./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec2_product09_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 91b1670e Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i /storage/repos/svcomp/c/product-lines/minepump_spec2_product09_true-unreach-call_false-termination.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 f306469f6fc3f3c0759d128d38f84cc775adb88e ........................................................................................................................................................................................................................................................................................................ 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 0.1.24-91b1670 [2018-11-28 23:55:56,782 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 23:55:56,784 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 23:55:56,797 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 23:55:56,797 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 23:55:56,798 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 23:55:56,799 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 23:55:56,802 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 23:55:56,804 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 23:55:56,807 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 23:55:56,808 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 23:55:56,809 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 23:55:56,809 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 23:55:56,810 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 23:55:56,814 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 23:55:56,815 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 23:55:56,816 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 23:55:56,818 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 23:55:56,823 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 23:55:56,828 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 23:55:56,830 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 23:55:56,831 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 23:55:56,836 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 23:55:56,837 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 23:55:56,837 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 23:55:56,838 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 23:55:56,838 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 23:55:56,839 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 23:55:56,840 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 23:55:56,842 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 23:55:56,842 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 23:55:56,843 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 23:55:56,843 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 23:55:56,843 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 23:55:56,844 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 23:55:56,847 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 23:55:56,848 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-28 23:55:56,869 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 23:55:56,869 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 23:55:56,871 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 23:55:56,871 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 23:55:56,871 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 23:55:56,871 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-28 23:55:56,871 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-28 23:55:56,871 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-28 23:55:56,872 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-28 23:55:56,872 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-28 23:55:56,872 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-28 23:55:56,872 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 23:55:56,872 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 23:55:56,873 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 23:55:56,873 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 23:55:56,873 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 23:55:56,873 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 23:55:56,873 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-28 23:55:56,873 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-28 23:55:56,874 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-28 23:55:56,874 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 23:55:56,874 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 23:55:56,874 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-28 23:55:56,874 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 23:55:56,874 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-28 23:55:56,875 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 23:55:56,875 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 23:55:56,875 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-28 23:55:56,875 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 23:55:56,875 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 23:55:56,876 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-28 23:55:56,876 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-28 23:55:56,877 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> f306469f6fc3f3c0759d128d38f84cc775adb88e [2018-11-28 23:55:56,910 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 23:55:56,923 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 23:55:56,928 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 23:55:56,929 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 23:55:56,930 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 23:55:56,931 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec2_product09_true-unreach-call_false-termination.cil.c [2018-11-28 23:55:56,994 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39353fc4b/3715a04d84fb4ea9a9bc0a9d44fefd51/FLAG85317ae97 [2018-11-28 23:55:57,577 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 23:55:57,578 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec2_product09_true-unreach-call_false-termination.cil.c [2018-11-28 23:55:57,589 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39353fc4b/3715a04d84fb4ea9a9bc0a9d44fefd51/FLAG85317ae97 [2018-11-28 23:55:57,832 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39353fc4b/3715a04d84fb4ea9a9bc0a9d44fefd51 [2018-11-28 23:55:57,838 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 23:55:57,839 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 23:55:57,840 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 23:55:57,840 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 23:55:57,844 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 23:55:57,845 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:55:57" (1/1) ... [2018-11-28 23:55:57,849 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21286dc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:55:57, skipping insertion in model container [2018-11-28 23:55:57,850 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:55:57" (1/1) ... [2018-11-28 23:55:57,858 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 23:55:57,920 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 23:55:58,253 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:55:58,289 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 23:55:58,390 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:55:58,435 INFO L195 MainTranslator]: Completed translation [2018-11-28 23:55:58,435 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:55:58 WrapperNode [2018-11-28 23:55:58,436 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 23:55:58,436 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 23:55:58,436 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 23:55:58,437 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 23:55:58,520 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:55:58" (1/1) ... [2018-11-28 23:55:58,539 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:55:58" (1/1) ... [2018-11-28 23:55:58,578 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 23:55:58,578 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 23:55:58,578 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 23:55:58,578 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 23:55:58,588 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:55:58" (1/1) ... [2018-11-28 23:55:58,588 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:55:58" (1/1) ... [2018-11-28 23:55:58,592 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:55:58" (1/1) ... [2018-11-28 23:55:58,592 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:55:58" (1/1) ... [2018-11-28 23:55:58,600 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:55:58" (1/1) ... [2018-11-28 23:55:58,608 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:55:58" (1/1) ... [2018-11-28 23:55:58,610 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:55:58" (1/1) ... [2018-11-28 23:55:58,614 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 23:55:58,614 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 23:55:58,615 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 23:55:58,615 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 23:55:58,616 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:55:58" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2018-11-28 23:55:58,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 23:55:58,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 23:55:58,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 23:55:58,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 23:55:59,620 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 23:55:59,620 INFO L280 CfgBuilder]: Removed 68 assue(true) statements. [2018-11-28 23:55:59,621 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:55:59 BoogieIcfgContainer [2018-11-28 23:55:59,621 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 23:55:59,622 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-28 23:55:59,622 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-28 23:55:59,626 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-28 23:55:59,627 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:55:59,627 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 11:55:57" (1/3) ... [2018-11-28 23:55:59,628 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@34c468ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:55:59, skipping insertion in model container [2018-11-28 23:55:59,629 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:55:59,629 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:55:58" (2/3) ... [2018-11-28 23:55:59,629 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@34c468ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:55:59, skipping insertion in model container [2018-11-28 23:55:59,629 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:55:59,630 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:55:59" (3/3) ... [2018-11-28 23:55:59,633 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product09_true-unreach-call_false-termination.cil.c [2018-11-28 23:55:59,689 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 23:55:59,690 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-28 23:55:59,690 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-28 23:55:59,690 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-28 23:55:59,690 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 23:55:59,691 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 23:55:59,691 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-28 23:55:59,691 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 23:55:59,691 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-28 23:55:59,708 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 58 states. [2018-11-28 23:55:59,734 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 35 [2018-11-28 23:55:59,735 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:55:59,735 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:55:59,744 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:55:59,744 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:55:59,744 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-28 23:55:59,744 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 58 states. [2018-11-28 23:55:59,749 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 35 [2018-11-28 23:55:59,749 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:55:59,749 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:55:59,750 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:55:59,750 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:55:59,756 INFO L794 eck$LassoCheckResult]: Stem: 21#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~head~0.base, ~head~0.offset := 0, 0;call #t~string18.base, #t~string18.offset := #Ultimate.alloc(30);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(9);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(21);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(30);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(9);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(21);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(30);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(9);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(25);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(25);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string42.base, #t~string42.offset := #Ultimate.alloc(13);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string44.base, #t~string44.offset, 1);call write~init~int(110, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 2 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(102, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(102, #t~string46.base, 2 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 3 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string48.base, #t~string48.offset, 1);call write~init~int(80, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(117, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(109, #t~string48.base, 3 + #t~string48.offset, 1);call write~init~int(112, #t~string48.base, 4 + #t~string48.offset, 1);call write~init~int(58, #t~string48.base, 5 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 6 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string50.base, #t~string50.offset, 1);call write~init~int(110, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 2 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string52.base, #t~string52.offset, 1);call write~init~int(102, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(102, #t~string52.base, 2 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 3 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string54.base, #t~string54.offset, 1);call write~init~int(32, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 2 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string56.base, #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 1 + #t~string56.offset, 1);~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string61.base, #t~string61.offset := #Ultimate.alloc(13);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string63.base, #t~string63.offset, 1);call write~init~int(77, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(101, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(116, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(104, #t~string63.base, 4 + #t~string63.offset, 1);call write~init~int(58, #t~string63.base, 5 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 6 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string65.base, #t~string65.offset, 1);call write~init~int(82, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(73, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(84, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 4 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(75, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1); 8#L-1true havoc main_#res;havoc main_#t~ret59, main_~retValue_acc~5, main_~tmp~6;havoc main_~retValue_acc~5;havoc main_~tmp~6; 12#L859true havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; 17#L867true main_#t~ret59 := valid_product_#res;main_~tmp~6 := main_#t~ret59;havoc main_#t~ret59; 11#L742true assume 0 != main_~tmp~6; 50#L715true ~methAndRunningLastTime~0 := 0; 46#L623true havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 27#L634-1true [2018-11-28 23:55:59,756 INFO L796 eck$LassoCheckResult]: Loop: 27#L634-1true assume !false; 48#L430true assume test_~splverifierCounter~0 < 4; 16#L431true test_~tmp~3 := test_#t~nondet35;havoc test_#t~nondet35; 18#L439true assume !(0 != test_~tmp~3); 19#L439-1true test_~tmp___0~0 := test_#t~nondet36;havoc test_#t~nondet36; 3#L449true assume !(0 != test_~tmp___0~0); 4#L449-1true test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; 51#L459true assume 0 != test_~tmp___2~0; 26#L465-2true assume !(0 != ~pumpRunning~0); 38#L499true assume 0 != ~systemActive~0; 43#L506true havoc __utac_acc__Specification2_spec__2_#t~ret57, __utac_acc__Specification2_spec__2_#t~ret58, __utac_acc__Specification2_spec__2_~tmp~5, __utac_acc__Specification2_spec__2_~tmp___0~1;havoc __utac_acc__Specification2_spec__2_~tmp~5;havoc __utac_acc__Specification2_spec__2_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; 5#L800true __utac_acc__Specification2_spec__2_#t~ret57 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~5 := __utac_acc__Specification2_spec__2_#t~ret57;havoc __utac_acc__Specification2_spec__2_#t~ret57; 44#L634true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~5);~methAndRunningLastTime~0 := 0; 27#L634-1true [2018-11-28 23:55:59,766 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:55:59,766 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2018-11-28 23:55:59,769 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:55:59,769 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:55:59,814 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:55:59,814 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:55:59,815 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:55:59,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:56:00,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:56:00,049 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:56:00,049 INFO L82 PathProgramCache]: Analyzing trace with hash 1709485, now seen corresponding path program 1 times [2018-11-28 23:56:00,049 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:56:00,049 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:56:00,050 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:56:00,051 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:56:00,051 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:56:00,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:56:00,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:56:00,071 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:56:00,072 INFO L82 PathProgramCache]: Analyzing trace with hash 835005991, now seen corresponding path program 1 times [2018-11-28 23:56:00,072 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:56:00,072 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:56:00,073 