./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec3_product17_false-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_spec3_product17_false-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 5ac89a83bf5f8cec9ed1c7380129a7935c1d366c .................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 04:22:20,702 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-14 04:22:20,704 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-14 04:22:20,715 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-14 04:22:20,716 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-14 04:22:20,717 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-14 04:22:20,718 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-14 04:22:20,720 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-14 04:22:20,722 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-14 04:22:20,723 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-14 04:22:20,724 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-14 04:22:20,725 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-14 04:22:20,726 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-14 04:22:20,727 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-14 04:22:20,728 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-14 04:22:20,729 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-14 04:22:20,730 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-14 04:22:20,732 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-14 04:22:20,735 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-14 04:22:20,736 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-14 04:22:20,738 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-14 04:22:20,739 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-14 04:22:20,742 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-14 04:22:20,743 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-14 04:22:20,743 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-14 04:22:20,744 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-14 04:22:20,746 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-14 04:22:20,747 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-14 04:22:20,747 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-14 04:22:20,749 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-14 04:22:20,749 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-14 04:22:20,750 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-14 04:22:20,750 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-14 04:22:20,750 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-14 04:22:20,752 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-14 04:22:20,753 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-14 04:22:20,753 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-01-14 04:22:20,770 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-14 04:22:20,771 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-14 04:22:20,772 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-14 04:22:20,772 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-14 04:22:20,772 INFO L133 SettingsManager]: * Use SBE=true [2019-01-14 04:22:20,773 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-01-14 04:22:20,773 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-01-14 04:22:20,773 INFO L133 SettingsManager]: * Use old map elimination=false [2019-01-14 04:22:20,773 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2019-01-14 04:22:20,773 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2019-01-14 04:22:20,773 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-01-14 04:22:20,774 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-14 04:22:20,774 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-14 04:22:20,774 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-14 04:22:20,774 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-14 04:22:20,774 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-14 04:22:20,775 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-14 04:22:20,775 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-01-14 04:22:20,775 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-01-14 04:22:20,775 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-01-14 04:22:20,775 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-14 04:22:20,775 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-14 04:22:20,776 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-01-14 04:22:20,778 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-14 04:22:20,778 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-01-14 04:22:20,778 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-14 04:22:20,778 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-14 04:22:20,778 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-01-14 04:22:20,779 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-14 04:22:20,779 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-14 04:22:20,780 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-01-14 04:22:20,780 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-01-14 04:22:20,781 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 -> 5ac89a83bf5f8cec9ed1c7380129a7935c1d366c [2019-01-14 04:22:20,816 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-14 04:22:20,829 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-14 04:22:20,833 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-14 04:22:20,835 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-14 04:22:20,835 INFO L276 PluginConnector]: CDTParser initialized [2019-01-14 04:22:20,836 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec3_product17_false-unreach-call_false-termination.cil.c [2019-01-14 04:22:20,894 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2442d996/a5468951d9b549748c739208bdf0de7e/FLAGd5e655c54 [2019-01-14 04:22:21,412 INFO L307 CDTParser]: Found 1 translation units. [2019-01-14 04:22:21,413 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec3_product17_false-unreach-call_false-termination.cil.c [2019-01-14 04:22:21,423 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2442d996/a5468951d9b549748c739208bdf0de7e/FLAGd5e655c54 [2019-01-14 04:22:21,687 