./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec2_product49_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0ed9222f Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i /storage/repos/svcomp/c/product-lines/minepump_spec2_product49_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 4b859e272d72137c2ddb07ede97bfa3dea2dc5e9 ......................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.24-0ed9222-m [2019-01-14 04:20:26,744 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-14 04:20:26,745 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-14 04:20:26,757 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-14 04:20:26,757 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-14 04:20:26,758 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-14 04:20:26,760 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-14 04:20:26,761 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-14 04:20:26,763 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-14 04:20:26,764 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-14 04:20:26,765 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-14 04:20:26,765 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-14 04:20:26,766 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-14 04:20:26,767 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-14 04:20:26,768 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-14 04:20:26,768 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-14 04:20:26,769 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-14 04:20:26,771 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-14 04:20:26,773 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-14 04:20:26,775 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-14 04:20:26,776 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-14 04:20:26,777 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-14 04:20:26,780 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-14 04:20:26,780 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-14 04:20:26,780 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-14 04:20:26,781 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-14 04:20:26,782 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-14 04:20:26,787 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-14 04:20:26,788 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-14 04:20:26,789 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-14 04:20:26,789 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-14 04:20:26,791 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-14 04:20:26,794 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-14 04:20:26,794 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-14 04:20:26,795 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-14 04:20:26,798 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-14 04:20:26,800 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-01-14 04:20:26,832 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-14 04:20:26,832 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-14 04:20:26,833 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-14 04:20:26,833 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-14 04:20:26,833 INFO L133 SettingsManager]: * Use SBE=true [2019-01-14 04:20:26,837 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-01-14 04:20:26,838 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-01-14 04:20:26,838 INFO L133 SettingsManager]: * Use old map elimination=false [2019-01-14 04:20:26,838 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2019-01-14 04:20:26,838 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2019-01-14 04:20:26,838 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-01-14 04:20:26,839 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-14 04:20:26,839 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-14 04:20:26,839 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-14 04:20:26,839 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-14 04:20:26,839 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-14 04:20:26,840 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-14 04:20:26,842 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-01-14 04:20:26,842 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-01-14 04:20:26,842 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-01-14 04:20:26,842 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-14 04:20:26,843 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-14 04:20:26,843 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-01-14 04:20:26,843 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-14 04:20:26,843 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-01-14 04:20:26,843 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-14 04:20:26,844 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-14 04:20:26,844 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-01-14 04:20:26,844 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-14 04:20:26,844 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-14 04:20:26,844 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-01-14 04:20:26,848 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-01-14 04:20:26,849 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 -> 4b859e272d72137c2ddb07ede97bfa3dea2dc5e9 [2019-01-14 04:20:26,906 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-14 04:20:26,922 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-14 04:20:26,925 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-14 04:20:26,927 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-14 04:20:26,927 