./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product42_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_94e2d1c0-a3d7-4c71-ab4f-5e18583777d1/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_94e2d1c0-a3d7-4c71-ab4f-5e18583777d1/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_94e2d1c0-a3d7-4c71-ab4f-5e18583777d1/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_94e2d1c0-a3d7-4c71-ab4f-5e18583777d1/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product42_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_94e2d1c0-a3d7-4c71-ab4f-5e18583777d1/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_94e2d1c0-a3d7-4c71-ab4f-5e18583777d1/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 284d5750b565b650dea59fef4c61eb2e70211282 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 [2018-12-09 08:33:24,695 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 08:33:24,696 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 08:33:24,702 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 08:33:24,702 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 08:33:24,703 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 08:33:24,703 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 08:33:24,704 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 08:33:24,705 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 08:33:24,705 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 08:33:24,706 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 08:33:24,706 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 08:33:24,707 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 08:33:24,707 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 08:33:24,708 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 08:33:24,708 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 08:33:24,709 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 08:33:24,710 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 08:33:24,711 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 08:33:24,712 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 08:33:24,712 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 08:33:24,713 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 08:33:24,714 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 08:33:24,714 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 08:33:24,714 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 08:33:24,715 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 08:33:24,715 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 08:33:24,716 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 08:33:24,716 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 08:33:24,717 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 08:33:24,717 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 08:33:24,717 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 08:33:24,717 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 08:33:24,717 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 08:33:24,718 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 08:33:24,718 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 08:33:24,719 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_94e2d1c0-a3d7-4c71-ab4f-5e18583777d1/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-12-09 08:33:24,726 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 08:33:24,726 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 08:33:24,727 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 08:33:24,727 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 08:33:24,727 INFO L133 SettingsManager]: * Use SBE=true [2018-12-09 08:33:24,728 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-12-09 08:33:24,728 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-12-09 08:33:24,728 INFO L133 SettingsManager]: * Use old map elimination=false [2018-12-09 08:33:24,728 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-12-09 08:33:24,728 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-12-09 08:33:24,728 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-12-09 08:33:24,728 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 08:33:24,729 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 08:33:24,729 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-09 08:33:24,729 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 08:33:24,729 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 08:33:24,729 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 08:33:24,729 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-12-09 08:33:24,729 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-12-09 08:33:24,729 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-12-09 08:33:24,730 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 08:33:24,730 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 08:33:24,730 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-12-09 08:33:24,730 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 08:33:24,730 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-12-09 08:33:24,730 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 08:33:24,730 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 08:33:24,730 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-12-09 08:33:24,731 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 08:33:24,731 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-09 08:33:24,731 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-12-09 08:33:24,731 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-12-09 08:33:24,732 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_94e2d1c0-a3d7-4c71-ab4f-5e18583777d1/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 -> 284d5750b565b650dea59fef4c61eb2e70211282 [2018-12-09 08:33:24,749 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 08:33:24,756 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 08:33:24,758 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 08:33:24,758 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 08:33:24,759 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 08:33:24,759 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_94e2d1c0-a3d7-4c71-ab4f-5e18583777d1/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product42_true-unreach-call_false-termination.cil.c [2018-12-09 08:33:24,794 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_94e2d1c0-a3d7-4c71-ab4f-5e18583777d1/bin-2019/uautomizer/data/78d6a4741/e77d87921ce04c15beb772d9bc0cb2cd/FLAGfdcb960f1 [2018-12-09 08:33:25,240 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 08:33:25,241 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_94e2d1c0-a3d7-4c71-ab4f-5e18583777d1/sv-benchmarks/c/product-lines/minepump_spec3_product42_true-unreach-call_false-termination.cil.c [2018-12-09 08:33:25,247 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_94e2d1c0-a3d7-4c71-ab4f-5e18583777d1/bin-2019/uautomizer/data/78d6a4741/e77d87921ce04c15beb772d9bc0cb2cd/FLAGfdcb960f1 [2018-12-09 08:33:25,255 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_94e2d1c0-a3d7-4c71-ab4f-5e18583777d1/bin-2019/uautomizer/data/78d6a4741/e77d87921ce04c15beb772d9bc0cb2cd [2018-12-09 08:33:25,256 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 08:33:25,257 