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2442d996/a5468951d9b549748c739208bdf0de7e [2019-01-14 04:22:21,691 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-14 04:22:21,693 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-14 04:22:21,694 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-14 04:22:21,695 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-14 04:22:21,699 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-14 04:22:21,700 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 04:22:21" (1/1) ... [2019-01-14 04:22:21,703 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@672937de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:22:21, skipping insertion in model container [2019-01-14 04:22:21,704 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 04:22:21" (1/1) ... [2019-01-14 04:22:21,714 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-14 04:22:21,771 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-14 04:22:22,147 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 04:22:22,161 INFO L191 MainTranslator]: Completed pre-run [2019-01-14 04:22:22,298 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 04:22:22,419 INFO L195 MainTranslator]: Completed translation [2019-01-14 04:22:22,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:22:22 WrapperNode [2019-01-14 04:22:22,419 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-14 04:22:22,420 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-14 04:22:22,420 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-14 04:22:22,420 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-14 04:22:22,429 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:22:22" (1/1) ... [2019-01-14 04:22:22,453 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:22:22" (1/1) ... [2019-01-14 04:22:22,495 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-14 04:22:22,496 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-14 04:22:22,496 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-14 04:22:22,496 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-14 04:22:22,507 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:22:22" (1/1) ... [2019-01-14 04:22:22,507 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:22:22" (1/1) ... [2019-01-14 04:22:22,512 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:22:22" (1/1) ... [2019-01-14 04:22:22,513 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:22:22" (1/1) ... [2019-01-14 04:22:22,523 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:22:22" (1/1) ... [2019-01-14 04:22:22,531 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:22:22" (1/1) ... [2019-01-14 04:22:22,533 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:22:22" (1/1) ... [2019-01-14 04:22:22,538 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-14 04:22:22,538 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-14 04:22:22,538 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-14 04:22:22,539 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-14 04:22:22,539 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:22:22" (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 04:22:22,600 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-14 04:22:22,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-01-14 04:22:22,600 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-14 04:22:22,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-14 04:22:23,720 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-14 04:22:23,720 INFO L286 CfgBuilder]: Removed 102 assue(true) statements. [2019-01-14 04:22:23,722 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 04:22:23 BoogieIcfgContainer [2019-01-14 04:22:23,722 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-14 04:22:23,722 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-01-14 04:22:23,723 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-01-14 04:22:23,726 INFO L276 PluginConnector]: BuchiAutomizer initialized [2019-01-14 04:22:23,727 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 04:22:23,727 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 14.01 04:22:21" (1/3) ... [2019-01-14 04:22:23,728 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1dcd3610 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.01 04:22:23, skipping insertion in model container [2019-01-14 04:22:23,728 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 04:22:23,729 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:22:22" (2/3) ... [2019-01-14 04:22:23,729 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1dcd3610 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.01 04:22:23, skipping insertion in model container [2019-01-14 04:22:23,729 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 04:22:23,729 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 04:22:23" (3/3) ... [2019-01-14 04:22:23,732 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product17_false-unreach-call_false-termination.cil.c [2019-01-14 04:22:23,789 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-14 04:22:23,790 INFO L374 BuchiCegarLoop]: Interprodecural is true [2019-01-14 04:22:23,790 INFO L375 BuchiCegarLoop]: Hoare is false [2019-01-14 04:22:23,790 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-01-14 04:22:23,791 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-14 04:22:23,791 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-14 04:22:23,791 INFO L379 BuchiCegarLoop]: Difference is false [2019-01-14 04:22:23,792 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-14 04:22:23,792 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-01-14 04:22:23,812 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 78 states. [2019-01-14 04:22:23,841 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 49 [2019-01-14 04:22:23,841 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 04:22:23,841 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 04:22:23,854 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-01-14 04:22:23,854 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:22:23,854 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2019-01-14 04:22:23,855 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 78 