INFO L276 PluginConnector]: CDTParser initialized [2019-01-14 04:20:26,928 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec2_product49_true-unreach-call_false-termination.cil.c [2019-01-14 04:20:26,981 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ca8be4a6/447a1ad554c043b0baded84ca5e73229/FLAG7f0175a21 [2019-01-14 04:20:27,532 INFO L307 CDTParser]: Found 1 translation units. [2019-01-14 04:20:27,532 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec2_product49_true-unreach-call_false-termination.cil.c [2019-01-14 04:20:27,548 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ca8be4a6/447a1ad554c043b0baded84ca5e73229/FLAG7f0175a21 [2019-01-14 04:20:27,769 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ca8be4a6/447a1ad554c043b0baded84ca5e73229 [2019-01-14 04:20:27,773 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-14 04:20:27,774 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-14 04:20:27,775 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-14 04:20:27,775 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-14 04:20:27,779 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-14 04:20:27,780 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 04:20:27" (1/1) ... [2019-01-14 04:20:27,783 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ebf076e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:20:27, skipping insertion in model container [2019-01-14 04:20:27,783 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 04:20:27" (1/1) ... [2019-01-14 04:20:27,792 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-14 04:20:27,849 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-14 04:20:28,204 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 04:20:28,221 INFO L191 MainTranslator]: Completed pre-run [2019-01-14 04:20:28,395 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 04:20:28,431 INFO L195 MainTranslator]: Completed translation [2019-01-14 04:20:28,432 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:20:28 WrapperNode [2019-01-14 04:20:28,432 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-14 04:20:28,433 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-14 04:20:28,434 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-14 04:20:28,434 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-14 04:20:28,444 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:20:28" (1/1) ... [2019-01-14 04:20:28,471 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:20:28" (1/1) ... [2019-01-14 04:20:28,514 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-14 04:20:28,514 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-14 04:20:28,515 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-14 04:20:28,515 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-14 04:20:28,525 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:20:28" (1/1) ... [2019-01-14 04:20:28,525 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:20:28" (1/1) ... [2019-01-14 04:20:28,530 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:20:28" (1/1) ... [2019-01-14 04:20:28,530 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:20:28" (1/1) ... [2019-01-14 04:20:28,543 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:20:28" (1/1) ... [2019-01-14 04:20:28,558 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:20:28" (1/1) ... [2019-01-14 04:20:28,571 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:20:28" (1/1) ... [2019-01-14 04:20:28,578 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-14 04:20:28,581 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-14 04:20:28,581 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-14 04:20:28,581 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-14 04:20:28,583 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:20:28" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 04:20:28,646 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-14 04:20:28,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-01-14 04:20:28,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-14 04:20:28,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-14 04:20:29,935 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-14 04:20:29,936 INFO L286 CfgBuilder]: Removed 158 assue(true) statements. [2019-01-14 04:20:29,938 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 04:20:29 BoogieIcfgContainer [2019-01-14 04:20:29,938 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-14 04:20:29,939 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-01-14 04:20:29,939 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-01-14 04:20:29,942 INFO L276 PluginConnector]: BuchiAutomizer initialized [2019-01-14 04:20:29,943 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 04:20:29,943 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 14.01 04:20:27" (1/3) ... [2019-01-14 04:20:29,944 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@33dda0a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.01 04:20:29, skipping insertion in model container [2019-01-14 04:20:29,945 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 04:20:29,945 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:20:28" (2/3) ... [2019-01-14 04:20:29,945 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@33dda0a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.01 04:20:29, skipping insertion in model container [2019-01-14 04:20:29,945 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 04:20:29,946 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 04:20:29" (3/3) ... [2019-01-14 04:20:29,948 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product49_true-unreach-call_false-termination.cil.c [2019-01-14 04:20:30,004 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-14 04:20:30,004 INFO L374 BuchiCegarLoop]: Interprodecural is true [2019-01-14 04:20:30,004 INFO L375 BuchiCegarLoop]: Hoare is false [2019-01-14 04:20:30,005 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-01-14 04:20:30,005 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-14 04:20:30,005 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-14 04:20:30,005 INFO L379 BuchiCegarLoop]: Difference is false [2019-01-14 04:20:30,005 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-14 04:20:30,005 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-01-14 04:20:30,025 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 118 states. [2019-01-14 04:20:30,053 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 75 [2019-01-14 04:20:30,053 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 04:20:30,053 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 04:20:30,062 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:20:30,062 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:20:30,062 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2019-01-14 04:20:30,062 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 118 states. [2019-01-14 04:20:30,069 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 75 [2019-01-14 04:20:30,070 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 04:20:30,070 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 04:20:30,071 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:20:30,071 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:20:30,076 INFO L794 eck$LassoCheckResult]: Stem: 85#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string2.base, #t~string2.offset := #Ultimate.allocOnStack(13);call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(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.allocOnStack(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.allocOnStack(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.allocOnStack(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);~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(13);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string23.base, #t~string23.offset, 1);call write~init~int(110, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 2 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string25.base, #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 2 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 3 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string27.base, #t~string27.offset, 1);call write~init~int(80, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(117, #t~string27.base, 2 + #t~string27.offset, 1);call write~init~int(109, #t~string27.base, 3 + #t~string27.offset, 1);call write~init~int(112, #t~string27.base, 4 + #t~string27.offset, 1);call write~init~int(58, #t~string27.base, 5 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 6 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string29.base, #t~string29.offset, 1);call write~init~int(110, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 2 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string31.base, #t~string31.offset, 1);call write~init~int(102, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(102, #t~string31.base, 2 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 3 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string33.base, #t~string33.offset, 1);call write~init~int(32, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 2 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string35.base, #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 1 + #t~string35.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(21);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(30);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(9);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(21);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(25);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(30);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(9);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(25); 13#L-1true havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; 118#L957true havoc valid_product_#res;havoc valid_product_~retValue_acc~13;havoc valid_product_~retValue_acc~13;valid_product_~retValue_acc~13 := 1;valid_product_#res := valid_product_~retValue_acc~13; 23#L965true main_#t~ret0 := valid_product_#res;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 89#L132true assume 0 != main_~tmp~0; 30#L103true ~methAndRunningLastTime~0 := 0; 7#L263true havoc test_#t~nondet13, test_#t~nondet14, test_#t~nondet15, test_#t~nondet16, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 6#L274-1true [2019-01-14 04:20:30,077 INFO L796 eck$LassoCheckResult]: Loop: 6#L274-1true assume !false; 15#L307true assume test_~splverifierCounter~0 < 4; 84#L308true test_~tmp~2 := test_#t~nondet13;havoc test_#t~nondet13; 99#L316true assume !(0 != test_~tmp~2); 101#L316-1true test_~tmp___0~1 := test_#t~nondet14;havoc test_#t~nondet14; 45#L326true assume !(0 != test_~tmp___0~1); 48#L326-1true test_~tmp___2~0 := test_#t~nondet15;havoc test_#t~nondet15; 76#L336true assume 0 != test_~tmp___2~0; 51#L342-2true assume !(0 != ~pumpRunning~0); 43#L370true assume !