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 08:33:25,258 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 08:33:25,258 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 08:33:25,260 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 08:33:25,260 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 08:33:25" (1/1) ... [2018-12-09 08:33:25,262 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42d622ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:33:25, skipping insertion in model container [2018-12-09 08:33:25,262 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 08:33:25" (1/1) ... [2018-12-09 08:33:25,266 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 08:33:25,291 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 08:33:25,449 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 08:33:25,497 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 08:33:25,537 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 08:33:25,553 INFO L195 MainTranslator]: Completed translation [2018-12-09 08:33:25,553 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:33:25 WrapperNode [2018-12-09 08:33:25,553 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 08:33:25,554 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 08:33:25,554 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 08:33:25,554 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 08:33:25,559 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:33:25" (1/1) ... [2018-12-09 08:33:25,569 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:33:25" (1/1) ... [2018-12-09 08:33:25,590 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 08:33:25,590 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 08:33:25,590 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 08:33:25,590 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 08:33:25,596 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:33:25" (1/1) ... [2018-12-09 08:33:25,596 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:33:25" (1/1) ... [2018-12-09 08:33:25,598 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:33:25" (1/1) ... [2018-12-09 08:33:25,599 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:33:25" (1/1) ... [2018-12-09 08:33:25,603 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:33:25" (1/1) ... [2018-12-09 08:33:25,608 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:33:25" (1/1) ... [2018-12-09 08:33:25,609 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:33:25" (1/1) ... [2018-12-09 08:33:25,611 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 08:33:25,611 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 08:33:25,611 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 08:33:25,612 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 08:33:25,612 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:33:25" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_94e2d1c0-a3d7-4c71-ab4f-5e18583777d1/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 [2018-12-09 08:33:25,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 08:33:25,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 08:33:25,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 08:33:25,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 08:33:25,970 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 08:33:25,970 INFO L280 CfgBuilder]: Removed 122 assue(true) statements. [2018-12-09 08:33:25,971 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 08:33:25 BoogieIcfgContainer [2018-12-09 08:33:25,971 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 08:33:25,971 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-12-09 08:33:25,971 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-12-09 08:33:25,973 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-12-09 08:33:25,974 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-09 08:33:25,974 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 09.12 08:33:25" (1/3) ... [2018-12-09 08:33:25,975 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@95709ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.12 08:33:25, skipping insertion in model container [2018-12-09 08:33:25,975 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-09 08:33:25,975 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:33:25" (2/3) ... [2018-12-09 08:33:25,975 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@95709ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.12 08:33:25, skipping insertion in model container [2018-12-09 08:33:25,975 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-09 08:33:25,975 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 08:33:25" (3/3) ... [2018-12-09 08:33:25,977 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product42_true-unreach-call_false-termination.cil.c [2018-12-09 08:33:26,007 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 08:33:26,007 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-12-09 08:33:26,007 INFO L375 BuchiCegarLoop]: Hoare is false [2018-12-09 08:33:26,007 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-12-09 08:33:26,008 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 08:33:26,008 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 08:33:26,008 INFO L379 BuchiCegarLoop]: Difference is false [2018-12-09 08:33:26,008 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 08:33:26,008 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-12-09 08:33:26,017 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 90 states. [2018-12-09 08:33:26,031 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 57 [2018-12-09 08:33:26,031 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-09 08:33:26,032 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-09 08:33:26,037 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-12-09 08:33:26,037 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 08:33:26,037 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-12-09 08:33:26,037 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 90 states. [2018-12-09 08:33:26,040 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 57 [2018-12-09 08:33:26,040 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-09 08:33:26,040 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-09 08:33:26,040 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-12-09 08:33:26,040 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 08:33:26,044 INFO L794 eck$LassoCheckResult]: Stem: 52#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string9.base, #t~string9.offset := #Ultimate.alloc(13);call #t~string11.base, #t~string11.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(110, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 2 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string13.base, #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 3 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string15.base, #t~string15.offset, 1);call write~init~int(80, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(117, #t~string15.base, 2 + #t~string15.offset, 1);call write~init~int(109, #t~string15.base, 3 + #t~string15.offset, 1);call write~init~int(112, #t~string15.base, 4 + #t~string15.offset, 1);call write~init~int(58, #t~string15.base, 5 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 6 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(110, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 3 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string21.base, #t~string21.offset, 1);call write~init~int(32, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 2 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string23.base, #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 1 + #t~string23.