states. [2019-01-14 04:22:23,861 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 49 [2019-01-14 04:22:23,861 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 04:22:23,861 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 04:22:23,862 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-01-14 04:22:23,862 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:22:23,868 INFO L794 eck$LassoCheckResult]: Stem: 34#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~head~0.base, ~head~0.offset := 0, 0;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(13);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string38.base, #t~string38.offset, 1);call write~init~int(77, #t~string38.base, 1 + #t~string38.offset, 1);call write~init~int(101, #t~string38.base, 2 + #t~string38.offset, 1);call write~init~int(116, #t~string38.base, 3 + #t~string38.offset, 1);call write~init~int(104, #t~string38.base, 4 + #t~string38.offset, 1);call write~init~int(58, #t~string38.base, 5 + #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 6 + #t~string38.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string40.base, #t~string40.offset, 1);call write~init~int(82, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(73, #t~string40.base, 2 + #t~string40.offset, 1);call write~init~int(84, #t~string40.base, 3 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 4 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(75, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 2 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string44.base, #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 1 + #t~string44.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(13);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(110, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 2 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 2 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 3 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string58.base, #t~string58.offset, 1);call write~init~int(80, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(117, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(109, #t~string58.base, 3 + #t~string58.offset, 1);call write~init~int(112, #t~string58.base, 4 + #t~string58.offset, 1);call write~init~int(58, #t~string58.base, 5 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 6 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(110, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 2 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 3 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string64.base, #t~string64.offset, 1);call write~init~int(32, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 2 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string66.base, #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 1 + #t~string66.offset, 1);~cleanupTimeShifts~0 := 4; 9#L-1true havoc main_#res;havoc main_#t~ret68, main_~retValue_acc~9, main_~tmp~6;havoc main_~retValue_acc~9;havoc main_~tmp~6; 25#L856true havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 50#L864true main_#t~ret68 := valid_product_#res;main_~tmp~6 := main_#t~ret68;havoc main_#t~ret68; 31#L820true assume 0 != main_~tmp~6; 41#L794true havoc test_#t~nondet45, test_#t~nondet46, test_#t~nondet47, test_#t~nondet48, 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; 71#L884-1true [2019-01-14 04:22:23,868 INFO L796 eck$LassoCheckResult]: Loop: 71#L884-1true assume !false; 46#L524true assume test_~splverifierCounter~0 < 4; 63#L525true test_~tmp~3 := test_#t~nondet45;havoc test_#t~nondet45; 8#L533true assume !(0 != test_~tmp~3); 68#L533-1true test_~tmp___0~0 := test_#t~nondet46;havoc test_#t~nondet46; 67#L543true assume !(0 != test_~tmp___0~0); 52#L543-1true test_~tmp___2~0 := test_#t~nondet47;havoc test_#t~nondet47; 33#L553true assume 0 != test_~tmp___2~0; 5#L559-2true assume !(0 != ~pumpRunning~0); 43#L590true assume !(0 != ~systemActive~0); 51#L597true havoc __utac_acc__Specification3_spec__1_#t~ret70, __utac_acc__Specification3_spec__1_#t~ret71, __utac_acc__Specification3_spec__1_#t~ret72, __utac_acc__Specification3_spec__1_~tmp~7, __utac_acc__Specification3_spec__1_~tmp___0~2, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~7;havoc __utac_acc__Specification3_spec__1_~tmp___0~2;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; 72#L456true __utac_acc__Specification3_spec__1_#t~ret70 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~7 := __utac_acc__Specification3_spec__1_#t~ret70;havoc __utac_acc__Specification3_spec__1_#t~ret70; 24#L878true assume 0 != __utac_acc__Specification3_spec__1_~tmp~7; 71#L884-1true [2019-01-14 04:22:23,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:22:23,879 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-01-14 04:22:23,881 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:22:23,882 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:22:23,923 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:22:23,923 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:22:23,924 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:22:24,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:22:24,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:22:24,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:22:24,701 INFO L82 PathProgramCache]: Analyzing trace with hash -1681683787, now seen corresponding path program 1 times [2019-01-14 04:22:24,702 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:22:24,702 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:22:24,703 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:22:24,703 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:22:24,703 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:22:24,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:22:24,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:22:24,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:22:24,717 INFO L82 PathProgramCache]: Analyzing trace with hash 32595151, now seen corresponding path program 1 times [2019-01-14 04:22:24,717 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:22:24,717 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:22:24,718 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:22:24,718 