./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product10.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 30f4e4ab 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_product10.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 e860f9a133bb6d76e1501dcd276032def5c8511b ...................................................................................................................................................................................................................................................................................................... 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 0.1.24-30f4e4a [2019-11-28 03:24:56,909 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 03:24:56,912 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 03:24:56,931 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 03:24:56,932 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 03:24:56,933 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 03:24:56,935 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 03:24:56,947 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 03:24:56,950 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 03:24:56,951 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 03:24:56,952 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 03:24:56,953 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 03:24:56,954 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 03:24:56,955 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 03:24:56,956 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 03:24:56,957 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 03:24:56,958 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 03:24:56,959 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 03:24:56,961 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 03:24:56,963 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 03:24:56,964 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 03:24:56,965 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 03:24:56,967 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 03:24:56,967 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 03:24:56,970 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 03:24:56,971 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 03:24:56,971 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 03:24:56,972 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 03:24:56,972 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 03:24:56,974 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 03:24:56,974 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 03:24:56,975 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 03:24:56,976 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 03:24:56,976 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 03:24:56,978 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 03:24:56,978 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 03:24:56,979 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 03:24:56,979 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 03:24:56,979 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 03:24:56,980 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 03:24:56,981 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 03:24:56,982 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-28 03:24:56,999 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 03:24:56,999 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 03:24:57,001 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 03:24:57,001 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 03:24:57,001 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 03:24:57,002 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-28 03:24:57,002 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-28 03:24:57,002 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-28 03:24:57,002 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-28 03:24:57,003 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-28 03:24:57,003 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-28 03:24:57,003 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 03:24:57,004 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 03:24:57,004 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 03:24:57,004 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 03:24:57,004 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 03:24:57,005 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 03:24:57,005 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-28 03:24:57,005 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-28 03:24:57,006 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-28 03:24:57,006 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 03:24:57,006 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 03:24:57,006 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-28 03:24:57,007 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 03:24:57,007 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-28 03:24:57,007 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 03:24:57,008 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 03:24:57,008 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-28 03:24:57,008 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 03:24:57,009 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 03:24:57,009 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-28 03:24:57,010 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-28 03:24:57,010 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 -> e860f9a133bb6d76e1501dcd276032def5c8511b [2019-11-28 03:24:57,338 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 03:24:57,360 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 03:24:57,364 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 03:24:57,366 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 03:24:57,366 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 03:24:57,367 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product10.cil.c [2019-11-28 03:24:57,444 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84d22386f/bf6b52cd7f2347fabbe4fd8feef9c034/FLAG604ba155b [2019-11-28 03:24:57,989 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 03:24:57,990 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product10.cil.c [2019-11-28 03:24:58,004 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84d22386f/bf6b52cd7f2347fabbe4fd8feef9c034/FLAG604ba155b [2019-11-28 03:24:58,293 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84d22386f/bf6b52cd7f2347fabbe4fd8feef9c034 [2019-11-28 03:24:58,297 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 03:24:58,299 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 03:24:58,300 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 03:24:58,300 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 03:24:58,304 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 03:24:58,305 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:24:58" (1/1) ... [2019-11-28 03:24:58,308 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e727e30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:58, skipping insertion in model container [2019-11-28 03:24:58,308 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:24:58" (1/1) ... [2019-11-28 03:24:58,316 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 03:24:58,365 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 03:24:58,878 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:24:58,900 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 03:24:58,999 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:24:59,045 INFO L208 MainTranslator]: Completed translation [2019-11-28 03:24:59,046 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:59 WrapperNode [2019-11-28 03:24:59,046 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 03:24:59,047 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 