./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec4_product54_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_spec4_product54_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 2d2a2b756a74af71e6c6aa0a16e78dafb1256d78 ............................................................................................................................................................................................................................................................................................................................................................................................................................... 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 04:28:07,977 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-14 04:28:07,979 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-14 04:28:07,996 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-14 04:28:07,997 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-14 04:28:07,999 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-14 04:28:08,000 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-14 04:28:08,003 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-14 04:28:08,005 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-14 04:28:08,009 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-14 04:28:08,012 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-14 04:28:08,013 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-14 04:28:08,015 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-14 04:28:08,015 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-14 04:28:08,019 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-14 04:28:08,020 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-14 04:28:08,021 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-14 04:28:08,025 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-14 04:28:08,035 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-14 04:28:08,039 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-14 04:28:08,040 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-14 04:28:08,043 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-14 04:28:08,046 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-14 04:28:08,046 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-14 04:28:08,046 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-14 04:28:08,049 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-14 04:28:08,052 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-14 04:28:08,053 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-14 04:28:08,054 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-14 04:28:08,055 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-14 04:28:08,057 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-14 04:28:08,058 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-14 04:28:08,059 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-14 04:28:08,059 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-14 04:28:08,060 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-14 04:28:08,061 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-14 04:28:08,061 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-01-14 04:28:08,093 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-14 04:28:08,094 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-14 04:28:08,095 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-14 04:28:08,097 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-14 04:28:08,097 INFO L133 SettingsManager]: * Use SBE=true [2019-01-14 04:28:08,098 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-01-14 04:28:08,098 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-01-14 04:28:08,099 INFO L133 SettingsManager]: * Use old map elimination=false [2019-01-14 04:28:08,099 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2019-01-14 04:28:08,099 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2019-01-14 04:28:08,099 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-01-14 04:28:08,100 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-14 04:28:08,100 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-14 04:28:08,100 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-14 04:28:08,100 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-14 04:28:08,101 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-14 04:28:08,101 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-14 04:28:08,101 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-01-14 04:28:08,101 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-01-14 04:28:08,101 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-01-14 04:28:08,101 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-14 04:28:08,101 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-14 04:28:08,102 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-01-14 04:28:08,104 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-14 04:28:08,104 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-01-14 04:28:08,105 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-14 04:28:08,105 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-14 04:28:08,105 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-01-14 04:28:08,105 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-14 04:28:08,105 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-14 04:28:08,105 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-01-14 04:28:08,106 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-01-14 04:28:08,108 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 -> 2d2a2b756a74af71e6c6aa0a16e78dafb1256d78 [2019-01-14 04:28:08,146 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-14 04:28:08,158 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-14 04:28:08,165 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-14 04:28:08,167 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-14 04:28:08,167 INFO L276 PluginConnector]: CDTParser initialized [2019-01-14 04:28:08,168 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec4_product54_true-unreach-call_false-termination.cil.c [2019-01-14 04:28:08,229 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a1d5401b/ff44041cc0b24ad0ab1ce4be0431411c/FLAG65f18bcf4 [2019-01-14 04:28:08,733 INFO L307 CDTParser]: Found 1 translation units. [2019-01-14 04:28:08,733 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec4_product54_true-unreach-call_false-termination.cil.c [2019-01-14 04:28:08,748 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a1d5401b/ff44041cc0b24ad0ab1ce4be0431411c/FLAG65f18bcf4 [2019-01-14 04:28:09,061 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a1d5401b/ff44041cc0b24ad0ab1ce4be0431411c [2019-01-14 04:28:09,065 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-14 04:28:09,066 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-14 04:28:09,067 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-14 04:28:09,067 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-14 04:28:09,071 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-14 04:28:09,072 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 04:28:09" (1/1) ... [2019-01-14 04:28:09,075 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ce023f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:28:09, skipping insertion in model container [2019-01-14 04:28:09,075 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 04:28:09" (1/1) ... [2019-01-14 04:28:09,082 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-14 04:28:09,138 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-14 04:28:09,531 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 04:28:09,545 INFO L191 MainTranslator]: Completed pre-run [2019-01-14 04:28:09,688 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 04:28:09,733 INFO L195 MainTranslator]: Completed translation [2019-01-14 04:28:09,733 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:28:09 WrapperNode [2019-01-14 04:28:09,733 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-14 04:28:09,734 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-14 04:28:09,734 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-14 04:28:09,734 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-14 04:28:09,740 