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string26.base, #t~string26.offset := #Ultimate.alloc(13);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string28.base, #t~string28.offset, 1);call write~init~int(77, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(101, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(116, #t~string28.base, 3 + #t~string28.offset, 1);call write~init~int(104, #t~string28.base, 4 + #t~string28.offset, 1);call write~init~int(58, #t~string28.base, 5 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 6 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string30.base, #t~string30.offset, 1);call write~init~int(82, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(73, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(84, #t~string30.base, 3 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 4 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string32.base, #t~string32.offset, 1);call write~init~int(75, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 2 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string34.base, #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 1 + #t~string34.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string54.base, #t~string54.offset := #Ultimate.alloc(30);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(9);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(21);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(30);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(9);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(21);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(30);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(9);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(25);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(30);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(9);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(25); 24#L-1true havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; 66#L524true havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; 72#L532true main_#t~ret0 := valid_product_#res;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 88#L130true assume 0 != main_~tmp~0; 44#L103true havoc test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_#t~nondet4, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 49#L918-1true [2018-12-09 08:33:26,044 INFO L796 eck$LassoCheckResult]: Loop: 49#L918-1true assume !false; 81#L156true assume test_~splverifierCounter~0 < 4; 14#L157true test_~tmp~1 := test_#t~nondet1;havoc test_#t~nondet1; 42#L165true assume !(0 != test_~tmp~1); 63#L165-1true test_~tmp___0~0 := test_#t~nondet2;havoc test_#t~nondet2; 3#L175true assume !(0 != test_~tmp___0~0); 38#L175-1true test_~tmp___2~0 := test_#t~nondet3;havoc test_#t~nondet3; 90#L185true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 26#L193-2true assume !(0 != ~pumpRunning~0); 60#L227true assume !(0 != ~systemActive~0); 51#L234true havoc __utac_acc__Specification3_spec__1_#t~ret71, __utac_acc__Specification3_spec__1_#t~ret72, __utac_acc__Specification3_spec__1_#t~ret73, __utac_acc__Specification3_spec__1_~tmp~8, __utac_acc__Specification3_spec__1_~tmp___0~2, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~8;havoc __utac_acc__Specification3_spec__1_~tmp___0~2;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~4;havoc isMethaneLevelCritical_~retValue_acc~4;isMethaneLevelCritical_~retValue_acc~4 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~4; 4#L442-1true __utac_acc__Specification3_spec__1_#t~ret71 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~8 := __utac_acc__Specification3_spec__1_#t~ret71;havoc __utac_acc__Specification3_spec__1_#t~ret71; 76#L912true assume 0 != __utac_acc__Specification3_spec__1_~tmp~8; 49#L918-1true [2018-12-09 08:33:26,048 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 08:33:26,048 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2018-12-09 08:33:26,050 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 08:33:26,050 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 08:33:26,077 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:33:26,077 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 08:33:26,077 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:33:26,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 08:33:26,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 08:33:26,169 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 08:33:26,169 INFO L82 PathProgramCache]: Analyzing trace with hash -1680236938, now seen corresponding path program 1 times [2018-12-09 08:33:26,170 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 08:33:26,170 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 08:33:26,170 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:33:26,170 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 08:33:26,171 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:33:26,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:33:26,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 08:33:26,204 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 08:33:26,204 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 08:33:26,206 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-12-09 08:33:26,215 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 08:33:26,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 08:33:26,216 INFO L87 Difference]: Start difference. First operand 90 states. Second operand 3 states. [2018-12-09 08:33:26,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 08:33:26,239 INFO L93 Difference]: Finished difference Result 90 states and 125 transitions. [2018-12-09 08:33:26,239 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 08:33:26,241 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 90 states and 125 transitions. [2018-12-09 08:33:26,243 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 55 [2018-12-09 08:33:26,245 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 90 states to 83 states and 117 transitions. [2018-12-09 08:33:26,246 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 83 [2018-12-09 08:33:26,247 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 83 [2018-12-09 08:33:26,247 INFO L73 IsDeterministic]: Start isDeterministic. Operand 83 states and 117 transitions. [2018-12-09 08:33:26,248 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-12-09 08:33:26,248 INFO L705 BuchiCegarLoop]: Abstraction has 83 states and 117 transitions. [2018-12-09 08:33:26,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states and 117 transitions. [2018-12-09 08:33:26,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2018-12-09 08:33:26,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2018-12-09 08:33:26,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 117 transitions. [2018-12-09 08:33:26,269 INFO L728 BuchiCegarLoop]: Abstraction has 83 states and 117 transitions. [2018-12-09 08:33:26,269 INFO L608 BuchiCegarLoop]: Abstraction has 83 states and 117 transitions. [2018-12-09 08:33:26,269 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-12-09 08:33:26,269 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 83 states and 117 transitions. [2018-12-09 08:33:26,270 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 55 [2018-12-09 08:33:26,270 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-09 08:33:26,270 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-09 08:33:26,271 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-12-09 08:33:26,271 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 08:33:26,271 INFO L794 eck$LassoCheckResult]: Stem: 249#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string9.base, #t~string9.offset := #Ultimate.alloc(13);call #t~string11.base, #t~string11.