./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_productSimulator_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_811d2531-8e05-4a99-8eb8-bc56a451b2bb/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_811d2531-8e05-4a99-8eb8-bc56a451b2bb/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_811d2531-8e05-4a99-8eb8-bc56a451b2bb/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_811d2531-8e05-4a99-8eb8-bc56a451b2bb/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_productSimulator_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_811d2531-8e05-4a99-8eb8-bc56a451b2bb/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_811d2531-8e05-4a99-8eb8-bc56a451b2bb/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --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 1304284b4caab40fe6d6538fa9425f9c3ae70910 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-01 13:19:40,701 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 13:19:40,702 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 13:19:40,711 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 13:19:40,711 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 13:19:40,712 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 13:19:40,713 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 13:19:40,714 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 13:19:40,715 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 13:19:40,716 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 13:19:40,716 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 13:19:40,716 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 13:19:40,717 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 13:19:40,718 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 13:19:40,719 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 13:19:40,719 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 13:19:40,720 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 13:19:40,721 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 13:19:40,722 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 13:19:40,723 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 13:19:40,724 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 13:19:40,725 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 13:19:40,726 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 13:19:40,727 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 13:19:40,727 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 13:19:40,727 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 13:19:40,728 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 13:19:40,729 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 13:19:40,729 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 13:19:40,730 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 13:19:40,730 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 13:19:40,731 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 13:19:40,731 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 13:19:40,731 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 13:19:40,732 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 13:19:40,732 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 13:19:40,732 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_811d2531-8e05-4a99-8eb8-bc56a451b2bb/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-12-01 13:19:40,744 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 13:19:40,744 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 13:19:40,745 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 13:19:40,745 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 13:19:40,745 INFO L133 SettingsManager]: * Use SBE=true [2018-12-01 13:19:40,745 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-12-01 13:19:40,745 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-12-01 13:19:40,746 INFO L133 SettingsManager]: * Use old map elimination=false [2018-12-01 13:19:40,746 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-12-01 13:19:40,746 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-12-01 13:19:40,746 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-12-01 13:19:40,746 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 13:19:40,746 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 13:19:40,746 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-01 13:19:40,747 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 13:19:40,747 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 13:19:40,747 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 13:19:40,747 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-12-01 13:19:40,747 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-12-01 13:19:40,747 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-12-01 13:19:40,748 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 13:19:40,748 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 13:19:40,748 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-12-01 13:19:40,748 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 13:19:40,748 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-12-01 13:19:40,748 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 13:19:40,748 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-01 13:19:40,749 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-12-01 13:19:40,749 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 13:19:40,749 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-01 13:19:40,749 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-12-01 13:19:40,750 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-12-01 13:19:40,750 INFO L133 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-vcloud-master/worker/working_dir_811d2531-8e05-4a99-8eb8-bc56a451b2bb/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml 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 -> 1304284b4caab40fe6d6538fa9425f9c3ae70910 [2018-12-01 13:19:40,772 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 13:19:40,779 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 13:19:40,781 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 13:19:40,781 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 13:19:40,782 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 13:19:40,782 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_811d2531-8e05-4a99-8eb8-bc56a451b2bb/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec5_productSimulator_true-unreach-call_false-termination.cil.c [2018-12-01 13:19:40,817 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_811d2531-8e05-4a99-8eb8-bc56a451b2bb/bin-2019/uautomizer/data/da6420d9c/a34d0ba2ba404937bd11eeeaa1059f9d/FLAGd0a12c1ba [2018-12-01 13:19:41,251 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 13:19:41,252 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_811d2531-8e05-4a99-8eb8-bc56a451b2bb/sv-benchmarks/c/product-lines/minepump_spec5_productSimulator_true-unreach-call_false-termination.cil.c [2018-12-01 13:19:41,259 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_811d2531-8e05-4a99-8eb8-bc56a451b2bb/bin-2019/uautomizer/data/da6420d9c/a34d0ba2ba404937bd11eeeaa1059f9d/FLAGd0a12c1ba [2018-12-01 13:19:41,268 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_811d2531-8e05-4a99-8eb8-bc56a451b2bb/bin-2019/uautomizer/data/da6420d9c/a34d0ba2ba404937bd11eeeaa1059f9d [2018-12-01 13:19:41,270 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 13:19:41,271 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 13:19:41,272 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 13:19:41,272 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 13:19:41,275 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 13:19:41,275 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 01:19:41" (1/1) ... [2018-12-01 13:19:41,278 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cc82c98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:19:41, skipping insertion in model container [2018-12-01 13:19:41,278 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 01:19:41" (1/1) ... [2018-12-01 13:19:41,284 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 13:19:41,313 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 13:19:41,500 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 13:19:41,548 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 13:19:41,589 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 13:19:41,609 INFO L195 MainTranslator]: Completed translation [2018-12-01 13:19:41,609 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:19:41 WrapperNode [2018-12-01 13:19:41,609 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 13:19:41,610 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 13:19:41,610 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 13:19:41,610 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 13:19:41,615 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:19:41" (1/1) ... [2018-12-01 13:19:41,625 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:19:41" (1/1) ... [2018-12-01 13:19:41,666 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 13:19:41,666 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 13:19:41,667 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 13:19:41,667 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 13:19:41,672 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:19:41" (1/1) ... [2018-12-01 13:19:41,673 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:19:41" (1/1) ... [2018-12-01 13:19:41,678 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:19:41" (1/1) ... [2018-12-01 13:19:41,678 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:19:41" (1/1) ... [2018-12-01 13:19:41,692 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:19:41" (1/1) ... [2018-12-01 13:19:41,703 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:19:41" (1/1) ... [2018-12-01 13:19:41,707 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:19:41" (1/1) ... [2018-12-01 13:19:41,711 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 13:19:41,712 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 13:19:41,712 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 13:19:41,712 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 13:19:41,712 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:19:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_811d2531-8e05-4a99-8eb8-bc56a451b2bb/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-01 13:19:41,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-01 13:19:41,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-01 13:19:41,748 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 13:19:41,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 13:19:42,448 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 13:19:42,448 INFO L280 CfgBuilder]: Removed 914 assue(true) statements. [2018-12-01 13:19:42,448 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 01:19:42 BoogieIcfgContainer [2018-12-01 13:19:42,449 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 13:19:42,449 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-12-01 13:19:42,449 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-12-01 13:19:42,452 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-12-01 13:19:42,453 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-01 13:19:42,453 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.12 01:19:41" (1/3) ... [2018-12-01 13:19:42,454 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@139c49ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.12 01:19:42, skipping insertion in model container [2018-12-01 13:19:42,454 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-01 13:19:42,454 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:19:41" (2/3) ... [2018-12-01 13:19:42,454 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@139c49ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.12 01:19:42, skipping insertion in model container [2018-12-01 13:19:42,455 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-01 13:19:42,455 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 01:19:42" (3/3) ... [2018-12-01 13:19:42,456 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_productSimulator_true-unreach-call_false-termination.cil.c [2018-12-01 13:19:42,490 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-01 13:19:42,490 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-12-01 13:19:42,491 INFO L375 BuchiCegarLoop]: Hoare is false [2018-12-01 13:19:42,491 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-12-01 13:19:42,491 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-01 13:19:42,491 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-01 13:19:42,491 INFO L379 BuchiCegarLoop]: Difference is false [2018-12-01 13:19:42,491 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-01 13:19:42,491 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-12-01 13:19:42,508 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 476 states. [2018-12-01 13:19:42,534 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 311 [2018-12-01 13:19:42,534 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-01 13:19:42,534 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-01 13:19:42,540 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 13:19:42,540 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 13:19:42,540 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-12-01 13:19:42,540 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 476 states. [2018-12-01 13:19:42,548 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 311 [2018-12-01 13:19:42,548 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-01 13:19:42,548 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-01 13:19:42,549 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 13:19:42,549 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 13:19:42,554 INFO L794 eck$LassoCheckResult]: Stem: 309#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~__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;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string1.base, #t~string1.offset := #Ultimate.alloc(13);call #t~string3.base, #t~string3.