03:24:59,047 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 03:24:59,047 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 03:24:59,054 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:59" (1/1) ... [2019-11-28 03:24:59,076 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:59" (1/1) ... [2019-11-28 03:24:59,114 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 03:24:59,115 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 03:24:59,115 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 03:24:59,115 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 03:24:59,128 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:59" (1/1) ... [2019-11-28 03:24:59,129 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:59" (1/1) ... [2019-11-28 03:24:59,132 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:59" (1/1) ... [2019-11-28 03:24:59,133 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:59" (1/1) ... [2019-11-28 03:24:59,141 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:59" (1/1) ... [2019-11-28 03:24:59,148 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:59" (1/1) ... [2019-11-28 03:24:59,151 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:59" (1/1) ... [2019-11-28 03:24:59,155 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 03:24:59,156 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 03:24:59,156 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 03:24:59,157 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 03:24:59,158 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:59" (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 03:24:59,234 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 03:24:59,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 03:24:59,235 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 03:24:59,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 03:24:59,952 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 03:24:59,952 INFO L297 CfgBuilder]: Removed 68 assume(true) statements. [2019-11-28 03:24:59,954 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:24:59 BoogieIcfgContainer [2019-11-28 03:24:59,954 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 03:24:59,955 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-28 03:24:59,955 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-28 03:24:59,959 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-28 03:24:59,960 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:24:59,960 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:24:58" (1/3) ... [2019-11-28 03:24:59,962 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@739f321a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:24:59, skipping insertion in model container [2019-11-28 03:24:59,962 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:24:59,962 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:59" (2/3) ... [2019-11-28 03:24:59,963 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@739f321a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:24:59, skipping insertion in model container [2019-11-28 03:24:59,963 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:24:59,963 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:24:59" (3/3) ... [2019-11-28 03:24:59,965 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product10.cil.c [2019-11-28 03:25:00,014 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-28 03:25:00,014 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-28 03:25:00,014 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-28 03:25:00,014 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 03:25:00,015 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 03:25:00,015 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-28 03:25:00,015 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 03:25:00,015 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-28 03:25:00,033 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 54 states. [2019-11-28 03:25:00,060 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 33 [2019-11-28 03:25:00,060 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:25:00,061 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:25:00,070 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 03:25:00,070 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:25:00,070 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-28 03:25:00,071 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 54 states. [2019-11-28 03:25:00,075 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 33 [2019-11-28 03:25:00,076 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:25:00,076 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:25:00,077 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 03:25:00,077 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:25:00,083 INFO L794 eck$LassoCheckResult]: Stem: 26#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(30);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(9);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(21);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(30);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(9);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(21);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(30);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(9);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(25);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(30);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(9);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(25);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(13);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(110, #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(4);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 3 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string59.base, #t~string59.offset, 1);call write~init~int(80, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(117, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(109, #t~string59.base, 3 + #t~string59.offset, 1);call write~init~int(112, #t~string59.base, 4 + #t~string59.offset, 1);call write~init~int(58, #t~string59.base, 5 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 6 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(110, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 2 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 3 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string65.base, #t~string65.offset, 1);call write~init~int(32, #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(10, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 7#L-1true havoc main_#res;havoc main_#t~ret14, main_~retValue_acc~2, main_~tmp~1;havoc main_~retValue_acc~2;havoc main_~tmp~1; 16#L856true 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; 36#L864true main_#t~ret14 := valid_product_#res;main_~tmp~1 := main_#t~ret14;havoc main_#t~ret14; 55#L291true assume 0 != main_~tmp~1; 37#L265true havoc test_#t~nondet10, test_#t~nondet11, test_#t~nondet12, test_#t~nondet13, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 35#L816-1true [2019-11-28 03:25:00,084 INFO L796 eck$LassoCheckResult]: Loop: 35#L816-1true assume !false; 8#L149true assume test_~splverifierCounter~0 < 4; 28#L150true test_~tmp~0 := test_#t~nondet10;havoc test_#t~nondet10; 23#L158true assume !(0 != test_~tmp~0); 21#L158-1true test_~tmp___0~0 := test_#t~nondet11;havoc test_#t~nondet11; 5#L168true assume !(0 != test_~tmp___0~0); 4#L168-1true test_~tmp___2~0 := test_#t~nondet12;havoc test_#t~nondet12; 48#L178true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 13#L186-2true assume !