./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec5_product10_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 91b1670e Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i /storage/repos/svcomp/c/product-lines/minepump_spec5_product10_true-unreach-call_false-termination.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2d67e274f27aefaa19a6f68f7cefceb62c152ab0 ............................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.24-91b1670 [2018-11-29 00:00:31,689 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-29 00:00:31,691 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-29 00:00:31,704 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-29 00:00:31,704 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-29 00:00:31,706 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-29 00:00:31,707 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-29 00:00:31,709 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-29 00:00:31,711 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-29 00:00:31,712 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-29 00:00:31,713 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-29 00:00:31,713 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-29 00:00:31,714 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-29 00:00:31,716 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-29 00:00:31,717 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-29 00:00:31,717 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-29 00:00:31,719 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-29 00:00:31,721 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-29 00:00:31,723 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-29 00:00:31,725 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-29 00:00:31,726 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-29 00:00:31,727 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-29 00:00:31,730 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-29 00:00:31,730 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-29 00:00:31,731 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-29 00:00:31,732 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-29 00:00:31,733 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-29 00:00:31,733 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-29 00:00:31,735 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-29 00:00:31,736 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-29 00:00:31,736 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-29 00:00:31,737 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-29 00:00:31,737 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-29 00:00:31,738 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-29 00:00:31,739 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-29 00:00:31,740 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-29 00:00:31,740 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-29 00:00:31,757 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-29 00:00:31,758 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-29 00:00:31,759 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-29 00:00:31,759 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-29 00:00:31,759 INFO L133 SettingsManager]: * Use SBE=true [2018-11-29 00:00:31,760 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-29 00:00:31,760 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-29 00:00:31,760 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-29 00:00:31,760 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-29 00:00:31,760 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-29 00:00:31,762 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-29 00:00:31,762 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-29 00:00:31,762 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-29 00:00:31,762 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-29 00:00:31,763 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-29 00:00:31,763 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-29 00:00:31,763 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-29 00:00:31,764 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-29 00:00:31,764 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-29 00:00:31,764 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-29 00:00:31,764 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-29 00:00:31,764 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-29 00:00:31,764 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-29 00:00:31,766 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-29 00:00:31,766 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-29 00:00:31,766 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-29 00:00:31,766 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-29 00:00:31,766 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-29 00:00:31,767 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-29 00:00:31,767 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-29 00:00:31,767 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-29 00:00:31,769 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-29 00:00:31,769 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 -> 2d67e274f27aefaa19a6f68f7cefceb62c152ab0 [2018-11-29 00:00:31,805 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-29 00:00:31,818 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-29 