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;call #t~string36.base, #t~string36.offset := #Ultimate.alloc(30);call #t~string37.base, #t~string37.offset := #Ultimate.alloc(9);call #t~string38.base, #t~string38.offset := #Ultimate.alloc(21);call #t~string39.base, #t~string39.offset := #Ultimate.alloc(30);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(9);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(21);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(30);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(9);call #t~string47.base, #t~string47.offset := #Ultimate.alloc(25);call #t~string48.base, #t~string48.offset := #Ultimate.alloc(30);call #t~string49.base, #t~string49.offset := #Ultimate.alloc(9);call #t~string50.base, #t~string50.offset := #Ultimate.alloc(25);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string63.base, #t~string63.offset := #Ultimate.alloc(13);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(110, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(102, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(102, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 3 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string69.base, #t~string69.offset, 1);call write~init~int(80, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(117, #t~string69.base, 2 + #t~string69.offset, 1);call write~init~int(109, #t~string69.base, 3 + #t~string69.offset, 1);call write~init~int(112, #t~string69.base, 4 + #t~string69.offset, 1);call write~init~int(58, #t~string69.base, 5 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 6 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string71.base, #t~string71.offset, 1);call write~init~int(110, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 2 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string73.base, #t~string73.offset, 1);call write~init~int(102, #t~string73.base, 1 + #t~string73.offset, 1);call write~init~int(102, #t~string73.base, 2 + #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 3 + #t~string73.offset, 1);call #t~string75.base, #t~string75.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string75.base, #t~string75.offset, 1);call write~init~int(32, #t~string75.base, 1 + #t~string75.offset, 1);call write~init~int(0, #t~string75.base, 2 + #t~string75.offset, 1);call #t~string77.base, #t~string77.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string77.base, #t~string77.offset, 1);call write~init~int(0, #t~string77.base, 1 + #t~string77.offset, 1);~switchedOnBeforeTS~0 := 0; 232#L-1true havoc main_#res;havoc main_#t~ret10, main_~retValue_acc~4, main_~tmp~0;havoc main_~retValue_acc~4;havoc main_~tmp~0;~__GUIDSL_ROOT_PRODUCTION~0 := 1; 264#L295true havoc select_features_#t~ret12, select_features_#t~ret13, select_features_#t~ret14, select_features_#t~ret15, select_features_#t~ret16, select_features_#t~ret17;~__SELECTED_FEATURE_base~0 := 1;havoc select_one_#res;havoc select_one_#t~nondet11, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet11;havoc select_one_#t~nondet11;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 76#L270true select_features_#t~ret12 := select_one_#res;~__SELECTED_FEATURE_highWaterSensor~0 := select_features_#t~ret12;havoc select_features_#t~ret12;havoc select_one_#res;havoc select_one_#t~nondet11, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet11;havoc select_one_#t~nondet11;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 74#L270-1true select_features_#t~ret13 := select_one_#res;~__SELECTED_FEATURE_lowWaterSensor~0 := select_features_#t~ret13;havoc select_features_#t~ret13;havoc select_one_#res;havoc select_one_#t~nondet11, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet11;havoc select_one_#t~nondet11;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 72#L270-2true select_features_#t~ret14 := select_one_#res;~__SELECTED_FEATURE_methaneQuery~0 := select_features_#t~ret14;havoc select_features_#t~ret14;havoc select_one_#res;havoc select_one_#t~nondet11, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet11;havoc select_one_#t~nondet11;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 70#L270-3true select_features_#t~ret15 := select_one_#res;~__SELECTED_FEATURE_methaneAlarm~0 := select_features_#t~ret15;havoc select_features_#t~ret15;havoc select_one_#res;havoc select_one_#t~nondet11, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet11;havoc select_one_#t~nondet11;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 68#L270-4true select_features_#t~ret16 := select_one_#res;~__SELECTED_FEATURE_stopCommand~0 := select_features_#t~ret16;havoc select_features_#t~ret16;havoc select_one_#res;havoc select_one_#t~nondet11, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet11;havoc select_one_#t~nondet11;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 398#L270-5true select_features_#t~ret17 := select_one_#res;~__SELECTED_FEATURE_startCommand~0 := select_features_#t~ret17;havoc select_features_#t~ret17; 170#L287true havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := ~__SELECTED_FEATURE_base~0;valid_product_#res := valid_product_~retValue_acc~6; 62#L303true main_#t~ret10 := valid_product_#res;main_~tmp~0 := main_#t~ret10;havoc main_#t~ret10; 391#L249true assume 0 != main_~tmp~0; 302#L220true ~switchedOnBeforeTS~0 := 0; 401#L1107true havoc test_#t~nondet53, test_#t~nondet54, test_#t~nondet55, test_#t~nondet56, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 101#L1128-1true [2018-12-01 13:19:42,555 INFO L796 eck$LassoCheckResult]: Loop: 101#L1128-1true assume !false; 198#L696true assume test_~splverifierCounter~0 < 4; 52#L697true test_~tmp~4 := test_#t~nondet53;havoc test_#t~nondet53; 286#L705true assume !(0 != test_~tmp~4); 289#L705-1true test_~tmp___0~0 := test_#t~nondet54;havoc test_#t~nondet54; 348#L715true assume !(0 != test_~tmp___0~0); 352#L715-1true test_~tmp___2~0 := test_#t~nondet55;havoc test_#t~nondet55; 256#L725true assume !(0 != test_~tmp___2~0);test_~tmp___1~0 := test_#t~nondet56;havoc test_#t~nondet56; 345#L737true assume !(0 != test_~tmp___1~0); 349#L737-1true havoc __utac_acc__Specification5_spec__2_#t~ret80;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~11;havoc isPumpRunning_~retValue_acc~11;isPumpRunning_~retValue_acc~11 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~11; 453#L999true __utac_acc__Specification5_spec__2_#t~ret80 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret80;havoc __utac_acc__Specification5_spec__2_#t~ret80; 98#L1117true assume !(0 != ~pumpRunning~0); 392#L777true assume !