./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product02_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_97df2982-21ef-482f-81bc-f486e4ea4cb6/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_97df2982-21ef-482f-81bc-f486e4ea4cb6/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_97df2982-21ef-482f-81bc-f486e4ea4cb6/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_97df2982-21ef-482f-81bc-f486e4ea4cb6/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product02_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_97df2982-21ef-482f-81bc-f486e4ea4cb6/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_97df2982-21ef-482f-81bc-f486e4ea4cb6/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 3d4424fd56eee579c48980b036d65ad5b2d9388e ............................................................................................................................................................................................................................................................................................................. 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 [2018-12-08 10:40:40,666 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 10:40:40,667 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 10:40:40,673 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 10:40:40,673 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 10:40:40,674 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 10:40:40,674 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 10:40:40,676 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 10:40:40,676 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 10:40:40,677 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 10:40:40,677 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 10:40:40,677 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 10:40:40,678 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 10:40:40,679 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 10:40:40,679 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 10:40:40,680 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 10:40:40,680 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 10:40:40,681 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 10:40:40,682 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 10:40:40,683 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 10:40:40,684 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 10:40:40,684 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 10:40:40,685 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 10:40:40,686 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 10:40:40,686 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 10:40:40,686 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 10:40:40,687 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 10:40:40,687 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 10:40:40,688 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 10:40:40,688 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 10:40:40,689 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 10:40:40,689 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 10:40:40,689 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 10:40:40,689 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 10:40:40,690 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 10:40:40,690 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 10:40:40,690 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_97df2982-21ef-482f-81bc-f486e4ea4cb6/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-12-08 10:40:40,698 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 10:40:40,699 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 10:40:40,699 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 10:40:40,699 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 10:40:40,700 INFO L133 SettingsManager]: * Use SBE=true [2018-12-08 10:40:40,700 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-12-08 10:40:40,700 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-12-08 10:40:40,700 INFO L133 SettingsManager]: * Use old map elimination=false [2018-12-08 10:40:40,700 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-12-08 10:40:40,700 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-12-08 10:40:40,700 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-12-08 10:40:40,700 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 10:40:40,700 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 10:40:40,701 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-08 10:40:40,701 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 10:40:40,701 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 10:40:40,701 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 10:40:40,701 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-12-08 10:40:40,701 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-12-08 10:40:40,701 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-12-08 10:40:40,701 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 10:40:40,701 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 10:40:40,702 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-12-08 10:40:40,702 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 10:40:40,702 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-12-08 10:40:40,702 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 10:40:40,702 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 10:40:40,702 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-12-08 10:40:40,702 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 10:40:40,702 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-08 10:40:40,703 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-12-08 10:40:40,703 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-12-08 10:40:40,703 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_97df2982-21ef-482f-81bc-f486e4ea4cb6/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 -> 3d4424fd56eee579c48980b036d65ad5b2d9388e [2018-12-08 10:40:40,721 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 10:40:40,730 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 10:40:40,733 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 10:40:40,734 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 10:40:40,734 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 10:40:40,735 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_97df2982-21ef-482f-81bc-f486e4ea4cb6/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product02_true-unreach-call_false-termination.cil.c [2018-12-08 10:40:40,774 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_97df2982-21ef-482f-81bc-f486e4ea4cb6/bin-2019/uautomizer/data/104e92af5/e6e50d29bdcc4100aaac3872765b311b/FLAGbbbb4b75b [2018-12-08 10:40:41,222 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 10:40:41,222 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_97df2982-21ef-482f-81bc-f486e4ea4cb6/sv-benchmarks/c/product-lines/minepump_spec2_product02_true-unreach-call_false-termination.cil.c [2018-12-08 10:40:41,228 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_97df2982-21ef-482f-81bc-f486e4ea4cb6/bin-2019/uautomizer/data/104e92af5/e6e50d29bdcc4100aaac3872765b311b/FLAGbbbb4b75b [2018-12-08 10:40:41,235 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_97df2982-21ef-482f-81bc-f486e4ea4cb6/bin-2019/uautomizer/data/104e92af5/e6e50d29bdcc4100aaac3872765b311b [2018-12-08 10:40:41,237 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 10:40:41,238 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 10:40:41,238 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 10:40:41,238 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 10:40:41,240 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 10:40:41,241 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 10:40:41" (1/1) ... [2018-12-08 10:40:41,242 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 08.12 10:40:41, skipping insertion in model container [2018-12-08 10:40:41,242 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 10:40:41" (1/1) ... [2018-12-08 10:40:41,247 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 10:40:41,269 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 10:40:41,422 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 10:40:41,464 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 10:40:41,501 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 10:40:41,514 INFO L195 MainTranslator]: Completed translation [2018-12-08 10:40:41,515 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:40:41 WrapperNode [2018-12-08 10:40:41,515 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 10:40:41,515 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 10:40:41,515 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 10:40:41,515 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 10:40:41,520 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:40:41" (1/1) ... [2018-12-08 10:40:41,529 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:40:41" (1/1) ... [2018-12-08 10:40:41,545 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 10:40:41,546 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 10:40:41,546 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 10:40:41,546 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 10:40:41,552 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:40:41" (1/1) ... [2018-12-08 10:40:41,552 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:40:41" (1/1) ... [2018-12-08 10:40:41,553 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:40:41" (1/1) ... [2018-12-08 10:40:41,553 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:40:41" (1/1) ... [2018-12-08 10:40:41,557 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:40:41" (1/1) ... [2018-12-08 10:40:41,560 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:40:41" (1/1) ... [2018-12-08 10:40:41,561 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:40:41" (1/1) ... [2018-12-08 10:40:41,563 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 10:40:41,563 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 10:40:41,563 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 10:40:41,563 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 10:40:41,564 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:40:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_97df2982-21ef-482f-81bc-f486e4ea4cb6/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 [2018-12-08 10:40:41,596 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 10:40:41,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-08 10:40:41,597 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 10:40:41,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 10:40:41,857 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 10:40:41,857 INFO L280 CfgBuilder]: Removed 70 assue(true) statements. [2018-12-08 10:40:41,857 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 10:40:41 BoogieIcfgContainer [2018-12-08 10:40:41,857 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 10:40:41,858 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-12-08 10:40:41,858 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-12-08 10:40:41,860 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-12-08 10:40:41,860 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-08 10:40:41,861 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 08.12 10:40:41" (1/3) ... [2018-12-08 10:40:41,861 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@551daa70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.12 10:40:41, skipping insertion in model container [2018-12-08 10:40:41,861 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-08 10:40:41,861 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:40:41" (2/3) ... [2018-12-08 10:40:41,862 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@551daa70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.12 10:40:41, skipping insertion in model container [2018-12-08 10:40:41,862 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-08 10:40:41,862 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 10:40:41" (3/3) ... [2018-12-08 10:40:41,863 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product02_true-unreach-call_false-termination.cil.c [2018-12-08 10:40:41,895 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 10:40:41,896 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-12-08 10:40:41,896 INFO L375 BuchiCegarLoop]: Hoare is false [2018-12-08 10:40:41,896 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-12-08 10:40:41,896 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 10:40:41,896 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 10:40:41,896 INFO L379 BuchiCegarLoop]: Difference is false [2018-12-08 10:40:41,896 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 10:40:41,896 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-12-08 10:40:41,905 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 58 states. [2018-12-08 10:40:41,921 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 35 [2018-12-08 10:40:41,922 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-08 10:40:41,922 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-08 10:40:41,929 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-12-08 10:40:41,929 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 10:40:41,929 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-12-08 10:40:41,929 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 58 states. [2018-12-08 10:40:41,932 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 35 [2018-12-08 10:40:41,932 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-08 10:40:41,932 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-08 10:40:41,932 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-12-08 10:40:41,932 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 10:40:41,937 INFO L794 eck$LassoCheckResult]: Stem: 26#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string2.base, #t~string2.offset := #Ultimate.alloc(13);call #t~string4.base, #t~string4.