00:00:31,822 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-29 00:00:31,823 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-29 00:00:31,824 INFO L276 PluginConnector]: CDTParser initialized [2018-11-29 00:00:31,824 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec5_product10_true-unreach-call_false-termination.cil.c [2018-11-29 00:00:31,889 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6c0f8e56/f1a297f8313043be9a8fb7fee8cd5d00/FLAG6fef4660a [2018-11-29 00:00:32,400 INFO L307 CDTParser]: Found 1 translation units. [2018-11-29 00:00:32,401 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec5_product10_true-unreach-call_false-termination.cil.c [2018-11-29 00:00:32,414 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6c0f8e56/f1a297f8313043be9a8fb7fee8cd5d00/FLAG6fef4660a [2018-11-29 00:00:32,691 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6c0f8e56/f1a297f8313043be9a8fb7fee8cd5d00 [2018-11-29 00:00:32,694 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-29 00:00:32,696 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-29 00:00:32,697 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-29 00:00:32,697 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-29 00:00:32,702 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-29 00:00:32,702 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 12:00:32" (1/1) ... [2018-11-29 00:00:32,706 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71aa32a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:00:32, skipping insertion in model container [2018-11-29 00:00:32,706 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 12:00:32" (1/1) ... [2018-11-29 00:00:32,715 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-29 00:00:32,780 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-29 00:00:33,166 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-29 00:00:33,200 INFO L191 MainTranslator]: Completed pre-run [2018-11-29 00:00:33,330 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-29 00:00:33,460 INFO L195 MainTranslator]: Completed translation [2018-11-29 00:00:33,461 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:00:33 WrapperNode [2018-11-29 00:00:33,461 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-29 00:00:33,462 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-29 00:00:33,462 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-29 00:00:33,462 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-29 00:00:33,475 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:00:33" (1/1) ... [2018-11-29 00:00:33,497 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:00:33" (1/1) ... [2018-11-29 00:00:33,533 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-29 00:00:33,534 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-29 00:00:33,534 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-29 00:00:33,534 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-29 00:00:33,544 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:00:33" (1/1) ... [2018-11-29 00:00:33,544 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:00:33" (1/1) ... [2018-11-29 00:00:33,549 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:00:33" (1/1) ... [2018-11-29 00:00:33,549 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:00:33" (1/1) ... [2018-11-29 00:00:33,558 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:00:33" (1/1) ... [2018-11-29 00:00:33,565 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:00:33" (1/1) ... [2018-11-29 00:00:33,568 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:00:33" (1/1) ... [2018-11-29 00:00:33,571 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-29 00:00:33,571 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-29 00:00:33,571 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-29 00:00:33,572 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-29 00:00:33,572 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:00:33" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-29 00:00:33,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-29 00:00:33,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-29 00:00:33,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-29 00:00:33,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-29 00:00:34,561 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-29 00:00:34,561 INFO L280 CfgBuilder]: Removed 82 assue(true) statements. [2018-11-29 00:00:34,562 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:00:34 BoogieIcfgContainer [2018-11-29 00:00:34,562 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-29 00:00:34,563 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-29 00:00:34,563 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-29 00:00:34,567 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-29 00:00:34,568 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-29 00:00:34,569 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.11 12:00:32" (1/3) ... [2018-11-29 00:00:34,570 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@cb74dc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 12:00:34, skipping insertion in model container [2018-11-29 00:00:34,570 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-29 00:00:34,570 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:00:33" (2/3) ... [2018-11-29 00:00:34,571 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@cb74dc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 12:00:34, skipping insertion in