(0 != ~systemActive~0); 208#L784true havoc __utac_acc__Specification5_spec__3_#t~ret81, __utac_acc__Specification5_spec__3_#t~ret82, __utac_acc__Specification5_spec__3_~tmp~11, __utac_acc__Specification5_spec__3_~tmp___0~3;havoc __utac_acc__Specification5_spec__3_~tmp~11;havoc __utac_acc__Specification5_spec__3_~tmp___0~3;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; 239#L131true __utac_acc__Specification5_spec__3_#t~ret81 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~11 := __utac_acc__Specification5_spec__3_#t~ret81;havoc __utac_acc__Specification5_spec__3_#t~ret81; 100#L1128true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~11); 101#L1128-1true [2018-12-01 13:19:42,559 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 13:19:42,559 INFO L82 PathProgramCache]: Analyzing trace with hash 527832624, now seen corresponding path program 1 times [2018-12-01 13:19:42,560 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 13:19:42,560 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 13:19:42,594 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 13:19:42,594 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 13:19:42,595 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 13:19:42,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 13:19:42,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 13:19:42,710 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 13:19:42,710 INFO L82 PathProgramCache]: Analyzing trace with hash -1119275952, now seen corresponding path program 1 times [2018-12-01 13:19:42,711 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 13:19:42,711 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 13:19:42,711 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 13:19:42,711 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 13:19:42,711 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 13:19:42,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 13:19:42,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 13:19:42,720 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 13:19:42,720 INFO L82 PathProgramCache]: Analyzing trace with hash -1727853441, now seen corresponding path program 1 times [2018-12-01 13:19:42,720 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 13:19:42,721 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 13:19:42,721 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 13:19:42,721 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 13:19:42,721 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 13:19:42,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:19:42,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 13:19:42,822 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 13:19:42,822 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-01 13:19:42,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-01 13:19:42,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-01 13:19:42,910 INFO L87 Difference]: Start difference. First operand 476 states. Second operand 7 states. [2018-12-01 13:19:43,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 13:19:43,098 INFO L93 Difference]: Finished difference Result 1460 states and 2253 transitions. [2018-12-01 13:19:43,099 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-01 13:19:43,100 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1460 states and 2253 transitions. [2018-12-01 13:19:43,121 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 966 [2018-12-01 13:19:43,132 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1460 states to 1432 states and 2225 transitions. [2018-12-01 13:19:43,132 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1432 [2018-12-01 13:19:43,135 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1432 [2018-12-01 13:19:43,135 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1432 states and 2225 transitions. [2018-12-01 13:19:43,140 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-12-01 13:19:43,141 INFO L705 BuchiCegarLoop]: Abstraction has 1432 states and 2225 transitions. [2018-12-01 13:19:43,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1432 states and 2225 transitions. [2018-12-01 13:19:43,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1432 to 520. [2018-12-01 13:19:43,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 520 states. [2018-12-01 13:19:43,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 520 states and 800 transitions. [2018-12-01 13:19:43,187 INFO L728 BuchiCegarLoop]: Abstraction has 520 states and 800 transitions. [2018-12-01 13:19:43,187 INFO L608 BuchiCegarLoop]: Abstraction has 520 states and 800 transitions. [2018-12-01 13:19:43,187 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-12-01 13:19:43,187 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 520 states and 800 transitions. [2018-12-01 13:19:43,189 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 348 [2018-12-01 13:19:43,189 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-01 13:19:43,189 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-01 13:19:43,189 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 13:19:43,190 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 13:19:43,190 INFO L794 eck$LassoCheckResult]: Stem: 2383#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~__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;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string1.base, #t~string1.offset := #Ultimate.alloc(13);call #t~string3.base, #t~string3.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;call #t~string36.base, #t~string36.offset := #Ultimate.alloc(30);call #t~string37.base, #t~string37.offset := #Ultimate.alloc(9);call #t~string38.base, #t~string38.offset := #Ultimate.alloc(21);call #t~string39.base, #t~string39.offset := #Ultimate.alloc(30);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(9);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(21);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(30);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(9);call #t~string47.base, #t~string47.offset := #Ultimate.alloc(25);call #t~string48.base, #t~string48.offset := #Ultimate.alloc(30);call #t~string49.base, #t~string49.offset := #Ultimate.alloc(9);call #t~string50.base, #t~string50.offset := #Ultimate.alloc(25);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string63.base, #t~string63.offset := #Ultimate.alloc(13);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(110, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(102, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(102, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 3 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string69.base, #t~string69.offset, 1);call write~init~int(80, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(117, #t~string69.base, 2 + #t~string69.offset, 1);call write~init~int(109, #t~string69.base, 3 + #t~string69.offset, 1);call write~init~int(112, #t~string69.base, 4 + #t~string69.offset, 1);call write~init~int(58, #t~string69.base, 5 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 6 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string71.base, #t~string71.offset, 1);call write~init~int(110, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 2 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string73.base, #t~string73.offset, 1);call write~init~int(102, #t~string73.base, 1 + #t~string73.offset, 1);call write~init~int(102, #t~string73.base, 2 + #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 3 + #t~string73.offset, 1);call #t~string75.base, #t~string75.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string75.base, #t~string75.offset, 1);call write~init~int(32, #t~string75.base, 1 + #t~string75.offset, 1);call write~init~int(0, #t~string75.base, 2 + #t~string75.offset, 1);call #t~string77.base, #t~string77.