./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product04.cil.c --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -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 ../sv-benchmarks/c/product-lines/minepump_spec2_product04.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 ec9c68e540d71032e1f0fa689079da08dc76dcea .................................................................................................................................................................................................................................................................................................................. 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 0.1.25-8bd4bc6 [2020-07-29 02:31:29,693 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-29 02:31:29,695 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-29 02:31:29,707 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-29 02:31:29,708 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-29 02:31:29,709 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-29 02:31:29,711 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-29 02:31:29,714 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-29 02:31:29,716 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-29 02:31:29,717 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-29 02:31:29,719 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-29 02:31:29,720 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-29 02:31:29,721 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-29 02:31:29,722 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-29 02:31:29,724 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-29 02:31:29,725 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-29 02:31:29,727 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-29 02:31:29,728 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-29 02:31:29,731 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-29 02:31:29,734 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-29 02:31:29,736 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-29 02:31:29,737 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-29 02:31:29,739 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-29 02:31:29,740 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-29 02:31:29,743 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-29 02:31:29,744 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-29 02:31:29,744 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-29 02:31:29,745 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-29 02:31:29,746 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-29 02:31:29,747 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-29 02:31:29,748 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-29 02:31:29,749 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-29 02:31:29,750 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-29 02:31:29,751 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-29 02:31:29,752 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-29 02:31:29,753 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-29 02:31:29,753 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-29 02:31:29,754 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-29 02:31:29,754 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-29 02:31:29,755 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-29 02:31:29,756 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-29 02:31:29,758 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-07-29 02:31:29,785 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-29 02:31:29,785 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-29 02:31:29,786 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-29 02:31:29,788 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-29 02:31:29,788 INFO L138 SettingsManager]: * Use SBE=true [2020-07-29 02:31:29,789 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-07-29 02:31:29,789 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-07-29 02:31:29,789 INFO L138 SettingsManager]: * Use old map elimination=false [2020-07-29 02:31:29,790 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-07-29 02:31:29,790 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-07-29 02:31:29,791 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-07-29 02:31:29,792 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-29 02:31:29,792 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-29 02:31:29,793 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-29 02:31:29,793 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-29 02:31:29,793 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-29 02:31:29,794 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-29 02:31:29,794 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-07-29 02:31:29,794 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-07-29 02:31:29,795 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-07-29 02:31:29,795 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-29 02:31:29,796 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-29 02:31:29,796 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-07-29 02:31:29,796 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-29 02:31:29,797 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-07-29 02:31:29,797 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-29 02:31:29,797 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-29 02:31:29,798 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-07-29 02:31:29,798 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-29 02:31:29,798 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-29 02:31:29,799 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-29 02:31:29,800 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-07-29 02:31:29,802 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-07-29 02:31:29,803 INFO L138 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 -> ec9c68e540d71032e1f0fa689079da08dc76dcea [2020-07-29 02:31:30,133 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-29 02:31:30,148 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-29 02:31:30,152 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-29 02:31:30,154 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-29 02:31:30,155 INFO L275 PluginConnector]: CDTParser initialized [2020-07-29 02:31:30,155 