model container [2018-11-29 00:00:34,571 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-29 00:00:34,571 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:00:34" (3/3) ... [2018-11-29 00:00:34,574 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product10_true-unreach-call_false-termination.cil.c [2018-11-29 00:00:34,634 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-29 00:00:34,635 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-29 00:00:34,635 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-29 00:00:34,635 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-29 00:00:34,635 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-29 00:00:34,636 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-29 00:00:34,636 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-29 00:00:34,636 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-29 00:00:34,636 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-29 00:00:34,656 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 63 states. [2018-11-29 00:00:34,690 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 39 [2018-11-29 00:00:34,690 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-29 00:00:34,690 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-29 00:00:34,702 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-29 00:00:34,702 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-29 00:00:34,702 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-29 00:00:34,702 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 63 states. [2018-11-29 00:00:34,708 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 39 [2018-11-29 00:00:34,708 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-29 00:00:34,709 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-29 00:00:34,710 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-29 00:00:34,710 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-29 00:00:34,717 INFO L794 eck$LassoCheckResult]: Stem: 27#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string2.base, #t~string2.offset := #Ultimate.alloc(13);call #t~string4.base, #t~string4.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string4.base, #t~string4.offset, 1);call write~init~int(77, #t~string4.base, 1 + #t~string4.offset, 1);call write~init~int(101, #t~string4.base, 2 + #t~string4.offset, 1);call write~init~int(116, #t~string4.base, 3 + #t~string4.offset, 1);call write~init~int(104, #t~string4.base, 4 + #t~string4.offset, 1);call write~init~int(58, #t~string4.base, 5 + #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 6 + #t~string4.offset, 1);call #t~string6.base, #t~string6.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string6.base, #t~string6.offset, 1);call write~init~int(82, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(73, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(84, #t~string6.base, 3 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 4 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(75, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 2 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string10.base, #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 1 + #t~string10.offset, 1);~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0;call #t~string32.base, #t~string32.offset := #Ultimate.alloc(30);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(9);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(21);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(30);call #t~string36.base, #t~string36.offset := #Ultimate.alloc(9);call #t~string37.base, #t~string37.offset := #Ultimate.alloc(21);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(30);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(9);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(25);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(30);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(9);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(25);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string56.base, #t~string56.offset := #Ultimate.alloc(13);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(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.alloc(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.alloc(7);call write~init~int(44, #t~string62.base, #t~string62.offset, 1);call write~init~int(80, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(117, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(109, #t~string62.base, 3 + #t~string62.offset, 1);call write~init~int(112, #t~string62.base, 4 + #t~string62.offset, 1);call write~init~int(58, #t~string62.base, 5 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 6 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(110, #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.alloc(4);call write~init~int(79, #t~string66.base, #t~string66.offset, 1);call write~init~int(102, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(102, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 3 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string68.base, #t~string68.offset, 1);call write~init~int(32, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 2 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string70.base, #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 1 + #t~string70.offset, 1);~cleanupTimeShifts~0 := 4; 9#L-1true havoc main_#res;havoc main_#t~ret71, main_~retValue_acc~9, main_~tmp~6;havoc main_~retValue_acc~9;havoc main_~tmp~6; 15#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~ret71 := valid_product_#res;main_~tmp~6 := main_#t~ret71;havoc main_#t~ret71; 28#L882true assume 0 != main_~tmp~6; 65#L858true ~switchedOnBeforeTS~0 := 0; 29#L172true havoc test_#t~nondet49, test_#t~nondet50, test_#t~nondet51, test_#t~nondet52, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 13#L193-1true [2018-11-29 00:00:34,718 INFO L796 eck$LassoCheckResult]: Loop: 13#L193-1true assume !false; 60#L595true assume test_~splverifierCounter~0 < 4; 10#L596true test_~tmp~4 := test_#t~nondet49;havoc test_#t~nondet49; 30#L604true assume !