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string77.base, #t~string77.offset, 1);call write~init~int(0, #t~string77.base, 1 + #t~string77.offset, 1);~switchedOnBeforeTS~0 := 0; 2310#L-1 havoc main_#res;havoc main_#t~ret10, main_~retValue_acc~4, main_~tmp~0;havoc main_~retValue_acc~4;havoc main_~tmp~0;~__GUIDSL_ROOT_PRODUCTION~0 := 1; 2311#L295 havoc select_features_#t~ret12, select_features_#t~ret13, select_features_#t~ret14, select_features_#t~ret15, select_features_#t~ret16, select_features_#t~ret17;~__SELECTED_FEATURE_base~0 := 1;havoc select_one_#res;havoc select_one_#t~nondet11, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet11;havoc select_one_#t~nondet11;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 2094#L270 select_features_#t~ret12 := select_one_#res;~__SELECTED_FEATURE_highWaterSensor~0 := select_features_#t~ret12;havoc select_features_#t~ret12;havoc select_one_#res;havoc select_one_#t~nondet11, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet11;havoc select_one_#t~nondet11;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 2091#L270-1 select_features_#t~ret13 := select_one_#res;~__SELECTED_FEATURE_lowWaterSensor~0 := select_features_#t~ret13;havoc select_features_#t~ret13;havoc select_one_#res;havoc select_one_#t~nondet11, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet11;havoc select_one_#t~nondet11;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 2088#L270-2 select_features_#t~ret14 := select_one_#res;~__SELECTED_FEATURE_methaneQuery~0 := select_features_#t~ret14;havoc select_features_#t~ret14;havoc select_one_#res;havoc select_one_#t~nondet11, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet11;havoc select_one_#t~nondet11;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 2085#L270-3 select_features_#t~ret15 := select_one_#res;~__SELECTED_FEATURE_methaneAlarm~0 := select_features_#t~ret15;havoc select_features_#t~ret15;havoc select_one_#res;havoc select_one_#t~nondet11, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet11;havoc select_one_#t~nondet11;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 2081#L270-4 select_features_#t~ret16 := select_one_#res;~__SELECTED_FEATURE_stopCommand~0 := select_features_#t~ret16;havoc select_features_#t~ret16;havoc select_one_#res;havoc select_one_#t~nondet11, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet11;havoc select_one_#t~nondet11;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 2082#L270-5 select_features_#t~ret17 := select_one_#res;~__SELECTED_FEATURE_startCommand~0 := select_features_#t~ret17;havoc select_features_#t~ret17; 2244#L287 havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := ~__SELECTED_FEATURE_base~0;valid_product_#res := valid_product_~retValue_acc~6; 2068#L303 main_#t~ret10 := valid_product_#res;main_~tmp~0 := main_#t~ret10;havoc main_#t~ret10; 2069#L249 assume 0 != main_~tmp~0; 2377#L220 ~switchedOnBeforeTS~0 := 0; 2378#L1107 havoc test_#t~nondet53, test_#t~nondet54, test_#t~nondet55, test_#t~nondet56, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 2144#L1128-1 [2018-12-01 13:19:43,190 INFO L796 eck$LassoCheckResult]: Loop: 2144#L1128-1 assume !false; 2145#L696 assume test_~splverifierCounter~0 < 4; 2050#L697 test_~tmp~4 := test_#t~nondet53;havoc test_#t~nondet53; 2051#L705 assume !(0 != test_~tmp~4); 2364#L705-1 test_~tmp___0~0 := test_#t~nondet54;havoc test_#t~nondet54; 2368#L715 assume !(0 != test_~tmp___0~0); 2355#L715-1 test_~tmp___2~0 := test_#t~nondet55;havoc test_#t~nondet55; 2332#L725 assume !(0 != test_~tmp___2~0);test_~tmp___1~0 := test_#t~nondet56;havoc test_#t~nondet56; 2333#L737 assume !(0 != test_~tmp___1~0); 2362#L737-1 havoc __utac_acc__Specification5_spec__2_#t~ret80;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~11;havoc isPumpRunning_~retValue_acc~11;isPumpRunning_~retValue_acc~11 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~11; 2399#L999 __utac_acc__Specification5_spec__2_#t~ret80 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret80;havoc __utac_acc__Specification5_spec__2_#t~ret80; 2137#L1117 assume !(0 != ~pumpRunning~0); 2139#L777 assume 0 != ~systemActive~0; 2411#L920 assume !(0 != ~__SELECTED_FEATURE_methaneAlarm~0); 2407#L877-2 assume !(0 != ~__SELECTED_FEATURE_lowWaterSensor~0); 2408#L834-8 assume !(0 != ~__SELECTED_FEATURE_highWaterSensor~0); 1990#L784 havoc __utac_acc__Specification5_spec__3_#t~ret81, __utac_acc__Specification5_spec__3_#t~ret82, __utac_acc__Specification5_spec__3_~tmp~11, __utac_acc__Specification5_spec__3_~tmp___0~3;havoc __utac_acc__Specification5_spec__3_~tmp~11;havoc __utac_acc__Specification5_spec__3_~tmp___0~3;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; 2285#L131 __utac_acc__Specification5_spec__3_#t~ret81 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~11 := __utac_acc__Specification5_spec__3_#t~ret81;havoc __utac_acc__Specification5_spec__3_#t~ret81; 2142#L1128 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~11); 2144#L1128-1 [2018-12-01 13:19:43,191 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 13:19:43,191 INFO L82 PathProgramCache]: Analyzing trace with hash 527832624, now seen corresponding path program 2 times [2018-12-01 13:19:43,191 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 13:19:43,192 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 13:19:43,192 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 13:19:43,192 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 13:19:43,192 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 13:19:43,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 13:19:43,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 13:19:43,229 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 13:19:43,229 INFO L82 PathProgramCache]: Analyzing trace with hash 1823094131, now seen corresponding path program 1 times [2018-12-01 13:19:43,230 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 13:19:43,230 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 13:19:43,230 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 13:19:43,230 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-01 13:19:43,231 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 13:19:43,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 13:19:43,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 13:19:43,238 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 13:19:43,238 INFO L82 PathProgramCache]: Analyzing trace with hash 748075748, now seen corresponding path program 1 times [2018-12-01 13:19:43,238 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 13:19:43,238 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 13:19:43,239 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 13:19:43,239 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 13:19:43,239 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 13:19:43,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:19:43,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 13:19:43,284 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 13:19:43,284 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-01 13:19:43,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-01 13:19:43,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-01 13:19:43,344 INFO L87 Difference]: Start difference. First operand 520 states and 800 transitions. cyclomatic