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product04.cil.c [2020-07-29 02:31:30,235 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a45a7c187/04f628ca32f84df0acd1114025511b2a/FLAGeca431184 [2020-07-29 02:31:30,800 INFO L306 CDTParser]: Found 1 translation units. [2020-07-29 02:31:30,802 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product04.cil.c [2020-07-29 02:31:30,815 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a45a7c187/04f628ca32f84df0acd1114025511b2a/FLAGeca431184 [2020-07-29 02:31:31,102 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a45a7c187/04f628ca32f84df0acd1114025511b2a [2020-07-29 02:31:31,106 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-29 02:31:31,110 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-29 02:31:31,111 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-29 02:31:31,111 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-29 02:31:31,115 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-29 02:31:31,117 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 02:31:31" (1/1) ... [2020-07-29 02:31:31,121 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@786e2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:31:31, skipping insertion in model container [2020-07-29 02:31:31,121 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 02:31:31" (1/1) ... [2020-07-29 02:31:31,130 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-29 02:31:31,176 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-29 02:31:31,656 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 02:31:31,674 INFO L203 MainTranslator]: Completed pre-run [2020-07-29 02:31:31,824 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 02:31:31,860 INFO L208 MainTranslator]: Completed translation [2020-07-29 02:31:31,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:31:31 WrapperNode [2020-07-29 02:31:31,861 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-29 02:31:31,864 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-29 02:31:31,864 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-29 02:31:31,866 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-29 02:31:31,876 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:31:31" (1/1) ... [2020-07-29 02:31:31,898 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:31:31" (1/1) ... [2020-07-29 02:31:31,960 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-29 02:31:31,960 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-29 02:31:31,960 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-29 02:31:31,960 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-29 02:31:31,981 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:31:31" (1/1) ... [2020-07-29 02:31:31,982 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:31:31" (1/1) ... [2020-07-29 02:31:31,988 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:31:31" (1/1) ... [2020-07-29 02:31:31,989 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:31:31" (1/1) ... [2020-07-29 02:31:32,008 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:31:31" (1/1) ... [2020-07-29 02:31:32,025 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:31:31" (1/1) ... [2020-07-29 02:31:32,029 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:31:31" (1/1) ... [2020-07-29 02:31:32,033 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-29 02:31:32,035 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-29 02:31:32,035 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-29 02:31:32,035 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-29 02:31:32,036 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:31:31" (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 [2020-07-29 02:31:32,109 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-29 02:31:32,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-29 02:31:32,110 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-29 02:31:32,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-29 02:31:33,490 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-29 02:31:33,491 INFO L295 CfgBuilder]: Removed 74 assume(true) statements. [2020-07-29 02:31:33,496 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 02:31:33 BoogieIcfgContainer [2020-07-29 02:31:33,496 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-29 02:31:33,497 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-07-29 02:31:33,497 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-07-29 02:31:33,502 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-07-29 02:31:33,503 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 02:31:33,504 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.07 02:31:31" (1/3) ... [2020-07-29 02:31:33,506 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@28b08b02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 02:31:33, skipping insertion in model container [2020-07-29 02:31:33,506 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 02:31:33,507 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:31:31" (2/3) ... [2020-07-29 02:31:33,507 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@28b08b02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 02:31:33, skipping insertion in model container [2020-07-29 02:31:33,508 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 02:31:33,508 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 02:31:33" (3/3) ... [2020-07-29 02:31:33,510 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product04.cil.c [2020-07-29 02:31:33,572 INFO L356 BuchiCegarLoop]: Interprodecural is true [2020-07-29 02:31:33,573 INFO L357 BuchiCegarLoop]: Hoare is false [2020-07-29 02:31:33,573 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-29 02:31:33,574 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-29 02:31:33,574 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-29 02:31:33,574 INFO L361 BuchiCegarLoop]: Difference is false [2020-07-29 02:31:33,575 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-29 02:31:33,575 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-07-29 02:31:33,593 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 60 states. [2020-07-29 02:31:33,637 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 37 [2020-07-29 02:31:33,638 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 02:31:33,638 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 02:31:33,647 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2020-07-29 