./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 2e94e6aa 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 0.1.24-2e94e6a [2019-01-01 23:32:15,398 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-01 23:32:15,400 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-01 23:32:15,412 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-01 23:32:15,413 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-01 23:32:15,414 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-01 23:32:15,415 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-01 23:32:15,417 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-01 23:32:15,419 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-01 23:32:15,420 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-01 23:32:15,421 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-01 23:32:15,421 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-01 23:32:15,422 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-01 23:32:15,423 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-01 23:32:15,425 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-01 23:32:15,426 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-01 23:32:15,427 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-01 23:32:15,429 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-01 23:32:15,431 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-01 23:32:15,433 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-01 23:32:15,435 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-01 23:32:15,436 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-01 23:32:15,439 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-01 23:32:15,439 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-01 23:32:15,439 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-01 23:32:15,441 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-01 23:32:15,442 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-01 23:32:15,443 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-01 23:32:15,443 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-01 23:32:15,445 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-01 23:32:15,445 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-01 23:32:15,446 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-01 23:32:15,446 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-01 23:32:15,446 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-01 23:32:15,448 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-01 23:32:15,449 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-01 23:32:15,449 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-01-01 23:32:15,473 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-01 23:32:15,473 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-01 23:32:15,474 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-01 23:32:15,474 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-01 23:32:15,475 INFO L133 SettingsManager]: * Use SBE=true [2019-01-01 23:32:15,476 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-01-01 23:32:15,476 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-01-01 23:32:15,476 INFO L133 SettingsManager]: * Use old map elimination=false [2019-01-01 23:32:15,477 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2019-01-01 23:32:15,477 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2019-01-01 23:32:15,477 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-01-01 23:32:15,477 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-01 23:32:15,477 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-01 23:32:15,478 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-01 23:32:15,480 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-01 23:32:15,480 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-01 23:32:15,480 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-01 23:32:15,480 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-01-01 23:32:15,480 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-01-01 23:32:15,480 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-01-01 23:32:15,482 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-01 23:32:15,483 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-01 23:32:15,483 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-01-01 23:32:15,483 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-01 23:32:15,483 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-01-01 23:32:15,483 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-01 23:32:15,483 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-01 23:32:15,486 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-01-01 23:32:15,486 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-01 23:32:15,486 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-01 23:32:15,486 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-01-01 23:32:15,487 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-01-01 23:32:15,487 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 [2019-01-01 23:32:15,521 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-01 23:32:15,536 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-01 23:32:15,540 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-01 23:32:15,542 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-01 23:32:15,542 INFO L276 PluginConnector]: CDTParser initialized [2019-01-01 23:32:15,543 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec1_product09_true-unreach-call_false-termination.cil.c [2019-01-01 23:32:15,614 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/820016295/e19196f06807435ba9446cf741859cfb/FLAGcc4176f51 [2019-01-01 23:32:16,185 INFO L307 CDTParser]: Found 1 translation units. [2019-01-01 23:32:16,185 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec1_product09_true-unreach-call_false-termination.cil.c [2019-01-01 23:32:16,200 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/820016295/e19196f06807435ba9446cf741859cfb/FLAGcc4176f51 [2019-01-01 23:32:16,474 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/820016295/e19196f06807435ba9446cf741859cfb [2019-01-01 23:32:16,480 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-01 23:32:16,482 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-01 23:32:16,483 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-01 23:32:16,483 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-01 23:32:16,487 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-01 23:32:16,488 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 11:32:16" (1/1) ... [2019-01-01 23:32:16,491 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74fb2347 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:32:16, skipping insertion in model container [2019-01-01 23:32:16,491 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 11:32:16" (1/1) ... [2019-01-01 23:32:16,499 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-01 23:32:16,558 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-01 23:32:16,925 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 23:32:16,960 INFO L191 MainTranslator]: Completed pre-run [2019-01-01 23:32:17,061 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 23:32:17,105 INFO L195 MainTranslator]: Completed translation [2019-01-01 23:32:17,106 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:32:17 WrapperNode [2019-01-01 23:32:17,106 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-01 23:32:17,107 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-01 23:32:17,107 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-01 23:32:17,108 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-01 23:32:17,189 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:32:17" (1/1) ... [2019-01-01 23:32:17,208 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:32:17" (1/1) ... [2019-01-01 23:32:17,257 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-01 23:32:17,259 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-01 23:32:17,259 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-01 23:32:17,259 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-01 23:32:17,270 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:32:17" (1/1) ... [2019-01-01 23:32:17,270 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:32:17" (1/1) ... [2019-01-01 23:32:17,274 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:32:17" (1/1) ... [2019-01-01 23:32:17,274 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:32:17" (1/1) ... [2019-01-01 23:32:17,281 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:32:17" (1/1) ... [2019-01-01 23:32:17,292 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:32:17" (1/1) ... [2019-01-01 23:32:17,294 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:32:17" (1/1) ... [2019-01-01 23:32:17,299 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-01 23:32:17,300 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-01 23:32:17,300 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-01 23:32:17,300 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-01 23:32:17,301 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:32:17" (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 [2019-01-01 23:32:17,372 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-01 23:32:17,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-01-01 23:32:17,373 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-01 23:32:17,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-01 23:32:18,275 