./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_productSimulator.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_353527fd-1c04-4e22-977d-b8772282c396/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_353527fd-1c04-4e22-977d-b8772282c396/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_353527fd-1c04-4e22-977d-b8772282c396/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_353527fd-1c04-4e22-977d-b8772282c396/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_productSimulator.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_353527fd-1c04-4e22-977d-b8772282c396/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_353527fd-1c04-4e22-977d-b8772282c396/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 45558e1c10008e5b16efe572a84fcf92b08797f54d586c51d45827b7e38254a6 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 11:41:29,721 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 11:41:29,779 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_353527fd-1c04-4e22-977d-b8772282c396/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-12-02 11:41:29,783 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 11:41:29,783 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 11:41:29,806 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 11:41:29,807 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 11:41:29,807 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 11:41:29,807 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 11:41:29,807 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 11:41:29,808 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 11:41:29,808 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 11:41:29,808 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 11:41:29,808 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-12-02 11:41:29,808 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-12-02 11:41:29,808 INFO L153 SettingsManager]: * Use old map elimination=false [2024-12-02 11:41:29,809 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-12-02 11:41:29,809 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-12-02 11:41:29,809 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-12-02 11:41:29,809 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 11:41:29,809 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-12-02 11:41:29,809 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 11:41:29,809 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 11:41:29,809 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 11:41:29,810 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 11:41:29,810 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-12-02 11:41:29,810 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-12-02 11:41:29,810 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-12-02 11:41:29,810 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-02 11:41:29,810 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 11:41:29,810 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 11:41:29,810 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-12-02 11:41:29,811 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 11:41:29,811 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 11:41:29,811 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 11:41:29,811 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 11:41:29,811 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 11:41:29,811 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-12-02 11:41:29,812 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-12-02 11:41:29,812 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_353527fd-1c04-4e22-977d-b8772282c396/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 -> 45558e1c10008e5b16efe572a84fcf92b08797f54d586c51d45827b7e38254a6 [2024-12-02 11:41:30,042 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 11:41:30,051 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 11:41:30,053 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 11:41:30,055 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 11:41:30,055 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 11:41:30,056 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_353527fd-1c04-4e22-977d-b8772282c396/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/product-lines/minepump_spec4_productSimulator.cil.c [2024-12-02 11:41:32,705 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_353527fd-1c04-4e22-977d-b8772282c396/bin/uautomizer-verify-84ZbGMXZE1/data/210c9801e/08482ffb0f9f493b9e5a80fcc1748445/FLAG91c7219dc [2024-12-02 11:41:32,926 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 11:41:32,927 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_353527fd-1c04-4e22-977d-b8772282c396/sv-benchmarks/c/product-lines/minepump_spec4_productSimulator.cil.c [2024-12-02 11:41:32,940 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_353527fd-1c04-4e22-977d-b8772282c396/bin/uautomizer-verify-84ZbGMXZE1/data/210c9801e/08482ffb0f9f493b9e5a80fcc1748445/FLAG91c7219dc [2024-12-02 11:41:32,955 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_353527fd-1c04-4e22-977d-b8772282c396/bin/uautomizer-verify-84ZbGMXZE1/data/210c9801e/08482ffb0f9f493b9e5a80fcc1748445 [2024-12-02 11:41:32,957 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 11:41:32,959 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 11:41:32,960 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 11:41:32,961 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 11:41:32,965 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 11:41:32,966 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:41:32" (1/1) ... [2024-12-02 11:41:32,967 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@688d0bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:41:32, skipping insertion in model container [2024-12-02 11:41:32,967 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:41:32" (1/1) ... [2024-12-02 11:41:33,001 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 11:41:33,273 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 11:41:33,287 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 11:41:33,297 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49] [2024-12-02 11:41:33,299 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [153] [2024-12-02 11:41:33,299 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [190] [2024-12-02 11:41:33,299 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [530] [2024-12-02 11:41:33,299 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [607] [2024-12-02 