(0 != ~systemActive~0); 79#L377true havoc __utac_acc__Specification2_spec__2_#t~ret11, __utac_acc__Specification2_spec__2_#t~ret12, __utac_acc__Specification2_spec__2_~tmp~1, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~1;havoc isMethaneLevelCritical_~retValue_acc~1;isMethaneLevelCritical_~retValue_acc~1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~1; 103#L195true __utac_acc__Specification2_spec__2_#t~ret11 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~1 := __utac_acc__Specification2_spec__2_#t~ret11;havoc __utac_acc__Specification2_spec__2_#t~ret11; 9#L274true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1);~methAndRunningLastTime~0 := 0; 6#L274-1true [2019-01-14 04:20:30,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:20:30,085 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2019-01-14 04:20:30,087 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:20:30,088 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:20:30,132 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:20:30,132 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:20:30,132 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:20:30,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:20:30,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:20:30,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:20:30,914 INFO L82 PathProgramCache]: Analyzing trace with hash 4507850, now seen corresponding path program 1 times [2019-01-14 04:20:30,915 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:20:30,915 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:20:30,916 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:20:30,916 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:20:30,916 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:20:30,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:20:30,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:20:30,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:20:30,933 INFO L82 PathProgramCache]: Analyzing trace with hash 837804356, now seen corresponding path program 1 times [2019-01-14 04:20:30,933 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:20:30,933 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:20:30,934 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:20:30,934 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:20:30,935 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:20:30,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 04:20:31,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 04:20:31,320 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 04:20:31,321 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-14 04:20:31,505 WARN L181 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2019-01-14 04:20:31,625 WARN L181 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2019-01-14 04:20:31,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-14 04:20:31,655 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-01-14 04:20:31,658 INFO L87 Difference]: Start difference. First operand 118 states. Second operand 6 states. [2019-01-14 04:20:31,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 04:20:31,835 INFO L93 Difference]: Finished difference Result 118 states and 170 transitions. [2019-01-14 04:20:31,837 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-14 04:20:31,839 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 118 states and 170 transitions. [2019-01-14 04:20:31,845 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 73 [2019-01-14 04:20:31,852 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 118 states to 111 states and 163 transitions. [2019-01-14 04:20:31,853 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 111 [2019-01-14 04:20:31,855 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 111 [2019-01-14 04:20:31,855 INFO L73 IsDeterministic]: Start isDeterministic. Operand 111 states and 163 transitions. [2019-01-14 04:20:31,856 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-01-14 04:20:31,857 INFO L706 BuchiCegarLoop]: Abstraction has 111 states and 163 transitions. [2019-01-14 04:20:31,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states and 163 transitions. [2019-01-14 04:20:31,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2019-01-14 04:20:31,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2019-01-14 04:20:31,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 163 transitions. [2019-01-14 04:20:31,892 INFO L729 BuchiCegarLoop]: Abstraction has 111 states and 163 transitions. [2019-01-14 04:20:31,892 INFO L609 BuchiCegarLoop]: Abstraction has 111 states and 163 transitions. [2019-01-14 04:20:31,892 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2019-01-14 04:20:31,893 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 111 states and 163 transitions. [2019-01-14 04:20:31,895 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 73 [2019-01-14 04:20:31,895 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 04:20:31,896 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 04:20:31,896 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:20:31,896 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:20:31,897 INFO L794 eck$LassoCheckResult]: Stem: 355#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string2.base, #t~string2.offset := #Ultimate.allocOnStack(13);call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(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.allocOnStack(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.allocOnStack(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.allocOnStack(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);~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(13);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string23.base, #t~string23.offset, 1);call write~init~int(110, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 2 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string25.base, #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 2 