02:31:33,647 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-29 02:31:33,648 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2020-07-29 02:31:33,648 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 60 states. [2020-07-29 02:31:33,659 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 37 [2020-07-29 02:31:33,659 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 02:31:33,659 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 02:31:33,660 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2020-07-29 02:31:33,661 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-29 02:31:33,667 INFO L794 eck$LassoCheckResult]: Stem: 35#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(13);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string45.base, #t~string45.offset, 1);call write~init~int(110, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 2 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string47.base, #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 3 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string49.base, #t~string49.offset, 1);call write~init~int(80, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(117, #t~string49.base, 2 + #t~string49.offset, 1);call write~init~int(109, #t~string49.base, 3 + #t~string49.offset, 1);call write~init~int(112, #t~string49.base, 4 + #t~string49.offset, 1);call write~init~int(58, #t~string49.base, 5 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 6 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(110, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 2 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 2 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 3 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string55.base, #t~string55.offset, 1);call write~init~int(32, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string57.base, #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 1 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(13);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(77, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(101, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(116, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(104, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string63.base, #t~string63.offset, 1);call write~init~int(82, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(73, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(84, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 4 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(75, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0; 15#L-1true havoc main_#res;havoc main_#t~ret36, main_~retValue_acc~5, main_~tmp~3;havoc main_~retValue_acc~5;havoc main_~tmp~3; 26#L431true havoc valid_product_#res;havoc valid_product_~retValue_acc~4;havoc valid_product_~retValue_acc~4;valid_product_~retValue_acc~4 := 1;valid_product_#res := valid_product_~retValue_acc~4; 29#L439true main_#t~ret36 := valid_product_#res;main_~tmp~3 := main_#t~ret36;havoc main_#t~ret36; 12#L533true assume 0 != main_~tmp~3; 60#L507true ~methAndRunningLastTime~0 := 0; 54#L851true havoc test_#t~nondet37, test_#t~nondet38, test_#t~nondet39, test_#t~nondet40, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 55#L862-1true [2020-07-29 02:31:33,669 INFO L796 eck$LassoCheckResult]: Loop: 55#L862-1true assume !false; 36#L560true assume test_~splverifierCounter~0 < 4; 41#L561true test_~tmp~4 := test_#t~nondet37;havoc test_#t~nondet37; 43#L569true assume !(0 != test_~tmp~4); 45#L569-1true test_~tmp___0~0 := test_#t~nondet38;havoc test_#t~nondet38; 38#L579true assume !(0 != test_~tmp___0~0); 39#L579-1true test_~tmp___2~0 := test_#t~nondet39;havoc test_#t~nondet39; 28#L589true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 33#L597-1true assume !(0 != ~pumpRunning~0); 4#L632true assume 0 != ~systemActive~0; 14#L639true havoc __utac_acc__Specification2_spec__2_#t~ret68, __utac_acc__Specification2_spec__2_#t~ret69, __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~8;havoc isMethaneLevelCritical_~retValue_acc~8;isMethaneLevelCritical_~retValue_acc~8 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~8; 19#L808true __utac_acc__Specification2_spec__2_#t~ret68 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~5 := __utac_acc__Specification2_spec__2_#t~ret68;havoc __utac_acc__Specification2_spec__2_#t~ret68; 52#L862true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~5);~methAndRunningLastTime~0 := 0; 55#L862-1true [2020-07-29 02:31:33,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 02:31:33,677 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2020-07-29 02:31:33,690 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 02:31:33,691 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325492303] [2020-07-29 02:31:33,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 02:31:33,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 02:31:33,992 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 02:31:34,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 02:31:34,099 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 02:31:34,142 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 02:31:34,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 02:31:34,144 INFO L82 PathProgramCache]: Analyzing trace with hash 11252535, now seen corresponding path program 1 times [2020-07-29 02:31:34,145 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 02:31:34,145 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563004153] [2020-07-29 02:31:34,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 02:31:34,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 02:31:34,155 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 02:31:34,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 02:31:34,161 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 02:31:34,167 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 02:31:34,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 02:31:34,170 INFO L82 PathProgramCache]: Analyzing trace with hash 844549041, now seen corresponding path program 1 times [2020-07-29 02:31:34,170 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 02:31:34,171 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590713352] [2020-07-29 02:31:34,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 02:31:34,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 02:31:34,238 