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:22:24,718 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:22:24,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 04:22:24,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 04:22:24,979 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 04:22:24,979 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-14 04:22:25,176 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-14 04:22:25,176 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-01-14 04:22:25,179 INFO L87 Difference]: Start difference. First operand 78 states. Second operand 6 states. [2019-01-14 04:22:25,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 04:22:25,321 INFO L93 Difference]: Finished difference Result 78 states and 106 transitions. [2019-01-14 04:22:25,326 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-14 04:22:25,330 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 78 states and 106 transitions. [2019-01-14 04:22:25,336 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 47 [2019-01-14 04:22:25,348 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 78 states to 71 states and 99 transitions. [2019-01-14 04:22:25,351 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 71 [2019-01-14 04:22:25,352 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 71 [2019-01-14 04:22:25,354 INFO L73 IsDeterministic]: Start isDeterministic. Operand 71 states and 99 transitions. [2019-01-14 04:22:25,354 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-01-14 04:22:25,355 INFO L706 BuchiCegarLoop]: Abstraction has 71 states and 99 transitions. [2019-01-14 04:22:25,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states and 99 transitions. [2019-01-14 04:22:25,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2019-01-14 04:22:25,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2019-01-14 04:22:25,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 99 transitions. [2019-01-14 04:22:25,396 INFO L729 BuchiCegarLoop]: Abstraction has 71 states and 99 transitions. [2019-01-14 04:22:25,396 INFO L609 BuchiCegarLoop]: Abstraction has 71 states and 99 transitions. [2019-01-14 04:22:25,397 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2019-01-14 04:22:25,397 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 71 states and 99 transitions. [2019-01-14 04:22:25,399 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 47 [2019-01-14 04:22:25,399 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 04:22:25,400 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 04:22:25,400 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-01-14 04:22:25,400 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:22:25,401 INFO L794 eck$LassoCheckResult]: Stem: 224#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~head~0.base, ~head~0.offset := 0, 0;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(13);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string38.base, #t~string38.offset, 1);call write~init~int(77, #t~string38.base, 1 + #t~string38.offset, 1);call write~init~int(101, #t~string38.base, 2 + #t~string38.offset, 1);call write~init~int(116, #t~string38.base, 3 + #t~string38.offset, 1);call write~init~int(104, #t~string38.base, 4 + #t~string38.offset, 1);call write~init~int(58, #t~string38.base, 5 + #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 6 + #t~string38.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string40.base, #t~string40.offset, 1);call write~init~int(82, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(73, #t~string40.base, 2 + #t~string40.offset, 1);call write~init~int(84, #t~string40.base, 3 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 4 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(75, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 2 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string44.base, #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 1 + #t~string44.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(13);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(110, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 2 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 2 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 3 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string58.base, #t~string58.offset, 1);call write~init~int(80, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(117, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(109, #t~string58.base, 3 + #t~string58.offset, 1);call write~init~int(112, #t~string58.base, 4 + #t~string58.offset, 1);call write~init~int(58, #t~string58.base, 5 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 6 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(110, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 2 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 3 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string64.base, #t~string64.offset, 1);call write~init~int(32, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 2 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string66.base, #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 1 + #t~string66.offset, 1);~cleanupTimeShifts~0 := 4; 189#L-1 havoc main_#res;havoc main_#t~ret68, main_~retValue_acc~9, main_~tmp~6;havoc main_~retValue_acc~9;havoc main_~tmp~6; 190#L856 havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 207#L864 main_#t~ret68 := valid_product_#res;main_~tmp~6 := main_#t~ret68;havoc main_#t~ret68; 219#L820 assume 0 != main_~tmp~6; 220#L794 havoc test_#t~nondet45, test_#t~nondet46, test_#t~nondet47, test_#t~nondet48, 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; 177#L884-1 [2019-01-14 04:22:25,402 INFO L796 eck$LassoCheckResult]: Loop: 177#L884-1 assume !false; 233#L524 assume test_~splverifierCounter~0 < 4; 234#L525 test_~tmp~3 := test_#t~nondet45;havoc test_#t~nondet45; 184#L533 assume !(0 != test_~tmp~3); 186#L533-1 test_~tmp___0~0 := test_#t~nondet46;havoc test_#t~nondet46; 244#L543 assume !(0 != test_~tmp___0~0); 228#L543-1 test_~tmp___2~0 := test_#t~nondet47;havoc test_#t~nondet47; 222#L553 assume 0 != test_~tmp___2~0; 178#L559-2 assume !(0 != ~pumpRunning~0); 179#L590 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret49, processEnvironment_~tmp~4;havoc processEnvironment_~tmp~4; 201#L622 assume !