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string4.base, #t~string4.offset, 1);call write~init~int(77, #t~string4.base, 1 + #t~string4.offset, 1);call write~init~int(101, #t~string4.base, 2 + #t~string4.offset, 1);call write~init~int(116, #t~string4.base, 3 + #t~string4.offset, 1);call write~init~int(104, #t~string4.base, 4 + #t~string4.offset, 1);call write~init~int(58, #t~string4.base, 5 + #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 6 + #t~string4.offset, 1);call #t~string6.base, #t~string6.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string6.base, #t~string6.offset, 1);call write~init~int(82, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(73, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(84, #t~string6.base, 3 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 4 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(75, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 2 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string10.base, #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 1 + #t~string10.offset, 1);~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0;call #t~string31.base, #t~string31.offset := #Ultimate.alloc(30);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(9);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(21);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(30);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(9);call #t~string36.base, #t~string36.offset := #Ultimate.alloc(21);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(30);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(9);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(25);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(30);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(9);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(25);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string51.base, #t~string51.offset := #Ultimate.alloc(13);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(110, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 2 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(102, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(102, #t~string55.base, 2 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 3 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string57.base, #t~string57.offset, 1);call write~init~int(80, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(117, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(109, #t~string57.base, 3 + #t~string57.offset, 1);call write~init~int(112, #t~string57.base, 4 + #t~string57.offset, 1);call write~init~int(58, #t~string57.base, 5 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 6 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(110, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 2 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(102, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(102, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 3 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string63.base, #t~string63.offset, 1);call write~init~int(32, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 2 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string65.base, #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 1 + #t~string65.offset, 1); 11#L-1true havoc main_#res;havoc main_#t~ret48, main_~retValue_acc~7, main_~tmp~4;havoc main_~retValue_acc~7;havoc main_~tmp~4; 14#L65true havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 9#L73true main_#t~ret48 := valid_product_#res;main_~tmp~4 := main_#t~ret48;havoc main_#t~ret48; 58#L657true assume 0 != main_~tmp~4; 4#L632true ~methAndRunningLastTime~0 := 0; 30#L172true havoc test_#t~nondet66, test_#t~nondet67, test_#t~nondet68, test_#t~nondet69, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 29#L183-1true [2018-12-08 10:40:41,937 INFO L796 eck$LassoCheckResult]: Loop: 29#L183-1true assume !false; 7#L800true assume test_~splverifierCounter~0 < 4; 21#L801true test_~tmp~5 := test_#t~nondet66;havoc test_#t~nondet66; 23#L809true assume !(0 != test_~tmp~5); 28#L809-1true test_~tmp___0~1 := test_#t~nondet67;havoc test_#t~nondet67; 13#L819true assume !(0 != test_~tmp___0~1); 15#L819-1true test_~tmp___2~0 := test_#t~nondet68;havoc test_#t~nondet68; 56#L829true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 3#L837-2true assume !(0 != ~pumpRunning~0); 24#L681true assume 0 != ~systemActive~0; 37#L688true havoc __utac_acc__Specification2_spec__2_#t~ret11, __utac_acc__Specification2_spec__2_#t~ret12, __utac_acc__Specification2_spec__2_~tmp~0, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~0;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~2;havoc isMethaneLevelCritical_~retValue_acc~2;isMethaneLevelCritical_~retValue_acc~2 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~2; 12#L127true __utac_acc__Specification2_spec__2_#t~ret11 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~0 := __utac_acc__Specification2_spec__2_#t~ret11;havoc __utac_acc__Specification2_spec__2_#t~ret11; 32#L183true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~0);~methAndRunningLastTime~0 := 0; 29#L183-1true [2018-12-08 10:40:41,941 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 10:40:41,941 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2018-12-08 10:40:41,942 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 10:40:41,942 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 10:40:41,973 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:40:41,973 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 10:40:41,973 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:40:42,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 10:40:42,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 10:40:42,115 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 10:40:42,115 INFO L82 PathProgramCache]: Analyzing trace with hash 2663790, now seen corresponding path program 1 times [2018-12-08 10:40:42,115 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 10:40:42,115 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 10:40:42,116 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:40:42,116 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 10:40:42,116 