./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product02.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f470102c Calling Ultimate with: /usr/bin/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 ../sv-benchmarks/c/product-lines/minepump_spec1_product02.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 14bbe860e6ae6a1128c2aa8898396ae07ba8a16d ........................................................................................................................................................................................................................................................................................................ 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-f470102 [2019-11-28 20:57:16,768 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 20:57:16,771 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 20:57:16,791 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 20:57:16,791 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 20:57:16,794 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 20:57:16,796 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 20:57:16,808 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 20:57:16,814 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 20:57:16,818 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 20:57:16,820 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 20:57:16,822 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 20:57:16,823 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 20:57:16,826 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 20:57:16,827 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 20:57:16,829 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 20:57:16,831 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 20:57:16,832 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 20:57:16,835 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 20:57:16,839 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 20:57:16,843 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 20:57:16,848 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 20:57:16,849 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 20:57:16,851 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 20:57:16,854 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 20:57:16,854 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 20:57:16,854 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 20:57:16,856 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 20:57:16,857 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 20:57:16,858 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 20:57:16,858 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 20:57:16,859 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 20:57:16,860 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 20:57:16,861 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 20:57:16,862 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 20:57:16,863 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 20:57:16,864 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 20:57:16,864 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 20:57:16,864 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 20:57:16,865 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 20:57:16,867 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 20:57:16,868 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-28 20:57:16,903 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 20:57:16,903 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 20:57:16,909 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 20:57:16,910 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 20:57:16,910 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 20:57:16,910 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-28 20:57:16,910 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-28 20:57:16,911 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-28 20:57:16,911 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-28 20:57:16,911 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-28 20:57:16,911 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-28 20:57:16,912 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 20:57:16,912 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 20:57:16,912 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 20:57:16,912 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 20:57:16,912 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 20:57:16,913 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 20:57:16,913 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-28 20:57:16,913 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-28 20:57:16,913 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-28 20:57:16,914 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 20:57:16,915 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 20:57:16,915 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-28 20:57:16,915 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 20:57:16,915 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-28 20:57:16,915 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 20:57:16,916 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 20:57:16,916 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-28 20:57:16,916 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 20:57:16,916 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 20:57:16,917 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 20:57:16,917 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-28 20:57:16,918 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-28 20:57:16,919 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 -> 14bbe860e6ae6a1128c2aa8898396ae07ba8a16d [2019-11-28 20:57:17,270 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 20:57:17,296 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 20:57:17,299 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 20:57:17,301 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 20:57:17,302 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 20:57:17,302 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product02.cil.c [2019-11-28 20:57:17,379 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5ba4b183/348d3b97582e49258b07d3d585ef1fee/FLAGf5ea3e727 [2019-11-28 20:57:17,942 