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:56:00,073 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:56:00,073 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:56:00,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:56:00,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:56:00,384 WARN L180 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2018-11-28 23:56:00,621 WARN L180 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2018-11-28 23:56:09,588 WARN L180 SmtUtils]: Spent 8.95 s on a formula simplification. DAG size of input: 429 DAG size of output: 427 [2018-11-28 23:56:13,642 WARN L180 SmtUtils]: Spent 4.04 s on a formula simplification that was a NOOP. DAG size: 425 [2018-11-28 23:56:13,706 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 11:56:13 BoogieIcfgContainer [2018-11-28 23:56:13,706 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-28 23:56:13,707 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 23:56:13,707 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 23:56:13,707 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 23:56:13,708 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:55:59" (3/4) ... [2018-11-28 23:56:13,712 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-28 23:56:13,772 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 23:56:13,772 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 23:56:13,773 INFO L168 Benchmark]: Toolchain (without parser) took 15935.16 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 294.6 MB). Free memory was 947.3 MB in the beginning and 1.0 GB in the end (delta: -79.5 MB). Peak memory consumption was 215.2 MB. Max. memory is 11.5 GB. [2018-11-28 23:56:13,775 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:56:13,775 INFO L168 Benchmark]: CACSL2BoogieTranslator took 595.71 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 920.5 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2018-11-28 23:56:13,776 INFO L168 Benchmark]: Boogie Procedure Inliner took 141.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 920.5 MB in the beginning and 1.1 GB in the end (delta: -204.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. [2018-11-28 23:56:13,777 INFO L168 Benchmark]: Boogie Preprocessor took 36.05 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. [2018-11-28 23:56:13,778 INFO L168 Benchmark]: RCFGBuilder took 1006.72 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: 51.1 MB). Peak memory consumption was 51.1 MB. Max. memory is 11.5 GB. [2018-11-28 23:56:13,779 INFO L168 Benchmark]: BuchiAutomizer took 14084.25 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 155.7 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 47.3 MB). Peak memory consumption was 340.7 MB. Max. memory is 11.5 GB. [2018-11-28 23:56:13,780 INFO L168 Benchmark]: Witness Printer took 65.80 ms. Allocated memory is still 1.3 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:56:13,784 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 595.71 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 920.5 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 141.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 920.5 MB in the beginning and 1.1 GB in the end (delta: -204.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 36.05 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 1006.72 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: 51.1 MB). Peak memory consumption was 51.1 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 14084.25 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 155.7 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 47.3 MB). Peak memory consumption was 340.7 MB. Max. memory is 11.5 GB. * Witness Printer took 65.80 ms. Allocated memory is still 1.3 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one nonterminating module. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 14.0s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 13.9s. 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: 429]: 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=0, NULL=0, NULL=35, NULL=0, retValue_acc=0, NULL=0, NULL=36, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@c98afc5=0, NULL=31, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@65055341=0, tmp=0, NULL=0, NULL=0, NULL=0, tmp___1=0, NULL=16, NULL=19, NULL=23, NULL=17, cleanupTimeShifts=4, NULL=14, NULL=8, NULL=27, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7a274654=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@73964929=56, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@47dd332f=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@a3fcbc5=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=28, NULL=0, NULL=0, retValue_acc=0, NULL=11, NULL=0, tmp___0=0, NULL=0, NULL=0, NULL=0, \result=1, NULL=26, head=0, pumpRunning=0, \result=0, NULL=39, NULL=22, NULL=0, NULL=0, tmp=1, NULL=34, NULL=37, retValue_acc=1, NULL=33, NULL=20, tmp___2=56, tmp___0=0, NULL=15, splverifierCounter=0, methAndRunningLastTime=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6a047772=0, head=0, NULL=0, NULL=24, NULL=18, NULL=0, NULL=12, NULL=0, NULL=0, NULL=29, tmp=0, NULL=0, NULL=38} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L218] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L491] int pumpRunning = 0; [L492] int systemActive = 1; [L617] int methAndRunningLastTime ; [L656] int cleanupTimeShifts = 4; [L757] int waterLevel = 1; [L758] int methaneLevelCritical = 0; [L733] int retValue_acc ; [L734] int tmp ; [L863] int retValue_acc ; [L866] retValue_acc = 1 [L867] return (retValue_acc); [L740] tmp = valid_product() [L742] COND TRUE \read(tmp) [L622] methAndRunningLastTime = 0 [L420] int splverifierCounter ; [L421] int tmp ; [L422] int tmp___0 ; [L423] int tmp___1 ; [L424] int tmp___2 ; [L427] splverifierCounter = 0 Loop: [L429] COND TRUE 1 [L431] COND TRUE splverifierCounter < 4 [L437] tmp = __VERIFIER_nondet_int() [L439] COND FALSE !(\read(tmp)) [L447] tmp___0 = __VERIFIER_nondet_int() [L449] COND FALSE !(\read(tmp___0)) [L457] tmp___2 = __VERIFIER_nondet_int() [L459] COND TRUE \read(tmp___2) [L499] COND FALSE !(\read(pumpRunning)) [L506] COND TRUE \read(systemActive) [L627] int tmp ; [L628] int tmp___0 ; [L796] int retValue_acc ; [L799] retValue_acc = methaneLevelCritical [L800] return (retValue_acc); [L632] tmp = isMethaneLevelCritical() [L634] COND FALSE !(\read(tmp)) [L650] methAndRunningLastTime = 0 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...