(0 != test_~tmp~4); 33#L604-1true test_~tmp___0~1 := test_#t~nondet50;havoc test_#t~nondet50; 19#L614true assume !(0 != test_~tmp___0~1); 22#L614-1true test_~tmp___2~0 := test_#t~nondet51;havoc test_#t~nondet51; 63#L624true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 6#L632-2true havoc __utac_acc__Specification5_spec__2_#t~ret11;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~8;havoc isPumpRunning_~retValue_acc~8;isPumpRunning_~retValue_acc~8 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~8; 64#L741true __utac_acc__Specification5_spec__2_#t~ret11 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret11;havoc __utac_acc__Specification5_spec__2_#t~ret11; 14#L182true assume !(0 != ~pumpRunning~0); 46#L664true assume 0 != ~systemActive~0; 57#L671true havoc __utac_acc__Specification5_spec__3_#t~ret12, __utac_acc__Specification5_spec__3_#t~ret13, __utac_acc__Specification5_spec__3_~tmp~0, __utac_acc__Specification5_spec__3_~tmp___0~0;havoc __utac_acc__Specification5_spec__3_~tmp~0;havoc __utac_acc__Specification5_spec__3_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~3;havoc getWaterLevel_~retValue_acc~3;getWaterLevel_~retValue_acc~3 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~3; 59#L159true __utac_acc__Specification5_spec__3_#t~ret12 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~0 := __utac_acc__Specification5_spec__3_#t~ret12;havoc __utac_acc__Specification5_spec__3_#t~ret12; 16#L193true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~0); 13#L193-1true [2018-11-29 00:00:34,729 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-29 00:00:34,729 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2018-11-29 00:00:34,733 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-29 00:00:34,734 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-29 00:00:34,798 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-29 00:00:34,799 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-29 00:00:34,799 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-29 00:00:34,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-29 00:00:35,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-29 00:00:35,093 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-29 00:00:35,093 INFO L82 PathProgramCache]: Analyzing trace with hash 1010394288, now seen corresponding path program 1 times [2018-11-29 00:00:35,093 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-29 00:00:35,093 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-29 00:00:35,094 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-29 00:00:35,095 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-29 00:00:35,095 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-29 00:00:35,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-29 00:00:35,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-29 00:00:35,116 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-29 00:00:35,116 INFO L82 PathProgramCache]: Analyzing trace with hash -1350547798, now seen corresponding path program 1 times [2018-11-29 00:00:35,116 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-29 00:00:35,116 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-29 00:00:35,117 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-29 00:00:35,117 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-29 00:00:35,118 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-29 00:00:35,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-29 00:00:35,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-29 00:00:35,479 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-29 00:00:35,479 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-29 00:00:35,843 WARN L180 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2018-11-29 00:00:35,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-29 00:00:35,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-29 00:00:35,940 INFO L87 Difference]: Start difference. First operand 63 states. Second operand 5 states. [2018-11-29 00:00:36,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-29 00:00:36,547 INFO L93 Difference]: Finished difference Result 162 states and 218 transitions. [2018-11-29 00:00:36,547 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-29 00:00:36,550 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 162 states and 218 transitions. [2018-11-29 00:00:36,558 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 71 [2018-11-29 00:00:36,567 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 162 states to 144 states and 200 transitions. [2018-11-29 00:00:36,571 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 144 [2018-11-29 00:00:36,572 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 144 [2018-11-29 00:00:36,573 INFO L73 IsDeterministic]: Start isDeterministic. Operand 144 states and 200 transitions. [2018-11-29 00:00:36,575 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-29 00:00:36,576 