./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec2_product10_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 91b1670e Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i /storage/repos/svcomp/c/product-lines/minepump_spec2_product10_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 70ea5eb10d82b903f50468d78668817b6c6916a6 ......................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.24-91b1670 [2018-11-28 23:55:57,290 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 23:55:57,292 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 23:55:57,305 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 23:55:57,306 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 23:55:57,307 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 23:55:57,308 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 23:55:57,311 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 23:55:57,313 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 23:55:57,314 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 23:55:57,315 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 23:55:57,315 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 23:55:57,317 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 23:55:57,318 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 23:55:57,319 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 23:55:57,320 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 23:55:57,321 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 23:55:57,324 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 23:55:57,326 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 23:55:57,328 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 23:55:57,329 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 23:55:57,331 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 23:55:57,334 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 23:55:57,334 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 23:55:57,334 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 23:55:57,335 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 23:55:57,337 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 23:55:57,338 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 23:55:57,338 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 23:55:57,340 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 23:55:57,340 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 23:55:57,341 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 23:55:57,341 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 23:55:57,342 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 23:55:57,343 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 23:55:57,344 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 23:55:57,344 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-28 23:55:57,362 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 23:55:57,363 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 23:55:57,364 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 23:55:57,364 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 23:55:57,364 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 23:55:57,364 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-28 23:55:57,364 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-28 23:55:57,365 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-28 23:55:57,366 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-28 23:55:57,366 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-28 23:55:57,366 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-28 23:55:57,366 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 23:55:57,366 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 23:55:57,366 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 23:55:57,367 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 23:55:57,367 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 23:55:57,368 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 23:55:57,368 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-28 23:55:57,368 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-28 23:55:57,368 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-28 23:55:57,368 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 23:55:57,368 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 23:55:57,369 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-28 23:55:57,370 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 23:55:57,370 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-28 23:55:57,370 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 23:55:57,370 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 23:55:57,370 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-28 23:55:57,370 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 23:55:57,371 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 23:55:57,371 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-28 23:55:57,373 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-28 23:55:57,373 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 -> 70ea5eb10d82b903f50468d78668817b6c6916a6 [2018-11-28 23:55:57,410 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 23:55:57,423 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 23:55:57,428 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 23:55:57,430 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 23:55:57,430 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 23:55:57,431 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec2_product10_true-unreach-call_false-termination.cil.c [2018-11-28 23:55:57,499 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4cdf8f6a/f873541712c64965833ad89b58a16664/FLAG541bceebc [2018-11-28 23:55:58,042 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 23:55:58,045 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec2_product10_true-unreach-call_false-termination.cil.c [2018-11-28 23:55:58,061 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4cdf8f6a/f873541712c64965833ad89b58a16664/FLAG541bceebc [2018-11-28 