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 20:57:17,942 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product02.cil.c [2019-11-28 20:57:17,957 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5ba4b183/348d3b97582e49258b07d3d585ef1fee/FLAGf5ea3e727 [2019-11-28 20:57:18,297 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5ba4b183/348d3b97582e49258b07d3d585ef1fee [2019-11-28 20:57:18,300 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 20:57:18,302 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 20:57:18,306 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 20:57:18,306 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 20:57:18,310 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 20:57:18,312 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:57:18" (1/1) ... [2019-11-28 20:57:18,316 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77ebb17e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:57:18, skipping insertion in model container [2019-11-28 20:57:18,316 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:57:18" (1/1) ... [2019-11-28 20:57:18,325 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 20:57:18,390 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 20:57:18,802 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 20:57:18,826 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 20:57:18,905 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 20:57:18,940 INFO L208 MainTranslator]: Completed translation [2019-11-28 20:57:18,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:57:18 WrapperNode [2019-11-28 20:57:18,941 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 20:57:18,942 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 20:57:18,942 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 20:57:18,942 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 20:57:18,952 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:57:18" (1/1) ... [2019-11-28 20:57:18,972 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:57:18" (1/1) ... [2019-11-28 20:57:19,008 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 20:57:19,009 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 20:57:19,009 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 20:57:19,010 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 20:57:19,019 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:57:18" (1/1) ... [2019-11-28 20:57:19,019 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:57:18" (1/1) ... [2019-11-28 20:57:19,023 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:57:18" (1/1) ... [2019-11-28 20:57:19,023 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:57:18" (1/1) ... [2019-11-28 20:57:19,032 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:57:18" (1/1) ... [2019-11-28 20:57:19,038 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:57:18" (1/1) ... [2019-11-28 20:57:19,041 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:57:18" (1/1) ... [2019-11-28 20:57:19,045 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 20:57:19,045 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 20:57:19,046 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 20:57:19,046 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 20:57:19,047 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:57:18" (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 [2019-11-28 20:57:19,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 20:57:19,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 20:57:19,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 20:57:19,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 20:57:19,861 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 20:57:19,861 INFO L287 CfgBuilder]: Removed 68 assume(true) statements. [2019-11-28 20:57:19,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:57:19 BoogieIcfgContainer [2019-11-28 20:57:19,864 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 20:57:19,865 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-28 20:57:19,865 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-28 20:57:19,869 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-28 20:57:19,870 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 20:57:19,871 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 08:57:18" (1/3) ... [2019-11-28 20:57:19,874 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@19b74e1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 08:57:19, skipping insertion in model container [2019-11-28 20:57:19,874 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 20:57:19,875 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:57:18" (2/3) ... [2019-11-28 20:57:19,876 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@19b74e1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 08:57:19, skipping insertion in model container [2019-11-28 20:57:19,876 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 20:57:19,876 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:57:19" (3/3) ... [2019-11-28 20:57:19,880 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product02.cil.c [2019-11-28 20:57:19,942 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-28 20:57:19,943 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-28 20:57:19,943 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-28 20:57:19,944 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 20:57:19,945 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 20:57:19,945 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-28 20:57:19,945 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 20:57:19,946 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-28 20:57:19,976 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 54 states. [2019-11-28 20:57:20,012 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 33 [2019-11-28 20:57:20,012 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:57:20,013 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:57:20,023 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 20:57:20,024 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:57:20,024 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-28 20:57:20,024 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 54 states. [2019-11-28 20:57:20,037 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 33 [2019-11-28 20:57:20,037 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:57:20,037 