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 3 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string27.base, #t~string27.offset, 1);call write~init~int(80, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(117, #t~string27.base, 2 + #t~string27.offset, 1);call write~init~int(109, #t~string27.base, 3 + #t~string27.offset, 1);call write~init~int(112, #t~string27.base, 4 + #t~string27.offset, 1);call write~init~int(58, #t~string27.base, 5 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 6 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string29.base, #t~string29.offset, 1);call write~init~int(110, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 2 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string31.base, #t~string31.offset, 1);call write~init~int(102, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(102, #t~string31.base, 2 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 3 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string33.base, #t~string33.offset, 1);call write~init~int(32, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 2 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string35.base, #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 1 + #t~string35.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(21);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(30);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(9);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(21);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(25);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(30);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(9);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(25); 272#L-1 havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; 273#L957 havoc valid_product_#res;havoc valid_product_~retValue_acc~13;havoc valid_product_~retValue_acc~13;valid_product_~retValue_acc~13 := 1;valid_product_#res := valid_product_~retValue_acc~13; 288#L965 main_#t~ret0 := valid_product_#res;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 289#L132 assume 0 != main_~tmp~0; 300#L103 ~methAndRunningLastTime~0 := 0; 262#L263 havoc test_#t~nondet13, test_#t~nondet14, test_#t~nondet15, test_#t~nondet16, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 260#L274-1 [2019-01-14 04:20:31,897 INFO L796 eck$LassoCheckResult]: Loop: 260#L274-1 assume !false; 261#L307 assume test_~splverifierCounter~0 < 4; 276#L308 test_~tmp~2 := test_#t~nondet13;havoc test_#t~nondet13; 354#L316 assume !(0 != test_~tmp~2); 360#L316-1 test_~tmp___0~1 := test_#t~nondet14;havoc test_#t~nondet14; 324#L326 assume !(0 != test_~tmp___0~1); 326#L326-1 test_~tmp___2~0 := test_#t~nondet15;havoc test_#t~nondet15; 329#L336 assume 0 != test_~tmp___2~0; 331#L342-2 assume !(0 != ~pumpRunning~0); 315#L370 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret18, processEnvironment_~tmp~4;havoc processEnvironment_~tmp~4; 301#L428 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret17, processEnvironment__wrappee__highWaterSensor_~tmp~3;havoc processEnvironment__wrappee__highWaterSensor_~tmp~3; 303#L402-1 assume !(0 == ~pumpRunning~0); 307#L377 havoc __utac_acc__Specification2_spec__2_#t~ret11, __utac_acc__Specification2_spec__2_#t~ret12, __utac_acc__Specification2_spec__2_~tmp~1, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~1;havoc isMethaneLevelCritical_~retValue_acc~1;isMethaneLevelCritical_~retValue_acc~1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~1; 350#L195 __utac_acc__Specification2_spec__2_#t~ret11 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~1 := __utac_acc__Specification2_spec__2_#t~ret11;havoc __utac_acc__Specification2_spec__2_#t~ret11; 265#L274 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1);~methAndRunningLastTime~0 := 0; 260#L274-1 [2019-01-14 04:20:31,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:20:31,898 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2019-01-14 04:20:31,898 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:20:31,898 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:20:31,899 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:20:31,899 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:20:31,899 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:20:32,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:20:32,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:20:32,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:20:32,249 INFO L82 PathProgramCache]: Analyzing trace with hash 1691352360, now seen corresponding path program 1 times [2019-01-14 04:20:32,249 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:20:32,250 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:20:32,250 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:20:32,251 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-14 04:20:32,251 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:20:32,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 04:20:32,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 04:20:32,309 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 04:20:32,309 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-14 04:20:32,309 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-01-14 04:20:32,309 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-14 04:20:32,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-14 04:20:32,310 INFO L87 Difference]: Start difference. First operand 111 states and 163 transitions. cyclomatic complexity: 54 Second operand 3 states. [2019-01-14 04:20:32,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 04:20:32,696 INFO L93 Difference]: Finished difference Result 155 states and 217 