./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_productSimulator.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69b4724c-35a8-44b3-9f4e-e264e2bd1dd8/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69b4724c-35a8-44b3-9f4e-e264e2bd1dd8/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69b4724c-35a8-44b3-9f4e-e264e2bd1dd8/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69b4724c-35a8-44b3-9f4e-e264e2bd1dd8/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_productSimulator.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69b4724c-35a8-44b3-9f4e-e264e2bd1dd8/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69b4724c-35a8-44b3-9f4e-e264e2bd1dd8/bin/uautomizer-verify-uCwYo4JHxu --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 e237a09aaa1bc75b51620084d47086dcaad161f8c8500bd0b8b901d1a9d4bb0a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 08:04:10,557 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 08:04:10,634 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69b4724c-35a8-44b3-9f4e-e264e2bd1dd8/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-19 08:04:10,638 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 08:04:10,639 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 08:04:10,665 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 08:04:10,665 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 08:04:10,666 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 08:04:10,667 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 08:04:10,668 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 08:04:10,668 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 08:04:10,669 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-19 08:04:10,669 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-19 08:04:10,670 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-19 08:04:10,670 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-19 08:04:10,671 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-19 08:04:10,671 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-19 08:04:10,672 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 08:04:10,673 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-19 08:04:10,673 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 08:04:10,674 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 08:04:10,677 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 08:04:10,678 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 08:04:10,678 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-19 08:04:10,683 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-19 08:04:10,684 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-19 08:04:10,684 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 08:04:10,685 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 08:04:10,686 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 08:04:10,686 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-19 08:04:10,688 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 08:04:10,688 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 08:04:10,688 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 08:04:10,688 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 08:04:10,689 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 08:04:10,689 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-19 08:04:10,690 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69b4724c-35a8-44b3-9f4e-e264e2bd1dd8/bin/uautomizer-verify-uCwYo4JHxu/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69b4724c-35a8-44b3-9f4e-e264e2bd1dd8/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e237a09aaa1bc75b51620084d47086dcaad161f8c8500bd0b8b901d1a9d4bb0a [2023-11-19 08:04:11,033 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 08:04:11,054 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 08:04:11,057 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 08:04:11,059 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 08:04:11,059 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 08:04:11,061 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69b4724c-35a8-44b3-9f4e-e264e2bd1dd8/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/product-lines/minepump_spec1_productSimulator.cil.c [2023-11-19 08:04:14,153 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 08:04:14,416 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 08:04:14,417 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69b4724c-35a8-44b3-9f4e-e264e2bd1dd8/sv-benchmarks/c/product-lines/minepump_spec1_productSimulator.cil.c [2023-11-19 08:04:14,433 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69b4724c-35a8-44b3-9f4e-e264e2bd1dd8/bin/uautomizer-verify-uCwYo4JHxu/data/49109feaf/3fc54e1206d347aa816b4b56e5868561/FLAG01fe51cba [2023-11-19 08:04:14,448 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69b4724c-35a8-44b3-9f4e-e264e2bd1dd8/bin/uautomizer-verify-uCwYo4JHxu/data/49109feaf/3fc54e1206d347aa816b4b56e5868561 [2023-11-19 08:04:14,451 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 08:04:14,453 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 08:04:14,454 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 08:04:14,455 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 08:04:14,461 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 08:04:14,462 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:04:14" (1/1) ... [2023-11-19 08:04:14,467 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59cb0ab0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:14, skipping insertion in model container [2023-11-19 08:04:14,467 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:04:14" (1/1) ... [2023-11-19 08:04:14,544 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 08:04:15,043 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:04:15,062 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 08:04:15,073 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [49] [2023-11-19 08:04:15,075 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [140] [2023-11-19 08:04:15,075 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [481] [2023-11-19 08:04:15,075 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [847] [2023-11-19 08:04:15,076 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [895] [2023-11-19 08:04:15,076 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [922] [2023-11-19 08:04:15,076 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1026] [2023-11-19 08:04:15,076 