complexity: 283 Second operand 5 states. [2018-12-01 13:19:43,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 13:19:43,593 INFO L93 Difference]: Finished difference Result 1767 states and 2691 transitions. [2018-12-01 13:19:43,594 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-01 13:19:43,594 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1767 states and 2691 transitions. [2018-12-01 13:19:43,605 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 690 [2018-12-01 13:19:43,610 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1767 states to 1767 states and 2691 transitions. [2018-12-01 13:19:43,610 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1767 [2018-12-01 13:19:43,611 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1767 [2018-12-01 13:19:43,611 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1767 states and 2691 transitions. [2018-12-01 13:19:43,613 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-12-01 13:19:43,613 INFO L705 BuchiCegarLoop]: Abstraction has 1767 states and 2691 transitions. [2018-12-01 13:19:43,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1767 states and 2691 transitions. [2018-12-01 13:19:43,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1767 to 1026. [2018-12-01 13:19:43,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1026 states. [2018-12-01 13:19:43,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1026 states to 1026 states and 1545 transitions. [2018-12-01 13:19:43,627 INFO L728 BuchiCegarLoop]: Abstraction has 1026 states and 1545 transitions. [2018-12-01 13:19:43,627 INFO L608 BuchiCegarLoop]: Abstraction has 1026 states and 1545 transitions. [2018-12-01 13:19:43,628 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-12-01 13:19:43,628 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1026 states and 1545 transitions. [2018-12-01 13:19:43,630 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 690 [2018-12-01 13:19:43,631 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-01 13:19:43,631 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-01 13:19:43,631 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 13:19:43,632 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 13:19:43,632 INFO L794 eck$LassoCheckResult]: Stem: 4703#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~__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;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string1.base, #t~string1.offset := #Ultimate.alloc(13);call #t~string3.base, #t~string3.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;call #t~string36.base, #t~string36.offset := #Ultimate.alloc(30);call #t~string37.base, #t~string37.offset := #Ultimate.alloc(9);call #t~string38.base, #t~string38.offset := #Ultimate.alloc(21);call #t~string39.base, #t~string39.offset := #Ultimate.alloc(30);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(9);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(21);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(30);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(9);call #t~string47.base, #t~string47.offset := #Ultimate.alloc(25);call #t~string48.base, #t~string48.offset := #Ultimate.alloc(30);call #t~string49.base, #t~string49.offset := #Ultimate.alloc(9);call #t~string50.base, #t~string50.offset := #Ultimate.alloc(25);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string63.base, #t~string63.offset := #Ultimate.alloc(13);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(110, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(102, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(102, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 3 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string69.base, #t~string69.offset, 1);call write~init~int(80, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(117, #t~string69.base, 2 + #t~string69.offset, 1);call write~init~int(109, #t~string69.base, 3 + #t~string69.offset, 1);call write~init~int(112, #t~string69.base, 4 + #t~string69.offset, 1);call write~init~int(58, #t~string69.base, 5 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 6 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string71.base, #t~string71.offset, 1);call write~init~int(110, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 2 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string73.base, #t~string73.offset, 1);call write~init~int(102, #t~string73.base, 1 + #t~string73.offset, 1);call write~init~int(102, #t~string73.base, 2 + #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 3 + #t~string73.offset, 1);call #t~string75.base, #t~string75.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string75.base, #t~string75.offset, 1);call write~init~int(32, #t~string75.base, 1 + #t~string75.offset, 1);call write~init~int(0, #t~string75.base, 2 + #t~string75.offset, 1);call #t~string77.base, #t~string77.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string77.base, #t~string77.offset, 1);call write~init~int(0, #t~string77.base, 1 + #t~string77.offset, 1);~switchedOnBeforeTS~0 := 0; 4622#L-1 havoc main_#res;havoc main_#t~ret10, main_~retValue_acc~4, main_~tmp~0;havoc main_~retValue_acc~4;havoc main_~tmp~0;~__GUIDSL_ROOT_PRODUCTION~0 := 1; 4623#L295 havoc select_features_#t~ret12, select_features_#t~ret13, select_features_#t~ret14, select_features_#t~ret15, select_features_#t~ret16, select_features_#t~ret17;~__SELECTED_FEATURE_base~0 := 1;havoc select_one_#res;havoc select_one_#t~nondet11, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet11;havoc select_one_#t~nondet11;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 4397#L270 select_features_#t~ret12 := select_one_#res;~__SELECTED_FEATURE_highWaterSensor~0 := select_features_#t~ret12;havoc select_features_#t~ret12;havoc select_one_#res;havoc select_one_#t~nondet11, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet11;havoc select_one_#t~nondet11;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 4394#L270-1 select_features_#t~ret13 := select_one_#res;~__SELECTED_FEATURE_lowWaterSensor~0 := select_features_#t~ret13;havoc select_features_#t~ret13;havoc select_one_#res;havoc select_one_#t~nondet11, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet11;havoc select_one_#t~nondet11;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 4391#L270-2 select_features_#t~ret14 := select_one_#res;~__SELECTED_FEATURE_methaneQuery~0 := select_features_#t~ret14;havoc select_features_#t~ret14;havoc select_one_#res;havoc select_one_#t~nondet11, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet11;havoc select_one_#t~nondet11;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 4388#L270-3 select_features_#t~ret15 := select_one_#res;~__SELECTED_FEATURE_methaneAlarm~0 := select_features_#t~ret15;havoc select_features_#t~ret15;havoc select_one_#res;havoc select_one_#t~nondet11, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet11;havoc select_one_#t~nondet11;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 4384#L270-4 select_features_#t~ret16 := select_one_#res;~__SELECTED_FEATURE_stopCommand~0 := select_features_#t~ret16;havoc select_features_#t~ret16;havoc select_one_#res;havoc select_one_#t~nondet11, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet11;havoc select_one_#t~nondet11;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 4385#L270-5 select_features_#t~ret17 := select_one_#res;~__SELECTED_FEATURE_startCommand~0 := select_features_#t~ret17;havoc select_features_#t~ret17; 4550#L287 havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := ~__SELECTED_FEATURE_base~0;valid_product_#res := valid_product_~retValue_acc~6; 4371#L303 main_#t~ret10 := valid_product_#res;main_~tmp~0 := main_#t~ret10;havoc main_#t~ret10; 4372#L249 assume 0 != main_~tmp~0; 4696#L220 ~switchedOnBeforeTS~0 := 0; 4697#L1107 havoc test_#t~nondet53, test_#t~nondet54, test_#t~nondet55, test_#t~nondet56, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 4448#L1128-1 [2018-12-01 13:19:43,632 INFO L796 eck$LassoCheckResult]: Loop: 4448#L1128-1 assume !false; 4449#L696 assume test_~splverifierCounter~0 < 4; 5119#L697 test_~tmp~4 := test_#t~nondet53;havoc test_#t~nondet53; 5118#L705 assume !