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(110, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 2 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string13.base, #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 3 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string15.base, #t~string15.offset, 1);call write~init~int(80, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(117, #t~string15.base, 2 + #t~string15.offset, 1);call write~init~int(109, #t~string15.base, 3 + #t~string15.offset, 1);call write~init~int(112, #t~string15.base, 4 + #t~string15.offset, 1);call write~init~int(58, #t~string15.base, 5 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 6 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(110, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 3 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string21.base, #t~string21.offset, 1);call write~init~int(32, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 2 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string23.base, #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 1 + #t~string23.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string26.base, #t~string26.offset := #Ultimate.alloc(13);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string28.base, #t~string28.offset, 1);call write~init~int(77, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(101, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(116, #t~string28.base, 3 + #t~string28.offset, 1);call write~init~int(104, #t~string28.base, 4 + #t~string28.offset, 1);call write~init~int(58, #t~string28.base, 5 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 6 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string30.base, #t~string30.offset, 1);call write~init~int(82, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(73, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(84, #t~string30.base, 3 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 4 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string32.base, #t~string32.offset, 1);call write~init~int(75, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 2 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string34.base, #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 1 + #t~string34.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string54.base, #t~string54.offset := #Ultimate.alloc(30);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(9);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(21);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(30);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(9);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(21);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(30);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(9);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(25);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(30);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(9);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(25); 227#L-1 havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; 228#L524 havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; 259#L532 main_#t~ret0 := valid_product_#res;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 263#L130 assume 0 != main_~tmp~0; 241#L103 havoc test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_#t~nondet4, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 242#L918-1 [2018-12-09 08:33:26,271 INFO L796 eck$LassoCheckResult]: Loop: 242#L918-1 assume !false; 247#L156 assume test_~splverifierCounter~0 < 4; 214#L157 test_~tmp~1 := test_#t~nondet1;havoc test_#t~nondet1; 215#L165 assume !(0 != test_~tmp~1); 239#L165-1 test_~tmp___0~0 := test_#t~nondet2;havoc test_#t~nondet2; 189#L175 assume !(0 != test_~tmp___0~0); 190#L175-1 test_~tmp___2~0 := test_#t~nondet3;havoc test_#t~nondet3; 237#L185 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 223#L193-2 assume !(0 != ~pumpRunning~0); 220#L227 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret5, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 236#L259 assume !(0 == ~pumpRunning~0); 207#L234 havoc __utac_acc__Specification3_spec__1_#t~ret71, __utac_acc__Specification3_spec__1_#t~ret72, __utac_acc__Specification3_spec__1_#t~ret73, __utac_acc__Specification3_spec__1_~tmp~8, __utac_acc__Specification3_spec__1_~tmp___0~2, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~8;havoc __utac_acc__Specification3_spec__1_~tmp___0~2;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~4;havoc isMethaneLevelCritical_~retValue_acc~4;isMethaneLevelCritical_~retValue_acc~4 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~4; 192#L442-1 __utac_acc__Specification3_spec__1_#t~ret71 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~8 := __utac_acc__Specification3_spec__1_#t~ret71;havoc __utac_acc__Specification3_spec__1_#t~ret71; 193#L912 assume 0 != __utac_acc__Specification3_spec__1_~tmp~8; 242#L918-1 [2018-12-09 08:33:26,271 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 08:33:26,272 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2018-12-09 08:33:26,272 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 08:33:26,272 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 08:33:26,272 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:33:26,273 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 08:33:26,273 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:33:26,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 08:33:26,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 08:33:26,313 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 08:33:26,313 INFO L82 PathProgramCache]: Analyzing trace with hash -589506386, now seen corresponding path program 1 times [2018-12-09 08:33:26,313 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 08:33:26,313 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 08:33:26,314 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:33:26,314 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-09 08:33:26,314 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:33:26,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:33:26,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 08:33:26,327 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 08:33:26,328 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 