transitions. [2019-01-14 04:20:32,696 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-14 04:20:32,697 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 155 states and 217 transitions. [2019-01-14 04:20:32,701 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 106 [2019-01-14 04:20:32,703 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 155 states to 155 states and 217 transitions. [2019-01-14 04:20:32,703 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 155 [2019-01-14 04:20:32,704 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 155 [2019-01-14 04:20:32,704 INFO L73 IsDeterministic]: Start isDeterministic. Operand 155 states and 217 transitions. [2019-01-14 04:20:32,705 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-01-14 04:20:32,705 INFO L706 BuchiCegarLoop]: Abstraction has 155 states and 217 transitions. [2019-01-14 04:20:32,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states and 217 transitions. [2019-01-14 04:20:32,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2019-01-14 04:20:32,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2019-01-14 04:20:32,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 217 transitions. [2019-01-14 04:20:32,716 INFO L729 BuchiCegarLoop]: Abstraction has 155 states and 217 transitions. [2019-01-14 04:20:32,716 INFO L609 BuchiCegarLoop]: Abstraction has 155 states and 217 transitions. [2019-01-14 04:20:32,716 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2019-01-14 04:20:32,717 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 155 states and 217 transitions. [2019-01-14 04:20:32,719 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 106 [2019-01-14 04:20:32,719 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 04:20:32,719 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 04:20:32,720 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:20:32,720 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:20:32,720 INFO L794 eck$LassoCheckResult]: Stem: 630#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string2.base, #t~string2.offset := #Ultimate.allocOnStack(13);call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(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.allocOnStack(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.allocOnStack(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.allocOnStack(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);~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(13);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string23.base, #t~string23.offset, 1);call write~init~int(110, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 2 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string25.base, #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 2 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 3 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string27.base, #t~string27.offset, 1);call write~init~int(80, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(117, #t~string27.base, 2 + #t~string27.offset, 1);call write~init~int(109, #t~string27.base, 3 + #t~string27.offset, 1);call write~init~int(112, #t~string27.base, 4 + #t~string27.offset, 1);call write~init~int(58, #t~string27.base, 5 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 6 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string29.base, #t~string29.offset, 1);call write~init~int(110, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 2 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string31.base, #t~string31.offset, 1);call write~init~int(102, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(102, #t~string31.base, 2 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 3 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string33.base, #t~string33.offset, 1);call write~init~int(32, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 2 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string35.base, #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 1 + #t~string35.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(21);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(30);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(9);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(21);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(25);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(30);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(9);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(25); 547#L-1 havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; 548#L957 havoc valid_product_#res;havoc valid_product_~retValue_acc~13;havoc valid_product_~retValue_acc~13;valid_product_~retValue_acc~13 := 1;valid_product_#res := valid_product_~retValue_acc~13; 562#L965 main_#t~ret0 := valid_product_#res;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 563#L132 assume 0 != main_~tmp~0; 574#L103 ~methAndRunningLastTime~0 := 0; 536#L263 havoc test_#t~nondet13, test_#t~nondet14, test_#t~nondet15, test_#t~nondet16, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 532#L274-1 [2019-01-14 04:20:32,721 INFO L796 eck$LassoCheckResult]: Loop: 532#L274-1 assume !false; 533#L307 assume test_~splverifierCounter~0 < 4; 549#L308 test_~tmp~2 := test_#t~nondet13;havoc test_#t~nondet13; 629#L316 assume !(0 != test_~tmp~2); 636#L316-1 test_~tmp___0~1 := test_#t~nondet14;havoc test_#t~nondet14; 598#L326 assume !(0 != test_~tmp___0~1); 600#L326-1 test_~tmp___2~0 := test_#t~nondet15;havoc test_#t~nondet15; 603#L336 assume 0 != test_~tmp___2~0; 606#L342-2 assume !