(0 != ~pumpRunning~0); 52#L682true assume 0 != ~systemActive~0; 42#L689true havoc __utac_acc__Specification1_spec__1_#t~ret68, __utac_acc__Specification1_spec__1_#t~ret69, __utac_acc__Specification1_spec__1_~tmp~6, __utac_acc__Specification1_spec__1_~tmp___0~1;havoc __utac_acc__Specification1_spec__1_~tmp~6;havoc __utac_acc__Specification1_spec__1_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 12#L98true __utac_acc__Specification1_spec__1_#t~ret68 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~6 := __utac_acc__Specification1_spec__1_#t~ret68;havoc __utac_acc__Specification1_spec__1_#t~ret68; 33#L816true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~6); 35#L816-1true [2019-11-28 03:25:00,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:25:00,091 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-11-28 03:25:00,100 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:25:00,101 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876337736] [2019-11-28 03:25:00,101 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:25:00,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:25:00,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:25:00,514 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:25:00,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:25:00,516 INFO L82 PathProgramCache]: Analyzing trace with hash -1681619226, now seen corresponding path program 1 times [2019-11-28 03:25:00,516 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:25:00,517 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495472547] [2019-11-28 03:25:00,517 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:25:00,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:25:00,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:25:00,534 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:25:00,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:25:00,537 INFO L82 PathProgramCache]: Analyzing trace with hash 32659712, now seen corresponding path program 1 times [2019-11-28 03:25:00,537 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:25:00,538 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427307159] [2019-11-28 03:25:00,538 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:25:00,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:25:00,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:25:00,707 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:25:30,408 WARN L192 SmtUtils]: Spent 29.54 s on a formula simplification. DAG size of input: 452 DAG size of output: 400 [2019-11-28 03:25:44,023 WARN L192 SmtUtils]: Spent 13.61 s on a formula simplification that was a NOOP. DAG size: 400 [2019-11-28 03:25:44,102 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:25:44 BoogieIcfgContainer [2019-11-28 03:25:44,102 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-28 03:25:44,103 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 03:25:44,103 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 03:25:44,103 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 03:25:44,104 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:24:59" (3/4) ... [2019-11-28 03:25:44,107 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-11-28 03:25:44,163 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 03:25:44,164 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 03:25:44,166 INFO L168 Benchmark]: Toolchain (without parser) took 45867.31 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 270.0 MB). Free memory was 949.6 MB in the beginning and 836.1 MB in the end (delta: 113.6 MB). Peak memory consumption was 383.6 MB. Max. memory is 11.5 GB. [2019-11-28 03:25:44,167 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:25:44,168 INFO L168 Benchmark]: CACSL2BoogieTranslator took 746.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -167.5 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. [2019-11-28 03:25:44,168 INFO L168 Benchmark]: Boogie Procedure Inliner took 68.00 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 03:25:44,169 INFO L168 Benchmark]: Boogie Preprocessor took 40.82 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 03:25:44,170 INFO L168 Benchmark]: RCFGBuilder took 798.33 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: 51.0 MB). Peak memory consumption was 51.0 MB. Max. memory is 11.5 GB. [2019-11-28 03:25:44,171 INFO L168 Benchmark]: BuchiAutomizer took 44147.57 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 129.5 MB). Free memory was 1.1 GB in the beginning and 839.1 MB in the end (delta: 220.4 MB). Peak memory consumption was 356.2 MB. Max. memory is 11.5 GB. [2019-11-28 03:25:44,171 INFO L168 Benchmark]: Witness Printer took 61.13 ms. Allocated memory is still 1.3 GB. Free memory was 839.1 MB in the beginning and 836.1 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 11.5 GB. [2019-11-28 03:25:44,175 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 746.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -167.5 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 68.00 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 40.82 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 798.33 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: 51.0 MB). Peak memory consumption was 51.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 44147.57 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 129.5 MB). Free memory was 1.1 GB in the beginning and 839.1 MB in the end (delta: 220.4 MB). Peak memory consumption was 356.2 MB. Max. memory is 11.5 GB. * Witness Printer took 61.13 ms. Allocated memory is still 1.3 GB. Free memory was 839.1 MB in the beginning and 836.1 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 44.0s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 43.9s. 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: 148]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=9396} State at position 1 is {NULL=0, retValue_acc=0, NULL=0, NULL=9398, NULL=9402, NULL=0, NULL=0, retValue_acc=0, NULL=9396, NULL=9418, NULL=0, NULL=0, NULL=9397, NULL=0, NULL=9408, NULL=9400, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2fd50d80=0, methaneLevelCritical=0, NULL=9419, NULL=0, NULL=9414, NULL=0, tmp___1=0, tmp___0=0, NULL=9410, cleanupTimeShifts=4, tmp=0, NULL=9413, NULL=9405, NULL=9406, NULL=9422, NULL=0, systemActive=1, waterLevel=1, NULL=0, NULL=9417, NULL=9415, tmp___0=0, NULL=0, NULL=0, NULL=0, \result=1, head=0, pumpRunning=0, NULL=9399, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@21ac7022=0, tmp=0, NULL=0, tmp=1, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4ac82f2f=0, NULL=9401, NULL=9421, retValue_acc=1, NULL=9403, NULL=9412, tmp___2=55, splverifierCounter=0, NULL=0, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1e3d8564=0, NULL=0, NULL=0, \result=0, NULL=9407, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@25fdfd38=0, NULL=9411, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@355c1246=55, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@231e97c8=0, head=0, NULL=0, NULL=9404, NULL=9409, NULL=9416} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L55] int waterLevel = 1; [L56] int methaneLevelCritical = 0; [L205] int cleanupTimeShifts = 4; [L474] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L674] int pumpRunning = 0; [L675] int systemActive = 1; [L282] int retValue_acc ; [L283] int tmp ; [L860] int retValue_acc ; [L863] retValue_acc = 1 [L864] return (retValue_acc); [L289] tmp = valid_product() [L291] COND TRUE \read(tmp) [L139] int splverifierCounter ; [L140] int tmp ; [L141] int tmp___0 ; [L142] int tmp___1 ; [L143] int tmp___2 ; [L146] splverifierCounter = 0 Loop: [L148] COND TRUE 1 [L150] COND TRUE splverifierCounter < 4 [L156] tmp = __VERIFIER_nondet_int() [L158] COND FALSE !(\read(tmp)) [L166] tmp___0 = __VERIFIER_nondet_int() [L168] COND FALSE !(\read(tmp___0)) [L176] tmp___2 = __VERIFIER_nondet_int() [L178] COND TRUE \read(tmp___2) [L803] systemActive = 1 [L682] COND FALSE !(\read(pumpRunning)) [L689] COND TRUE \read(systemActive) [L809] int tmp ; [L810] int tmp___0 ; [L94] int retValue_acc ; [L97] retValue_acc = methaneLevelCritical [L98] return (retValue_acc); [L814] tmp = isMethaneLevelCritical() [L816] COND FALSE !(\read(tmp)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...