(0 != ~pumpRunning~0); 202#L597 havoc __utac_acc__Specification3_spec__1_#t~ret70, __utac_acc__Specification3_spec__1_#t~ret71, __utac_acc__Specification3_spec__1_#t~ret72, __utac_acc__Specification3_spec__1_~tmp~7, __utac_acc__Specification3_spec__1_~tmp___0~2, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~7;havoc __utac_acc__Specification3_spec__1_~tmp___0~2;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; 236#L456 __utac_acc__Specification3_spec__1_#t~ret70 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~7 := __utac_acc__Specification3_spec__1_#t~ret70;havoc __utac_acc__Specification3_spec__1_#t~ret70; 205#L878 assume 0 != __utac_acc__Specification3_spec__1_~tmp~7; 177#L884-1 [2019-01-14 04:22:25,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:22:25,403 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2019-01-14 04:22:25,408 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:22:25,408 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:22:25,410 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:22:25,410 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:22:25,411 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:22:25,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:22:25,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:22:25,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:22:25,767 INFO L82 PathProgramCache]: Analyzing trace with hash -619582386, now seen corresponding path program 1 times [2019-01-14 04:22:25,768 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:22:25,768 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:22:25,769 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:22:25,769 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-14 04:22:25,769 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:22:25,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:22:25,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:22:25,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:22:25,786 INFO L82 PathProgramCache]: Analyzing trace with hash 983457140, now seen corresponding path program 1 times [2019-01-14 04:22:25,786 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:22:25,786 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:22:25,787 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:22:25,787 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:22:25,788 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:22:25,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 04:22:26,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 04:22:26,033 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 04:22:26,033 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-14 04:22:26,193 WARN L181 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2019-01-14 04:22:26,351 WARN L181 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2019-01-14 04:22:26,367 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-14 04:22:26,368 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-14 04:22:26,368 INFO L87 Difference]: Start difference. First operand 71 states and 99 transitions. cyclomatic complexity: 30 Second operand 5 states. [2019-01-14 04:22:27,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 04:22:27,043 INFO L93 Difference]: Finished difference Result 241 states and 345 transitions. [2019-01-14 04:22:27,044 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-01-14 04:22:27,046 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 241 states and 345 transitions. [2019-01-14 04:22:27,059 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 168 [2019-01-14 04:22:27,066 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 241 states to 241 states and 345 transitions. [2019-01-14 04:22:27,068 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 241 [2019-01-14 04:22:27,069 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 241 [2019-01-14 04:22:27,069 INFO L73 IsDeterministic]: Start isDeterministic. Operand 241 states and 345 transitions. [2019-01-14 04:22:27,074 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-01-14 04:22:27,076 INFO L706 BuchiCegarLoop]: Abstraction has 241 states and 345 transitions. [2019-01-14 04:22:27,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states and 345 transitions. [2019-01-14 04:22:27,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 136. [2019-01-14 04:22:27,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2019-01-14 04:22:27,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 188 transitions. [2019-01-14 04:22:27,098 INFO L729 BuchiCegarLoop]: Abstraction has 136 states and 188 transitions. [2019-01-14 04:22:27,098 INFO L609 BuchiCegarLoop]: Abstraction has 136 states and 188 transitions. [2019-01-14 04:22:27,099 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2019-01-14 04:22:27,099 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 136 states and 188 transitions. [2019-01-14 04:22:27,100 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 94 [2019-01-14 04:22:27,102 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 04:22:27,102 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 04:22:27,103 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-01-14 04:22:27,103 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:22:27,103 INFO L794 eck$LassoCheckResult]: Stem: 553#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~head~0.base, ~head~0.offset := 0, 0;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(13);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string38.base, #t~string38.offset, 1);call write~init~int(77, #t~string38.base, 1 + #t~string38.offset, 1);call write~init~int(101, #t~string38.base, 2 + #t~string38.offset, 1);call write~init~int(116, #t~string38.base, 3 + #t~string38.offset, 1);call write~init~int(104, #t~string38.base, 4 + #t~string38.offset, 1);call write~init~int(58, #t~string38.base, 5 + #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 6 + #t~string38.