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 02:31:34,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 02:31:34,296 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 02:31:34,320 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 02:32:35,934 WARN L193 SmtUtils]: Spent 1.02 m on a formula simplification. DAG size of input: 456 DAG size of output: 404 [2020-07-29 02:33:17,818 WARN L193 SmtUtils]: Spent 41.43 s on a formula simplification that was a NOOP. DAG size: 402 [2020-07-29 02:33:18,043 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.07 02:33:18 BoogieIcfgContainer [2020-07-29 02:33:18,043 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-07-29 02:33:18,044 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-29 02:33:18,044 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-29 02:33:18,044 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-29 02:33:18,045 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 02:31:33" (3/4) ... [2020-07-29 02:33:18,049 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2020-07-29 02:33:18,117 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-29 02:33:18,118 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-29 02:33:18,120 INFO L168 Benchmark]: Toolchain (without parser) took 107012.61 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 303.0 MB). Free memory was 957.5 MB in the beginning and 1.0 GB in the end (delta: -78.9 MB). Peak memory consumption was 224.2 MB. Max. memory is 11.5 GB. [2020-07-29 02:33:18,121 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 02:33:18,122 INFO L168 Benchmark]: CACSL2BoogieTranslator took 752.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 957.5 MB in the beginning and 1.1 GB in the end (delta: -154.5 MB). Peak memory consumption was 25.8 MB. Max. memory is 11.5 GB. [2020-07-29 02:33:18,123 INFO L168 Benchmark]: Boogie Procedure Inliner took 96.11 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. [2020-07-29 02:33:18,124 INFO L168 Benchmark]: Boogie Preprocessor took 73.84 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2020-07-29 02:33:18,124 INFO L168 Benchmark]: RCFGBuilder took 1461.84 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 994.3 MB in the end (delta: 111.1 MB). Peak memory consumption was 111.1 MB. Max. memory is 11.5 GB. [2020-07-29 02:33:18,126 INFO L168 Benchmark]: BuchiAutomizer took 104546.37 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 159.4 MB). Free memory was 994.3 MB in the beginning and 1.0 GB in the end (delta: -42.1 MB). Peak memory consumption was 304.7 MB. Max. memory is 11.5 GB. [2020-07-29 02:33:18,127 INFO L168 Benchmark]: Witness Printer took 73.74 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. [2020-07-29 02:33:18,134 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 752.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 957.5 MB in the beginning and 1.1 GB in the end (delta: -154.5 MB). Peak memory consumption was 25.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 96.11 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 73.84 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1461.84 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 994.3 MB in the end (delta: 111.1 MB). Peak memory consumption was 111.1 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 104546.37 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 159.4 MB). Free memory was 994.3 MB in the beginning and 1.0 GB in the end (delta: -42.1 MB). Peak memory consumption was 304.7 MB. Max. memory is 11.5 GB. * Witness Printer took 73.74 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 104.4s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 104.3s. 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: 559]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=14865} State at position 1 is {NULL=0, NULL=0, NULL=14879, NULL=0, NULL=14865, NULL=0, retValue_acc=0, NULL=0, NULL=14876, NULL=0, methaneLevelCritical=0, NULL=0, tmp=0, NULL=0, tmp___1=0, NULL=14884, NULL=14869, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2fed27af=0, NULL=14866, NULL=14886, cleanupTimeShifts=4, NULL=14871, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@79c2b8f6=57, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7527a64e=0, NULL=14867, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@359c3ec0=0, NULL=14890, NULL=0, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@96e7d1d=0, NULL=0, systemActive=1, waterLevel=1, NULL=0, NULL=0, retValue_acc=0, NULL=0, NULL=14878, tmp___0=0, NULL=0, NULL=0, NULL=0, \result=1, NULL=14868, head=0, pumpRunning=0, NULL=14875, NULL=14881, \result=0, NULL=14872, tmp=1, NULL=0, NULL=0, NULL=0, retValue_acc=1, NULL=14877, NULL=14889, NULL=14870, tmp___2=57, tmp___0=0, NULL=14874, splverifierCounter=0, NULL=0, methAndRunningLastTime=0, \result=0, NULL=14883, head=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1a099ec3=0, NULL=0, NULL=14885, NULL=14888, NULL=0, NULL=14887, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5de9d901=0, NULL=0, NULL=0, NULL=14880, tmp=0, NULL=14882, NULL=14873} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L209] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L444] int cleanupTimeShifts = 4; [L624] int pumpRunning = 0; [L625] int systemActive = 1; [L765] int waterLevel = 1; [L766] int methaneLevelCritical = 0; [L845] int methAndRunningLastTime ; [L524] int retValue_acc ; [L525] int tmp ; [L435] int retValue_acc ; [L438] retValue_acc = 1 [L439] return (retValue_acc); [L531] tmp = valid_product() [L533] COND TRUE \read(tmp) [L850] methAndRunningLastTime = 0 [L550] int splverifierCounter ; [L551] int tmp ; [L552] int tmp___0 ; [L553] int tmp___1 ; [L554] int tmp___2 ; [L557] splverifierCounter = 0 Loop: [L559] COND TRUE 1 [L561] COND TRUE splverifierCounter < 4 [L567] tmp = __VERIFIER_nondet_int() [L569] COND FALSE !(\read(tmp)) [L577] tmp___0 = __VERIFIER_nondet_int() [L579] COND FALSE !(\read(tmp___0)) [L587] tmp___2 = __VERIFIER_nondet_int() [L589] COND TRUE \read(tmp___2) [L750] systemActive = 1 [L632] COND FALSE !(\read(pumpRunning)) [L639] COND TRUE \read(systemActive) [L855] int tmp ; [L856] int tmp___0 ; [L804] int retValue_acc ; [L807] retValue_acc = methaneLevelCritical [L808] return (retValue_acc); [L860] tmp = isMethaneLevelCritical() [L862] COND FALSE !(\read(tmp)) [L878] methAndRunningLastTime = 0 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...