INFO L705 BuchiCegarLoop]: Abstraction has 144 states and 200 transitions. [2018-11-29 00:00:36,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states and 200 transitions. [2018-11-29 00:00:36,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 105. [2018-11-29 00:00:36,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2018-11-29 00:00:36,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 142 transitions. [2018-11-29 00:00:36,643 INFO L728 BuchiCegarLoop]: Abstraction has 105 states and 142 transitions. [2018-11-29 00:00:36,644 INFO L608 BuchiCegarLoop]: Abstraction has 105 states and 142 transitions. [2018-11-29 00:00:36,644 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-29 00:00:36,644 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 105 states and 142 transitions. [2018-11-29 00:00:36,652 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 71 [2018-11-29 00:00:36,656 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-29 00:00:36,656 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-29 00:00:36,657 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-29 00:00:36,657 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-29 00:00:36,657 INFO L794 eck$LassoCheckResult]: Stem: 281#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string2.base, #t~string2.offset := #Ultimate.alloc(13);call #t~string4.base, #t~string4.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string4.base, #t~string4.offset, 1);call write~init~int(77, #t~string4.base, 1 + #t~string4.offset, 1);call write~init~int(101, #t~string4.base, 2 + #t~string4.offset, 1);call write~init~int(116, #t~string4.base, 3 + #t~string4.offset, 1);call write~init~int(104, #t~string4.base, 4 + #t~string4.offset, 1);call write~init~int(58, #t~string4.base, 5 + #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 6 + #t~string4.offset, 1);call #t~string6.base, #t~string6.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string6.base, #t~string6.offset, 1);call write~init~int(82, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(73, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(84, #t~string6.base, 3 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 4 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(75, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 2 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string10.base, #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 1 + #t~string10.offset, 1);~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0;call #t~string32.base, #t~string32.offset := #Ultimate.alloc(30);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(9);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(21);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(30);call #t~string36.base, #t~string36.offset := #Ultimate.alloc(9);call #t~string37.base, #t~string37.offset := #Ultimate.alloc(21);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(30);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(9);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(25);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(30);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(9);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(25);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string56.base, #t~string56.offset := #Ultimate.alloc(13);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(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.alloc(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.alloc(7);call write~init~int(44, #t~string62.base, #t~string62.offset, 1);call write~init~int(80, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(117, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(109, #t~string62.base, 3 + #t~string62.offset, 1);call write~init~int(112, #t~string62.base, 4 + #t~string62.offset, 1);call write~init~int(58, #t~string62.base, 5 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 6 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(110, #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.alloc(4);call write~init~int(79, #t~string66.base, #t~string66.offset, 1);call write~init~int(102, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(102, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 3 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string68.base, #t~string68.offset, 1);call write~init~int(32, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 2 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string70.base, #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 1 + #t~string70.offset, 1);~cleanupTimeShifts~0 := 4; 256#L-1 havoc main_#res;havoc main_#t~ret71, main_~retValue_acc~9, main_~tmp~6;havoc main_~retValue_acc~9;havoc main_~tmp~6; 257#L65 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; 254#L73 main_#t~ret71 := valid_product_#res;main_~tmp~6 := main_#t~ret71;havoc main_#t~ret71; 255#L882 assume 0 != main_~tmp~6; 282#L858 ~switchedOnBeforeTS~0 := 0; 283#L172 havoc test_#t~nondet49, test_#t~nondet50, test_#t~nondet51, test_#t~nondet52, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 245#L193-1 [2018-11-29 00:00:36,659 INFO L796 eck$LassoCheckResult]: Loop: 245#L193-1 assume !false; 265#L595 assume test_~splverifierCounter~0 < 4; 258#L596 test_~tmp~4 := test_#t~nondet49;havoc test_#t~nondet49; 259#L604 assume !(0 != test_~tmp~4); 284#L604-1 test_~tmp___0~1 := test_#t~nondet50;havoc test_#t~nondet50; 274#L614 assume !