11:41:33,299 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [616] [2024-12-02 11:41:33,299 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [982] [2024-12-02 11:41:33,300 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [1085] [2024-12-02 11:41:33,359 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 11:41:33,381 INFO L204 MainTranslator]: Completed translation [2024-12-02 11:41:33,382 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:41:33 WrapperNode [2024-12-02 11:41:33,382 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 11:41:33,383 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 11:41:33,383 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 11:41:33,383 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 11:41:33,390 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:41:33" (1/1) ... [2024-12-02 11:41:33,403 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:41:33" (1/1) ... [2024-12-02 11:41:33,477 INFO L138 Inliner]: procedures = 63, calls = 122, calls flagged for inlining = 75, calls inlined = 452, statements flattened = 2687 [2024-12-02 11:41:33,478 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 11:41:33,478 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 11:41:33,478 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 11:41:33,478 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 11:41:33,487 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:41:33" (1/1) ... [2024-12-02 11:41:33,487 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:41:33" (1/1) ... [2024-12-02 11:41:33,496 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:41:33" (1/1) ... [2024-12-02 11:41:33,520 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 11:41:33,520 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:41:33" (1/1) ... [2024-12-02 11:41:33,520 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:41:33" (1/1) ... [2024-12-02 11:41:33,547 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:41:33" (1/1) ... [2024-12-02 11:41:33,550 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:41:33" (1/1) ... [2024-12-02 11:41:33,565 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:41:33" (1/1) ... [2024-12-02 11:41:33,570 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:41:33" (1/1) ... [2024-12-02 11:41:33,575 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:41:33" (1/1) ... [2024-12-02 11:41:33,585 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 11:41:33,585 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 11:41:33,586 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 11:41:33,586 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 11:41:33,587 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:41:33" (1/1) ... [2024-12-02 11:41:33,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 11:41:33,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_353527fd-1c04-4e22-977d-b8772282c396/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:41:33,623 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_353527fd-1c04-4e22-977d-b8772282c396/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 11:41:33,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_353527fd-1c04-4e22-977d-b8772282c396/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-12-02 11:41:33,657 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 11:41:33,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 11:41:33,657 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 11:41:33,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 11:41:33,748 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 11:41:33,750 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 11:41:34,997 INFO L? ?]: Removed 587 outVars from TransFormulas that were not future-live. [2024-12-02 11:41:34,997 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 11:41:35,022 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 11:41:35,022 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-12-02 11:41:35,023 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:41:35 BoogieIcfgContainer [2024-12-02 11:41:35,023 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 11:41:35,024 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-12-02 11:41:35,024 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-12-02 11:41:35,030 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-12-02 11:41:35,031 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-12-02 11:41:35,031 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.12 11:41:32" (1/3) ... [2024-12-02 11:41:35,032 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@28039b8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.12 11:41:35, skipping insertion in model container [2024-12-02 11:41:35,032 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-12-02 11:41:35,032 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:41:33" (2/3) ... [2024-12-02 11:41:35,032 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@28039b8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.12 11:41:35, skipping insertion in model container [2024-12-02 11:41:35,032 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-12-02 11:41:35,033 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:41:35" (3/3) ... [2024-12-02 11:41:35,034 INFO L363 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_productSimulator.cil.c [2024-12-02 11:41:35,089 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-12-02 11:41:35,089 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-12-02 11:41:35,089 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-12-02 11:41:35,089 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-12-02 11:41:35,089 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-12-02 11:41:35,089 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-12-02 11:41:35,089 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-12-02 11:41:35,090 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-12-02 11:41:35,096 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 767 states, 766 states have (on average 1.345953002610966) internal successors, (1031), 766 states have internal predecessors, (1031), 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 11:41:35,129 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 505 [2024-12-02 11:41:35,129 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-02 11:41:35,129 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-02 11:41:35,134 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:41:35,135 