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-01 23:32:18,275 INFO L280 CfgBuilder]: Removed 66 assue(true) statements. [2019-01-01 23:32:18,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 11:32:18 BoogieIcfgContainer [2019-01-01 23:32:18,276 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-01 23:32:18,276 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-01-01 23:32:18,276 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-01-01 23:32:18,281 INFO L276 PluginConnector]: BuchiAutomizer initialized [2019-01-01 23:32:18,282 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 23:32:18,282 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.01 11:32:16" (1/3) ... [2019-01-01 23:32:18,283 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@70351655 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.01 11:32:18, skipping insertion in model container [2019-01-01 23:32:18,284 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 23:32:18,284 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:32:17" (2/3) ... [2019-01-01 23:32:18,285 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@70351655 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.01 11:32:18, skipping insertion in model container [2019-01-01 23:32:18,285 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 23:32:18,286 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 11:32:18" (3/3) ... [2019-01-01 23:32:18,288 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product09_true-unreach-call_false-termination.cil.c [2019-01-01 23:32:18,348 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-01 23:32:18,349 INFO L374 BuchiCegarLoop]: Interprodecural is true [2019-01-01 23:32:18,350 INFO L375 BuchiCegarLoop]: Hoare is false [2019-01-01 23:32:18,350 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-01-01 23:32:18,353 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-01 23:32:18,353 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-01 23:32:18,353 INFO L379 BuchiCegarLoop]: Difference is false [2019-01-01 23:32:18,353 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-01 23:32:18,353 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-01-01 23:32:18,371 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 54 states. [2019-01-01 23:32:18,401 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 33 [2019-01-01 23:32:18,402 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 23:32:18,402 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 23:32:18,412 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-01-01 23:32:18,413 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 23:32:18,413 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2019-01-01 23:32:18,413 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 54 states. [2019-01-01 23:32:18,420 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 33 [2019-01-01 23:32:18,420 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 23:32:18,420 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 23:32:18,421 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-01-01 23:32:18,421 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 23:32:18,428 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 [2019-01-01 23:32:18,428 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 [2019-01-01 23:32:18,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:32:18,443 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-01-01 23:32:18,446 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:32:18,446 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:32:18,499 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:32:18,499 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:32:18,500 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:32:19,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:32:19,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:32:19,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:32:19,552 INFO L82 PathProgramCache]: Analyzing trace with hash -1682573531, now seen corresponding path program 1 times [2019-01-01 23:32:19,552 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:32:19,553 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:32:19,554 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:32:19,555 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:32:19,556 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:32:19,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:32:19,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:32:19,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:32:19,578 INFO L82 PathProgramCache]: Analyzing trace with hash 31705407, now seen corresponding path program 1 times [2019-01-01 23:32:19,579 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:32:19,579 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:32:19,580 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:32:19,581 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:32:19,581 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:32:19,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:32:20,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:32:20,445 WARN L181 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2019-01-01 23:32:20,763 WARN L181 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2019-01-01 23:32:52,535 WARN L181 SmtUtils]: Spent 31.76 s on a formula simplification. DAG size of input: 451 DAG size of output: 449 [2019-01-01 23:33:07,993 WARN L181 SmtUtils]: Spent 15.46 s on a formula simplification that was a NOOP. DAG size: 449 [2019-01-01 23:33:08,070 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.01 11:33:08 BoogieIcfgContainer [2019-01-01 23:33:08,071 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-01-01 23:33:08,071 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-01 23:33:08,071 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-01 23:33:08,071 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-01 23:33:08,072 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 11:32:18" (3/4) ... [2019-01-01 23:33:08,077 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2019-01-01 23:33:08,166 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-01 23:33:08,166 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-01 23:33:08,168 INFO L168 Benchmark]: Toolchain (without parser) took 51686.12 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 304.1 MB). Free memory was 947.3 MB in the beginning and 1.0 GB in the end (delta: -70.1 MB). Peak memory consumption was 234.0 MB. Max. memory is 11.5 GB. [2019-01-01 23:33:08,171 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 23:33:08,172 INFO L168 Benchmark]: CACSL2BoogieTranslator took 624.14 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 925.9 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2019-01-01 23:33:08,174 INFO L168 Benchmark]: Boogie Procedure Inliner took 151.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 925.9 MB in the beginning and 1.1 GB in the end (delta: -207.6 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. [2019-01-01 23:33:08,175 INFO L168 Benchmark]: Boogie Preprocessor took 40.76 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. [2019-01-01 23:33:08,177 INFO L168 Benchmark]: RCFGBuilder took 975.73 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: 50.7 MB). Peak memory consumption was 50.7 MB. Max. memory is 11.5 GB. [2019-01-01 23:33:08,178 INFO L168 Benchmark]: BuchiAutomizer took 49794.49 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 158.9 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 54.5 MB). Peak memory consumption was 397.4 MB. Max. memory is 11.5 GB. [2019-01-01 23:33:08,178 INFO L168 Benchmark]: Witness Printer took 94.86 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: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 11.5 GB. [2019-01-01 23:33:08,191 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 624.14 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 925.9 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 151.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 925.9 MB in the beginning and 1.1 GB in the end (delta: -207.6 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 40.76 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 975.73 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: 50.7 MB). Peak memory consumption was 50.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 49794.49 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 158.9 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 54.5 MB). Peak memory consumption was 397.4 MB. Max. memory is 11.5 GB. * Witness Printer took 94.86 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: 1.9 MB). Peak memory consumption was 1.9 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 49.7s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 49.6s. 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: 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@27e2d3ce=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@49c8efc7=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@26cd511e=56, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@a16aa17=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@436a813c=0, NULL=-11, retValue_acc=1, tmp___2=56, NULL=-3, splverifierCounter=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@45a645a4=0, head=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@f220198=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...