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [1035] [2023-11-19 08:04:15,150 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:04:15,179 INFO L206 MainTranslator]: Completed translation [2023-11-19 08:04:15,180 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:15 WrapperNode [2023-11-19 08:04:15,180 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 08:04:15,181 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 08:04:15,182 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 08:04:15,182 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 08:04:15,190 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:15" (1/1) ... [2023-11-19 08:04:15,207 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:15" (1/1) ... [2023-11-19 08:04:15,303 INFO L138 Inliner]: procedures = 63, calls = 122, calls flagged for inlining = 75, calls inlined = 452, statements flattened = 2689 [2023-11-19 08:04:15,323 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 08:04:15,324 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 08:04:15,324 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 08:04:15,324 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 08:04:15,335 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:15" (1/1) ... [2023-11-19 08:04:15,336 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:15" (1/1) ... [2023-11-19 08:04:15,364 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:15" (1/1) ... [2023-11-19 08:04:15,364 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:15" (1/1) ... [2023-11-19 08:04:15,424 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:15" (1/1) ... [2023-11-19 08:04:15,469 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:15" (1/1) ... [2023-11-19 08:04:15,478 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:15" (1/1) ... [2023-11-19 08:04:15,494 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:15" (1/1) ... [2023-11-19 08:04:15,511 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 08:04:15,514 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 08:04:15,514 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 08:04:15,514 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 08:04:15,516 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:15" (1/1) ... [2023-11-19 08:04:15,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:04:15,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69b4724c-35a8-44b3-9f4e-e264e2bd1dd8/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:04:15,550 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69b4724c-35a8-44b3-9f4e-e264e2bd1dd8/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:04:15,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69b4724c-35a8-44b3-9f4e-e264e2bd1dd8/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-19 08:04:15,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 08:04:15,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 08:04:15,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 08:04:15,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 08:04:15,727 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 08:04:15,730 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 08:04:17,563 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 08:04:17,596 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 08:04:17,597 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 08:04:17,608 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:04:17 BoogieIcfgContainer [2023-11-19 08:04:17,608 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 08:04:17,609 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-19 08:04:17,610 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-19 08:04:17,614 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-19 08:04:17,615 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 08:04:17,615 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 08:04:14" (1/3) ... [2023-11-19 08:04:17,617 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@45ab1dec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 08:04:17, skipping insertion in model container [2023-11-19 08:04:17,617 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 08:04:17,617 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:15" (2/3) ... [2023-11-19 08:04:17,618 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@45ab1dec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 08:04:17, skipping insertion in model container [2023-11-19 08:04:17,618 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 08:04:17,618 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:04:17" (3/3) ... [2023-11-19 08:04:17,620 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_productSimulator.cil.c [2023-11-19 08:04:17,704 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-19 08:04:17,705 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-19 08:04:17,705 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-19 08:04:17,705 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-19 08:04:17,705 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-19 08:04:17,706 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-19 08:04:17,706 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-19 08:04:17,706 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-19 08:04:17,716 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 769 states, 768 states have (on average 1.3450520833333333) internal successors, (1033), 768 states have internal predecessors, (1033), 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) [2023-11-19 08:04:17,792 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 507 [2023-11-19 08:04:17,793 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 08:04:17,793 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 08:04:17,804 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:04:17,804 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:04:17,805 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-19 08:04:17,807 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 769 states, 768 states have (on average 1.3450520833333333) internal successors, (1033), 768 states have internal predecessors, (1033), 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) [2023-11-19 08:04:17,847 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 507 [2023-11-19 08:04:17,848 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 08:04:17,848 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 08:04:17,857 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:04:17,857 