23:55:58,330 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4cdf8f6a/f873541712c64965833ad89b58a16664 [2018-11-28 23:55:58,335 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 23:55:58,337 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 23:55:58,338 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 23:55:58,339 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 23:55:58,343 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 23:55:58,344 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:55:58" (1/1) ... [2018-11-28 23:55:58,348 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19c9ac3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:55:58, skipping insertion in model container [2018-11-28 23:55:58,349 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:55:58" (1/1) ... [2018-11-28 23:55:58,358 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 23:55:58,413 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 23:55:58,784 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:55:58,805 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 23:55:58,922 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:55:58,964 INFO L195 MainTranslator]: Completed translation [2018-11-28 23:55:58,965 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:55:58 WrapperNode [2018-11-28 23:55:58,965 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 23:55:58,966 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 23:55:58,966 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 23:55:58,966 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 23:55:59,052 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:55:58" (1/1) ... [2018-11-28 23:55:59,088 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:55:58" (1/1) ... [2018-11-28 23:55:59,132 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 23:55:59,133 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 23:55:59,133 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 23:55:59,133 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 23:55:59,144 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:55:58" (1/1) ... [2018-11-28 23:55:59,144 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:55:58" (1/1) ... [2018-11-28 23:55:59,150 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:55:58" (1/1) ... [2018-11-28 23:55:59,150 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:55:58" (1/1) ... [2018-11-28 23:55:59,163 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:55:58" (1/1) ... [2018-11-28 23:55:59,176 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:55:58" (1/1) ... [2018-11-28 23:55:59,179 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:55:58" (1/1) ... [2018-11-28 23:55:59,182 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 23:55:59,183 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 23:55:59,183 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 23:55:59,183 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 23:55:59,184 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:55:58" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:55:59,257 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 23:55:59,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 23:55:59,258 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 23:55:59,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 23:56:00,182 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 23:56:00,182 INFO L280 CfgBuilder]: Removed 70 assue(true) statements. [2018-11-28 23:56:00,183 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:56:00 BoogieIcfgContainer [2018-11-28 23:56:00,183 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 23:56:00,184 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-28 23:56:00,184 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-28 23:56:00,187 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-28 23:56:00,188 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:56:00,188 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 11:55:58" (1/3) ... [2018-11-28 23:56:00,190 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@103a0237 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:56:00, skipping insertion in model container [2018-11-28 23:56:00,190 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:56:00,190 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:55:58" (2/3) ... [2018-11-28 23:56:00,190 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@103a0237 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:56:00, skipping insertion in model container [2018-11-28 23:56:00,190 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:56:00,191 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:56:00" (3/3) ... [2018-11-28 23:56:00,193 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product10_true-unreach-call_false-termination.cil.c [2018-11-28 23:56:00,249 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 23:56:00,249 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-28 23:56:00,250 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-28 23:56:00,250 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-28 23:56:00,250 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 23:56:00,250 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 23:56:00,250 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-28 23:56:00,250 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 23:56:00,250 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-28 23:56:00,269 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 58 states. [2018-11-28 23:56:00,296 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 35 [2018-11-28 23:56:00,297 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:56:00,297 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:56:00,305 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:56:00,305 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:56:00,305 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-28 23:56:00,305 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 58 states. [2018-11-28 