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:40:42,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 10:40:42,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 10:40:42,124 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 10:40:42,124 INFO L82 PathProgramCache]: Analyzing trace with hash 835960296, now seen corresponding path program 1 times [2018-12-08 10:40:42,124 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 10:40:42,125 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 10:40:42,125 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:40:42,125 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 10:40:42,125 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:40:42,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 10:40:42,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 10:40:44,734 WARN L180 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 429 DAG size of output: 427 [2018-12-08 10:40:45,853 WARN L180 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 425 [2018-12-08 10:40:45,882 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 08.12 10:40:45 BoogieIcfgContainer [2018-12-08 10:40:45,882 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-12-08 10:40:45,882 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 10:40:45,882 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 10:40:45,883 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 10:40:45,883 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 10:40:41" (3/4) ... [2018-12-08 10:40:45,886 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-12-08 10:40:45,919 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_97df2982-21ef-482f-81bc-f486e4ea4cb6/bin-2019/uautomizer/witness.graphml [2018-12-08 10:40:45,919 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 10:40:45,920 INFO L168 Benchmark]: Toolchain (without parser) took 4682.43 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 306.7 MB). Free memory was 956.0 MB in the beginning and 1.0 GB in the end (delta: -83.8 MB). Peak memory consumption was 222.9 MB. Max. memory is 11.5 GB. [2018-12-08 10:40:45,920 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 10:40:45,921 INFO L168 Benchmark]: CACSL2BoogieTranslator took 276.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -160.3 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. [2018-12-08 10:40:45,921 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.34 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. [2018-12-08 10:40:45,921 INFO L168 Benchmark]: Boogie Preprocessor took 17.29 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. [2018-12-08 10:40:45,921 INFO L168 Benchmark]: RCFGBuilder took 294.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 55.3 MB). Peak memory consumption was 55.3 MB. Max. memory is 11.5 GB. [2018-12-08 10:40:45,921 INFO L168 Benchmark]: BuchiAutomizer took 4024.51 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 174.1 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 9.6 MB). Peak memory consumption was 371.9 MB. Max. memory is 11.5 GB. [2018-12-08 10:40:45,922 INFO L168 Benchmark]: Witness Printer took 37.00 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 11.5 GB. [2018-12-08 10:40:45,923 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 276.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -160.3 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.34 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. * Boogie Preprocessor took 17.29 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. * RCFGBuilder took 294.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 55.3 MB). Peak memory consumption was 55.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 4024.51 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 174.1 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 9.6 MB). Peak memory consumption was 371.9 MB. Max. memory is 11.5 GB. * Witness Printer took 37.00 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one nonterminating module. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.9s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 3.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: No data available LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 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: 799]: 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=22, NULL=33, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@16402e36=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=31, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2d65186a=0, NULL=0, NULL=0, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6eacc92=0, NULL=27, NULL=0, tmp=0, NULL=8, NULL=36, NULL=11, tmp___1=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=34, cleanupTimeShifts=4, NULL=17, NULL=35, NULL=18, NULL=20, NULL=15, NULL=0, systemActive=1, waterLevel=1, NULL=0, retValue_acc=0, NULL=0, NULL=26, NULL=0, NULL=0, NULL=0, NULL=28, \result=1, head=0, pumpRunning=0, NULL=24, \result=0, tmp=1, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@212ff260=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@660aee8b=56, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7debbdc5=0, NULL=0, NULL=0, NULL=38, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1704cc32=0, tmp___0=0, NULL=19, retValue_acc=1, tmp___2=56, tmp___0=0, splverifierCounter=0, NULL=0, methAndRunningLastTime=0, \result=0, NULL=39, NULL=12, head=0, NULL=29, tmp=0, NULL=0, NULL=23, NULL=16, NULL=37, NULL=14} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L84] int waterLevel = 1; [L85] int methaneLevelCritical = 0; [L166] int methAndRunningLastTime ; [L374] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L571] int cleanupTimeShifts = 4; [L674] int pumpRunning = 0; [L675] int systemActive = 1; [L648] int retValue_acc ; [L649] int tmp ; [L69] int retValue_acc ; [L72] retValue_acc = 1 [L73] return (retValue_acc); [L655] tmp = valid_product() [L657] COND TRUE \read(tmp) [L171] methAndRunningLastTime = 0 [L790] int splverifierCounter ; [L791] int tmp ; [L792] int tmp___0 ; [L793] int tmp___1 ; [L794] int tmp___2 ; [L797] splverifierCounter = 0 Loop: [L799] COND TRUE 1 [L801] COND TRUE splverifierCounter < 4 [L807] tmp = __VERIFIER_nondet_int() [L809] COND FALSE !(\read(tmp)) [L817] tmp___0 = __VERIFIER_nondet_int() [L819] COND FALSE !(\read(tmp___0)) [L827] tmp___2 = __VERIFIER_nondet_int() [L829] COND TRUE \read(tmp___2) [L784] systemActive = 1 [L681] COND FALSE !(\read(pumpRunning)) [L688] COND TRUE \read(systemActive) [L176] int tmp ; [L177] int tmp___0 ; [L123] int retValue_acc ; [L126] retValue_acc = methaneLevelCritical [L127] return (retValue_acc); [L181] tmp = isMethaneLevelCritical() [L183] COND FALSE !(\read(tmp)) [L199] methAndRunningLastTime = 0 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...