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:41:35,135 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-12-02 11:41:35,136 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 767 states, 766 states have (on average 1.345953002610966) internal successors, (1031), 766 states have internal predecessors, (1031), 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 11:41:35,149 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 505 [2024-12-02 11:41:35,149 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-02 11:41:35,149 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-02 11:41:35,151 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:41:35,151 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:41:35,156 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(38, 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;~__SELECTED_FEATURE_base~0 := 0;~__SELECTED_FEATURE_highWaterSensor~0 := 0;~__SELECTED_FEATURE_lowWaterSensor~0 := 0;~__SELECTED_FEATURE_methaneQuery~0 := 0;~__SELECTED_FEATURE_methaneAlarm~0 := 0;~__SELECTED_FEATURE_stopCommand~0 := 0;~__SELECTED_FEATURE_startCommand~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~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;~__GUIDSL_ROOT_PRODUCTION~0 := 1;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;havoc select_features_#t~ret55#1, select_features_#t~ret56#1, select_features_#t~ret57#1, select_features_#t~ret58#1, select_features_#t~ret59#1, select_features_#t~ret60#1;~__SELECTED_FEATURE_base~0 := 1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet54#1, select_one_~retValue_acc~12#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~12#1;havoc select_one_#t~nondet54#1;select_one_~choice~0#1 := select_one_#t~nondet54#1;havoc select_one_#t~nondet54#1;select_one_~retValue_acc~12#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~12#1;" "select_features_#t~ret55#1 := select_one_#res#1;havoc select_one_#t~nondet54#1, select_one_~retValue_acc~12#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_highWaterSensor~0 := select_features_#t~ret55#1;havoc select_features_#t~ret55#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet54#1, select_one_~retValue_acc~12#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~12#1;havoc select_one_#t~nondet54#1;select_one_~choice~0#1 := select_one_#t~nondet54#1;havoc select_one_#t~nondet54#1;select_one_~retValue_acc~12#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~12#1;" "select_features_#t~ret56#1 := select_one_#res#1;havoc select_one_#t~nondet54#1, select_one_~retValue_acc~12#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_lowWaterSensor~0 := select_features_#t~ret56#1;havoc select_features_#t~ret56#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet54#1, select_one_~retValue_acc~12#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~12#1;havoc select_one_#t~nondet54#1;select_one_~choice~0#1 := select_one_#t~nondet54#1;havoc select_one_#t~nondet54#1;select_one_~retValue_acc~12#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~12#1;" "select_features_#t~ret57#1 := select_one_#res#1;havoc select_one_#t~nondet54#1, select_one_~retValue_acc~12#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_methaneQuery~0 := select_features_#t~ret57#1;havoc select_features_#t~ret57#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet54#1, select_one_~retValue_acc~12#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~12#1;havoc select_one_#t~nondet54#1;select_one_~choice~0#1 := select_one_#t~nondet54#1;havoc select_one_#t~nondet54#1;select_one_~retValue_acc~12#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~12#1;" "select_features_#t~ret58#1 := select_one_#res#1;havoc select_one_#t~nondet54#1, select_one_~retValue_acc~12#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_methaneAlarm~0 := select_features_#t~ret58#1;havoc select_features_#t~ret58#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet54#1, select_one_~retValue_acc~12#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~12#1;havoc select_one_#t~nondet54#1;select_one_~choice~0#1 := select_one_#t~nondet54#1;havoc select_one_#t~nondet54#1;select_one_~retValue_acc~12#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~12#1;" "select_features_#t~ret59#1 := select_one_#res#1;havoc select_one_#t~nondet54#1, select_one_~retValue_acc~12#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_stopCommand~0 := select_features_#t~ret59#1;havoc select_features_#t~ret59#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet54#1, select_one_~retValue_acc~12#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~12#1;havoc select_one_#t~nondet54#1;select_one_~choice~0#1 := select_one_#t~nondet54#1;havoc select_one_#t~nondet54#1;select_one_~retValue_acc~12#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~12#1;" "select_features_#t~ret60#1 := select_one_#res#1;havoc select_one_#t~nondet54#1, select_one_~retValue_acc~12#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_startCommand~0 := select_features_#t~ret60#1;havoc select_features_#t~ret60#1;" "havoc select_features_#t~ret55#1, select_features_#t~ret56#1, select_features_#t~ret57#1, select_features_#t~ret58#1, select_features_#t~ret59#1, select_features_#t~ret60#1;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~13#1;havoc valid_product_~retValue_acc~13#1;valid_product_~retValue_acc~13#1 := ~__SELECTED_FEATURE_base~0;valid_product_#res#1 := valid_product_~retValue_acc~13#1;" "main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~13#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~nondet22#1, test_#t~nondet23#1, test_#t~nondet24#1, test_#t~nondet25#1, test_~splverifierCounter~0#1, test_~tmp~8#1, test_~tmp___0~3#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~8#1;havoc test_~tmp___0~3#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-12-02 11:41:35,156 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet22#1;test_~tmp~8#1 := test_#t~nondet22#1;havoc test_#t~nondet22#1;" "assume !(0 != test_~tmp~8#1);" "havoc test_#t~nondet23#1;test_~tmp___0~3#1 := test_#t~nondet23#1;havoc test_#t~nondet23#1;" "assume !(0 != test_~tmp___0~3#1);" "havoc test_#t~nondet24#1;test_~tmp___2~0#1 := test_#t~nondet24#1;havoc test_#t~nondet24#1;" "assume 0 != test_~tmp___2~0#1;" "assume !(0 != ~__SELECTED_FEATURE_startCommand~0);" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume !(0 != ~systemActive~0);" "assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_#t~ret6#1, __utac_acc__Specification4_spec__1_~tmp~1#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~1#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~9#1;havoc getWaterLevel_~retValue_acc~9#1;getWaterLevel_~retValue_acc~9#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~9#1;" "__utac_acc__Specification4_spec__1_#t~ret5#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~9#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~1#1 := __utac_acc__Specification4_spec__1_#t~ret5#1;havoc __utac_acc__Specification4_spec__1_#t~ret5#1;" "assume !(0 == __utac_acc__Specification4_spec__1_~tmp~1#1);" "havoc __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_#t~ret6#1, __utac_acc__Specification4_spec__1_~tmp~1#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2024-12-02 11:41:35,160 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:41:35,161 INFO L85 PathProgramCache]: Analyzing trace with hash 1125405515, now seen corresponding path program 1 times [2024-12-02 11:41:35,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 11:41:35,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989809740] [2024-12-02 11:41:35,168 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:41:35,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:41:35,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 11:41:35,255 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 11:41:35,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 11:41:35,297 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 11:41:35,299 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:41:35,299 INFO L85 PathProgramCache]: Analyzing trace with hash -456616076, now seen corresponding path program 1 times [2024-12-02 11:41:35,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 11:41:35,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913746564] [2024-12-02 11:41:35,300 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:41:35,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:41:35,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 11:41:35,310 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 11:41:35,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 11:41:35,318 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 11:41:35,320 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:41:35,320 INFO L85 PathProgramCache]: Analyzing trace with hash -470739266, now seen corresponding path program 1 times [2024-12-02 11:41:35,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 11:41:35,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899414724] [2024-12-02 11:41:35,320 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:41:35,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:41:35,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:41:35,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-12-02 11:41:35,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899414724] [2024-12-02 11:41:35,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [899414724] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 11:41:35,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2070221285] [2024-12-02 11:41:35,570 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:41:35,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:41:35,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_353527fd-1c04-4e22-977d-b8772282c396/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:41:35,575 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_353527fd-1c04-4e22-977d-b8772282c396/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 11:41:35,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_353527fd-1c04-4e22-977d-b8772282c396/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 11:41:35,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:41:35,694 INFO L256 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 11:41:35,696 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:41:35,759 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 11:41:35,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2070221285] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 11:41:35,818 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 11:41:35,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 2, 2] total 7 [2024-12-02 11:41:35,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190155796] [2024-12-02 11:41:35,819 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 11:41:35,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-12-02 11:41:35,951 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 11:41:35,951 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-12-02 11:41:35,955 INFO L87 Difference]: Start difference. First operand has 767 states, 766 states have (on average 1.345953002610966) internal successors, (1031), 766 states have internal predecessors, (1031), 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 8 states, 8 states have (on average 6.625) internal successors, (53), 7 states have internal predecessors, (53), 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 11:41:36,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:41:36,267 INFO L93 Difference]: Finished difference Result 2319 states and 3100 transitions. [2024-12-02 11:41:36,269 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2319 states and 3100 transitions. [2024-12-02 11:41:36,294 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 1534 [2024-12-02 11:41:36,318 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2319 states to 2279 states and 3060 transitions. [2024-12-02 11:41:36,320 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 2279 [2024-12-02 11:41:36,324 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 2279 [2024-12-02 11:41:36,324 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2279 states and 3060 transitions. [2024-12-02 11:41:36,334 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-12-02 11:41:36,334 INFO L218 hiAutomatonCegarLoop]: Abstraction has 2279 states and 3060 transitions. [2024-12-02 11:41:36,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2279 states and 3060 transitions. [2024-12-02 11:41:36,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2279 to 803. [2024-12-02 11:41:36,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 803 states, 803 states have (on average 1.3412204234122043) internal successors, (1077), 802 states have internal predecessors, (1077), 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 11:41:36,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 803 states to 803 states and 1077 transitions. [2024-12-02 11:41:36,408 INFO L240 hiAutomatonCegarLoop]: Abstraction has 803 states and 1077 transitions. [2024-12-02 