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:04:17,864 INFO L748 eck$LassoCheckResult]: Stem: 121#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(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);~__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;~cleanupTimeShifts~0 := 4; 718#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret60#1, main_~retValue_acc~13#1, main_~tmp~11#1;havoc main_~retValue_acc~13#1;havoc main_~tmp~11#1;assume { :begin_inline_select_helpers } true;~__GUIDSL_ROOT_PRODUCTION~0 := 1; 614#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;havoc select_features_#t~ret47#1, select_features_#t~ret48#1, select_features_#t~ret49#1, select_features_#t~ret50#1, select_features_#t~ret51#1, select_features_#t~ret52#1;~__SELECTED_FEATURE_base~0 := 1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet46#1, select_one_~retValue_acc~7#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~7#1;havoc select_one_#t~nondet46#1;select_one_~choice~0#1 := select_one_#t~nondet46#1;havoc select_one_#t~nondet46#1;select_one_~retValue_acc~7#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~7#1; 137#select_one_returnLabel#1true select_features_#t~ret47#1 := select_one_#res#1;havoc select_one_#t~nondet46#1, select_one_~retValue_acc~7#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_highWaterSensor~0 := select_features_#t~ret47#1;havoc select_features_#t~ret47#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet46#1, select_one_~retValue_acc~7#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~7#1;havoc select_one_#t~nondet46#1;select_one_~choice~0#1 := select_one_#t~nondet46#1;havoc select_one_#t~nondet46#1;select_one_~retValue_acc~7#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~7#1; 740#select_one_returnLabel#2true select_features_#t~ret48#1 := select_one_#res#1;havoc select_one_#t~nondet46#1, select_one_~retValue_acc~7#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_lowWaterSensor~0 := select_features_#t~ret48#1;havoc select_features_#t~ret48#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet46#1, select_one_~retValue_acc~7#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~7#1;havoc select_one_#t~nondet46#1;select_one_~choice~0#1 := select_one_#t~nondet46#1;havoc select_one_#t~nondet46#1;select_one_~retValue_acc~7#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~7#1; 505#select_one_returnLabel#3true select_features_#t~ret49#1 := select_one_#res#1;havoc select_one_#t~nondet46#1, select_one_~retValue_acc~7#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_methaneQuery~0 := select_features_#t~ret49#1;havoc select_features_#t~ret49#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet46#1, select_one_~retValue_acc~7#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~7#1;havoc select_one_#t~nondet46#1;select_one_~choice~0#1 := select_one_#t~nondet46#1;havoc select_one_#t~nondet46#1;select_one_~retValue_acc~7#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~7#1; 88#select_one_returnLabel#4true select_features_#t~ret50#1 := select_one_#res#1;havoc select_one_#t~nondet46#1, select_one_~retValue_acc~7#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_methaneAlarm~0 := select_features_#t~ret50#1;havoc select_features_#t~ret50#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet46#1, select_one_~retValue_acc~7#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~7#1;havoc select_one_#t~nondet46#1;select_one_~choice~0#1 := select_one_#t~nondet46#1;havoc select_one_#t~nondet46#1;select_one_~retValue_acc~7#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~7#1; 507#select_one_returnLabel#5true select_features_#t~ret51#1 := select_one_#res#1;havoc select_one_#t~nondet46#1, select_one_~retValue_acc~7#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_stopCommand~0 := select_features_#t~ret51#1;havoc select_features_#t~ret51#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet46#1, select_one_~retValue_acc~7#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~7#1;havoc select_one_#t~nondet46#1;select_one_~choice~0#1 := select_one_#t~nondet46#1;havoc select_one_#t~nondet46#1;select_one_~retValue_acc~7#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~7#1; 116#select_one_returnLabel#6true select_features_#t~ret52#1 := select_one_#res#1;havoc select_one_#t~nondet46#1, select_one_~retValue_acc~7#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_startCommand~0 := select_features_#t~ret52#1;havoc select_features_#t~ret52#1; 387#select_features_returnLabel#1true havoc select_features_#t~ret47#1, select_features_#t~ret48#1, select_features_#t~ret49#1, select_features_#t~ret50#1, select_features_#t~ret51#1, select_features_#t~ret52#1;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := ~__SELECTED_FEATURE_base~0;valid_product_#res#1 := valid_product_~retValue_acc~8#1; 470#valid_product_returnLabel#1true main_#t~ret60#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;assume { :end_inline_valid_product } true;main_~tmp~11#1 := main_#t~ret60#1;havoc main_#t~ret60#1; 15#L1118true assume 0 != main_~tmp~11#1;assume { :begin_inline_setup } true; 251#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 674#L74-2true [2023-11-19 08:04:17,865 INFO L750 eck$LassoCheckResult]: Loop: 674#L74-2true assume !false; 732#L75true assume test_~splverifierCounter~0#1 < 4; 643#L76true havoc test_#t~nondet4#1;test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1; 683#L84true assume !(0 != test_~tmp~0#1); 423#L84-2true havoc test_#t~nondet5#1;test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 87#L94true assume !(0 != test_~tmp___0~0#1); 80#L94-2true havoc test_#t~nondet6#1;test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 608#L104true assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet7#1;test_~tmp___1~0#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1; 119#L116true assume !(0 != test_~tmp___1~0#1); 378#L116-1true assume { :begin_inline_timeShift } true; 111#L158true assume !(0 != ~pumpRunning~0); 512#L158-2true assume !