(0 != test_~tmp~4); 5117#L705-1 test_~tmp___0~0 := test_#t~nondet54;havoc test_#t~nondet54; 5116#L715 assume !(0 != test_~tmp___0~0); 5114#L715-1 test_~tmp___2~0 := test_#t~nondet55;havoc test_#t~nondet55; 5112#L725 assume !(0 != test_~tmp___2~0);test_~tmp___1~0 := test_#t~nondet56;havoc test_#t~nondet56; 5111#L737 assume !(0 != test_~tmp___1~0); 5096#L737-1 havoc __utac_acc__Specification5_spec__2_#t~ret80;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~11;havoc isPumpRunning_~retValue_acc~11;isPumpRunning_~retValue_acc~11 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~11; 5251#L999 __utac_acc__Specification5_spec__2_#t~ret80 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret80;havoc __utac_acc__Specification5_spec__2_#t~ret80; 5250#L1117 assume !(0 != ~pumpRunning~0); 4745#L777 assume 0 != ~systemActive~0; 4746#L920 assume !(0 != ~__SELECTED_FEATURE_methaneAlarm~0); 4751#L877-2 assume !(0 != ~__SELECTED_FEATURE_lowWaterSensor~0); 5197#L834-8 assume !(0 != ~__SELECTED_FEATURE_highWaterSensor~0); 4415#L784 havoc __utac_acc__Specification5_spec__3_#t~ret81, __utac_acc__Specification5_spec__3_#t~ret82, __utac_acc__Specification5_spec__3_~tmp~11, __utac_acc__Specification5_spec__3_~tmp___0~3;havoc __utac_acc__Specification5_spec__3_~tmp~11;havoc __utac_acc__Specification5_spec__3_~tmp___0~3;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; 5136#L131 __utac_acc__Specification5_spec__3_#t~ret81 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~11 := __utac_acc__Specification5_spec__3_#t~ret81;havoc __utac_acc__Specification5_spec__3_#t~ret81; 4446#L1128 assume 2 != __utac_acc__Specification5_spec__3_~tmp~11;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~11;havoc isPumpRunning_~retValue_acc~11;isPumpRunning_~retValue_acc~11 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~11; 4447#L999-1 __utac_acc__Specification5_spec__3_#t~ret82 := isPumpRunning_#res;__utac_acc__Specification5_spec__3_~tmp___0~3 := __utac_acc__Specification5_spec__3_#t~ret82;havoc __utac_acc__Specification5_spec__3_#t~ret82; 4661#L1132 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~3); 4448#L1128-1 [2018-12-01 13:19:43,632 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 13:19:43,632 INFO L82 PathProgramCache]: Analyzing trace with hash 527832624, now seen corresponding path program 3 times [2018-12-01 13:19:43,632 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 13:19:43,633 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 13:19:43,633 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 13:19:43,633 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 13:19:43,634 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 13:19:43,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 13:19:43,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 13:19:43,655 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 13:19:43,656 INFO L82 PathProgramCache]: Analyzing trace with hash -353190610, now seen corresponding path program 1 times [2018-12-01 13:19:43,656 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 13:19:43,656 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 13:19:43,656 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 13:19:43,657 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-01 13:19:43,657 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 13:19:43,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 13:19:43,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 13:19:43,661 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 13:19:43,662 INFO L82 PathProgramCache]: Analyzing trace with hash 1641261663, now seen corresponding path program 1 times [2018-12-01 13:19:43,662 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 13:19:43,662 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 13:19:43,662 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 13:19:43,662 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 13:19:43,663 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 13:19:43,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 13:19:43,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 13:19:50,171 WARN L180 SmtUtils]: Spent 6.38 s on a formula simplification. DAG size of input: 491 DAG size of output: 489 [2018-12-01 13:19:52,974 WARN L180 SmtUtils]: Spent 2.80 s on a formula simplification that was a NOOP. DAG size: 436 [2018-12-01 13:19:53,008 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.12 01:19:53 BoogieIcfgContainer [2018-12-01 13:19:53,008 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-12-01 13:19:53,008 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 13:19:53,008 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 13:19:53,008 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 13:19:53,009 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 01:19:42" (3/4) ... [2018-12-01 13:19:53,011 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-12-01 13:19:53,045 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_811d2531-8e05-4a99-8eb8-bc56a451b2bb/bin-2019/uautomizer/witness.graphml [2018-12-01 13:19:53,045 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 13:19:53,046 INFO L168 Benchmark]: Toolchain (without parser) took 11775.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 210.8 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -137.8 MB). Peak memory consumption was 73.0 MB. Max. memory is 11.5 GB. [2018-12-01 13:19:53,046 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 13:19:53,047 INFO L168 Benchmark]: CACSL2BoogieTranslator took 337.74 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.4 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -152.3 MB). Peak memory consumption was 30.4 MB. Max. memory is 11.5 GB. [2018-12-01 13:19:53,047 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.65 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-01 13:19:53,047 INFO L168 Benchmark]: Boogie Preprocessor took 45.07 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-12-01 13:19:53,047 INFO L168 Benchmark]: RCFGBuilder took 736.90 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 938.8 MB in the end (delta: 140.0 MB). Peak memory consumption was 140.0 MB. Max. memory is 11.5 GB. [2018-12-01 13:19:53,047 INFO L168 Benchmark]: BuchiAutomizer took 10558.95 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 94.4 MB). Free memory was 938.8 MB in the beginning and 1.1 GB in the end (delta: -149.6 MB). Peak memory consumption was 220.2 MB. Max. memory is 11.5 GB. [2018-12-01 13:19:53,048 INFO L168 Benchmark]: Witness Printer took 37.26 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 13:19:53,049 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 337.74 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.4 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -152.3 MB). Peak memory consumption was 30.