11:41:36,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 11:41:36,413 INFO L425 stractBuchiCegarLoop]: Abstraction has 803 states and 1077 transitions. [2024-12-02 11:41:36,413 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-12-02 11:41:36,413 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 803 states and 1077 transitions. [2024-12-02 11:41:36,420 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 539 [2024-12-02 11:41:36,420 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-02 11:41:36,420 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-02 11:41:36,422 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:41:36,422 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] [2024-12-02 11:41:36,422 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(38, 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;~__SELECTED_FEATURE_base~0 := 0;~__SELECTED_FEATURE_highWaterSensor~0 := 0;~__SELECTED_FEATURE_lowWaterSensor~0 := 0;~__SELECTED_FEATURE_methaneQuery~0 := 0;~__SELECTED_FEATURE_methaneAlarm~0 := 0;~__SELECTED_FEATURE_stopCommand~0 := 0;~__SELECTED_FEATURE_startCommand~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~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;~__GUIDSL_ROOT_PRODUCTION~0 := 1;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;havoc select_features_#t~ret55#1, select_features_#t~ret56#1, select_features_#t~ret57#1, select_features_#t~ret58#1, select_features_#t~ret59#1, select_features_#t~ret60#1;~__SELECTED_FEATURE_base~0 := 1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet54#1, select_one_~retValue_acc~12#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~12#1;havoc select_one_#t~nondet54#1;select_one_~choice~0#1 := select_one_#t~nondet54#1;havoc select_one_#t~nondet54#1;select_one_~retValue_acc~12#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~12#1;" "select_features_#t~ret55#1 := select_one_#res#1;havoc select_one_#t~nondet54#1, select_one_~retValue_acc~12#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_highWaterSensor~0 := select_features_#t~ret55#1;havoc select_features_#t~ret55#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet54#1, select_one_~retValue_acc~12#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~12#1;havoc select_one_#t~nondet54#1;select_one_~choice~0#1 := select_one_#t~nondet54#1;havoc select_one_#t~nondet54#1;select_one_~retValue_acc~12#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~12#1;" "select_features_#t~ret56#1 := select_one_#res#1;havoc select_one_#t~nondet54#1, select_one_~retValue_acc~12#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_lowWaterSensor~0 := select_features_#t~ret56#1;havoc select_features_#t~ret56#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet54#1, select_one_~retValue_acc~12#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~12#1;havoc select_one_#t~nondet54#1;select_one_~choice~0#1 := select_one_#t~nondet54#1;havoc select_one_#t~nondet54#1;select_one_~retValue_acc~12#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~12#1;" "select_features_#t~ret57#1 := select_one_#res#1;havoc select_one_#t~nondet54#1, select_one_~retValue_acc~12#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_methaneQuery~0 := select_features_#t~ret57#1;havoc select_features_#t~ret57#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet54#1, select_one_~retValue_acc~12#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~12#1;havoc select_one_#t~nondet54#1;select_one_~choice~0#1 := select_one_#t~nondet54#1;havoc select_one_#t~nondet54#1;select_one_~retValue_acc~12#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~12#1;" "select_features_#t~ret58#1 := select_one_#res#1;havoc select_one_#t~nondet54#1, select_one_~retValue_acc~12#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_methaneAlarm~0 := select_features_#t~ret58#1;havoc select_features_#t~ret58#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet54#1, select_one_~retValue_acc~12#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~12#1;havoc select_one_#t~nondet54#1;select_one_~choice~0#1 := select_one_#t~nondet54#1;havoc select_one_#t~nondet54#1;select_one_~retValue_acc~12#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~12#1;" "select_features_#t~ret59#1 := select_one_#res#1;havoc select_one_#t~nondet54#1, select_one_~retValue_acc~12#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_stopCommand~0 := select_features_#t~ret59#1;havoc select_features_#t~ret59#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet54#1, select_one_~retValue_acc~12#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~12#1;havoc select_one_#t~nondet54#1;select_one_~choice~0#1 := select_one_#t~nondet54#1;havoc select_one_#t~nondet54#1;select_one_~retValue_acc~12#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~12#1;" "select_features_#t~ret60#1 := select_one_#res#1;havoc select_one_#t~nondet54#1, select_one_~retValue_acc~12#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_startCommand~0 := select_features_#t~ret60#1;havoc select_features_#t~ret60#1;" "havoc select_features_#t~ret55#1, select_features_#t~ret56#1, select_features_#t~ret57#1, select_features_#t~ret58#1, select_features_#t~ret59#1, select_features_#t~ret60#1;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~13#1;havoc valid_product_~retValue_acc~13#1;valid_product_~retValue_acc~13#1 := ~__SELECTED_FEATURE_base~0;valid_product_#res#1 := valid_product_~retValue_acc~13#1;" "main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~13#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~nondet22#1, test_#t~nondet23#1, test_#t~nondet24#1, test_#t~nondet25#1, test_~splverifierCounter~0#1, test_~tmp~8#1, test_~tmp___0~3#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~8#1;havoc test_~tmp___0~3#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-12-02 11:41:36,422 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet22#1;test_~tmp~8#1 := test_#t~nondet22#1;havoc test_#t~nondet22#1;" "assume !(0 != test_~tmp~8#1);" "havoc test_#t~nondet23#1;test_~tmp___0~3#1 := test_#t~nondet23#1;havoc test_#t~nondet23#1;" "assume !(0 != test_~tmp___0~3#1);" "havoc test_#t~nondet24#1;test_~tmp___2~0#1 := test_#t~nondet24#1;havoc test_#t~nondet24#1;" "assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet25#1;test_~tmp___1~0#1 := test_#t~nondet25#1;havoc test_#t~nondet25#1;" "assume !(0 != test_~tmp___1~0#1);" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;" "assume !(0 != ~__SELECTED_FEATURE_methaneAlarm~0);assume { :begin_inline_processEnvironment__before__methaneAlarm } true;" "assume !