./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec4_product10_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 2e94e6aa Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i /storage/repos/svcomp/c/product-lines/minepump_spec4_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 eac2167e56762050a6cde7d8ccfbf36c5d226056 ...................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.24-2e94e6a [2019-01-01 23:45:43,679 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-01 23:45:43,681 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-01 23:45:43,698 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-01 23:45:43,699 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-01 23:45:43,700 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-01 23:45:43,702 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-01 23:45:43,704 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-01 23:45:43,706 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-01 23:45:43,709 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-01 23:45:43,711 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-01 23:45:43,712 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-01 23:45:43,713 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-01 23:45:43,716 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-01 23:45:43,718 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-01 23:45:43,726 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-01 23:45:43,727 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-01 23:45:43,732 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-01 23:45:43,736 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-01 23:45:43,739 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-01 23:45:43,740 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-01 23:45:43,744 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-01 23:45:43,749 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-01 23:45:43,749 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-01 23:45:43,749 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-01 23:45:43,750 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-01 23:45:43,751 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-01 23:45:43,752 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-01 23:45:43,755 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-01 23:45:43,756 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-01 23:45:43,758 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-01 23:45:43,759 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-01 23:45:43,759 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-01 23:45:43,759 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-01 23:45:43,760 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-01 23:45:43,764 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-01 23:45:43,766 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-01-01 23:45:43,794 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-01 23:45:43,794 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-01 23:45:43,796 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-01 23:45:43,796 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-01 23:45:43,796 INFO L133 SettingsManager]: * Use SBE=true [2019-01-01 23:45:43,796 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-01-01 23:45:43,796 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-01-01 23:45:43,798 INFO L133 SettingsManager]: * Use old map elimination=false [2019-01-01 23:45:43,798 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2019-01-01 23:45:43,798 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2019-01-01 23:45:43,798 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-01-01 23:45:43,799 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-01 23:45:43,799 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-01 23:45:43,799 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-01 23:45:43,800 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-01 23:45:43,800 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-01 23:45:43,800 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-01 23:45:43,800 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-01-01 23:45:43,800 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-01-01 23:45:43,800 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-01-01 23:45:43,801 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-01 23:45:43,801 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-01 23:45:43,801 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-01-01 23:45:43,801 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-01 23:45:43,801 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-01-01 23:45:43,801 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-01 23:45:43,801 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-01 23:45:43,805 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-01-01 23:45:43,805 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-01 23:45:43,805 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-01 23:45:43,805 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-01-01 23:45:43,806 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-01-01 23:45:43,806 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 -> eac2167e56762050a6cde7d8ccfbf36c5d226056 [2019-01-01 23:45:43,874 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-01 23:45:43,893 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-01 23:45:43,898 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-01 23:45:43,900 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-01 23:45:43,900 INFO L276 PluginConnector]: CDTParser initialized [2019-01-01 23:45:43,901 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec4_product10_true-unreach-call_false-termination.cil.c [2019-01-01 23:45:43,966 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f0b268c4a/ef7475d46e1d4a3480976aa54d1ff485/FLAG009789b8a [2019-01-01 23:45:44,554 INFO L307 CDTParser]: Found 1 translation units. [2019-01-01 23:45:44,555 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec4_product10_true-unreach-call_false-termination.cil.c [2019-01-01 23:45:44,570 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f0b268c4a/ef7475d46e1d4a3480976aa54d1ff485/FLAG009789b8a [2019-01-01 23:45:44,792 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f0b268c4a/ef7475d46e1d4a3480976aa54d1ff485 [2019-01-01 23:45:44,796 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-01 23:45:44,798 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-01 23:45:44,799 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-01 23:45:44,799 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-01 23:45:44,803 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-01 23:45:44,804 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 11:45:44" (1/1) ... [2019-01-01 23:45:44,807 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d044f6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:45:44, skipping insertion in model container [2019-01-01 23:45:44,807 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 11:45:44" (1/1) ... [2019-01-01 23:45:44,816 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-01 23:45:44,874 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-01 23:45:45,286 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 23:45:45,301 INFO L191 MainTranslator]: Completed pre-run [2019-01-01 23:45:45,465 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 23:45:45,498 INFO L195 MainTranslator]: Completed translation [2019-01-01 23:45:45,499 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:45:45 WrapperNode [2019-01-01 23:45:45,499 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-01 23:45:45,500 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-01 23:45:45,500 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-01 23:45:45,500 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-01 23:45:45,510 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:45:45" (1/1) ... [2019-01-01 23:45:45,532 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:45:45" (1/1) ... [2019-01-01 23:45:45,572 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-01 23:45:45,573 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-01 23:45:45,573 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-01 23:45:45,573 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-01 23:45:45,585 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:45:45" (1/1) ... [2019-01-01 23:45:45,585 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:45:45" (1/1) ... [2019-01-01 23:45:45,589 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:45:45" (1/1) ... [2019-01-01 23:45:45,589 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:45:45" (1/1) ... [2019-01-01 23:45:45,598 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:45:45" (1/1) ... [2019-01-01 23:45:45,605 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:45:45" (1/1) ... [2019-01-01 23:45:45,608 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:45:45" (1/1) ... [2019-01-01 23:45:45,611 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-01 23:45:45,612 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-01 23:45:45,612 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-01 23:45:45,612 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-01 23:45:45,613 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:45:45" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:45:45,704 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-01 23:45:45,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-01-01 23:45:45,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-01 23:45:45,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-01 23:45:46,669 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-01 23:45:46,670 INFO L280 CfgBuilder]: Removed 68 assue(true) statements. [2019-01-01 23:45:46,670 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 11:45:46 BoogieIcfgContainer [2019-01-01 23:45:46,671 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-01 23:45:46,671 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-01-01 23:45:46,671 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-01-01 23:45:46,675 INFO L276 PluginConnector]: BuchiAutomizer initialized [2019-01-01 23:45:46,676 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 23:45:46,676 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.01 11:45:44" (1/3) ... [2019-01-01 23:45:46,677 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@424604b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.01 11:45:46, skipping insertion in model container [2019-01-01 23:45:46,678 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 23:45:46,678 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:45:45" (2/3) ... [2019-01-01 23:45:46,678 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@424604b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.01 11:45:46, skipping insertion in model container [2019-01-01 23:45:46,678 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 23:45:46,679 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 11:45:46" (3/3) ... [2019-01-01 23:45:46,680 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product10_true-unreach-call_false-termination.cil.c [2019-01-01 23:45:46,739 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-01 23:45:46,739 INFO L374 BuchiCegarLoop]: Interprodecural is true [2019-01-01 23:45:46,740 INFO L375 BuchiCegarLoop]: Hoare is false [2019-01-01 23:45:46,740 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-01-01 23:45:46,740 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-01 23:45:46,740 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-01 23:45:46,740 INFO L379 BuchiCegarLoop]: Difference is false [2019-01-01 23:45:46,740 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-01 23:45:46,741 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-01-01 23:45:46,758 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 54 states. [2019-01-01 23:45:46,785 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 33 [2019-01-01 23:45:46,785 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 23:45:46,786 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 23:45:46,796 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-01-01 23:45:46,796 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 23:45:46,796 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2019-01-01 23:45:46,796 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 54 states. [2019-01-01 23:45:46,802 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 33 [2019-01-01 23:45:46,802 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 23:45:46,802 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 