08:33:26,328 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-12-09 08:33:26,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 08:33:26,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 08:33:26,328 INFO L87 Difference]: Start difference. First operand 83 states and 117 transitions. cyclomatic complexity: 36 Second operand 3 states. [2018-12-09 08:33:26,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 08:33:26,379 INFO L93 Difference]: Finished difference Result 130 states and 177 transitions. [2018-12-09 08:33:26,379 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 08:33:26,379 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 130 states and 177 transitions. [2018-12-09 08:33:26,381 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 90 [2018-12-09 08:33:26,381 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 130 states to 130 states and 177 transitions. [2018-12-09 08:33:26,381 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 130 [2018-12-09 08:33:26,382 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 130 [2018-12-09 08:33:26,382 INFO L73 IsDeterministic]: Start isDeterministic. Operand 130 states and 177 transitions. [2018-12-09 08:33:26,382 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-12-09 08:33:26,382 INFO L705 BuchiCegarLoop]: Abstraction has 130 states and 177 transitions. [2018-12-09 08:33:26,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states and 177 transitions. [2018-12-09 08:33:26,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2018-12-09 08:33:26,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2018-12-09 08:33:26,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 177 transitions. [2018-12-09 08:33:26,387 INFO L728 BuchiCegarLoop]: Abstraction has 130 states and 177 transitions. [2018-12-09 08:33:26,387 INFO L608 BuchiCegarLoop]: Abstraction has 130 states and 177 transitions. [2018-12-09 08:33:26,387 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-12-09 08:33:26,387 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 130 states and 177 transitions. [2018-12-09 08:33:26,388 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 90 [2018-12-09 08:33:26,388 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-09 08:33:26,388 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-09 08:33:26,388 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-12-09 08:33:26,388 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] [2018-12-09 08:33:26,389 INFO L794 eck$LassoCheckResult]: Stem: 472#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string9.base, #t~string9.offset := #Ultimate.alloc(13);call #t~string11.base, #t~string11.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(110, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 2 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string13.base, #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 3 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string15.base, #t~string15.offset, 1);call write~init~int(80, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(117, #t~string15.base, 2 + #t~string15.offset, 1);call write~init~int(109, #t~string15.base, 3 + #t~string15.offset, 1);call write~init~int(112, #t~string15.base, 4 + #t~string15.offset, 1);call write~init~int(58, #t~string15.base, 5 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 6 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(110, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 3 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string21.base, #t~string21.offset, 1);call write~init~int(32, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 2 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string23.base, #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 1 + #t~string23.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string26.base, #t~string26.offset := #Ultimate.alloc(13);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string28.base, #t~string28.offset, 1);call write~init~int(77, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(101, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(116, #t~string28.base, 3 + #t~string28.offset, 1);call write~init~int(104, #t~string28.base, 4 + #t~string28.offset, 1);call write~init~int(58, #t~string28.base, 5 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 6 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string30.base, #t~string30.offset, 1);call write~init~int(82, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(73, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(84, #t~string30.base, 3 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 4 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string32.base, #t~string32.offset, 1);call write~init~int(75, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 2 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string34.base, #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 1 + #t~string34.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string54.base, #t~string54.offset := #Ultimate.alloc(30);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(9);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(21);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(30);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(9);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(21);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(30);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(9);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(25);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(30);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(9);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(25); 444#L-1 havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; 445#L524 havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; 481#L532 main_#t~ret0 := valid_product_#res;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 486#L130 assume 0 != main_~tmp~0; 464#L103 havoc test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_#t~nondet4, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 465#L918-1 [2018-12-09 08:33:26,389 INFO L796 eck$LassoCheckResult]: Loop: 465#L918-1 assume !false; 470#L156 assume test_~splverifierCounter~0 < 4; 433#L157 test_~tmp~1 := test_#t~nondet1;havoc test_#t~nondet1; 434#L165 assume !(0 != test_~tmp~1); 462#L165-1 test_~tmp___0~0 := test_#t~nondet2;havoc test_#t~nondet2; 408#L175 assume !(0 != test_~tmp___0~0); 409#L175-1 test_~tmp___2~0 := test_#t~nondet3;havoc test_#t~nondet3; 459#L185 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 446#L193-2 assume !(0 != ~pumpRunning~0); 447#L227 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret5, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 458#L259 assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret24, isHighWaterLevel_~retValue_acc~3, isHighWaterLevel_~tmp~4, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~3;havoc isHighWaterLevel_~tmp~4;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~6;havoc isHighWaterSensorDry_~retValue_acc~6; 422#L482 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~6 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~6; 423#L487 isHighWaterLevel_#t~ret24 := isHighWaterSensorDry_#res;isHighWaterLevel_~tmp~4 := isHighWaterLevel_#t~ret24;havoc isHighWaterLevel_#t~ret24; 475#L379 assume 0 != isHighWaterLevel_~tmp~4;isHighWaterLevel_~tmp___0~1 := 0; 491#L379-2 isHighWaterLevel_~retValue_acc~3 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~3; 483#L385 processEnvironment_#t~ret5 := isHighWaterLevel_#res;processEnvironment_~tmp~2 := processEnvironment_#t~ret5;havoc processEnvironment_#t~ret5; 426#L263 assume !