(0 != ~systemActive~0); 208#L165-1true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret53#1, __utac_acc__Specification1_spec__1_#t~ret54#1, __utac_acc__Specification1_spec__1_~tmp~10#1, __utac_acc__Specification1_spec__1_~tmp___0~3#1;havoc __utac_acc__Specification1_spec__1_~tmp~10#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~3#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; 623#isMethaneLevelCritical_returnLabel#11true __utac_acc__Specification1_spec__1_#t~ret53#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~10#1 := __utac_acc__Specification1_spec__1_#t~ret53#1;havoc __utac_acc__Specification1_spec__1_#t~ret53#1; 293#L905true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~10#1); 250#L905-1true havoc __utac_acc__Specification1_spec__1_#t~ret53#1, __utac_acc__Specification1_spec__1_#t~ret54#1, __utac_acc__Specification1_spec__1_~tmp~10#1, __utac_acc__Specification1_spec__1_~tmp___0~3#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true; 544#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 674#L74-2true [2023-11-19 08:04:17,880 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:04:17,880 INFO L85 PathProgramCache]: Analyzing trace with hash 1125405515, now seen corresponding path program 1 times [2023-11-19 08:04:17,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:04:17,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296103525] [2023-11-19 08:04:17,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:04:17,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:04:18,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:04:18,086 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 08:04:18,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:04:18,139 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 08:04:18,143 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:04:18,143 INFO L85 PathProgramCache]: Analyzing trace with hash -1278764029, now seen corresponding path program 1 times [2023-11-19 08:04:18,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:04:18,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219987598] [2023-11-19 08:04:18,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:04:18,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:04:18,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:04:18,157 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 08:04:18,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:04:18,167 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 08:04:18,169 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:04:18,169 INFO L85 PathProgramCache]: Analyzing trace with hash -1716582919, now seen corresponding path program 1 times [2023-11-19 08:04:18,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:04:18,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095383221] [2023-11-19 08:04:18,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:04:18,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:04:18,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:18,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:04:18,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:04:18,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095383221] [2023-11-19 08:04:18,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1095383221] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:04:18,474 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:04:18,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 08:04:18,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833420615] [2023-11-19 08:04:18,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:04:18,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:04:18,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-19 08:04:18,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-19 08:04:18,671 INFO L87 Difference]: Start difference. First operand has 769 states, 768 states have (on average 1.3450520833333333) internal successors, (1033), 768 states have internal predecessors, (1033), 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 4.285714285714286) internal successors, (30), 6 states have internal predecessors, (30), 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) [2023-11-19 08:04:19,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:04:19,107 INFO L93 Difference]: Finished difference Result 2327 states and 3108 transitions. [2023-11-19 08:04:19,109 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2327 states and 3108 transitions. [2023-11-19 08:04:19,136 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 1542 [2023-11-19 08:04:19,165 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2327 states to 2287 states and 3068 transitions. [2023-11-19 08:04:19,166 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 2287 [2023-11-19 08:04:19,170 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 2287 [2023-11-19 08:04:19,171 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2287 states and 3068 transitions. [2023-11-19 08:04:19,180 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 08:04:19,181 INFO L218 hiAutomatonCegarLoop]: Abstraction has 2287 states and 3068 transitions. [2023-11-19 08:04:19,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2287 states and 3068 transitions. [2023-11-19 08:04:19,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2287 to 807. [2023-11-19 08:04:19,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 807 states, 807 states have (on average 1.339529120198265) internal successors, (1081), 806 states have internal predecessors, (1081), 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) [2023-11-19 08:04:19,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 807 states to 807 states and 1081 transitions. [2023-11-19 08:04:19,273 INFO L240 hiAutomatonCegarLoop]: Abstraction has 807 states and 1081 transitions. [2023-11-19 08:04:19,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-19 08:04:19,278 INFO L428 stractBuchiCegarLoop]: Abstraction has 807 states and 1081 transitions. [2023-11-19 08:04:19,278 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-19 08:04:19,279 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 807 states and 1081 transitions. [2023-11-19 08:04:19,285 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 543 [2023-11-19 08:04:19,286 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 08:04:19,286 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 08:04:19,287 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:04:19,287 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] [2023-11-19 08:04:19,288 INFO L748 eck$LassoCheckResult]: Stem: 3513#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(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);~__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;~cleanupTimeShifts~0 := 4; 3514#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret60#1, main_~retValue_acc~13#1, main_~tmp~11#1;havoc main_~retValue_acc~13#1;havoc main_~tmp~11#1;assume { :begin_inline_select_helpers } true;~__GUIDSL_ROOT_PRODUCTION~0 := 1; 3736#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;havoc select_features_#t~ret47#1, select_features_#t~ret48#1, select_features_#t~ret49#1, select_features_#t~ret50#1, select_features_#t~ret51#1, select_features_#t~ret52#1;~__SELECTED_FEATURE_base~0 := 1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet46#1, select_one_~retValue_acc~7#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~7#1;havoc select_one_#t~nondet46#1;select_one_~choice~0#1 := select_one_#t~nondet46#1;havoc select_one_#t~nondet46#1;select_one_~retValue_acc~7#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~7#1; 3559#select_one_returnLabel#1 select_features_#t~ret47#1 := select_one_#res#1;havoc select_one_#t~nondet46#1, select_one_~retValue_acc~7#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_highWaterSensor~0 := select_features_#t~ret47#1;havoc select_features_#t~ret47#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet46#1, select_one_~retValue_acc~7#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~7#1;havoc select_one_#t~nondet46#1;select_one_~choice~0#1 := select_one_#t~nondet46#1;havoc select_one_#t~nondet46#1;select_one_~retValue_acc~7#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~7#1; 3560#select_one_returnLabel#2 select_features_#t~ret48#1 := select_one_#res#1;havoc select_one_#t~nondet46#1, select_one_~retValue_acc~7#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_lowWaterSensor~0 := select_features_#t~ret48#1;havoc select_features_#t~ret48#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet46#1, select_one_~retValue_acc~7#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~7#1;havoc select_one_#t~nondet46#1;select_one_~choice~0#1 := select_one_#t~nondet46#1;havoc select_one_#t~nondet46#1;select_one_~retValue_acc~7#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~7#1; 3468#select_one_returnLabel#3 select_features_#t~ret49#1 := select_one_#res#1;havoc select_one_#t~nondet46#1, select_one_~retValue_acc~7#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_methaneQuery~0 := select_features_#t~ret49#1;havoc select_features_#t~ret49#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet46#1, select_one_~retValue_acc~7#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~7#1;havoc select_one_#t~nondet46#1;select_one_~choice~0#1 := select_one_#t~nondet46#1;havoc select_one_#t~nondet46#1;select_one_~retValue_acc~7#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~7#1; 3420#select_one_returnLabel#4 select_features_#t~ret50#1 := select_one_#res#1;havoc select_one_#t~nondet46#1, select_one_~retValue_acc~7#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_methaneAlarm~0 := select_features_#t~ret50#1;havoc select_features_#t~ret50#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet46#1, select_one_~retValue_acc~7#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~7#1;havoc select_one_#t~nondet46#1;select_one_~choice~0#1 := select_one_#t~nondet46#1;havoc select_one_#t~nondet46#1;select_one_~retValue_acc~7#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~7#1; 3421#select_one_returnLabel#5 select_features_#t~ret51#1 := select_one_#res#1;havoc select_one_#t~nondet46#1, select_one_~retValue_acc~7#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_stopCommand~0 := select_features_#t~ret51#1;havoc select_features_#t~ret51#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet46#1, select_one_~retValue_acc~7#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~7#1;havoc select_one_#t~nondet46#1;select_one_~choice~0#1 := select_one_#t~nondet46#1;havoc select_one_#t~nondet46#1;select_one_~retValue_acc~7#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~7#1; 3473#select_one_returnLabel#6 select_features_#t~ret52#1 := select_one_#res#1;havoc select_one_#t~nondet46#1, select_one_~retValue_acc~7#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_startCommand~0 := select_features_#t~ret52#1;havoc select_features_#t~ret52#1; 3496#select_features_returnLabel#1 havoc select_features_#t~ret47#1, select_features_#t~ret48#1, select_features_#t~ret49#1, select_features_#t~ret50#1, select_features_#t~ret51#1, select_features_#t~ret52#1;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := ~__SELECTED_FEATURE_base~0;valid_product_#res#1 := valid_product_~retValue_acc~8#1; 3358#valid_product_returnLabel#1 main_#t~ret60#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;assume { :end_inline_valid_product } true;main_~tmp~11#1 := main_#t~ret60#1;havoc main_#t~ret60#1; 3162#L1118 assume 0 != main_~tmp~11#1;assume { :begin_inline_setup } true; 3163#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 3573#L74-2 [2023-11-19 08:04:19,288 INFO L750 eck$LassoCheckResult]: Loop: 3573#L74-2 assume !false; 3815#L75 assume test_~splverifierCounter~0#1 < 4; 3783#L76 havoc test_#t~nondet4#1;test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1; 3784#L84 assume !(0 != test_~tmp~0#1); 3184#L84-2 havoc test_#t~nondet5#1;test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 3185#L94 assume !(0 != test_~tmp___0~0#1); 3393#L94-2 havoc test_#t~nondet6#1;test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 3394#L104 assume 0 != test_~tmp___2~0#1; 3718#L105 assume !(0 != ~__SELECTED_FEATURE_startCommand~0); 3128#L116-1 assume { :begin_inline_timeShift } true; 3488#L158 assume !(0 != ~pumpRunning~0); 3484#L158-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 3485#L301 assume !(0 != ~__SELECTED_FEATURE_methaneAlarm~0);assume { :begin_inline_processEnvironment__before__methaneAlarm } true; 3804#L258-2 assume !(0 != ~__SELECTED_FEATURE_lowWaterSensor~0);assume { :begin_inline_processEnvironment__before__lowWaterSensor } true; 3719#L215-8 assume !