 7 times [2024-12-02 10:24:11,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 10:24:11,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599727735] [2024-12-02 10:24:11,193 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:24:11,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:24:11,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 10:24:11,197 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 10:24:11,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 10:24:11,201 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 10:24:11,201 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:24:11,201 INFO L85 PathProgramCache]: Analyzing trace with hash -76205879, now seen corresponding path program 1 times [2024-12-02 10:24:11,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 10:24:11,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243887922] [2024-12-02 10:24:11,201 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:24:11,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:24:11,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 10:24:11,207 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 10:24:11,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 10:24:11,212 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 10:24:11,212 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:24:11,212 INFO L85 PathProgramCache]: Analyzing trace with hash -202647155, now seen corresponding path program 1 times [2024-12-02 10:24:11,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 10:24:11,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426977011] [2024-12-02 10:24:11,212 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:24:11,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:24:11,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 10:24:11,221 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 10:24:11,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 10:24:11,229 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 10:24:11,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 10:24:11,992 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 10:24:11,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 10:24:12,034 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.12 10:24:12 BoogieIcfgContainer [2024-12-02 10:24:12,034 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-12-02 10:24:12,035 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 10:24:12,035 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 10:24:12,035 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 10:24:12,035 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:24:09" (3/4) ... [2024-12-02 10:24:12,037 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample [2024-12-02 10:24:12,069 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408290b2-b6e8-49fc-9d6c-e52ee9c2d30e/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml [2024-12-02 10:24:12,069 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 10:24:12,070 INFO L158 Benchmark]: Toolchain (without parser) took 3710.50ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 117.8MB in the beginning and 375.8MB in the end (delta: -258.0MB). Peak memory consumption was 26.4MB. Max. memory is 16.1GB. [2024-12-02 10:24:12,070 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 142.6MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 10:24:12,071 INFO L158 Benchmark]: CACSL2BoogieTranslator took 325.55ms. Allocated memory is still 142.6MB. Free memory was 117.6MB in the beginning and 99.5MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 10:24:12,071 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.89ms. Allocated memory is still 142.6MB. Free memory was 99.3MB in the beginning and 97.0MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 10:24:12,071 INFO L158 Benchmark]: Boogie Preprocessor took 40.42ms. Allocated memory is still 142.6MB. Free memory was 97.0MB in the beginning and 94.5MB in the end (delta: 2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 10:24:12,072 INFO L158 Benchmark]: RCFGBuilder took 396.30ms. Allocated memory is still 142.6MB. Free memory was 94.3MB in the beginning and 72.8MB in the end (delta: 21.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 10:24:12,072 INFO L158 Benchmark]: BuchiAutomizer took 2867.58ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 72.8MB in the beginning and 378.5MB in the end (delta: -305.