(0 != ~__SELECTED_FEATURE_lowWaterSensor~0);assume { :begin_inline_processEnvironment__before__lowWaterSensor } true;" "assume !(0 != ~__SELECTED_FEATURE_highWaterSensor~0);assume { :begin_inline_processEnvironment__before__highWaterSensor } true;" "assume { :end_inline_processEnvironment__before__highWaterSensor } true;" "assume { :end_inline_processEnvironment__before__lowWaterSensor } true;" "assume { :end_inline_processEnvironment__before__methaneAlarm } true;" "assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_#t~ret6#1, __utac_acc__Specification4_spec__1_~tmp~1#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~1#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~9#1;havoc getWaterLevel_~retValue_acc~9#1;getWaterLevel_~retValue_acc~9#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~9#1;" "__utac_acc__Specification4_spec__1_#t~ret5#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~9#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~1#1 := __utac_acc__Specification4_spec__1_#t~ret5#1;havoc __utac_acc__Specification4_spec__1_#t~ret5#1;" "assume !(0 == __utac_acc__Specification4_spec__1_~tmp~1#1);" "havoc __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_#t~ret6#1, __utac_acc__Specification4_spec__1_~tmp~1#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2024-12-02 11:41:36,423 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:41:36,423 INFO L85 PathProgramCache]: Analyzing trace with hash 1125405515, now seen corresponding path program 2 times [2024-12-02 11:41:36,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 11:41:36,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913056562] [2024-12-02 11:41:36,423 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:41:36,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:41:36,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 11:41:36,441 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 11:41:36,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 11:41:36,458 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 11:41:36,458 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:41:36,459 INFO L85 PathProgramCache]: Analyzing trace with hash 1589122545, now seen corresponding path program 1 times [2024-12-02 11:41:36,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 11:41:36,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535659529] [2024-12-02 11:41:36,459 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:41:36,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:41:36,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 11:41:36,467 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 11:41:36,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 11:41:36,475 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 11:41:36,476 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:41:36,476 INFO L85 PathProgramCache]: Analyzing trace with hash 1055502183, now seen corresponding path program 1 times [2024-12-02 11:41:36,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 11:41:36,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779268133] [2024-12-02 11:41:36,477 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:41:36,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:41:36,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 11:41:36,496 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 11:41:36,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 11:41:36,518 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 11:41:37,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 11:41:37,707 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 11:41:37,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 11:41:37,782 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.12 11:41:37 BoogieIcfgContainer [2024-12-02 11:41:37,783 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-12-02 11:41:37,783 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 11:41:37,783 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 11:41:37,783 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 11:41:37,784 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:41:35" (3/4) ... [2024-12-02 11:41:37,785 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample [2024-12-02 11:41:37,832 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_353527fd-1c04-4e22-977d-b8772282c396/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml [2024-12-02 11:41:37,832 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 11:41:37,833 INFO L158 Benchmark]: Toolchain (without parser) took 4874.26ms. Allocated memory was 117.4MB in the beginning and 209.7MB in the end (delta: 92.3MB). Free memory was 91.6MB in the beginning and 114.4MB in the end (delta: -22.8MB). Peak memory consumption was 68.1MB. Max. memory is 16.1GB. [2024-12-02 11:41:37,833 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 117.4MB. Free memory is still 73.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 11:41:37,834 INFO L158 Benchmark]: CACSL2BoogieTranslator took 421.84ms. Allocated memory is still 117.4MB. Free memory was 91.4MB in the beginning and 72.2MB in the end (delta: 19.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 11:41:37,834 INFO L158 Benchmark]: Boogie Procedure Inliner took 94.69ms. Allocated memory is still 117.4MB. Free memory was 72.0MB in the beginning and 63.5MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 11:41:37,835 INFO L158 Benchmark]: Boogie Preprocessor took 106.73ms. Allocated memory is still 117.4MB. Free memory was 63.5MB in the beginning and 54.1MB in the end (delta: 9.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 11:41:37,835 INFO L158 Benchmark]: RCFGBuilder took 1437.41ms. Allocated memory is still 117.4MB. Free memory was 54.1MB in the beginning and 61.1MB in the end (delta: -7.0MB). Peak memory consumption was 35.5MB. Max. memory is 16.1GB. [2024-12-02 11:41:37,835 INFO L158 Benchmark]: BuchiAutomizer took 2758.93ms. Allocated memory was 117.4MB in the beginning and 209.7MB in the end (delta: 92.3MB). Free memory was 61.1MB in the beginning and 119.0MB in the end (delta: -57.8MB). Peak memory consumption was 38.3MB. Max. memory is 16.1GB. [2024-12-02 11:41:37,836 INFO L158 Benchmark]: Witness Printer took 49.23ms. Allocated memory is still 209.7MB. Free memory was 119.0MB in the beginning and 114.4MB in the end (delta: 4.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 11:41:37,838 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 117.4MB. Free memory is still 73.