23:56:00,310 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 35 [2018-11-28 23:56:00,311 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:56:00,311 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:56:00,312 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:56:00,312 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:56:00,318 INFO L794 eck$LassoCheckResult]: Stem: 38#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string1.base, #t~string1.offset := #Ultimate.alloc(13);call #t~string3.base, #t~string3.offset := #Ultimate.alloc(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.alloc(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.alloc(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.alloc(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);~head~0.base, ~head~0.offset := 0, 0;call #t~string28.base, #t~string28.offset := #Ultimate.alloc(30);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(9);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(21);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(30);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(9);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(21);call #t~string37.base, #t~string37.offset := #Ultimate.alloc(30);call #t~string38.base, #t~string38.offset := #Ultimate.alloc(9);call #t~string39.base, #t~string39.offset := #Ultimate.alloc(25);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(30);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(9);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(25);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string53.base, #t~string53.offset := #Ultimate.alloc(13);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(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.alloc(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.alloc(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.alloc(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.alloc(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.alloc(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.alloc(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);~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4; 14#L-1true havoc main_#res;havoc main_#t~ret70, main_~retValue_acc~9, main_~tmp~6;havoc main_~retValue_acc~9;havoc main_~tmp~6; 5#L526true havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := 1;valid_product_#res := valid_product_~retValue_acc~6; 32#L534true main_#t~ret70 := valid_product_#res;main_~tmp~6 := main_#t~ret70;havoc main_#t~ret70; 60#L869true assume 0 != main_~tmp~6; 30#L845true ~methAndRunningLastTime~0 := 0; 21#L753true havoc test_#t~nondet46, test_#t~nondet47, test_#t~nondet48, test_#t~nondet49, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 23#L764-1true [2018-11-28 23:56:00,318 INFO L796 eck$LassoCheckResult]: Loop: 23#L764-1true assume !false; 35#L553true assume test_~splverifierCounter~0 < 4; 53#L554true test_~tmp~3 := test_#t~nondet46;havoc test_#t~nondet46; 56#L562true assume !(0 != test_~tmp~3); 59#L562-1true test_~tmp___0~0 := test_#t~nondet47;havoc test_#t~nondet47; 48#L572true assume !(0 != test_~tmp___0~0); 49#L572-1true test_~tmp___2~0 := test_#t~nondet48;havoc test_#t~nondet48; 42#L582true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 44#L590-2true assume !(0 != ~pumpRunning~0); 8#L621true assume 0 != ~systemActive~0; 54#L628true havoc __utac_acc__Specification2_spec__2_#t~ret68, __utac_acc__Specification2_spec__2_#t~ret69, __utac_acc__Specification2_spec__2_~tmp~5, __utac_acc__Specification2_spec__2_~tmp___0~1;havoc __utac_acc__Specification2_spec__2_~tmp~5;havoc __utac_acc__Specification2_spec__2_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 22#L98true __utac_acc__Specification2_spec__2_#t~ret68 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~5 := __utac_acc__Specification2_spec__2_#t~ret68;havoc __utac_acc__Specification2_spec__2_#t~ret68; 19#L764true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~5);~methAndRunningLastTime~0 := 0; 23#L764-1true [2018-11-28 23:56:00,324 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:56:00,325 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2018-11-28 23:56:00,327 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:56:00,328 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:56:00,377 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:56:00,378 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:56:00,378 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:56:00,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:56:00,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:56:00,654 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:56:00,654 INFO L82 PathProgramCache]: Analyzing trace with hash 2663790, now seen corresponding path program 1 times [2018-11-28 23:56:00,654 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:56:00,655 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:56:00,656 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:56:00,656 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:56:00,656 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:56:00,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:56:00,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:56:00,685 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:56:00,686 INFO L82 PathProgramCache]: Analyzing trace with hash 835960296, now seen corresponding path program 1 times [2018-11-28 23:56:00,686 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:56:00,686 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:56:00,687 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:56:00,687 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:56:00,688 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:56:00,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:56:00,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:56:01,423 WARN L180 SmtUtils]: Spent 589.