(0 != ~__SELECTED_FEATURE_highWaterSensor~0);assume { :begin_inline_processEnvironment__before__highWaterSensor } true; 3720#processEnvironment__before__highWaterSensor_returnLabel#27 assume { :end_inline_processEnvironment__before__highWaterSensor } true; 3431#processEnvironment__before__lowWaterSensor_returnLabel#9 assume { :end_inline_processEnvironment__before__lowWaterSensor } true; 3228#processEnvironment__before__methaneAlarm_returnLabel#3 assume { :end_inline_processEnvironment__before__methaneAlarm } true; 3728#processEnvironment_returnLabel#1 assume { :end_inline_processEnvironment } true; 3713#L165-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret53#1, __utac_acc__Specification1_spec__1_#t~ret54#1, __utac_acc__Specification1_spec__1_~tmp~10#1, __utac_acc__Specification1_spec__1_~tmp___0~3#1;havoc __utac_acc__Specification1_spec__1_~tmp~10#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~3#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; 3714#isMethaneLevelCritical_returnLabel#11 __utac_acc__Specification1_spec__1_#t~ret53#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~10#1 := __utac_acc__Specification1_spec__1_#t~ret53#1;havoc __utac_acc__Specification1_spec__1_#t~ret53#1; 3750#L905 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~10#1); 3772#L905-1 havoc __utac_acc__Specification1_spec__1_#t~ret53#1, __utac_acc__Specification1_spec__1_#t~ret54#1, __utac_acc__Specification1_spec__1_~tmp~10#1, __utac_acc__Specification1_spec__1_~tmp___0~3#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true; 3572#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 3573#L74-2 [2023-11-19 08:04:19,289 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:04:19,289 INFO L85 PathProgramCache]: Analyzing trace with hash 1125405515, now seen corresponding path program 2 times [2023-11-19 08:04:19,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:04:19,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747519440] [2023-11-19 08:04:19,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:04:19,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:04:19,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:04:19,305 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 08:04:19,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:04:19,323 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 08:04:19,323 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:04:19,324 INFO L85 PathProgramCache]: Analyzing trace with hash 535116834, now seen corresponding path program 1 times [2023-11-19 08:04:19,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:04:19,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136521857] [2023-11-19 08:04:19,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:04:19,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:04:19,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:04:19,332 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 08:04:19,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:04:19,340 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 08:04:19,341 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:04:19,341 INFO L85 PathProgramCache]: Analyzing trace with hash 1172754796, now seen corresponding path program 1 times [2023-11-19 08:04:19,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:04:19,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898041544] [2023-11-19 08:04:19,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:04:19,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:04:19,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:04:19,358 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 08:04:19,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:04:19,378 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 08:04:21,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:04:21,285 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 08:04:21,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:04:21,449 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 08:04:21 BoogieIcfgContainer [2023-11-19 08:04:21,453 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-19 08:04:21,455 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 08:04:21,456 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 08:04:21,456 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 08:04:21,458 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:04:17" (3/4) ... [2023-11-19 08:04:21,461 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2023-11-19 08:04:21,581 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69b4724c-35a8-44b3-9f4e-e264e2bd1dd8/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml [2023-11-19 08:04:21,581 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 08:04:21,582 INFO L158 Benchmark]: Toolchain (without parser) took 7129.04ms. Allocated memory was 121.6MB in the beginning and 209.7MB in the end (delta: 88.1MB). Free memory was 83.3MB in the beginning and 133.7MB in the end (delta: -50.4MB). Peak memory consumption was 37.6MB. Max. memory is 16.1GB. [2023-11-19 08:04:21,583 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 121.6MB. Free memory is still 92.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 08:04:21,583 INFO L158 Benchmark]: CACSL2BoogieTranslator took 726.20ms. Allocated memory is still 121.6MB. Free memory was 83.3MB in the beginning and 85.1MB in the end (delta: -1.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 08:04:21,585 INFO L158 Benchmark]: Boogie Procedure Inliner took 142.20ms. Allocated memory is still 121.6MB. Free memory was 85.1MB in the beginning and 75.7MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-19 08:04:21,586 INFO L158 Benchmark]: Boogie Preprocessor took 187.27ms. Allocated memory is still 121.6MB. Free memory was 75.7MB in the beginning and 68.3MB in the end (delta: 7.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-19 08:04:21,589 INFO L158 Benchmark]: RCFGBuilder took 2094.35ms. Allocated memory was 121.6MB in the beginning and 163.6MB in the end (delta: 41.9MB). Free memory was 68.3MB in the beginning and 84.7MB in the end (delta: -16.4MB). Peak memory consumption was 42.1MB. Max. memory is 16.1GB. [2023-11-19 08:04:21,596 INFO L158 Benchmark]: BuchiAutomizer took 3845.37ms. Allocated memory was 163.6MB in the beginning and 209.7MB in the end (delta: 46.1MB). Free memory was 83.9MB in the beginning and 137.8MB in the end (delta: -53.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 08:04:21,597 INFO L158 Benchmark]: Witness Printer took 125.93ms. Allocated memory is still 209.7MB. Free memory was 137.8MB in the beginning and 133.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 08:04:21,599 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 121.6MB. Free memory is still 92.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 726.20ms. Allocated memory is still 121.6MB. Free memory was 83.3MB in the beginning and 85.1MB in the end (delta: -1.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 142.20ms. Allocated memory is still 121.6MB. Free memory was 85.1MB in the beginning and 75.7MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 187.27ms. Allocated memory is still 121.6MB. Free memory was 75.7MB in the beginning and 68.3MB in the end (delta: 7.