23:45:46,805 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-01-01 23:45:46,805 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 23:45:46,812 INFO L794 eck$LassoCheckResult]: Stem: 32#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~head~0.base, ~head~0.offset := 0, 0;call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(30);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(9);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(21);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(30);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(9);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(21);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(30);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(9);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(25);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(30);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(9);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(13);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string43.base, #t~string43.offset, 1);call write~init~int(110, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 2 + #t~string43.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string45.base, #t~string45.offset, 1);call write~init~int(102, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(102, #t~string45.base, 2 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 3 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string47.base, #t~string47.offset, 1);call write~init~int(80, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(117, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(109, #t~string47.base, 3 + #t~string47.offset, 1);call write~init~int(112, #t~string47.base, 4 + #t~string47.offset, 1);call write~init~int(58, #t~string47.base, 5 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 6 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string49.base, #t~string49.offset, 1);call write~init~int(110, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 2 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(102, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(102, #t~string51.base, 2 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 3 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string53.base, #t~string53.offset, 1);call write~init~int(32, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 2 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string55.base, #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 1 + #t~string55.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(13);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string63.base, #t~string63.offset, 1);call write~init~int(77, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(101, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(116, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(104, #t~string63.base, 4 + #t~string63.offset, 1);call write~init~int(58, #t~string63.base, 5 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 6 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string65.base, #t~string65.offset, 1);call write~init~int(82, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(73, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(84, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 4 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(75, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1); 14#L-1true havoc main_#res;havoc main_#t~ret37, main_~retValue_acc~3, main_~tmp~4;havoc main_~retValue_acc~3;havoc main_~tmp~4; 22#L856true havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; 41#L864true main_#t~ret37 := valid_product_#res;main_~tmp~4 := main_#t~ret37;havoc main_#t~ret37; 26#L534true assume 0 != main_~tmp~4; 55#L507true havoc test_#t~nondet56, test_#t~nondet57, test_#t~nondet58, test_#t~nondet59, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 9#L51-1true [2019-01-01 23:45:46,817 INFO L796 eck$LassoCheckResult]: Loop: 9#L51-1true assume !false; 20#L698true assume test_~splverifierCounter~0 < 4; 34#L699true test_~tmp~6 := test_#t~nondet56;havoc test_#t~nondet56; 36#L707true assume !(0 != test_~tmp~6); 38#L707-1true test_~tmp___0~1 := test_#t~nondet57;havoc test_#t~nondet57; 23#L717true assume !(0 != test_~tmp___0~1); 25#L717-1true test_~tmp___2~0 := test_#t~nondet58;havoc test_#t~nondet58; 7#L727true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 16#L735-2true assume !(0 != ~pumpRunning~0); 45#L561true assume 0 != ~systemActive~0; 37#L568true havoc __utac_acc__Specification4_spec__1_#t~ret0, __utac_acc__Specification4_spec__1_#t~ret1, __utac_acc__Specification4_spec__1_~tmp~0, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~0;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; 51#L829true __utac_acc__Specification4_spec__1_#t~ret0 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~0 := __utac_acc__Specification4_spec__1_#t~ret0;havoc __utac_acc__Specification4_spec__1_#t~ret0; 11#L51true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0); 9#L51-1true [2019-01-01 23:45:46,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:45:46,825 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-01-01 23:45:46,827 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:45:46,828 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:45:46,876 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:45:46,876 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:45:46,876 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:45:47,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:45:47,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:45:47,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:45:47,875 INFO L82 PathProgramCache]: Analyzing trace with hash -1681619226, now seen corresponding path program 1 times [2019-01-01 23:45:47,876 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:45:47,876 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:45:47,877 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:45:47,877 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:45:47,877 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:45:47,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:45:47,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:45:47,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:45:47,893 INFO L82 PathProgramCache]: Analyzing trace with hash 32659712, now