(0 != ~pumpRunning~0); 595#L370 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret18, processEnvironment_~tmp~4;havoc processEnvironment_~tmp~4; 575#L428 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret17, processEnvironment__wrappee__highWaterSensor_~tmp~3;havoc processEnvironment__wrappee__highWaterSensor_~tmp~3; 576#L402-1 assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret36, isHighWaterLevel_~retValue_acc~7, isHighWaterLevel_~tmp~5, isHighWaterLevel_~tmp___0~2;havoc isHighWaterLevel_~retValue_acc~7;havoc isHighWaterLevel_~tmp~5;havoc isHighWaterLevel_~tmp___0~2;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~3;havoc isHighWaterSensorDry_~retValue_acc~3; 607#L235-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~3 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~3; 608#L240-1 isHighWaterLevel_#t~ret36 := isHighWaterSensorDry_#res;isHighWaterLevel_~tmp~5 := isHighWaterLevel_#t~ret36;havoc isHighWaterLevel_#t~ret36; 566#L530-3 assume 0 != isHighWaterLevel_~tmp~5;isHighWaterLevel_~tmp___0~2 := 0; 530#L530-5 isHighWaterLevel_~retValue_acc~7 := isHighWaterLevel_~tmp___0~2;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~7; 531#L536-1 processEnvironment__wrappee__highWaterSensor_#t~ret17 := isHighWaterLevel_#res;processEnvironment__wrappee__highWaterSensor_~tmp~3 := processEnvironment__wrappee__highWaterSensor_#t~ret17;havoc processEnvironment__wrappee__highWaterSensor_#t~ret17; 587#L406-1 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~3); 581#L377 havoc __utac_acc__Specification2_spec__2_#t~ret11, __utac_acc__Specification2_spec__2_#t~ret12, __utac_acc__Specification2_spec__2_~tmp~1, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~1;havoc isMethaneLevelCritical_~retValue_acc~1;isMethaneLevelCritical_~retValue_acc~1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~1; 625#L195 __utac_acc__Specification2_spec__2_#t~ret11 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~1 := __utac_acc__Specification2_spec__2_#t~ret11;havoc __utac_acc__Specification2_spec__2_#t~ret11; 537#L274 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1);~methAndRunningLastTime~0 := 0; 532#L274-1 [2019-01-14 04:20:32,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:20:32,721 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 3 times [2019-01-14 04:20:32,721 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:20:32,722 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:20:32,722 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:20:32,723 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:20:32,723 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:20:32,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:20:32,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:20:33,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:20:33,015 INFO L82 PathProgramCache]: Analyzing trace with hash -1940252844, now seen corresponding path program 1 times [2019-01-14 04:20:33,015 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:20:33,015 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:20:33,016 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:20:33,016 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-14 04:20:33,016 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:20:33,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:20:33,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:20:33,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:20:33,027 INFO L82 PathProgramCache]: Analyzing trace with hash -167111218, now seen corresponding path program 1 times [2019-01-14 04:20:33,027 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:20:33,028 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:20:33,028 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:20:33,028 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:20:33,029 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:20:33,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:20:33,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:20:34,278 WARN L181 SmtUtils]: Spent 998.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 51 [2019-01-14 04:20:34,388 WARN L181 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2019-01-14 04:20:54,835 WARN L181 SmtUtils]: Spent 20.42 s on a formula simplification. DAG size of input: 455 DAG size of output: 453 [2019-01-14 04:21:07,685 WARN L181 SmtUtils]: Spent 12.83 s on a formula simplification that was a NOOP. DAG size: 451 [2019-01-14 04:21:07,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 14.01 04:21:07 BoogieIcfgContainer [2019-01-14 04:21:07,770 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-01-14 04:21:07,771 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-14 04:21:07,771 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-14 04:21:07,771 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-14 04:21:07,772 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 04:20:29" (3/4) ... [2019-01-14 04:21:07,777 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2019-01-14 04:21:07,881 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-14 04:21:07,881 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-14 04:21:07,882 INFO L168 Benchmark]: Toolchain (without parser) took 40108.65 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 320.9 MB). Free memory was 948.7 MB in the beginning and 868.6 MB in the end (delta: 80.1 MB). Peak memory consumption was 400.9 MB. Max. memory is 11.5 GB. [2019-01-14 04:21:07,883 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 04:21:07,883 INFO L168 Benchmark]: CACSL2BoogieTranslator took 657.