(0 != test_~tmp___0~1); 276#L614-1 test_~tmp___2~0 := test_#t~nondet51;havoc test_#t~nondet51; 280#L624 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 248#L632-2 havoc __utac_acc__Specification5_spec__2_#t~ret11;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~8;havoc isPumpRunning_~retValue_acc~8;isPumpRunning_~retValue_acc~8 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~8; 251#L741 __utac_acc__Specification5_spec__2_#t~ret11 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret11;havoc __utac_acc__Specification5_spec__2_#t~ret11; 340#L182 assume !(0 != ~pumpRunning~0); 339#L664 assume 0 != ~systemActive~0; 318#L671 havoc __utac_acc__Specification5_spec__3_#t~ret12, __utac_acc__Specification5_spec__3_#t~ret13, __utac_acc__Specification5_spec__3_~tmp~0, __utac_acc__Specification5_spec__3_~tmp___0~0;havoc __utac_acc__Specification5_spec__3_~tmp~0;havoc __utac_acc__Specification5_spec__3_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~3;havoc getWaterLevel_~retValue_acc~3;getWaterLevel_~retValue_acc~3 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~3; 319#L159 __utac_acc__Specification5_spec__3_#t~ret12 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~0 := __utac_acc__Specification5_spec__3_#t~ret12;havoc __utac_acc__Specification5_spec__3_#t~ret12; 269#L193 assume 2 != __utac_acc__Specification5_spec__3_~tmp~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~8;havoc isPumpRunning_~retValue_acc~8;isPumpRunning_~retValue_acc~8 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~8; 270#L741-1 __utac_acc__Specification5_spec__3_#t~ret13 := isPumpRunning_#res;__utac_acc__Specification5_spec__3_~tmp___0~0 := __utac_acc__Specification5_spec__3_#t~ret13;havoc __utac_acc__Specification5_spec__3_#t~ret13; 244#L197 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~0); 245#L193-1 [2018-11-29 00:00:36,659 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-29 00:00:36,660 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2018-11-29 00:00:36,660 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-29 00:00:36,660 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-29 00:00:36,661 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-29 00:00:36,661 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-29 00:00:36,661 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-29 00:00:36,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-29 00:00:36,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-29 00:00:36,793 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-29 00:00:36,795 INFO L82 PathProgramCache]: Analyzing trace with hash 326286923, now seen corresponding path program 1 times [2018-11-29 00:00:36,795 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-29 00:00:36,795 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-29 00:00:36,796 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-29 00:00:36,796 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-29 00:00:36,798 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-29 00:00:36,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-29 00:00:36,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-29 00:00:36,828 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-29 00:00:36,830 INFO L82 PathProgramCache]: Analyzing trace with hash -796325435, now seen corresponding path program 1 times [2018-11-29 00:00:36,830 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-29 00:00:36,830 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-29 00:00:36,831 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-29 00:00:36,831 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-29 00:00:36,832 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-29 00:00:36,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-29 00:00:36,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-29 00:00:37,163 WARN L180 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 45 [2018-11-29 00:00:37,338 WARN L180 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2018-11-29 00:00:45,719 WARN L180 SmtUtils]: Spent 8.37 s on a formula simplification. DAG size of input: 429 DAG size of output: 427 [2018-11-29 00:00:49,821 WARN L180 SmtUtils]: Spent 4.09 s on a formula simplification that was a NOOP. DAG size: 425 [2018-11-29 00:00:49,879 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.11 12:00:49 BoogieIcfgContainer [2018-11-29 00:00:49,880 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-29 00:00:49,880 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-29 00:00:49,880 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-29 00:00:49,880 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-29 00:00:49,881 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:00:34" (3/4) ... [2018-11-29 00:00:49,886 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-29 00:00:49,948 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-29 00:00:49,949 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-29 00:00:49,949 INFO L168 Benchmark]: Toolchain (without parser) took 17254.69 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 294.6 MB). Free memory was 951.3 MB in the beginning and 915.8 MB in the end (delta: 35.5 MB). Peak memory consumption was 330.2 MB. Max. memory is 11.5 GB. [2018-11-29 00:00:49,951 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-29 00:00:49,951 INFO L168 Benchmark]: CACSL2BoogieTranslator took 764.