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string40.base, #t~string40.offset, 1);call write~init~int(82, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(73, #t~string40.base, 2 + #t~string40.offset, 1);call write~init~int(84, #t~string40.base, 3 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 4 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(75, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 2 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string44.base, #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 1 + #t~string44.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(13);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(110, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 2 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 2 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 3 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string58.base, #t~string58.offset, 1);call write~init~int(80, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(117, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(109, #t~string58.base, 3 + #t~string58.offset, 1);call write~init~int(112, #t~string58.base, 4 + #t~string58.offset, 1);call write~init~int(58, #t~string58.base, 5 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 6 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(110, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 2 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 3 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string64.base, #t~string64.offset, 1);call write~init~int(32, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 2 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string66.base, #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 1 + #t~string66.offset, 1);~cleanupTimeShifts~0 := 4; 517#L-1 havoc main_#res;havoc main_#t~ret68, main_~retValue_acc~9, main_~tmp~6;havoc main_~retValue_acc~9;havoc main_~tmp~6; 518#L856 havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 537#L864 main_#t~ret68 := valid_product_#res;main_~tmp~6 := main_#t~ret68;havoc main_#t~ret68; 549#L820 assume 0 != main_~tmp~6; 550#L794 havoc test_#t~nondet45, test_#t~nondet46, test_#t~nondet47, test_#t~nondet48, 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; 507#L884-1 [2019-01-14 04:22:27,103 INFO L796 eck$LassoCheckResult]: Loop: 507#L884-1 assume !false; 563#L524 assume test_~splverifierCounter~0 < 4; 564#L525 test_~tmp~3 := test_#t~nondet45;havoc test_#t~nondet45; 639#L533 assume !(0 != test_~tmp~3); 637#L533-1 test_~tmp___0~0 := test_#t~nondet46;havoc test_#t~nondet46; 636#L543 assume !(0 != test_~tmp___0~0); 569#L543-1 test_~tmp___2~0 := test_#t~nondet47;havoc test_#t~nondet47; 552#L553 assume 0 != test_~tmp___2~0; 508#L559-2 assume !(0 != ~pumpRunning~0); 509#L590 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret49, processEnvironment_~tmp~4;havoc processEnvironment_~tmp~4; 531#L622 assume !(0 != ~pumpRunning~0); 532#L597 havoc __utac_acc__Specification3_spec__1_#t~ret70, __utac_acc__Specification3_spec__1_#t~ret71, __utac_acc__Specification3_spec__1_#t~ret72, __utac_acc__Specification3_spec__1_~tmp~7, __utac_acc__Specification3_spec__1_~tmp___0~2, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~7;havoc __utac_acc__Specification3_spec__1_~tmp___0~2;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; 611#L456 __utac_acc__Specification3_spec__1_#t~ret70 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~7 := __utac_acc__Specification3_spec__1_#t~ret70;havoc __utac_acc__Specification3_spec__1_#t~ret70; 533#L878 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~7);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; 534#L488 __utac_acc__Specification3_spec__1_#t~ret71 := getWaterLevel_#res;__utac_acc__Specification3_spec__1_~tmp___0~2 := __utac_acc__Specification3_spec__1_#t~ret71;havoc __utac_acc__Specification3_spec__1_#t~ret71; 584#L884 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~2); 507#L884-1 [2019-01-14 04:22:27,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:22:27,109 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 3 times [2019-01-14 04:22:27,109 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:22:27,109 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:22:27,111 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:22:27,111 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:22:27,111 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:22:27,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:22:27,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:22:27,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:22:27,372 INFO L82 PathProgramCache]: Analyzing trace with hash 1581787104, now seen corresponding path program 1 times [2019-01-14 04:22:27,372 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:22:27,372 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:22:27,374 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:22:27,375 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-14 04:22:27,375 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:22:27,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:22:27,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:22:27,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:22:27,387 INFO L82 PathProgramCache]: Analyzing trace with hash 209512326, now seen corresponding path program 1 times [2019-01-14 04:22:27,387 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:22:27,388 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:22:27,388 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:22:27,388 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:22:27,389 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:22:27,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:22:27,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:22:28,008 WARN L181 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2019-01-14 04:22:28,134 WARN L181 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2019-01-14 04:22:46,505 WARN L181 SmtUtils]: Spent 18.36 s on a formula simplification. DAG size of input: 451 DAG size of output: 449 [2019-01-14 04:22:58,281 WARN L181 SmtUtils]: Spent 11.78 s on a formula simplification that was a NOOP. DAG size: 449 [2019-01-14 04:22:58,361 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 14.01 04:22:58 BoogieIcfgContainer [2019-01-14 04:22:58,361 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-01-14 