./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec1_product09_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0ed9222f Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i /storage/repos/svcomp/c/product-lines/minepump_spec1_product09_true-unreach-call_false-termination.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5e00f12062c7c62f6aec19aeda9d058e37c16487 ...................................................................................................................................................................................................................................................................................................... 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 0.1.24-0ed9222-m [2019-01-14 04:13:15,611 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-14 04:13:15,613 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-14 04:13:15,626 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-14 04:13:15,627 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-14 04:13:15,628 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-14 04:13:15,629 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-14 04:13:15,631 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-14 04:13:15,633 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-14 04:13:15,634 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-14 04:13:15,635 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-14 04:13:15,635 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-14 04:13:15,637 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-14 04:13:15,638 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-14 04:13:15,639 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-14 04:13:15,640 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-14 04:13:15,641 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-14 04:13:15,643 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-14 04:13:15,646 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-14 04:13:15,648 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-14 04:13:15,649 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-14 04:13:15,650 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-14 04:13:15,653 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-14 04:13:15,654 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-14 04:13:15,654 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-14 04:13:15,655 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-14 04:13:15,656 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-14 04:13:15,657 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-14 04:13:15,659 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-14 04:13:15,660 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-14 04:13:15,661 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-14 04:13:15,661 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-14 04:13:15,662 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-14 04:13:15,662 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-14 04:13:15,663 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-14 04:13:15,664 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-14 04:13:15,665 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-01-14 04:13:15,690 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-14 04:13:15,691 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-14 04:13:15,694 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-14 04:13:15,695 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-14 04:13:15,695 INFO L133 SettingsManager]: * Use SBE=true [2019-01-14 04:13:15,695 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-01-14 04:13:15,696 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-01-14 04:13:15,696 INFO L133 SettingsManager]: * Use old map elimination=false [2019-01-14 04:13:15,696 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2019-01-14 04:13:15,696 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2019-01-14 04:13:15,696 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-01-14 04:13:15,697 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-14 04:13:15,697 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-14 04:13:15,697 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-14 04:13:15,697 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-14 04:13:15,697 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-14 04:13:15,698 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-14 04:13:15,700 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-01-14 04:13:15,700 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-01-14 04:13:15,701 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-01-14 04:13:15,701 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-14 04:13:15,701 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-14 04:13:15,701 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-01-14 04:13:15,701 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-14 04:13:15,701 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-01-14 04:13:15,702 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-14 04:13:15,702 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-14 04:13:15,702 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-01-14 04:13:15,702 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-14 04:13:15,702 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-14 04:13:15,703 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-01-14 04:13:15,706 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-01-14 04:13:15,706 INFO L133 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5e00f12062c7c62f6aec19aeda9d058e37c16487 [2019-01-14 04:13:15,749 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-14 04:13:15,765 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-14 04:13:15,771 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-14 04:13:15,773 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-14 04:13:15,773 INFO L276 PluginConnector]: CDTParser initialized [2019-01-14 04:13:15,774 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec1_product09_true-unreach-call_false-termination.cil.c [2019-01-14 04:13:15,837 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24fc847d1/be4aa1a7dac04dca83b5b85f9968af82/FLAG12c9e17d2 [2019-01-14 04:13:16,297 INFO L307 CDTParser]: Found 1 translation units. [2019-01-14 04:13:16,298 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec1_product09_true-unreach-call_false-termination.cil.c [2019-01-14 04:13:16,320 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24fc847d1/be4aa1a7dac04dca83b5b85f9968af82/FLAG12c9e17d2 [2019-01-14 04:13:16,608 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24fc847d1/be4aa1a7dac04dca83b5b85f9968af82 [2019-01-14 04:13:16,613 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-14 04:13:16,615 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-14 04:13:16,617 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-14 04:13:16,617 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-14 04:13:16,623 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-14 04:13:16,625 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 04:13:16" (1/1) ... [2019-01-14 04:13:16,628 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4030460c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:13:16, skipping insertion in model container [2019-01-14 04:13:16,629 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 04:13:16" (1/1) ... [2019-01-14 04:13:16,638 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-14 04:13:16,693 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-14 04:13:16,991 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 04:13:17,011 INFO L191 MainTranslator]: Completed pre-run [2019-01-14 04:13:17,240 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 04:13:17,274 INFO L195 MainTranslator]: Completed translation [2019-01-14 04:13:17,274 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:13:17 WrapperNode [2019-01-14 04:13:17,274 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-14 04:13:17,275 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-14 04:13:17,275 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-14 04:13:17,275 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-14 04:13:17,284 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:13:17" (1/1) ... [2019-01-14 04:13:17,314 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:13:17" (1/1) ... [2019-01-14 04:13:17,372 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-14 04:13:17,372 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-14 04:13:17,372 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-14 04:13:17,373 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-14 04:13:17,384 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:13:17" (1/1) ... [2019-01-14 04:13:17,385 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:13:17" (1/1) ... [2019-01-14 04:13:17,389 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:13:17" (1/1) ... [2019-01-14 04:13:17,389 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:13:17" (1/1) ... [2019-01-14 04:13:17,397 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:13:17" (1/1) ... [2019-01-14 04:13:17,404 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:13:17" (1/1) ... [2019-01-14 04:13:17,407 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:13:17" (1/1) ... [2019-01-14 04:13:17,410 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-14 04:13:17,411 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-14 04:13:17,411 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-14 04:13:17,411 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-14 04:13:17,412 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:13:17" (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 [2019-01-14 04:13:17,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-14 04:13:17,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-01-14 04:13:17,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-14 04:13:17,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-14 04:13:18,438 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-14 04:13:18,438 INFO L286 CfgBuilder]: Removed 66 assue(true) statements. [2019-01-14 04:13:18,440 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 04:13:18 BoogieIcfgContainer [2019-01-14 04:13:18,440 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-14 04:13:18,441 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-01-14 04:13:18,441 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-01-14 04:13:18,445 INFO L276 PluginConnector]: BuchiAutomizer initialized [2019-01-14 04:13:18,446 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 04:13:18,446 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 14.01 04:13:16" (1/3) ... [2019-01-14 04:13:18,448 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@48998576 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.01 04:13:18, skipping insertion in model container [2019-01-14 04:13:18,448 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 04:13:18,448 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:13:17" (2/3) ... [2019-01-14 04:13:18,449 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@48998576 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.01 04:13:18, skipping insertion in model container [2019-01-14 04:13:18,450 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 04:13:18,450 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 04:13:18" (3/3) ... [2019-01-14 04:13:18,451 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product09_true-unreach-call_false-termination.cil.c [2019-01-14 04:13:18,500 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-14 04:13:18,501 INFO L374 BuchiCegarLoop]: Interprodecural is true [2019-01-14 04:13:18,501 INFO L375 BuchiCegarLoop]: Hoare is false [2019-01-14 04:13:18,501 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-01-14 04:13:18,502 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-14 04:13:18,502 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-14 04:13:18,502 INFO L379 BuchiCegarLoop]: Difference is false [2019-01-14 04:13:18,502 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-14 04:13:18,502 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-01-14 04:13:18,518 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 54 states. [2019-01-14 04:13:18,543 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 33 [2019-01-14 04:13:18,543 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 04:13:18,543 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 04:13:18,553 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-01-14 04:13:18,553 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:13:18,553 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2019-01-14 04:13:18,553 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 54 states. [2019-01-14 04:13:18,558 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 