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 10:24:12,072 INFO L158 Benchmark]: Witness Printer took 34.82ms. Allocated memory is still 427.8MB. Free memory was 378.5MB in the beginning and 375.8MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 10:24:12,074 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 142.6MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 325.55ms. Allocated memory is still 142.6MB. Free memory was 117.6MB in the beginning and 99.5MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.89ms. Allocated memory is still 142.6MB. Free memory was 99.3MB in the beginning and 97.0MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 40.42ms. Allocated memory is still 142.6MB. Free memory was 97.0MB in the beginning and 94.5MB in the end (delta: 2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 396.30ms. Allocated memory is still 142.6MB. Free memory was 94.3MB in the beginning and 72.8MB in the end (delta: 21.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 2867.58ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 72.8MB in the beginning and 378.5MB in the end (delta: -305.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 34.82ms. Allocated memory is still 427.8MB. Free memory was 378.5MB in the beginning and 375.8MB in the end (delta: 2.7MB). 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,"Test.i","") [49] - GenericResultAtLocation [Line: 153]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [153] - GenericResultAtLocation [Line: 162]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [162] - GenericResultAtLocation [Line: 199]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [199] - GenericResultAtLocation [Line: 565]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [565] - GenericResultAtLocation [Line: 600]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [600] - GenericResultAtLocation [Line: 791]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [791] - GenericResultAtLocation [Line: 858]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [858] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 6 terminating modules (6 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.6 modules have a trivial ranking function, the largest among these consists of 7 locations. The remainder module has 467 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.8s and 7 iterations. TraceHistogramMax:1. Analysis of lassos took 2.1s. Construction of modules took 0.2s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 0. Minimization of det autom 6. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 107 StatesRemovedByMinimization, 1 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, 811 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 811 mSDsluCounter, 2847 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1961 mSDsCounter, 58 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 255 IncrementalHoareTripleChecker+Invalid, 313 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 58 mSolverCounterUnsat, 886 mSDtfsCounter, 255 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI4 SFLT0 conc2 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: 804]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L50] int cleanupTimeShifts = 4; [L369] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L607] int pumpRunning = 0; [L608] int systemActive = 1; [L859] int waterLevel = 1; [L860] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L131] int retValue_acc ; [L132] int tmp ; [L136] FCALL select_helpers() [L137] FCALL select_features() [L138] CALL, EXPR valid_product() [L592] int retValue_acc ; [L595] retValue_acc = 1 [L596] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L138] RET, EXPR valid_product() [L138] tmp = valid_product() [L140] COND TRUE \read(tmp) [L142] FCALL setup() [L143] CALL runTest() [L122] CALL test() [L793] int splverifierCounter ; [L794] int tmp ; [L795] int tmp___0 ; [L796] int tmp___1 ; [L797] int tmp___2 ; [L800] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L804] COND TRUE splverifierCounter < 4 [L810] tmp = __VERIFIER_nondet_int() [L812] COND FALSE !(\read(tmp)) [L820] tmp___0 = __VERIFIER_nondet_int() [L822] COND FALSE !(\read(tmp___0)) [L830] tmp___2 = __VERIFIER_nondet_int() [L832] COND TRUE \read(tmp___2) [L847] CALL timeShift() [L614] COND FALSE !(\read(pumpRunning)) [L621] COND TRUE \read(systemActive) [L623] CALL processEnvironment() [L643] int tmp ; [L646] COND TRUE ! pumpRunning [L648] CALL, EXPR isHighWaterLevel() [L758] int retValue_acc ; [L759] int tmp ; [L760] int tmp___0 ; [L764] CALL, EXPR isHighWaterSensorDry() [L939] int retValue_acc ; [L942] COND TRUE waterLevel < 2 [L943] retValue_acc = 1 [L944] return (retValue_acc); [L764] RET, EXPR isHighWaterSensorDry() [L764] tmp = isHighWaterSensorDry() [L766] COND TRUE \read(tmp) [L767] tmp___0 = 0 [L771] retValue_acc = tmp___0 [L772] return (retValue_acc); [L648] RET, EXPR isHighWaterLevel() [L648] tmp = isHighWaterLevel() [L650] COND FALSE !