(0 != processEnvironment_~tmp~2); 427#L234 havoc __utac_acc__Specification3_spec__1_#t~ret71, __utac_acc__Specification3_spec__1_#t~ret72, __utac_acc__Specification3_spec__1_#t~ret73, __utac_acc__Specification3_spec__1_~tmp~8, __utac_acc__Specification3_spec__1_~tmp___0~2, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~8;havoc __utac_acc__Specification3_spec__1_~tmp___0~2;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~4;havoc isMethaneLevelCritical_~retValue_acc~4;isMethaneLevelCritical_~retValue_acc~4 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~4; 411#L442-1 __utac_acc__Specification3_spec__1_#t~ret71 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~8 := __utac_acc__Specification3_spec__1_#t~ret71;havoc __utac_acc__Specification3_spec__1_#t~ret71; 412#L912 assume 0 != __utac_acc__Specification3_spec__1_~tmp~8; 465#L918-1 [2018-12-09 08:33:26,389 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 08:33:26,389 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 3 times [2018-12-09 08:33:26,389 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 08:33:26,389 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 08:33:26,390 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:33:26,390 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 08:33:26,390 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:33:26,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 08:33:26,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 08:33:26,418 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 08:33:26,418 INFO L82 PathProgramCache]: Analyzing trace with hash -1033634406, now seen corresponding path program 1 times [2018-12-09 08:33:26,418 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 08:33:26,418 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 08:33:26,419 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:33:26,419 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-09 08:33:26,419 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:33:26,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 08:33:26,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 08:33:26,426 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 08:33:26,426 INFO L82 PathProgramCache]: Analyzing trace with hash -1018922432, now seen corresponding path program 1 times [2018-12-09 08:33:26,426 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 08:33:26,426 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 08:33:26,427 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:33:26,427 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 08:33:26,427 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:33:26,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:33:26,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 08:33:26,478 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 08:33:26,478 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 08:33:26,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 08:33:26,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 08:33:26,594 INFO L87 Difference]: Start difference. First operand 130 states and 177 transitions. cyclomatic complexity: 49 Second operand 5 states. [2018-12-09 08:33:26,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 08:33:26,703 INFO L93 Difference]: Finished difference Result 434 states and 594 transitions. [2018-12-09 08:33:26,703 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 08:33:26,703 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 434 states and 594 transitions. [2018-12-09 08:33:26,706 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 314 [2018-12-09 08:33:26,708 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 434 states to 434 states and 594 transitions. [2018-12-09 08:33:26,708 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 434 [2018-12-09 08:33:26,708 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 434 [2018-12-09 08:33:26,709 INFO L73 IsDeterministic]: Start isDeterministic. Operand 434 states and 594 transitions. [2018-12-09 08:33:26,710 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-12-09 08:33:26,710 INFO L705 BuchiCegarLoop]: Abstraction has 434 states and 594 transitions. [2018-12-09 08:33:26,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states and 594 transitions. [2018-12-09 08:33:26,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 254. [2018-12-09 08:33:26,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 254 states. [2018-12-09 08:33:26,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 340 transitions. [2018-12-09 08:33:26,719 INFO L728 BuchiCegarLoop]: Abstraction has 254 states and 340 transitions. [2018-12-09 08:33:26,719 INFO L608 BuchiCegarLoop]: Abstraction has 254 states and 340 transitions. [2018-12-09 08:33:26,720 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ [2018-12-09 08:33:26,720 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 254 states and 340 transitions. [2018-12-09 08:33:26,721 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 180 [2018-12-09 08:33:26,721 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-09 08:33:26,721 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-09 08:33:26,721 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-12-09 08:33:26,721 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, 1] [2018-12-09 08:33:26,721 INFO L794 eck$LassoCheckResult]: Stem: 1061#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string9.base, #t~string9.offset := #Ultimate.alloc(13);call #t~string11.base, #t~string11.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(110, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 2 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string13.base, #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 3 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string15.base, #t~string15.offset, 1);call write~init~int(80, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(117, #t~string15.base, 2 + #t~string15.offset, 1);call write~init~int(109, #t~string15.base, 3 + #t~string15.offset, 1);call write~init~int(112, #t~string15.base, 4 + #t~string15.offset, 1);call write~init~int(58, #t~string15.base, 5 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 6 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(110, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 3 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string21.base, #t~string21.offset, 1);call write~init~int(32, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 2 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string23.base, #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 1 + #t~string23.