33 [2019-01-14 04:13:18,558 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 04:13:18,558 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 04:13:18,559 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-01-14 04:13:18,559 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:13:18,566 INFO L794 eck$LassoCheckResult]: Stem: 27#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~head~0.base, ~head~0.offset := 0, 0;call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(30);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(9);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(21);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(30);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(9);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(25);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(13);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string39.base, #t~string39.offset, 1);call write~init~int(77, #t~string39.base, 1 + #t~string39.offset, 1);call write~init~int(101, #t~string39.base, 2 + #t~string39.offset, 1);call write~init~int(116, #t~string39.base, 3 + #t~string39.offset, 1);call write~init~int(104, #t~string39.base, 4 + #t~string39.offset, 1);call write~init~int(58, #t~string39.base, 5 + #t~string39.offset, 1);call write~init~int(0, #t~string39.base, 6 + #t~string39.offset, 1);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string41.base, #t~string41.offset, 1);call write~init~int(82, #t~string41.base, 1 + #t~string41.offset, 1);call write~init~int(73, #t~string41.base, 2 + #t~string41.offset, 1);call write~init~int(84, #t~string41.base, 3 + #t~string41.offset, 1);call write~init~int(0, #t~string41.base, 4 + #t~string41.offset, 1);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string43.base, #t~string43.offset, 1);call write~init~int(75, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 2 + #t~string43.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string45.base, #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 1 + #t~string45.offset, 1);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(13);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string52.base, #t~string52.offset, 1);call write~init~int(110, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 2 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 2 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 3 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string56.base, #t~string56.offset, 1);call write~init~int(80, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(117, #t~string56.base, 2 + #t~string56.offset, 1);call write~init~int(109, #t~string56.base, 3 + #t~string56.offset, 1);call write~init~int(112, #t~string56.base, 4 + #t~string56.offset, 1);call write~init~int(58, #t~string56.base, 5 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 6 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(110, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 2 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(102, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(102, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 3 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string62.base, #t~string62.offset, 1);call write~init~int(32, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 2 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string64.base, #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 1 + #t~string64.offset, 1); 12#L-1true havoc main_#res;havoc main_#t~ret46, main_~retValue_acc~7, main_~tmp~3;havoc main_~retValue_acc~7;havoc main_~tmp~3; 17#L65true havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 8#L73true main_#t~ret46 := valid_product_#res;main_~tmp~3 := main_#t~ret46;havoc main_#t~ret46; 52#L624true assume 0 != main_~tmp~3; 22#L600true havoc test_#t~nondet65, test_#t~nondet66, test_#t~nondet67, test_#t~nondet68, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 49#L840-1true [2019-01-14 04:13:18,566 INFO L796 eck$LassoCheckResult]: Loop: 49#L840-1true assume !false; 9#L778true assume test_~splverifierCounter~0 < 4; 25#L779true test_~tmp~5 := test_#t~nondet65;havoc test_#t~nondet65; 28#L787true assume !(0 != test_~tmp~5); 29#L787-1true test_~tmp___0~0 := test_#t~nondet66;havoc test_#t~nondet66; 16#L797true assume !(0 != test_~tmp___0~0); 19#L797-1true test_~tmp___2~0 := test_#t~nondet67;havoc test_#t~nondet67; 50#L807true assume 0 != test_~tmp___2~0; 32#L813-2true assume !(0 != ~pumpRunning~0); 35#L649true assume 0 != ~systemActive~0; 39#L656true havoc __utac_acc__Specification1_spec__1_#t~ret69, __utac_acc__Specification1_spec__1_#t~ret70, __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~5;havoc isMethaneLevelCritical_~retValue_acc~5;isMethaneLevelCritical_~retValue_acc~5 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~5; 3#L493true __utac_acc__Specification1_spec__1_#t~ret69 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~6 := __utac_acc__Specification1_spec__1_#t~ret69;havoc __utac_acc__Specification1_spec__1_#t~ret69; 47#L840true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~6); 49#L840-1true [2019-01-14 04:13:18,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:13:18,582 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-01-14 04:13:18,584 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:13:18,585 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:13:18,634 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:13:18,634 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:13:18,635 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:13:19,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:13:19,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:13:19,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:13:19,697 INFO L82 PathProgramCache]: Analyzing trace with hash -1682573531, now seen corresponding path program 1 times [2019-01-14 04:13:19,697 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:13:19,697 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:13:19,698 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:13:19,699 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:13:19,699 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:13:19,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:13:19,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:13:19,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:13:19,719 INFO L82 PathProgramCache]: Analyzing trace with hash 31705407, now seen corresponding path program 1 times [2019-01-14 04:13:19,720 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:13:19,720 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:13:19,722 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:13:19,723 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:13:19,723 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:13:19,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:13:20,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:13:20,555 WARN L181 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2019-01-14 04:13:20,768 WARN L181 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2019-01-14 04:13:50,418 WARN L181 SmtUtils]: Spent 29.63 s on a formula simplification. DAG size of input: 451 DAG size of output: 449 [2019-01-14 04:14:04,295 WARN L181 SmtUtils]: Spent 13.88 s on a formula simplification that was a NOOP. DAG size: 449 [2019-01-14 04:14:04,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 14.01 04:14:04 BoogieIcfgContainer [2019-01-14 04:14:04,389 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-01-14 04:14:04,389 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-14 04:14:04,389 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-14 04:14:04,390 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-14 04:14:04,390 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 04:13:18" (3/4) ... [2019-01-14 04:14:04,396 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2019-01-14 04:14:04,497 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-14 04:14:04,499 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-14 04:14:04,501 INFO L168 Benchmark]: Toolchain (without parser) took 47886.97 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 294.6 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -125.4 MB). Peak memory consumption was 169.3 MB. Max. memory is 11.5 GB. [2019-01-14 04:14:04,503 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 04:14:04,504 INFO L168 Benchmark]: CACSL2BoogieTranslator took 658.05 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.2 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -152.7 MB). Peak memory consumption was 37.4 MB. Max. memory is 11.5 GB. [2019-01-14 04:14:04,504 INFO L168 Benchmark]: Boogie Procedure Inliner took 96.96 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-01-14 04:14:04,508 INFO L168 Benchmark]: Boogie Preprocessor took 38.09 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-01-14 04:14:04,512 INFO L168 Benchmark]: RCFGBuilder took 1029.20 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 45.7 MB). Peak memory consumption was 45.7 MB. Max. memory is 11.5 GB. [2019-01-14 04:14:04,513 INFO L168 Benchmark]: BuchiAutomizer took 45948.44 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 181.4 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -34.1 MB). Peak memory consumption was 423.7 MB. Max. memory is 11.5 GB. [2019-01-14 04:14:04,514 INFO L168 Benchmark]: Witness Printer took 110.49 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 11.5 GB. [2019-01-14 04:14:04,524 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 658.05 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.2 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -152.7 MB). Peak memory consumption was 37.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 96.96 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 38.09 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1029.20 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 45.7 MB). Peak memory consumption was 45.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 45948.44 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 181.4 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -34.1 MB). Peak memory consumption was 423.7 MB. Max. memory is 11.5 GB. * Witness Printer took 110.49 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one nonterminating module. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 45.8s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 45.7s. 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: 777]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=6149} State at position 1 is {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1e6c281d=0, NULL=0, NULL=0, NULL=0, NULL=6149, NULL=0, NULL=0, NULL=0, retValue_acc=0, NULL=0, NULL=-5, NULL=-17, methaneLevelCritical=0, NULL=-6, tmp=0, NULL=-1, NULL=-23, tmp___1=0, NULL=-7, NULL=-4, tmp___0=0, NULL=-15, NULL=-22, NULL=-13, cleanupTimeShifts=4, NULL=-16, NULL=-21, NULL=6148, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=0, NULL=0, NULL=-10, retValue_acc=0, NULL=0, tmp___0=0, NULL=0, NULL=0, NULL=-20, NULL=0, NULL=0, \result=1, head=0, pumpRunning=0, \result=0, NULL=-8, NULL=-12, tmp=1, tmp=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@55915ed0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@331b9845=56, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2e9172e=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7472e6b8=0, NULL=-11, retValue_acc=1, tmp___2=56, NULL=-3, splverifierCounter=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@40cb7387=0, head=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@49647b7d=0, NULL=0, NULL=-19, NULL=0, NULL=-2, NULL=0, NULL=-14, NULL=0, NULL=0, NULL=0, NULL=0, NULL=6147, NULL=-18, NULL=-9} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L247] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L450] int waterLevel = 1; [L451] int methaneLevelCritical = 0; [L539] int cleanupTimeShifts = 4; [L641] int pumpRunning = 0; [L642] int systemActive = 1; [L615] int retValue_acc ; [L616] int tmp ; [L69] int retValue_acc ; [L72] retValue_acc = 1 [L73] return (retValue_acc); [L622] tmp = valid_product() [L624] COND TRUE \read(tmp) [L768] int splverifierCounter ; [L769] int tmp ; [L770] int tmp___0 ; [L771] int tmp___1 ; [L772] int tmp___2 ; [L775] splverifierCounter = 0 Loop: [L777] COND TRUE 1 [L779] COND TRUE splverifierCounter < 4 [L785] tmp = __VERIFIER_nondet_int() [L787] COND FALSE !(\read(tmp)) [L795] tmp___0 = __VERIFIER_nondet_int() [L797] COND FALSE !(\read(tmp___0)) [L805] tmp___2 = __VERIFIER_nondet_int() [L807] COND TRUE \read(tmp___2) [L649] COND FALSE !(\read(pumpRunning)) [L656] COND TRUE \read(systemActive) [L833] int tmp ; [L834] int tmp___0 ; [L489] int retValue_acc ; [L492] retValue_acc = methaneLevelCritical [L493] return (retValue_acc); [L838] tmp = isMethaneLevelCritical() [L840] COND FALSE !(\read(tmp)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...