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:57:20,039 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 20:57:20,039 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:57:20,051 INFO L794 eck$LassoCheckResult]: Stem: 23#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(13);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string5.base, #t~string5.offset, 1);call write~init~int(110, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 2 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(102, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(102, #t~string7.base, 2 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 3 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string9.base, #t~string9.offset, 1);call write~init~int(80, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(117, #t~string9.base, 2 + #t~string9.offset, 1);call write~init~int(109, #t~string9.base, 3 + #t~string9.offset, 1);call write~init~int(112, #t~string9.base, 4 + #t~string9.offset, 1);call write~init~int(58, #t~string9.base, 5 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 6 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(110, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 2 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string13.base, #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 3 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string15.base, #t~string15.offset, 1);call write~init~int(32, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 2 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string17.base, #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 1 + #t~string17.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(13);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string28.base, #t~string28.offset, 1);call write~init~int(77, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(101, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(116, #t~string28.base, 3 + #t~string28.offset, 1);call write~init~int(104, #t~string28.base, 4 + #t~string28.offset, 1);call write~init~int(58, #t~string28.base, 5 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 6 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string30.base, #t~string30.offset, 1);call write~init~int(82, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(73, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(84, #t~string30.base, 3 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 4 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string32.base, #t~string32.offset, 1);call write~init~int(75, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 2 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string34.base, #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 1 + #t~string34.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(30);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(9);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(21);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(21);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(30);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(9);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(25);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 10#L-1true havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; 9#L383true 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; 12#L391true main_#t~ret0 := valid_product_#res;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 54#L130true assume 0 != main_~tmp~0; 19#L103true havoc test_#t~nondet18, test_#t~nondet19, test_#t~nondet20, test_#t~nondet21, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 6#L343-1true [2019-11-28 20:57:20,052 INFO L796 eck$LassoCheckResult]: Loop: 6#L343-1true assume !false; 26#L278true assume test_~splverifierCounter~0 < 4; 38#L279true test_~tmp~1 := test_#t~nondet18;havoc test_#t~nondet18; 47#L287true assume !(0 != test_~tmp~1); 37#L287-1true test_~tmp___0~0 := test_#t~nondet19;havoc test_#t~nondet19; 22#L297true assume !(0 != test_~tmp___0~0); 21#L297-1true test_~tmp___2~0 := test_#t~nondet20;havoc test_#t~nondet20; 11#L307true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 17#L315-2true assume !(0 != ~pumpRunning~0); 49#L159true assume 0 != ~systemActive~0; 31#L166true havoc __utac_acc__Specification1_spec__1_#t~ret22, __utac_acc__Specification1_spec__1_#t~ret23, __utac_acc__Specification1_spec__1_~tmp~2, __utac_acc__Specification1_spec__1_~tmp___0~1;havoc __utac_acc__Specification1_spec__1_~tmp~2;havoc __utac_acc__Specification1_spec__1_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~5;havoc isMethaneLevelCritical_~retValue_acc~5;isMethaneLevelCritical_~retValue_acc~5 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~5; 30#L440true __utac_acc__Specification1_spec__1_#t~ret22 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~2 := __utac_acc__Specification1_spec__1_#t~ret22;havoc __utac_acc__Specification1_spec__1_#t~ret22; 4#L343true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~2); 6#L343-1true [2019-11-28 20:57:20,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:57:20,059 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-11-28 20:57:20,066 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:57:20,067 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893252019] [2019-11-28 20:57:20,067 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:57:20,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:57:20,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:57:20,540 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:57:20,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:57:20,541 INFO L82 PathProgramCache]: Analyzing trace with hash -1681619226, now seen corresponding path program 1 times [2019-11-28 20:57:20,542 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:57:20,543 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523348414] [2019-11-28 20:57:20,543 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:57:20,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:57:20,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:57:20,576 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:57:20,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:57:20,580 INFO L82 PathProgramCache]: Analyzing trace with hash 32659712, now seen corresponding path program 1 times [2019-11-28 20:57:20,581 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:57:20,582 