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 421.84ms. Allocated memory is still 117.4MB. Free memory was 91.4MB in the beginning and 72.2MB in the end (delta: 19.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 94.69ms. Allocated memory is still 117.4MB. Free memory was 72.0MB in the beginning and 63.5MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 106.73ms. Allocated memory is still 117.4MB. Free memory was 63.5MB in the beginning and 54.1MB in the end (delta: 9.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * RCFGBuilder took 1437.41ms. Allocated memory is still 117.4MB. Free memory was 54.1MB in the beginning and 61.1MB in the end (delta: -7.0MB). Peak memory consumption was 35.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 2758.93ms. Allocated memory was 117.4MB in the beginning and 209.7MB in the end (delta: 92.3MB). Free memory was 61.1MB in the beginning and 119.0MB in the end (delta: -57.8MB). Peak memory consumption was 38.3MB. Max. memory is 16.1GB. * Witness Printer took 49.23ms. Allocated memory is still 209.7MB. Free memory was 119.0MB in the beginning and 114.4MB in the end (delta: 4.5MB). 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,"Specification4_spec.i","") [153] - GenericResultAtLocation [Line: 190]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [190] - GenericResultAtLocation [Line: 530]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [530] - GenericResultAtLocation [Line: 607]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [607] - GenericResultAtLocation [Line: 616]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [616] - GenericResultAtLocation [Line: 982]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [982] - GenericResultAtLocation [Line: 1085]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [1085] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 8 locations. The remainder module has 803 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 1476 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, 4996 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4996 mSDsluCounter, 7178 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6158 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 62 IncrementalHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 1020 mSDtfsCounter, 62 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 543]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L50] int cleanupTimeShifts = 4; [L155] int __SELECTED_FEATURE_base ; [L156] int __SELECTED_FEATURE_highWaterSensor ; [L157] int __SELECTED_FEATURE_lowWaterSensor ; [L158] int __SELECTED_FEATURE_methaneQuery ; [L159] int __SELECTED_FEATURE_methaneAlarm ; [L160] int __SELECTED_FEATURE_stopCommand ; [L161] int __SELECTED_FEATURE_startCommand ; [L162] int __GUIDSL_ROOT_PRODUCTION ; [L200] int pumpRunning = 0; [L201] int systemActive = 1; [L786] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L983] int waterLevel = 1; [L984] int methaneLevelCritical = 0; VAL [__GUIDSL_ROOT_PRODUCTION=0, __SELECTED_FEATURE_base=0, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L131] int retValue_acc ; [L132] int tmp ; [L136] CALL select_helpers() [L1117] __GUIDSL_ROOT_PRODUCTION = 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=0, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L136] RET select_helpers() [L137] CALL select_features() [L1102] __SELECTED_FEATURE_base = 1 [L1103] CALL, EXPR select_one() [L1088] int retValue_acc ; [L1089] int choice = __VERIFIER_nondet_int(); [L1092] retValue_acc = choice [L1093] return (retValue_acc); VAL [\result=0, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L1103] RET, EXPR select_one() [L1103] __SELECTED_FEATURE_highWaterSensor = select_one() [L1104] CALL, EXPR select_one() [L1088] int retValue_acc ; [L1089] int choice = __VERIFIER_nondet_int(); [L1092] retValue_acc = choice [L1093] return (retValue_acc); VAL [\result=0, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L1104] RET, EXPR select_one() [L1104] __SELECTED_FEATURE_lowWaterSensor = select_one() [L1105] CALL, EXPR select_one() [L1088] int retValue_acc ; [L1089] int choice = __VERIFIER_nondet_int(); [L1092] retValue_acc = choice [L1093] return (retValue_acc); VAL [\result=16, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L1105] RET, EXPR select_one() [L1105] __SELECTED_FEATURE_methaneQuery = select_one() [L1106] CALL, EXPR select_one() [L1088] int retValue_acc ; [L1089] int choice = __VERIFIER_nondet_int(); [L1092] retValue_acc = choice [L1093] return (retValue_acc); VAL [\result=0, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=16, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L1106] RET, EXPR select_one() [L1106] __SELECTED_FEATURE_methaneAlarm = select_one() [L1107] CALL, EXPR select_one() [L1088] int retValue_acc ; [L1089] int choice = __VERIFIER_nondet_int(); [L1092] retValue_acc = choice [L1093] return (retValue_acc); VAL [\result=17, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=16, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L1107] RET, EXPR select_one() [L1107] __SELECTED_FEATURE_stopCommand = select_one() [L1108] CALL, EXPR select_one() [L1088] int retValue_acc ; [L1089] int choice = __VERIFIER_nondet_int(); [L1092] retValue_acc = choice [L1093] return (retValue_acc); VAL [\result=18, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=16, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=17, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L1108] RET, EXPR select_one() [L1108] __SELECTED_FEATURE_startCommand = select_one() [L137] RET select_features() [L138] CALL, EXPR valid_product() [L1122] int retValue_acc ; [L1125] retValue_acc = __SELECTED_FEATURE_base [L1126] return (retValue_acc); VAL [\result=1, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=16, __SELECTED_FEATURE_startCommand=18, __SELECTED_FEATURE_stopCommand=17, 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() [L532] int splverifierCounter ; [L533] int tmp ; [L534] int tmp___0 ; [L535] int tmp___1 ; [L536] int tmp___2 ; [L539] splverifierCounter = 0 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=16, __SELECTED_FEATURE_startCommand=18, __SELECTED_FEATURE_stopCommand=17, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L543] COND TRUE splverifierCounter < 4 [L549] tmp = __VERIFIER_nondet_int() [L551] COND FALSE !(\read(tmp)) [L559] tmp___0 = __VERIFIER_nondet_int() [L561] COND FALSE !(\read(tmp___0)) [L569] tmp___2 = __VERIFIER_nondet_int() [L571] COND FALSE !(\read(tmp___2)) [L581] tmp___1 = __VERIFIER_nondet_int() [L583] COND FALSE !(\read(tmp___1)) [L596] CALL timeShift() [L207] COND FALSE !