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2018-11-28 23:56:06,999 WARN L180 SmtUtils]: Spent 5.51 s on a formula simplification. DAG size of input: 429 DAG size of output: 427 [2018-11-28 23:56:08,961 WARN L180 SmtUtils]: Spent 1.95 s on a formula simplification that was a NOOP. DAG size: 425 [2018-11-28 23:56:09,015 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 11:56:09 BoogieIcfgContainer [2018-11-28 23:56:09,016 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-28 23:56:09,016 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 23:56:09,016 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 23:56:09,016 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 23:56:09,017 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:56:00" (3/4) ... [2018-11-28 23:56:09,020 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-28 23:56:09,080 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 23:56:09,080 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 23:56:09,081 INFO L168 Benchmark]: Toolchain (without parser) took 10745.25 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 288.4 MB). Free memory was 951.4 MB in the beginning and 1.0 GB in the end (delta: -68.6 MB). Peak memory consumption was 219.7 MB. Max. memory is 11.5 GB. [2018-11-28 23:56:09,082 INFO L168 Benchmark]: CDTParser took 0.18 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. [2018-11-28 23:56:09,082 INFO L168 Benchmark]: CACSL2BoogieTranslator took 626.70 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 MB in the beginning and 924.5 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2018-11-28 23:56:09,083 INFO L168 Benchmark]: Boogie Procedure Inliner took 166.32 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.2 MB). Free memory was 924.5 MB in the beginning and 1.1 GB in the end (delta: -164.5 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. [2018-11-28 23:56:09,084 INFO L168 Benchmark]: Boogie Preprocessor took 49.55 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:56:09,084 INFO L168 Benchmark]: RCFGBuilder took 1000.58 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: 45.9 MB). Peak memory consumption was 45.9 MB. Max. memory is 11.5 GB. [2018-11-28 23:56:09,085 INFO L168 Benchmark]: BuchiAutomizer took 8832.01 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 187.2 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 13.6 MB). Peak memory consumption was 362.5 MB. Max. memory is 11.5 GB. [2018-11-28 23:56:09,086 INFO L168 Benchmark]: Witness Printer took 63.85 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 11.5 GB. [2018-11-28 23:56:09,090 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 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 626.70 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 MB in the beginning and 924.5 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 166.32 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.2 MB). Free memory was 924.5 MB in the beginning and 1.1 GB in the end (delta: -164.5 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 49.55 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1000.58 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: 45.9 MB). Peak memory consumption was 45.9 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 8832.01 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 187.2 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 13.6 MB). Peak memory consumption was 362.5 MB. Max. memory is 11.5 GB. * Witness Printer took 63.85 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 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 8.7s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 8.6s. 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: 552]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {NULL=0, retValue_acc=0, NULL=33, NULL=12, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7eb26791=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@52bf55f9=56, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@158733a6=0, NULL=23, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@684d3506=0, NULL=0, NULL=31, NULL=20, NULL=0, retValue_acc=0, methaneLevelCritical=0, NULL=22, tmp=0, NULL=0, NULL=39, NULL=36, NULL=0, tmp___1=0, NULL=28, NULL=15, NULL=38, cleanupTimeShifts=4, NULL=34, NULL=18, NULL=14, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=0, NULL=0, NULL=0, tmp___0=0, NULL=0, NULL=0, NULL=0, \result=1, head=0, pumpRunning=0, NULL=26, \result=0, NULL=0, tmp=1, retValue_acc=1, NULL=35, NULL=19, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2df2f49=0, NULL=11, tmp___2=56, tmp___0=0, NULL=17, splverifierCounter=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, methAndRunningLastTime=0, \result=0, NULL=27, NULL=8, head=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2104fc86=0, NULL=0, NULL=29, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5a3badb1=0, NULL=0, NULL=0, NULL=24, NULL=0, NULL=16, tmp=0, NULL=37} - 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; [L304] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L613] int pumpRunning = 0; [L614] int systemActive = 1; [L747] int methAndRunningLastTime ; [L786] int cleanupTimeShifts = 4; [L860] int retValue_acc ; [L861] int tmp ; [L530] int retValue_acc ; [L533] retValue_acc = 1 [L534] return (retValue_acc); [L867] tmp = valid_product() [L869] COND TRUE \read(tmp) [L752] methAndRunningLastTime = 0 [L543] int splverifierCounter ; [L544] int tmp ; [L545] int tmp___0 ; [L546] int tmp___1 ; [L547] int tmp___2 ; [L550] splverifierCounter = 0 Loop: [L552] COND TRUE 1 [L554] COND TRUE splverifierCounter < 4 [L560] tmp = __VERIFIER_nondet_int() [L562] COND FALSE !(\read(tmp)) [L570] tmp___0 = __VERIFIER_nondet_int() [L572] COND FALSE !(\read(tmp___0)) [L580] tmp___2 = __VERIFIER_nondet_int() [L582] COND TRUE \read(tmp___2) [L742] systemActive = 1 [L621] COND FALSE !(\read(pumpRunning)) [L628] COND TRUE \read(systemActive) [L757] int tmp ; [L758] int tmp___0 ; [L94] int retValue_acc ; [L97] retValue_acc = methaneLevelCritical [L98] return (retValue_acc); [L762] tmp = isMethaneLevelCritical() [L764] COND FALSE !(\read(tmp)) [L780] methAndRunningLastTime = 0 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...