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 2094.35ms. Allocated memory was 121.6MB in the beginning and 163.6MB in the end (delta: 41.9MB). Free memory was 68.3MB in the beginning and 84.7MB in the end (delta: -16.4MB). Peak memory consumption was 42.1MB. Max. memory is 16.1GB. * BuchiAutomizer took 3845.37ms. Allocated memory was 163.6MB in the beginning and 209.7MB in the end (delta: 46.1MB). Free memory was 83.9MB in the beginning and 137.8MB in the end (delta: -53.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 125.93ms. Allocated memory is still 209.7MB. Free memory was 137.8MB in the beginning and 133.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. 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,"scenario.i","") [49] - GenericResultAtLocation [Line: 140]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [140] - GenericResultAtLocation [Line: 481]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [481] - GenericResultAtLocation [Line: 847]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [847] - GenericResultAtLocation [Line: 895]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [895] - GenericResultAtLocation [Line: 922]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [922] - GenericResultAtLocation [Line: 1026]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1026] - GenericResultAtLocation [Line: 1035]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [1035] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 7 locations. The remainder module has 807 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 1480 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, 7007 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7007 mSDsluCounter, 8318 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7296 mSDsCounter, 16 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 67 IncrementalHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16 mSolverCounterUnsat, 1022 mSDtfsCounter, 67 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: 74]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L50] int __SELECTED_FEATURE_base ; [L51] int __SELECTED_FEATURE_highWaterSensor ; [L52] int __SELECTED_FEATURE_lowWaterSensor ; [L53] int __SELECTED_FEATURE_methaneQuery ; [L54] int __SELECTED_FEATURE_methaneAlarm ; [L55] int __SELECTED_FEATURE_stopCommand ; [L56] int __SELECTED_FEATURE_startCommand ; [L57] int __GUIDSL_ROOT_PRODUCTION ; [L150] int pumpRunning = 0; [L151] int systemActive = 1; [L651] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L924] int waterLevel = 1; [L925] int methaneLevelCritical = 0; [L1036] int cleanupTimeShifts = 4; 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] [L1109] int retValue_acc ; [L1110] int tmp ; [L1114] CALL select_helpers() [L882] __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] [L1114] RET select_helpers() [L1115] CALL select_features() [L867] __SELECTED_FEATURE_base = 1 [L868] CALL, EXPR select_one() [L853] int retValue_acc ; [L854] int choice = __VERIFIER_nondet_int(); [L857] retValue_acc = choice [L858] 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, choice=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=1] [L868] RET, EXPR select_one() [L868] __SELECTED_FEATURE_highWaterSensor = select_one() [L869] CALL, EXPR select_one() [L853] int retValue_acc ; [L854] int choice = __VERIFIER_nondet_int(); [L857] retValue_acc = choice [L858] 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, choice=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=1] [L869] RET, EXPR select_one() [L869] __SELECTED_FEATURE_lowWaterSensor = select_one() [L870] CALL, EXPR select_one() [L853] int retValue_acc ; [L854] int choice = __VERIFIER_nondet_int(); [L857] retValue_acc = choice [L858] 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=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, choice=17, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=17, systemActive=1, waterLevel=1] [L870] RET, EXPR select_one() [L870] __SELECTED_FEATURE_methaneQuery = select_one() [L871] CALL, EXPR select_one() [L853] int retValue_acc ; [L854] int choice = __VERIFIER_nondet_int(); [L857] retValue_acc = choice [L858] 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=17, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, choice=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=1] [L871] RET, EXPR select_one() [L871] __SELECTED_FEATURE_methaneAlarm = select_one() [L872] CALL, EXPR select_one() [L853] int retValue_acc ; [L854] int choice = __VERIFIER_nondet_int(); [L857] retValue_acc = choice [L858] 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=17, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, choice=18, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=18, systemActive=1, waterLevel=1] [L872] RET, EXPR select_one() [L872] __SELECTED_FEATURE_stopCommand = select_one() [L873] CALL, EXPR select_one() [L853] int retValue_acc ; [L854] int choice = __VERIFIER_nondet_int(); [L857] retValue_acc = choice [L858] 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=17, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=18, choice=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=1] [L873] RET, EXPR select_one() [L873] __SELECTED_FEATURE_startCommand = select_one() [L1115] RET select_features() [L1116] CALL, EXPR valid_product() [L887] int retValue_acc ; [L890] retValue_acc = __SELECTED_FEATURE_base [L891] 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=17, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=18, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L1116] RET, EXPR valid_product() [L1116] tmp = valid_product() [L1118] COND TRUE \read(tmp) [L1120] FCALL setup() [L1121] CALL runTest() [L1103] CALL test() [L65] int splverifierCounter ; [L66] int tmp ; [L67] int tmp___0 ; [L68] int tmp___1 ; [L69] int tmp___2 ; [L72] 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=17, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=18, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L74] COND TRUE 1 [L76] COND TRUE splverifierCounter < 4 [L82] tmp = __VERIFIER_nondet_int() [L84] COND FALSE !(\read(tmp)) [L92] tmp___0 = __VERIFIER_nondet_int() [L94] COND FALSE !(\read(tmp___0)) [L102] tmp___2 = __VERIFIER_nondet_int() [L104] COND TRUE \read(tmp___2) [L105] COND FALSE !(\read(__SELECTED_FEATURE_startCommand)) [L129] CALL timeShift() [L158] COND FALSE !(\read(pumpRunning)) [L165] COND TRUE \read(systemActive) [L167] CALL processEnvironment() [L301] COND FALSE !