(\read(pumpRunning)) [L214] COND TRUE \read(systemActive) [L216] CALL processEnvironment() [L350] COND FALSE !(\read(__SELECTED_FEATURE_methaneAlarm)) [L357] CALL processEnvironment__before__methaneAlarm() [L307] COND FALSE !(\read(__SELECTED_FEATURE_lowWaterSensor)) [L314] CALL processEnvironment__before__lowWaterSensor() [L264] COND FALSE !(\read(__SELECTED_FEATURE_highWaterSensor)) [L271] FCALL processEnvironment__before__highWaterSensor() [L314] RET processEnvironment__before__lowWaterSensor() [L357] RET processEnvironment__before__methaneAlarm() [L216] RET processEnvironment() [L222] CALL __utac_acc__Specification4_spec__1() [L166] int tmp ; [L167] int tmp___0 ; [L171] CALL, EXPR getWaterLevel() [L1054] int retValue_acc ; [L1057] retValue_acc = waterLevel [L1058] return (retValue_acc); [L171] RET, EXPR getWaterLevel() [L171] tmp = getWaterLevel() [L173] COND FALSE !(tmp == 0) [L222] RET __utac_acc__Specification4_spec__1() [L596] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 543]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L50] int cleanupTimeShifts = 4; [L155] int __SELECTED_FEATURE_base ; [L156] int __SELECTED_FEATURE_highWaterSensor ; [L157] int __SELECTED_FEATURE_lowWaterSensor ; [L158] int __SELECTED_FEATURE_methaneQuery ; [L159] int __SELECTED_FEATURE_methaneAlarm ; [L160] int __SELECTED_FEATURE_stopCommand ; [L161] int __SELECTED_FEATURE_startCommand ; [L162] int __GUIDSL_ROOT_PRODUCTION ; [L200] int pumpRunning = 0; [L201] int systemActive = 1; [L786] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L983] int waterLevel = 1; [L984] int methaneLevelCritical = 0; VAL [__GUIDSL_ROOT_PRODUCTION=0, __SELECTED_FEATURE_base=0, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L131] int retValue_acc ; [L132] int tmp ; [L136] CALL select_helpers() [L1117] __GUIDSL_ROOT_PRODUCTION = 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=0, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L136] RET select_helpers() [L137] CALL select_features() [L1102] __SELECTED_FEATURE_base = 1 [L1103] CALL, EXPR select_one() [L1088] int retValue_acc ; [L1089] int choice = __VERIFIER_nondet_int(); [L1092] retValue_acc = choice [L1093] return (retValue_acc); VAL [\result=0, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L1103] RET, EXPR select_one() [L1103] __SELECTED_FEATURE_highWaterSensor = select_one() [L1104] CALL, EXPR select_one() [L1088] int retValue_acc ; [L1089] int choice = __VERIFIER_nondet_int(); [L1092] retValue_acc = choice [L1093] return (retValue_acc); VAL [\result=0, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L1104] RET, EXPR select_one() [L1104] __SELECTED_FEATURE_lowWaterSensor = select_one() [L1105] CALL, EXPR select_one() [L1088] int retValue_acc ; [L1089] int choice = __VERIFIER_nondet_int(); [L1092] retValue_acc = choice [L1093] return (retValue_acc); VAL [\result=16, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L1105] RET, EXPR select_one() [L1105] __SELECTED_FEATURE_methaneQuery = select_one() [L1106] CALL, EXPR select_one() [L1088] int retValue_acc ; [L1089] int choice = __VERIFIER_nondet_int(); [L1092] retValue_acc = choice [L1093] return (retValue_acc); VAL [\result=0, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=16, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L1106] RET, EXPR select_one() [L1106] __SELECTED_FEATURE_methaneAlarm = select_one() [L1107] CALL, EXPR select_one() [L1088] int retValue_acc ; [L1089] int choice = __VERIFIER_nondet_int(); [L1092] retValue_acc = choice [L1093] return (retValue_acc); VAL [\result=17, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=16, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L1107] RET, EXPR select_one() [L1107] __SELECTED_FEATURE_stopCommand = select_one() [L1108] CALL, EXPR select_one() [L1088] int retValue_acc ; [L1089] int choice = __VERIFIER_nondet_int(); [L1092] retValue_acc = choice [L1093] return (retValue_acc); VAL [\result=18, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=16, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=17, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L1108] RET, EXPR select_one() [L1108] __SELECTED_FEATURE_startCommand = select_one() [L137] RET select_features() [L138] CALL, EXPR valid_product() [L1122] int retValue_acc ; [L1125] retValue_acc = __SELECTED_FEATURE_base [L1126] return (retValue_acc); VAL [\result=1, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=16, __SELECTED_FEATURE_startCommand=18, __SELECTED_FEATURE_stopCommand=17, 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() [L532] int splverifierCounter ; [L533] int tmp ; [L534] int tmp___0 ; [L535] int tmp___1 ; [L536] int tmp___2 ; [L539] splverifierCounter = 0 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=16, __SELECTED_FEATURE_startCommand=18, __SELECTED_FEATURE_stopCommand=17, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L543] COND TRUE splverifierCounter < 4 [L549] tmp = __VERIFIER_nondet_int() [L551] COND FALSE !(\read(tmp)) [L559] tmp___0 = __VERIFIER_nondet_int() [L561] COND FALSE !(\read(tmp___0)) [L569] tmp___2 = __VERIFIER_nondet_int() [L571] COND FALSE !(\read(tmp___2)) [L581] tmp___1 = __VERIFIER_nondet_int() [L583] COND FALSE !(\read(tmp___1)) [L596] CALL timeShift() [L207] COND FALSE !(\read(pumpRunning)) [L214] COND TRUE \read(systemActive) [L216] CALL processEnvironment() [L350] COND FALSE !(\read(__SELECTED_FEATURE_methaneAlarm)) [L357] CALL processEnvironment__before__methaneAlarm() [L307] COND FALSE !(\read(__SELECTED_FEATURE_lowWaterSensor)) [L314] CALL processEnvironment__before__lowWaterSensor() [L264] COND FALSE !(\read(__SELECTED_FEATURE_highWaterSensor)) [L271] FCALL processEnvironment__before__highWaterSensor() [L314] RET processEnvironment__before__lowWaterSensor() [L357] RET processEnvironment__before__methaneAlarm() [L216] RET processEnvironment() [L222] CALL __utac_acc__Specification4_spec__1() [L166] int tmp ; [L167] int tmp___0 ; [L171] CALL, EXPR getWaterLevel() [L1054] int retValue_acc ; [L1057] retValue_acc = waterLevel [L1058] return (retValue_acc); [L171] RET, EXPR getWaterLevel() [L171] tmp = getWaterLevel() [L173] COND FALSE !(tmp == 0) [L222] RET __utac_acc__Specification4_spec__1() [L596] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-12-02 11:41:37,855 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_353527fd-1c04-4e22-977d-b8772282c396/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 11:41:38,051 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_353527fd-1c04-4e22-977d-b8772282c396/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)