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string26.base, #t~string26.offset := #Ultimate.alloc(13);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string28.base, #t~string28.offset, 1);call write~init~int(77, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(101, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(116, #t~string28.base, 3 + #t~string28.offset, 1);call write~init~int(104, #t~string28.base, 4 + #t~string28.offset, 1);call write~init~int(58, #t~string28.base, 5 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 6 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string30.base, #t~string30.offset, 1);call write~init~int(82, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(73, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(84, #t~string30.base, 3 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 4 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string32.base, #t~string32.offset, 1);call write~init~int(75, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 2 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string34.base, #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 1 + #t~string34.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string54.base, #t~string54.offset := #Ultimate.alloc(30);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(9);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(21);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(30);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(9);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(21);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(30);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(9);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(25);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(30);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(9);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(25); 1029#L-1 havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; 1030#L524 havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; 1075#L532 main_#t~ret0 := valid_product_#res;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 1080#L130 assume 0 != main_~tmp~0; 1053#L103 havoc test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_#t~nondet4, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 1054#L918-1 [2018-12-09 08:33:26,722 INFO L796 eck$LassoCheckResult]: Loop: 1054#L918-1 assume !false; 1174#L156 assume test_~splverifierCounter~0 < 4; 1175#L157 test_~tmp~1 := test_#t~nondet1;havoc test_#t~nondet1; 1236#L165 assume !(0 != test_~tmp~1); 1234#L165-1 test_~tmp___0~0 := test_#t~nondet2;havoc test_#t~nondet2; 990#L175 assume !(0 != test_~tmp___0~0); 991#L175-1 test_~tmp___2~0 := test_#t~nondet3;havoc test_#t~nondet3; 1242#L185 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 1031#L193-2 assume !(0 != ~pumpRunning~0); 1032#L227 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret5, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 1044#L259 assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret24, isHighWaterLevel_~retValue_acc~3, isHighWaterLevel_~tmp~4, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~3;havoc isHighWaterLevel_~tmp~4;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~6;havoc isHighWaterSensorDry_~retValue_acc~6; 1004#L482 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~6 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~6; 1005#L487 isHighWaterLevel_#t~ret24 := isHighWaterSensorDry_#res;isHighWaterLevel_~tmp~4 := isHighWaterLevel_#t~ret24;havoc isHighWaterLevel_#t~ret24; 1066#L379 assume 0 != isHighWaterLevel_~tmp~4;isHighWaterLevel_~tmp___0~1 := 0; 1085#L379-2 isHighWaterLevel_~retValue_acc~3 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~3; 1077#L385 processEnvironment_#t~ret5 := isHighWaterLevel_#res;processEnvironment_~tmp~2 := processEnvironment_#t~ret5;havoc processEnvironment_#t~ret5; 1008#L263 assume !(0 != processEnvironment_~tmp~2); 1009#L234 havoc __utac_acc__Specification3_spec__1_#t~ret71, __utac_acc__Specification3_spec__1_#t~ret72, __utac_acc__Specification3_spec__1_#t~ret73, __utac_acc__Specification3_spec__1_~tmp~8, __utac_acc__Specification3_spec__1_~tmp___0~2, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~8;havoc __utac_acc__Specification3_spec__1_~tmp___0~2;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~4;havoc isMethaneLevelCritical_~retValue_acc~4;isMethaneLevelCritical_~retValue_acc~4 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~4; 993#L442-1 __utac_acc__Specification3_spec__1_#t~ret71 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~8 := __utac_acc__Specification3_spec__1_#t~ret71;havoc __utac_acc__Specification3_spec__1_#t~ret71; 994#L912 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~8);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~5;havoc getWaterLevel_~retValue_acc~5;getWaterLevel_~retValue_acc~5 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~5; 1084#L474 __utac_acc__Specification3_spec__1_#t~ret72 := getWaterLevel_#res;__utac_acc__Specification3_spec__1_~tmp___0~2 := __utac_acc__Specification3_spec__1_#t~ret72;havoc __utac_acc__Specification3_spec__1_#t~ret72; 1093#L918 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~2); 1054#L918-1 [2018-12-09 08:33:26,722 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 08:33:26,722 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 4 times [2018-12-09 08:33:26,722 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 08:33:26,722 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 08:33:26,723 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:33:26,723 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 08:33:26,723 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:33:26,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 08:33:26,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 08:33:26,744 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 08:33:26,744 INFO L82 PathProgramCache]: Analyzing trace with hash -1185212340, now seen corresponding path program 1 times [2018-12-09 08:33:26,744 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 08:33:26,745 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 08:33:26,745 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:33:26,745 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-09 08:33:26,745 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:33:26,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 08:33:26,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 08:33:26,752 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 08:33:26,752 INFO L82 PathProgramCache]: Analyzing trace with hash 68092786, now seen corresponding path program 1 times [2018-12-09 08:33:26,753 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 08:33:26,753 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 08:33:26,753 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:33:26,753 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 08:33:26,753 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:33:26,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 08:33:26,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 08:33:31,008 WARN L180 SmtUtils]: Spent 4.11 s on a formula simplification. DAG size of input: 425 DAG size of output: 423 [2018-12-09 08:33:33,121 WARN L180 SmtUtils]: Spent 2.11 s on a formula simplification that was a NOOP. DAG size: 423 [2018-12-09 08:33:33,155 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 09.12 08:33:33 BoogieIcfgContainer [2018-12-09 08:33:33,155 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-12-09 08:33:33,155 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 08:33:33,155 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 08:33:33,155 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 08:33:33,156 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 08:33:25" (3/4) ... [2018-12-09 08:33:33,158 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-12-09 08:33:33,194 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_94e2d1c0-a3d7-4c71-ab4f-5e18583777d1/bin-2019/uautomizer/witness.graphml [2018-12-09 08:33:33,194 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 08:33:33,195 INFO L168 Benchmark]: Toolchain (without parser) took 7937.