(\read(__SELECTED_FEATURE_methaneAlarm)) [L308] CALL processEnvironment__before__methaneAlarm() [L258] COND FALSE !(\read(__SELECTED_FEATURE_lowWaterSensor)) [L265] CALL processEnvironment__before__lowWaterSensor() [L215] COND FALSE !(\read(__SELECTED_FEATURE_highWaterSensor)) [L222] FCALL processEnvironment__before__highWaterSensor() [L265] RET processEnvironment__before__lowWaterSensor() [L308] RET processEnvironment__before__methaneAlarm() [L167] RET processEnvironment() [L173] CALL __utac_acc__Specification1_spec__1() [L898] int tmp ; [L899] int tmp___0 ; [L903] CALL, EXPR isMethaneLevelCritical() [L963] int retValue_acc ; [L966] retValue_acc = methaneLevelCritical [L967] return (retValue_acc); [L903] RET, EXPR isMethaneLevelCritical() [L903] tmp = isMethaneLevelCritical() [L905] COND FALSE !(\read(tmp)) [L173] RET __utac_acc__Specification1_spec__1() [L129] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 74]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L50] int __SELECTED_FEATURE_base ; [L51] int __SELECTED_FEATURE_highWaterSensor ; [L52] int __SELECTED_FEATURE_lowWaterSensor ; [L53] int __SELECTED_FEATURE_methaneQuery ; [L54] int __SELECTED_FEATURE_methaneAlarm ; [L55] int __SELECTED_FEATURE_stopCommand ; [L56] int __SELECTED_FEATURE_startCommand ; [L57] int __GUIDSL_ROOT_PRODUCTION ; [L150] int pumpRunning = 0; [L151] int systemActive = 1; [L651] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L924] int waterLevel = 1; [L925] int methaneLevelCritical = 0; [L1036] int cleanupTimeShifts = 4; 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] [L1109] int retValue_acc ; [L1110] int tmp ; [L1114] CALL select_helpers() [L882] __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] [L1114] RET select_helpers() [L1115] CALL select_features() [L867] __SELECTED_FEATURE_base = 1 [L868] CALL, EXPR select_one() [L853] int retValue_acc ; [L854] int choice = __VERIFIER_nondet_int(); [L857] retValue_acc = choice [L858] 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, choice=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=1] [L868] RET, EXPR select_one() [L868] __SELECTED_FEATURE_highWaterSensor = select_one() [L869] CALL, EXPR select_one() [L853] int retValue_acc ; [L854] int choice = __VERIFIER_nondet_int(); [L857] retValue_acc = choice [L858] 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, choice=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=1] [L869] RET, EXPR select_one() [L869] __SELECTED_FEATURE_lowWaterSensor = select_one() [L870] CALL, EXPR select_one() [L853] int retValue_acc ; [L854] int choice = __VERIFIER_nondet_int(); [L857] retValue_acc = choice [L858] 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=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, choice=17, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=17, systemActive=1, waterLevel=1] [L870] RET, EXPR select_one() [L870] __SELECTED_FEATURE_methaneQuery = select_one() [L871] CALL, EXPR select_one() [L853] int retValue_acc ; [L854] int choice = __VERIFIER_nondet_int(); [L857] retValue_acc = choice [L858] 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=17, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, choice=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=1] [L871] RET, EXPR select_one() [L871] __SELECTED_FEATURE_methaneAlarm = select_one() [L872] CALL, EXPR select_one() [L853] int retValue_acc ; [L854] int choice = __VERIFIER_nondet_int(); [L857] retValue_acc = choice [L858] 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=17, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, choice=18, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=18, systemActive=1, waterLevel=1] [L872] RET, EXPR select_one() [L872] __SELECTED_FEATURE_stopCommand = select_one() [L873] CALL, EXPR select_one() [L853] int retValue_acc ; [L854] int choice = __VERIFIER_nondet_int(); [L857] retValue_acc = choice [L858] 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=17, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=18, choice=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=1] [L873] RET, EXPR select_one() [L873] __SELECTED_FEATURE_startCommand = select_one() [L1115] RET select_features() [L1116] CALL, EXPR valid_product() [L887] int retValue_acc ; [L890] retValue_acc = __SELECTED_FEATURE_base [L891] 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=17, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=18, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L1116] RET, EXPR valid_product() [L1116] tmp = valid_product() [L1118] COND TRUE \read(tmp) [L1120] FCALL setup() [L1121] CALL runTest() [L1103] CALL test() [L65] int splverifierCounter ; [L66] int tmp ; [L67] int tmp___0 ; [L68] int tmp___1 ; [L69] int tmp___2 ; [L72] 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=17, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=18, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L74] COND TRUE 1 [L76] COND TRUE splverifierCounter < 4 [L82] tmp = __VERIFIER_nondet_int() [L84] COND FALSE !(\read(tmp)) [L92] tmp___0 = __VERIFIER_nondet_int() [L94] COND FALSE !(\read(tmp___0)) [L102] tmp___2 = __VERIFIER_nondet_int() [L104] COND TRUE \read(tmp___2) [L105] COND FALSE !(\read(__SELECTED_FEATURE_startCommand)) [L129] CALL timeShift() [L158] COND FALSE !(\read(pumpRunning)) [L165] COND TRUE \read(systemActive) [L167] CALL processEnvironment() [L301] COND FALSE !(\read(__SELECTED_FEATURE_methaneAlarm)) [L308] CALL processEnvironment__before__methaneAlarm() [L258] COND FALSE !(\read(__SELECTED_FEATURE_lowWaterSensor)) [L265] CALL processEnvironment__before__lowWaterSensor() [L215] COND FALSE !(\read(__SELECTED_FEATURE_highWaterSensor)) [L222] FCALL processEnvironment__before__highWaterSensor() [L265] RET processEnvironment__before__lowWaterSensor() [L308] RET processEnvironment__before__methaneAlarm() [L167] RET processEnvironment() [L173] CALL __utac_acc__Specification1_spec__1() [L898] int tmp ; [L899] int tmp___0 ; [L903] CALL, EXPR isMethaneLevelCritical() [L963] int retValue_acc ; [L966] retValue_acc = methaneLevelCritical [L967] return (retValue_acc); [L903] RET, EXPR isMethaneLevelCritical() [L903] tmp = isMethaneLevelCritical() [L905] COND FALSE !(\read(tmp)) [L173] RET __utac_acc__Specification1_spec__1() [L129] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2023-11-19 08:04:21,714 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69b4724c-35a8-44b3-9f4e-e264e2bd1dd8/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, 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)