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 948.7 MB in the beginning and 1.1 GB in the end (delta: -171.9 MB). Peak memory consumption was 32.1 MB. Max. memory is 11.5 GB. [2019-01-14 04:21:07,886 INFO L168 Benchmark]: Boogie Procedure Inliner took 80.87 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 04:21:07,887 INFO L168 Benchmark]: Boogie Preprocessor took 66.21 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. [2019-01-14 04:21:07,887 INFO L168 Benchmark]: RCFGBuilder took 1357.08 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: 58.0 MB). Peak memory consumption was 58.0 MB. Max. memory is 11.5 GB. [2019-01-14 04:21:07,888 INFO L168 Benchmark]: BuchiAutomizer took 37831.54 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 179.8 MB). Free memory was 1.1 GB in the beginning and 868.6 MB in the end (delta: 187.3 MB). Peak memory consumption was 403.1 MB. Max. memory is 11.5 GB. [2019-01-14 04:21:07,888 INFO L168 Benchmark]: Witness Printer took 110.10 ms. Allocated memory is still 1.4 GB. Free memory is still 868.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 04:21:07,896 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 657.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 948.7 MB in the beginning and 1.1 GB in the end (delta: -171.9 MB). Peak memory consumption was 32.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 80.87 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. * Boogie Preprocessor took 66.21 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. * RCFGBuilder took 1357.08 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: 58.0 MB). Peak memory consumption was 58.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 37831.54 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 179.8 MB). Free memory was 1.1 GB in the beginning and 868.6 MB in the end (delta: 187.3 MB). Peak memory consumption was 403.1 MB. Max. memory is 11.5 GB. * Witness Printer took 110.10 ms. Allocated memory is still 1.4 GB. Free memory is still 868.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 155 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 37.7s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 36.9s. Construction of modules took 0.4s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 155 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 321 SDtfs, 613 SDslu, 74 SDs, 0 SdLazy, 38 SolverSat, 24 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time LassoAnalysisResults: nont1 unkn0 SFLI1 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: 306]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=13054} State at position 1 is {retValue_acc=0, NULL=0, NULL=-3, retValue_acc=0, NULL=13054, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@76631d3d=0, retValue_acc=1, NULL=-17, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4d205fb8=0, NULL=-2, tmp___0=0, tmp=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1433a049=0, NULL=0, NULL=0, NULL=-5, NULL=0, NULL=13053, NULL=0, NULL=-12, retValue_acc=0, tmp___1=0, NULL=-1, NULL=-9, NULL=0, NULL=0, NULL=0, NULL=0, tmp=0, cleanupTimeShifts=4, NULL=-7, NULL=-13, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=6492, NULL=-8, \result=0, NULL=0, NULL=-16, NULL=0, NULL=0, NULL=0, NULL=-6, \result=1, head=0, pumpRunning=0, tmp=1, NULL=-19, \result=0, NULL=-10, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7ed433e3=0, NULL=-14, NULL=0, NULL=0, NULL=0, NULL=-20, \result=1, tmp___0=0, NULL=-21, NULL=-22, tmp___2=52, tmp=1, tmp___0=0, splverifierCounter=0, NULL=0, methAndRunningLastTime=0, \result=0, NULL=-4, NULL=6493, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@38a2b672=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@59dd8b2e=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@29403ff5=52, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@66de061c=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@134686cc=0, NULL=-18, head=0, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@930ad4=0, NULL=-11, NULL=0, tmp=0, NULL=-15} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L40] int cleanupTimeShifts = 4; [L152] int waterLevel = 1; [L153] int methaneLevelCritical = 0; [L257] int methAndRunningLastTime ; [L363] int pumpRunning = 0; [L364] int systemActive = 1; [L729] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L123] int retValue_acc ; [L124] int tmp ; [L961] int retValue_acc ; [L964] retValue_acc = 1 [L965] return (retValue_acc); [L130] tmp = valid_product() [L132] COND TRUE \read(tmp) [L262] methAndRunningLastTime = 0 [L297] int splverifierCounter ; [L298] int tmp ; [L299] int tmp___0 ; [L300] int tmp___1 ; [L301] int tmp___2 ; [L304] splverifierCounter = 0 Loop: [L306] COND TRUE 1 [L308] COND TRUE splverifierCounter < 4 [L314] tmp = __VERIFIER_nondet_int() [L316] COND FALSE !(\read(tmp)) [L324] tmp___0 = __VERIFIER_nondet_int() [L326] COND FALSE !(\read(tmp___0)) [L334] tmp___2 = __VERIFIER_nondet_int() [L336] COND TRUE \read(tmp___2) [L370] COND FALSE !(\read(pumpRunning)) [L377] COND TRUE \read(systemActive) [L425] int tmp ; [L428] COND FALSE !(\read(pumpRunning)) [L399] int tmp ; [L402] COND TRUE ! pumpRunning [L522] int retValue_acc ; [L523] int tmp ; [L524] int tmp___0 ; [L232] int retValue_acc ; [L235] COND TRUE waterLevel < 2 [L236] retValue_acc = 1 [L237] return (retValue_acc); [L528] tmp = isHighWaterSensorDry() [L530] COND TRUE \read(tmp) [L531] tmp___0 = 0 [L535] retValue_acc = tmp___0 [L536] return (retValue_acc); [L404] tmp = isHighWaterLevel() [L406] COND FALSE !(\read(tmp)) [L267] int tmp ; [L268] int tmp___0 ; [L191] int retValue_acc ; [L194] retValue_acc = methaneLevelCritical [L195] return (retValue_acc); [L272] tmp = isMethaneLevelCritical() [L274] COND FALSE !(\read(tmp)) [L290] methAndRunningLastTime = 0 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...