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 56.65 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 45.07 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 736.90 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 938.8 MB in the end (delta: 140.0 MB). Peak memory consumption was 140.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 10558.95 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 94.4 MB). Free memory was 938.8 MB in the beginning and 1.1 GB in the end (delta: -149.6 MB). Peak memory consumption was 220.2 MB. Max. memory is 11.5 GB. * Witness Printer took 37.26 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 7 locations. The remainder module has 1026 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 10.5s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 9.8s. Construction of modules took 0.2s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 1653 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 1026 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 2084 SDtfs, 7638 SDslu, 7998 SDs, 0 SdLazy, 371 SolverSat, 60 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 695]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {NULL=0, NULL=16, NULL=0, NULL=0, NULL=37, NULL=27, NULL=0, NULL=0, NULL=22, NULL=36, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1a8fa345=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@47172f90=0, methaneLevelCritical=0, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@751a10b1=0, NULL=0, tmp___1=0, NULL=40, NULL=45, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@761ec7d5=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7ad556b2=0, cleanupTimeShifts=4, retValue_acc=0, NULL=26, waterLevel=1, NULL=0, __SELECTED_FEATURE_methaneAlarm=0, NULL=0, tmp___0=0, \result=1, retValue_acc=1, head=0, pumpRunning=0, tmp=1, NULL=0, tmp=1, NULL=0, NULL=0, NULL=33, NULL=0, __SELECTED_FEATURE_stopCommand=0, NULL=0, NULL=31, NULL=35, head=0, NULL=0, NULL=0, choice=56, NULL=0, \result=56, __SELECTED_FEATURE_base=1, NULL=0, retValue_acc=0, NULL=39, NULL=24, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@69ebd8da=0, NULL=23, __GUIDSL_ROOT_PRODUCTION=1, NULL=0, NULL=0, NULL=15, switchedOnBeforeTS=0, NULL=17, \result=0, NULL=0, systemActive=1, NULL=18, \result=1, NULL=29, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1db48d22=0, __SELECTED_FEATURE_lowWaterSensor=0, NULL=0, NULL=38, \result=0, retValue_acc=56, tmp___0=0, __SELECTED_FEATURE_highWaterSensor=0, NULL=28, retValue_acc=1, NULL=42, __SELECTED_FEATURE_methaneQuery=0, NULL=19, tmp___2=0, splverifierCounter=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6a483926=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1ef6ffb4=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@31a7bd2a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2061af8b=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5a323d6a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@60b84bd6=0, __SELECTED_FEATURE_startCommand=56, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@629f659d=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@225b9fc5=0, NULL=34, NULL=20, NULL=0, NULL=43} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L40] int __SELECTED_FEATURE_base ; [L41] int __SELECTED_FEATURE_highWaterSensor ; [L42] int __SELECTED_FEATURE_lowWaterSensor ; [L43] int __SELECTED_FEATURE_methaneQuery ; [L44] int __SELECTED_FEATURE_methaneAlarm ; [L45] int __SELECTED_FEATURE_stopCommand ; [L46] int __SELECTED_FEATURE_startCommand ; [L47] int __GUIDSL_ROOT_PRODUCTION ; [L56] int waterLevel = 1; [L57] int methaneLevelCritical = 0; [L159] int cleanupTimeShifts = 4; [L486] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L765] int pumpRunning = 0; [L766] int systemActive = 1; [L1101] int switchedOnBeforeTS ; [L240] int retValue_acc ; [L241] int tmp ; [L294] __GUIDSL_ROOT_PRODUCTION = 1 [L279] __SELECTED_FEATURE_base = 1 [L265] int retValue_acc ; [L266] int choice = __VERIFIER_nondet_int(); [L269] retValue_acc = choice [L270] return (retValue_acc); [L280] __SELECTED_FEATURE_highWaterSensor = select_one() [L265] int retValue_acc ; [L266] int choice = __VERIFIER_nondet_int(); [L269] retValue_acc = choice [L270] return (retValue_acc); [L281] __SELECTED_FEATURE_lowWaterSensor = select_one() [L265] int retValue_acc ; [L266] int choice = __VERIFIER_nondet_int(); [L269] retValue_acc = choice [L270] return (retValue_acc); [L282] __SELECTED_FEATURE_methaneQuery = select_one() [L265] int retValue_acc ; [L266] int choice = __VERIFIER_nondet_int(); [L269] retValue_acc = choice [L270] return (retValue_acc); [L283] __SELECTED_FEATURE_methaneAlarm = select_one() [L265] int retValue_acc ; [L266] int choice = __VERIFIER_nondet_int(); [L269] retValue_acc = choice [L270] return (retValue_acc); [L284] __SELECTED_FEATURE_stopCommand = select_one() [L265] int retValue_acc ; [L266] int choice = __VERIFIER_nondet_int(); [L269] retValue_acc = choice [L270] return (retValue_acc); [L285] __SELECTED_FEATURE_startCommand = select_one() [L299] int retValue_acc ; [L302] retValue_acc = __SELECTED_FEATURE_base [L303] return (retValue_acc); [L247] tmp = valid_product() [L249] COND TRUE \read(tmp) [L1106] switchedOnBeforeTS = 0 [L686] int splverifierCounter ; [L687] int tmp ; [L688] int tmp___0 ; [L689] int tmp___1 ; [L690] int tmp___2 ; [L693] splverifierCounter = 0 Loop: [L695] COND TRUE 1 [L697] COND TRUE splverifierCounter < 4 [L703] tmp = __VERIFIER_nondet_int() [L705] COND FALSE !(\read(tmp)) [L713] tmp___0 = __VERIFIER_nondet_int() [L715] COND FALSE !(\read(tmp___0)) [L723] tmp___2 = __VERIFIER_nondet_int() [L725] COND FALSE !(\read(tmp___2)) [L735] tmp___1 = __VERIFIER_nondet_int() [L737] COND FALSE !(\read(tmp___1)) [L995] int retValue_acc ; [L998] retValue_acc = pumpRunning [L999] return (retValue_acc); [L1115] switchedOnBeforeTS = isPumpRunning() [L777] COND FALSE !(\read(pumpRunning)) [L784] COND TRUE \read(systemActive) [L920] COND FALSE !(\read(__SELECTED_FEATURE_methaneAlarm)) [L877] COND FALSE !(\read(__SELECTED_FEATURE_lowWaterSensor)) [L834] COND FALSE !(\read(__SELECTED_FEATURE_highWaterSensor)) [L1121] int tmp ; [L1122] int tmp___0 ; [L127] int retValue_acc ; [L130] retValue_acc = waterLevel [L131] return (retValue_acc); [L1126] tmp = getWaterLevel() [L1128] COND TRUE tmp != 2 [L995] int retValue_acc ; [L998] retValue_acc = pumpRunning [L999] return (retValue_acc); [L1130] tmp___0 = isPumpRunning() [L1132] COND FALSE !(\read(tmp___0)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...