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 949.6 MB in the beginning and 848.3 MB in the end (delta: 101.2 MB). Peak memory consumption was 234.4 MB. Max. memory is 11.5 GB. [2018-12-09 08:33:33,195 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 08:33:33,195 INFO L168 Benchmark]: CACSL2BoogieTranslator took 295.62 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 79.7 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -119.5 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. [2018-12-09 08:33:33,195 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.23 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-09 08:33:33,196 INFO L168 Benchmark]: Boogie Preprocessor took 21.12 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 08:33:33,196 INFO L168 Benchmark]: RCFGBuilder took 359.45 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 54.6 MB). Peak memory consumption was 54.6 MB. Max. memory is 11.5 GB. [2018-12-09 08:33:33,196 INFO L168 Benchmark]: BuchiAutomizer took 7183.76 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 53.5 MB). Free memory was 1.0 GB in the beginning and 854.6 MB in the end (delta: 154.5 MB). Peak memory consumption was 257.2 MB. Max. memory is 11.5 GB. [2018-12-09 08:33:33,196 INFO L168 Benchmark]: Witness Printer took 39.01 ms. Allocated memory is still 1.2 GB. Free memory was 854.6 MB in the beginning and 848.3 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 11.5 GB. [2018-12-09 08:33:33,198 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 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 295.62 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 79.7 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -119.5 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 36.23 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.12 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 359.45 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 54.6 MB). Peak memory consumption was 54.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 7183.76 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 53.5 MB). Free memory was 1.0 GB in the beginning and 854.6 MB in the end (delta: 154.5 MB). Peak memory consumption was 257.2 MB. Max. memory is 11.5 GB. * Witness Printer took 39.01 ms. Allocated memory is still 1.2 GB. Free memory was 854.6 MB in the beginning and 848.3 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. 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 3 terminating modules (3 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.3 modules have a trivial ranking function, the largest among these consists of 5 locations. The remainder module has 254 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 7.1s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 6.8s. Construction of modules took 0.1s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 180 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 254 states and ocurred in iteration 3. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 395 SDtfs, 649 SDslu, 534 SDs, 0 SdLazy, 103 SolverSat, 35 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI2 SFLT0 conc1 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: 155]: 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=39, NULL=0, NULL=0, NULL=34, NULL=0, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4ad67d83=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3f82b065=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@438b941=56, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2be8317d=0, NULL=29, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5f750b96=0, NULL=36, NULL=14, NULL=20, methaneLevelCritical=0, tmp___0=0, NULL=0, retValue_acc=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@62f2bf24=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1926aeb7=0, NULL=23, NULL=0, tmp___1=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@62d74420=0, NULL=12, NULL=15, cleanupTimeShifts=4, NULL=18, tmp=0, tmp=0, NULL=38, tmp___0=1, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, \result=1, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@68ff85f0=0, NULL=31, \result=0, retValue_acc=0, NULL=0, tmp___0=0, NULL=0, NULL=0, NULL=0, NULL=0, \result=1, head=0, pumpRunning=0, tmp=1, NULL=26, \result=0, retValue_acc=1, NULL=28, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@212a906e=0, NULL=0, NULL=19, NULL=0, NULL=0, NULL=0, \result=1, NULL=35, retValue_acc=1, tmp=1, tmp___2=56, NULL=16, NULL=22, retValue_acc=1, splverifierCounter=0, NULL=0, NULL=0, \result=0, NULL=27, NULL=24, tmp=0, tmp___1=0, head=0, NULL=0, NULL=0, NULL=11, NULL=33, NULL=0, NULL=0, NULL=8, NULL=17, NULL=37} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L40] int cleanupTimeShifts = 4; [L219] int pumpRunning = 0; [L220] int systemActive = 1; [L399] int waterLevel = 1; [L400] int methaneLevelCritical = 0; [L706] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L121] int retValue_acc ; [L122] int tmp ; [L528] int retValue_acc ; [L531] retValue_acc = 1 [L532] return (retValue_acc); [L128] tmp = valid_product() [L130] COND TRUE \read(tmp) [L146] int splverifierCounter ; [L147] int tmp ; [L148] int tmp___0 ; [L149] int tmp___1 ; [L150] int tmp___2 ; [L153] splverifierCounter = 0 Loop: [L155] COND TRUE 1 [L157] COND TRUE splverifierCounter < 4 [L163] tmp = __VERIFIER_nondet_int() [L165] COND FALSE !(\read(tmp)) [L173] tmp___0 = __VERIFIER_nondet_int() [L175] COND FALSE !(\read(tmp___0)) [L183] tmp___2 = __VERIFIER_nondet_int() [L185] COND TRUE \read(tmp___2) [L393] systemActive = 1 [L227] COND FALSE !(\read(pumpRunning)) [L234] COND TRUE \read(systemActive) [L256] int tmp ; [L259] COND TRUE ! pumpRunning [L371] int retValue_acc ; [L372] int tmp ; [L373] int tmp___0 ; [L479] int retValue_acc ; [L482] COND TRUE waterLevel < 2 [L483] retValue_acc = 1 [L484] return (retValue_acc); [L377] tmp = isHighWaterSensorDry() [L379] COND TRUE \read(tmp) [L380] tmp___0 = 0 [L384] retValue_acc = tmp___0 [L385] return (retValue_acc); [L261] tmp = isHighWaterLevel() [L263] COND FALSE !(\read(tmp)) [L904] int tmp ; [L905] int tmp___0 ; [L906] int tmp___1 ; [L438] int retValue_acc ; [L441] retValue_acc = methaneLevelCritical [L442] return (retValue_acc); [L910] tmp = isMethaneLevelCritical() [L912] COND FALSE !(\read(tmp)) [L470] int retValue_acc ; [L473] retValue_acc = waterLevel [L474] return (retValue_acc); [L916] tmp___0 = getWaterLevel() [L918] COND FALSE !(tmp___0 == 2) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...