seen corresponding path program 1 times [2019-01-01 23:45:47,893 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:45:47,893 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:45:47,894 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:45:47,895 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:45:47,895 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:45:48,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:45:48,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:45:48,780 WARN L181 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 32 [2019-01-01 23:46:20,830 WARN L181 SmtUtils]: Spent 31.95 s on a formula simplification. DAG size of input: 451 DAG size of output: 449 [2019-01-01 23:46:36,532 WARN L181 SmtUtils]: Spent 15.70 s on a formula simplification that was a NOOP. DAG size: 449 [2019-01-01 23:46:36,615 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.01 11:46:36 BoogieIcfgContainer [2019-01-01 23:46:36,615 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-01-01 23:46:36,615 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-01 23:46:36,616 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-01 23:46:36,616 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-01 23:46:36,616 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 11:45:46" (3/4) ... [2019-01-01 23:46:36,622 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2019-01-01 23:46:36,714 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-01 23:46:36,715 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-01 23:46:36,716 INFO L168 Benchmark]: Toolchain (without parser) took 51919.72 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 310.9 MB). Free memory was 951.4 MB in the beginning and 1.0 GB in the end (delta: -53.1 MB). Peak memory consumption was 257.8 MB. Max. memory is 11.5 GB. [2019-01-01 23:46:36,717 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. [2019-01-01 23:46:36,718 INFO L168 Benchmark]: CACSL2BoogieTranslator took 700.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -177.0 MB). Peak memory consumption was 37.0 MB. Max. memory is 11.5 GB. [2019-01-01 23:46:36,718 INFO L168 Benchmark]: Boogie Procedure Inliner took 72.58 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-01-01 23:46:36,720 INFO L168 Benchmark]: Boogie Preprocessor took 38.71 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 23:46:36,720 INFO L168 Benchmark]: RCFGBuilder took 1058.66 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: 45.6 MB). Peak memory consumption was 45.6 MB. Max. memory is 11.5 GB. [2019-01-01 23:46:36,721 INFO L168 Benchmark]: BuchiAutomizer took 49943.93 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 168.3 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 62.4 MB). Peak memory consumption was 409.3 MB. Max. memory is 11.5 GB. [2019-01-01 23:46:36,722 INFO L168 Benchmark]: Witness Printer took 99.60 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 11.5 GB. [2019-01-01 23:46:36,727 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 700.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -177.0 MB). Peak memory consumption was 37.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 72.58 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 38.71 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 1058.66 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: 45.6 MB). Peak memory consumption was 45.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 49943.93 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 168.3 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 62.4 MB). Peak memory consumption was 409.3 MB. Max. memory is 11.5 GB. * Witness Printer took 99.60 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one nonterminating module. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 49.8s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 49.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: No data available LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 697]: 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=-13, NULL=0, NULL=0, retValue_acc=0, NULL=0, NULL=0, NULL=0, NULL=-2, NULL=0, methaneLevelCritical=0, NULL=0, NULL=0, NULL=-21, NULL=-9, tmp=0, NULL=0, tmp___1=0, NULL=-22, NULL=-11, NULL=-20, tmp___0=0, cleanupTimeShifts=4, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4b4705b4=0, NULL=-17, NULL=-15, NULL=-14, NULL=-3, NULL=-18, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=-1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@334ed445=0, \result=1, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@233f1f59=0, NULL=0, NULL=-8, NULL=0, NULL=0, \result=1, head=0, pumpRunning=0, NULL=-16, \result=0, NULL=-23, tmp=1, NULL=0, NULL=0, NULL=0, NULL=-6, retValue_acc=1, NULL=-19, tmp=1, NULL=-10, retValue_acc=1, tmp___2=61, NULL=-7, tmp___0=0, splverifierCounter=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@38fd3567=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@34dcc629=61, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@15b2758c=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@160e85e1=0, head=0, NULL=-4, NULL=0, NULL=0, NULL=-12, NULL=0, NULL=0, NULL=-24, NULL=-5, NULL=-25} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L238] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L444] int cleanupTimeShifts = 4; [L554] int pumpRunning = 0; [L555] int systemActive = 1; [L754] int waterLevel = 1; [L755] int methaneLevelCritical = 0; [L525] int retValue_acc ; [L526] int tmp ; [L860] int retValue_acc ; [L863] retValue_acc = 1 [L864] return (retValue_acc); [L532] tmp = valid_product() [L534] COND TRUE \read(tmp) [L688] int splverifierCounter ; [L689] int tmp ; [L690] int tmp___0 ; [L691] int tmp___1 ; [L692] int tmp___2 ; [L695] splverifierCounter = 0 Loop: [L697] COND TRUE 1 [L699] COND TRUE splverifierCounter < 4 [L705] tmp = __VERIFIER_nondet_int() [L707] COND FALSE !(\read(tmp)) [L715] tmp___0 = __VERIFIER_nondet_int() [L717] COND FALSE !(\read(tmp___0)) [L725] tmp___2 = __VERIFIER_nondet_int() [L727] COND TRUE \read(tmp___2) [L682] systemActive = 1 [L561] COND FALSE !(\read(pumpRunning)) [L568] COND TRUE \read(systemActive) [L44] int tmp ; [L45] int tmp___0 ; [L825] int retValue_acc ; [L828] retValue_acc = waterLevel [L829] return (retValue_acc); [L49] tmp = getWaterLevel() [L51] COND FALSE !(tmp == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...