(\read(tmp)) [L656] FCALL processEnvironment__wrappee__base() [L623] RET processEnvironment() [L629] CALL __utac_acc__Specification3_spec__1() [L167] int tmp ; [L168] int tmp___0 ; [L169] int tmp___1 ; [L173] CALL, EXPR isMethaneLevelCritical() [L898] int retValue_acc ; [L901] retValue_acc = methaneLevelCritical [L902] return (retValue_acc); [L173] RET, EXPR isMethaneLevelCritical() [L173] tmp = isMethaneLevelCritical() [L175] COND FALSE !(\read(tmp)) [L179] CALL, EXPR getWaterLevel() [L930] int retValue_acc ; [L933] retValue_acc = waterLevel [L934] return (retValue_acc); [L179] RET, EXPR getWaterLevel() [L179] tmp___0 = getWaterLevel() [L181] COND FALSE !(tmp___0 == 2) [L629] RET __utac_acc__Specification3_spec__1() [L847] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 804]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L50] int cleanupTimeShifts = 4; [L369] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L607] int pumpRunning = 0; [L608] int systemActive = 1; [L859] int waterLevel = 1; [L860] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L131] int retValue_acc ; [L132] int tmp ; [L136] FCALL select_helpers() [L137] FCALL select_features() [L138] CALL, EXPR valid_product() [L592] int retValue_acc ; [L595] retValue_acc = 1 [L596] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L138] RET, EXPR valid_product() [L138] tmp = valid_product() [L140] COND TRUE \read(tmp) [L142] FCALL setup() [L143] CALL runTest() [L122] CALL test() [L793] int splverifierCounter ; [L794] int tmp ; [L795] int tmp___0 ; [L796] int tmp___1 ; [L797] int tmp___2 ; [L800] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L804] COND TRUE splverifierCounter < 4 [L810] tmp = __VERIFIER_nondet_int() [L812] COND FALSE !(\read(tmp)) [L820] tmp___0 = __VERIFIER_nondet_int() [L822] COND FALSE !(\read(tmp___0)) [L830] tmp___2 = __VERIFIER_nondet_int() [L832] COND TRUE \read(tmp___2) [L847] CALL timeShift() [L614] COND FALSE !(\read(pumpRunning)) [L621] COND TRUE \read(systemActive) [L623] CALL processEnvironment() [L643] int tmp ; [L646] COND TRUE ! pumpRunning [L648] CALL, EXPR isHighWaterLevel() [L758] int retValue_acc ; [L759] int tmp ; [L760] int tmp___0 ; [L764] CALL, EXPR isHighWaterSensorDry() [L939] int retValue_acc ; [L942] COND TRUE waterLevel < 2 [L943] retValue_acc = 1 [L944] return (retValue_acc); [L764] RET, EXPR isHighWaterSensorDry() [L764] tmp = isHighWaterSensorDry() [L766] COND TRUE \read(tmp) [L767] tmp___0 = 0 [L771] retValue_acc = tmp___0 [L772] return (retValue_acc); [L648] RET, EXPR isHighWaterLevel() [L648] tmp = isHighWaterLevel() [L650] COND FALSE !(\read(tmp)) [L656] FCALL processEnvironment__wrappee__base() [L623] RET processEnvironment() [L629] CALL __utac_acc__Specification3_spec__1() [L167] int tmp ; [L168] int tmp___0 ; [L169] int tmp___1 ; [L173] CALL, EXPR isMethaneLevelCritical() [L898] int retValue_acc ; [L901] retValue_acc = methaneLevelCritical [L902] return (retValue_acc); [L173] RET, EXPR isMethaneLevelCritical() [L173] tmp = isMethaneLevelCritical() [L175] COND FALSE !(\read(tmp)) [L179] CALL, EXPR getWaterLevel() [L930] int retValue_acc ; [L933] retValue_acc = waterLevel [L934] return (retValue_acc); [L179] RET, EXPR getWaterLevel() [L179] tmp___0 = getWaterLevel() [L181] COND FALSE !(tmp___0 == 2) [L629] RET __utac_acc__Specification3_spec__1() [L847] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-12-02 10:24:12,088 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408290b2-b6e8-49fc-9d6c-e52ee9c2d30e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-12-02 10:24:12,287 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408290b2-b6e8-49fc-9d6c-e52ee9c2d30e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-12-02 10:24:12,487 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408290b2-b6e8-49fc-9d6c-e52ee9c2d30e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-12-02 10:24:12,687 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408290b2-b6e8-49fc-9d6c-e52ee9c2d30e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-02 10:24:12,887 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408290b2-b6e8-49fc-9d6c-e52ee9c2d30e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 10:24:13,088 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408290b2-b6e8-49fc-9d6c-e52ee9c2d30e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 10:24:13,288 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408290b2-b6e8-49fc-9d6c-e52ee9c2d30e/bin/uautomizer-verify-84ZbGMXZE1/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)