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 951.3 MB in the beginning and 1.1 GB in the end (delta: -181.8 MB). Peak memory consumption was 37.7 MB. Max. memory is 11.5 GB. [2018-11-29 00:00:49,952 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.46 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-11-29 00:00:49,952 INFO L168 Benchmark]: Boogie Preprocessor took 37.32 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. [2018-11-29 00:00:49,953 INFO L168 Benchmark]: RCFGBuilder took 990.84 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: 52.7 MB). Peak memory consumption was 52.7 MB. Max. memory is 11.5 GB. [2018-11-29 00:00:49,953 INFO L168 Benchmark]: BuchiAutomizer took 15316.49 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 155.2 MB). Free memory was 1.1 GB in the beginning and 924.9 MB in the end (delta: 148.8 MB). Peak memory consumption was 346.1 MB. Max. memory is 11.5 GB. [2018-11-29 00:00:49,954 INFO L168 Benchmark]: Witness Printer took 68.56 ms. Allocated memory is still 1.3 GB. Free memory was 924.9 MB in the beginning and 915.8 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 11.5 GB. [2018-11-29 00:00:49,959 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 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 764.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 951.3 MB in the beginning and 1.1 GB in the end (delta: -181.8 MB). Peak memory consumption was 37.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 71.46 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 37.32 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 990.84 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: 52.7 MB). Peak memory consumption was 52.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 15316.49 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 155.2 MB). Free memory was 1.1 GB in the beginning and 924.9 MB in the end (delta: 148.8 MB). Peak memory consumption was 346.1 MB. Max. memory is 11.5 GB. * Witness Printer took 68.56 ms. Allocated memory is still 1.3 GB. Free memory was 924.9 MB in the beginning and 915.8 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 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 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 5 locations. The remainder module has 105 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 15.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 14.3s. Construction of modules took 0.4s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 39 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 105 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 126 SDtfs, 224 SDslu, 235 SDs, 0 SdLazy, 67 SolverSat, 19 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 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: 594]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {NULL=0, NULL=0, NULL=0, NULL=14, NULL=0, NULL=39, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@44c47dfd=0, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@32b8c12d=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@44d3ac01=0, NULL=0, NULL=0, retValue_acc=0, NULL=22, NULL=35, methaneLevelCritical=0, NULL=15, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@704bfe24=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4ac0bd57=56, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1ef25d3=0, NULL=24, tmp=0, NULL=29, NULL=0, NULL=8, NULL=0, NULL=36, NULL=18, tmp___1=0, tmp=1, NULL=0, NULL=0, NULL=0, NULL=0, NULL=40, cleanupTimeShifts=4, NULL=11, switchedOnBeforeTS=0, NULL=23, NULL=37, \result=0, NULL=0, systemActive=1, waterLevel=1, \result=1, NULL=0, NULL=28, NULL=0, NULL=27, NULL=26, NULL=0, NULL=0, retValue_acc=1, NULL=17, tmp___0=0, \result=1, head=0, pumpRunning=0, \result=0, NULL=0, NULL=34, NULL=0, NULL=0, NULL=0, NULL=0, tmp=1, NULL=31, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6b129ab1=0, retValue_acc=1, tmp___2=56, tmp___0=0, splverifierCounter=0, NULL=16, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@389d584e=0, NULL=20, head=0, NULL=12, NULL=0, NULL=38, NULL=33, retValue_acc=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L84] int waterLevel = 1; [L85] int methaneLevelCritical = 0; [L166] int switchedOnBeforeTS ; [L384] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L654] int pumpRunning = 0; [L655] int systemActive = 1; [L799] int cleanupTimeShifts = 4; [L873] int retValue_acc ; [L874] int tmp ; [L69] int retValue_acc ; [L72] retValue_acc = 1 [L73] return (retValue_acc); [L880] tmp = valid_product() [L882] COND TRUE \read(tmp) [L171] switchedOnBeforeTS = 0 [L585] int splverifierCounter ; [L586] int tmp ; [L587] int tmp___0 ; [L588] int tmp___1 ; [L589] int tmp___2 ; [L592] splverifierCounter = 0 Loop: [L594] COND TRUE 1 [L596] COND TRUE splverifierCounter < 4 [L602] tmp = __VERIFIER_nondet_int() [L604] COND FALSE !(\read(tmp)) [L612] tmp___0 = __VERIFIER_nondet_int() [L614] COND FALSE !(\read(tmp___0)) [L622] tmp___2 = __VERIFIER_nondet_int() [L624] COND TRUE \read(tmp___2) [L785] systemActive = 1 [L737] int retValue_acc ; [L740] retValue_acc = pumpRunning [L741] return (retValue_acc); [L180] switchedOnBeforeTS = isPumpRunning() [L664] COND FALSE !(\read(pumpRunning)) [L671] COND TRUE \read(systemActive) [L186] int tmp ; [L187] int tmp___0 ; [L155] int retValue_acc ; [L158] retValue_acc = waterLevel [L159] return (retValue_acc); [L191] tmp = getWaterLevel() [L193] COND TRUE tmp != 2 [L737] int retValue_acc ; [L740] retValue_acc = pumpRunning [L741] return (retValue_acc); [L195] tmp___0 = isPumpRunning() [L197] COND FALSE !(\read(tmp___0)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...