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121234049] [2019-11-28 20:57:20,583 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:57:20,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:57:20,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:57:20,753 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:57:20,875 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 31 [2019-11-28 20:57:46,784 WARN L192 SmtUtils]: Spent 25.83 s on a formula simplification. DAG size of input: 452 DAG size of output: 400 [2019-11-28 20:58:00,521 WARN L192 SmtUtils]: Spent 13.73 s on a formula simplification that was a NOOP. DAG size: 400 [2019-11-28 20:58:00,589 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 08:58:00 BoogieIcfgContainer [2019-11-28 20:58:00,591 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-28 20:58:00,591 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 20:58:00,591 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 20:58:00,592 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 20:58:00,592 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:57:19" (3/4) ... [2019-11-28 20:58:00,595 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-11-28 20:58:00,658 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 20:58:00,659 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 20:58:00,661 INFO L168 Benchmark]: Toolchain (without parser) took 42359.14 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 281.0 MB). Free memory was 960.4 MB in the beginning and 883.7 MB in the end (delta: 76.7 MB). Peak memory consumption was 357.7 MB. Max. memory is 11.5 GB. [2019-11-28 20:58:00,662 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 20:58:00,663 INFO L168 Benchmark]: CACSL2BoogieTranslator took 635.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -152.0 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. [2019-11-28 20:58:00,664 INFO L168 Benchmark]: Boogie Procedure Inliner took 66.88 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-28 20:58:00,664 INFO L168 Benchmark]: Boogie Preprocessor took 36.01 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. [2019-11-28 20:58:00,665 INFO L168 Benchmark]: RCFGBuilder took 818.58 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: 52.2 MB). Peak memory consumption was 52.2 MB. Max. memory is 11.5 GB. [2019-11-28 20:58:00,666 INFO L168 Benchmark]: BuchiAutomizer took 40726.34 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 145.2 MB). Free memory was 1.1 GB in the beginning and 886.7 MB in the end (delta: 166.7 MB). Peak memory consumption was 322.0 MB. Max. memory is 11.5 GB. [2019-11-28 20:58:00,667 INFO L168 Benchmark]: Witness Printer took 67.67 ms. Allocated memory is still 1.3 GB. Free memory was 886.7 MB in the beginning and 883.7 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 11.5 GB. [2019-11-28 20:58:00,671 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 635.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -152.0 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 66.88 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 36.01 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 818.58 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: 52.2 MB). Peak memory consumption was 52.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 40726.34 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 145.2 MB). Free memory was 1.1 GB in the beginning and 886.7 MB in the end (delta: 166.7 MB). Peak memory consumption was 322.0 MB. Max. memory is 11.5 GB. * Witness Printer took 67.67 ms. Allocated memory is still 1.3 GB. Free memory was 886.7 MB in the beginning and 883.7 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 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 40.6s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 40.5s. 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: 277]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=4912} State at position 1 is {NULL=6678, NULL=0, NULL=0, NULL=0, NULL=12979, NULL=0, retValue_acc=0, NULL=4912, NULL=6682, NULL=6686, NULL=4913, NULL=12985, NULL=6683, methaneLevelCritical=0, NULL=0, NULL=0, NULL=0, tmp___1=0, tmp___0=0, NULL=12982, cleanupTimeShifts=4, NULL=4915, tmp=0, NULL=6684, NULL=12987, NULL=0, systemActive=1, waterLevel=1, NULL=0, NULL=0, NULL=6677, retValue_acc=0, NULL=0, tmp___0=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, \result=1, head=0, pumpRunning=0, tmp=1, NULL=12977, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5c1eb798=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@39dda28d=0, NULL=4914, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@57904ba5=0, tmp=0, NULL=0, NULL=0, retValue_acc=1, NULL=12986, NULL=12983, tmp___2=57, NULL=6679, NULL=6676, splverifierCounter=0, NULL=0, NULL=0, NULL=0, NULL=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7fbfd01e=0, NULL=12980, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@572e246=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@648ee8d5=0, head=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4e0cc682=57, NULL=0, NULL=0, NULL=12984, NULL=6680, NULL=0, NULL=0, NULL=6681, NULL=12978, NULL=6685, NULL=12981} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L40] int cleanupTimeShifts = 4; [L151] int pumpRunning = 0; [L152] int systemActive = 1; [L397] int waterLevel = 1; [L398] int methaneLevelCritical = 0; [L655] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L121] int retValue_acc ; [L122] int tmp ; [L387] int retValue_acc ; [L390] retValue_acc = 1 [L391] return (retValue_acc); [L128] tmp = valid_product() [L130] COND TRUE \read(tmp) [L268] int splverifierCounter ; [L269] int tmp ; [L270] int tmp___0 ; [L271] int tmp___1 ; [L272] int tmp___2 ; [L275] splverifierCounter = 0 Loop: [L277] COND TRUE 1 [L279] COND TRUE splverifierCounter < 4 [L285] tmp = __VERIFIER_nondet_int() [L287] COND FALSE !(\read(tmp)) [L295] tmp___0 = __VERIFIER_nondet_int() [L297] COND FALSE !(\read(tmp___0)) [L305] tmp___2 = __VERIFIER_nondet_int() [L307] COND TRUE \read(tmp___2) [L262] systemActive = 1 [L159] COND FALSE !(\read(pumpRunning)) [L166] COND TRUE \read(systemActive) [L336] int tmp ; [L337] int tmp___0 ; [L436] int retValue_acc ; [L439] retValue_acc = methaneLevelCritical [L440] return (retValue_acc); [L341] tmp = isMethaneLevelCritical() [L343] COND FALSE !(\read(tmp)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...