04:22:58,362 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-14 04:22:58,362 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-14 04:22:58,362 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-14 04:22:58,363 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 04:22:23" (3/4) ... [2019-01-14 04:22:58,368 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2019-01-14 04:22:58,476 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-14 04:22:58,477 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-14 04:22:58,478 INFO L168 Benchmark]: Toolchain (without parser) took 36786.51 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 307.2 MB). Free memory was 951.4 MB in the beginning and 884.8 MB in the end (delta: 66.6 MB). Peak memory consumption was 373.8 MB. Max. memory is 11.5 GB. [2019-01-14 04:22:58,481 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 04:22:58,483 INFO L168 Benchmark]: CACSL2BoogieTranslator took 725.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -187.5 MB). Peak memory consumption was 38.0 MB. Max. memory is 11.5 GB. [2019-01-14 04:22:58,485 INFO L168 Benchmark]: Boogie Procedure Inliner took 75.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. [2019-01-14 04:22:58,486 INFO L168 Benchmark]: Boogie Preprocessor took 42.06 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. [2019-01-14 04:22:58,486 INFO L168 Benchmark]: RCFGBuilder took 1183.72 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: 56.8 MB). Peak memory consumption was 56.8 MB. Max. memory is 11.5 GB. [2019-01-14 04:22:58,487 INFO L168 Benchmark]: BuchiAutomizer took 34638.88 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 162.5 MB). Free memory was 1.1 GB in the beginning and 896.6 MB in the end (delta: 179.1 MB). Peak memory consumption was 386.1 MB. Max. memory is 11.5 GB. [2019-01-14 04:22:58,487 INFO L168 Benchmark]: Witness Printer took 115.18 ms. Allocated memory is still 1.3 GB. Free memory was 896.6 MB in the beginning and 884.8 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2019-01-14 04:22:58,493 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 725.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -187.5 MB). Peak memory consumption was 38.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 75.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 42.06 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 1183.72 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: 56.8 MB). Peak memory consumption was 56.8 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 34638.88 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 162.5 MB). Free memory was 1.1 GB in the beginning and 896.6 MB in the end (delta: 179.1 MB). Peak memory consumption was 386.1 MB. Max. memory is 11.5 GB. * Witness Printer took 115.18 ms. Allocated memory is still 1.3 GB. Free memory was 896.6 MB in the beginning and 884.8 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 136 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 34.5s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 33.4s. Construction of modules took 0.4s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 105 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 136 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 236 SDtfs, 672 SDslu, 402 SDs, 0 SdLazy, 51 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc2 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: 523]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=0} State at position 1 is {NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1197d972=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1f74014f=71, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@59b23599=0, NULL=0, NULL=-16, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@135ba529=0, NULL=0, retValue_acc=0, NULL=-25, NULL=-2, methaneLevelCritical=0, retValue_acc=1, tmp=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@591be278=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@59f7a31a=0, tmp___1=0, NULL=-14, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@17e7141b=0, NULL=-9, NULL=-10, NULL=-1, NULL=-18, cleanupTimeShifts=4, NULL=-19, NULL=-8, tmp=0, tmp___0=1, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, \result=1, NULL=0, NULL=0, NULL=0, NULL=-23, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@69feb552=0, NULL=-4, NULL=0, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@592454fc=0, NULL=0, NULL=-22, NULL=0, NULL=0, \result=1, NULL=-13, head=0, pumpRunning=0, \result=0, NULL=-15, NULL=-3, NULL=0, NULL=0, NULL=-20, NULL=0, tmp=1, NULL=-11, tmp___2=71, retValue_acc=1, NULL=-12, splverifierCounter=0, \result=0, tmp___1=0, head=0, tmp=0, NULL=0, NULL=-5, NULL=-6, NULL=0, NULL=-17, NULL=0, NULL=0, NULL=-21, NULL=-24, NULL=-7} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L209] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L413] int waterLevel = 1; [L414] int methaneLevelCritical = 0; [L582] int pumpRunning = 0; [L583] int systemActive = 1; [L735] int cleanupTimeShifts = 4; [L811] int retValue_acc ; [L812] int tmp ; [L860] int retValue_acc ; [L863] retValue_acc = 1 [L864] return (retValue_acc); [L818] tmp = valid_product() [L820] COND TRUE \read(tmp) [L514] int splverifierCounter ; [L515] int tmp ; [L516] int tmp___0 ; [L517] int tmp___1 ; [L518] int tmp___2 ; [L521] splverifierCounter = 0 Loop: [L523] COND TRUE 1 [L525] COND TRUE splverifierCounter < 4 [L531] tmp = __VERIFIER_nondet_int() [L533] COND FALSE !(\read(tmp)) [L541] tmp___0 = __VERIFIER_nondet_int() [L543] COND FALSE !(\read(tmp___0)) [L551] tmp___2 = __VERIFIER_nondet_int() [L553] COND TRUE \read(tmp___2) [L590] COND FALSE !(\read(pumpRunning)) [L597] COND TRUE \read(systemActive) [L619] int tmp ; [L622] COND FALSE !(\read(pumpRunning)) [L870] int tmp ; [L871] int tmp___0 ; [L872] int tmp___1 ; [L452] int retValue_acc ; [L455] retValue_acc = methaneLevelCritical [L456] return (retValue_acc); [L876] tmp = isMethaneLevelCritical() [L878] COND FALSE !(\read(tmp)) [L484] int retValue_acc ; [L487] retValue_acc = waterLevel [L488] return (retValue_acc); [L882] tmp___0 = getWaterLevel() [L884] COND FALSE !(tmp___0 == 2) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...