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:28:09" (1/1) ... [2019-01-14 04:28:09,762 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:28:09" (1/1) ... [2019-01-14 04:28:09,820 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-14 04:28:09,820 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-14 04:28:09,821 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-14 04:28:09,821 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-14 04:28:09,831 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:28:09" (1/1) ... [2019-01-14 04:28:09,832 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:28:09" (1/1) ... [2019-01-14 04:28:09,838 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:28:09" (1/1) ... [2019-01-14 04:28:09,839 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:28:09" (1/1) ... [2019-01-14 04:28:09,865 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:28:09" (1/1) ... [2019-01-14 04:28:09,893 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:28:09" (1/1) ... [2019-01-14 04:28:09,900 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:28:09" (1/1) ... [2019-01-14 04:28:09,914 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-14 04:28:09,914 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-14 04:28:09,914 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-14 04:28:09,915 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-14 04:28:09,915 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:28:09" (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 04:28:09,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-14 04:28:09,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-01-14 04:28:09,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-14 04:28:09,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-14 04:28:11,695 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-14 04:28:11,695 INFO L286 CfgBuilder]: Removed 278 assue(true) statements. [2019-01-14 04:28:11,696 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 04:28:11 BoogieIcfgContainer [2019-01-14 04:28:11,697 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-14 04:28:11,697 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-01-14 04:28:11,698 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-01-14 04:28:11,701 INFO L276 PluginConnector]: BuchiAutomizer initialized [2019-01-14 04:28:11,702 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 04:28:11,703 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 14.01 04:28:09" (1/3) ... [2019-01-14 04:28:11,704 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@364086ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.01 04:28:11, skipping insertion in model container [2019-01-14 04:28:11,704 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 04:28:11,704 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:28:09" (2/3) ... [2019-01-14 04:28:11,708 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@364086ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.01 04:28:11, skipping insertion in model container [2019-01-14 04:28:11,708 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 04:28:11,708 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 04:28:11" (3/3) ... [2019-01-14 04:28:11,711 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product54_true-unreach-call_false-termination.cil.c [2019-01-14 04:28:11,763 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-14 04:28:11,764 INFO L374 BuchiCegarLoop]: Interprodecural is true [2019-01-14 04:28:11,764 INFO L375 BuchiCegarLoop]: Hoare is false [2019-01-14 04:28:11,764 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-01-14 04:28:11,765 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-14 04:28:11,765 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-14 04:28:11,765 INFO L379 BuchiCegarLoop]: Difference is false [2019-01-14 04:28:11,765 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-14 04:28:11,765 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-01-14 04:28:11,787 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 186 states. [2019-01-14 04:28:11,821 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 121 [2019-01-14 04:28:11,821 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 04:28:11,821 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 04:28:11,832 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-01-14 04:28:11,832 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:28:11,832 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2019-01-14 04:28:11,833 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 186 states. [2019-01-14 04:28:11,846 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 121 [2019-01-14 04:28:11,847 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 04:28:11,848 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 04:28:11,849 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-01-14 04:28:11,849 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:28:11,854 INFO L794 eck$LassoCheckResult]: Stem: 133#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(13);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(110, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 2 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string13.base, #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 3 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string15.base, #t~string15.offset, 1);call write~init~int(80, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(117, #t~string15.base, 2 + #t~string15.offset, 1);call write~init~int(109, #t~string15.base, 3 + #t~string15.offset, 1);call write~init~int(112, #t~string15.base, 4 + #t~string15.offset, 1);call write~init~int(58, #t~string15.base, 5 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 6 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(110, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 3 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string21.base, #t~string21.offset, 1);call write~init~int(32, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 2 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string23.base, #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 1 + #t~string23.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(30);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(9);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(21);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(30);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(9);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(21);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(25);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(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(13);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string67.base, #t~string67.offset, 1);call write~init~int(77, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(101, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(116, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(104, #t~string67.base, 4 + #t~string67.offset, 1);call write~init~int(58, #t~string67.base, 5 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 6 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string69.base, #t~string69.offset, 1);call write~init~int(82, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(73, #t~string69.base, 2 + #t~string69.offset, 1);call write~init~int(84, #t~string69.base, 3 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 4 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string71.base, #t~string71.offset, 1);call write~init~int(75, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 2 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string73.base, #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 1 + #t~string73.offset, 1); 22#L-1true havoc main_#res;havoc main_#t~ret28, main_~retValue_acc~4, main_~tmp~7;havoc main_~retValue_acc~4;havoc main_~tmp~7; 117#L980true 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; 139#L988true main_#t~ret28 := valid_product_#res;main_~tmp~7 := main_#t~ret28;havoc main_#t~ret28; 99#L466true assume 0 != main_~tmp~7; 149#L440true havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 157#L363-1true [2019-01-14 04:28:11,854 INFO L796 eck$LassoCheckResult]: Loop: 157#L363-1true assume !false; 103#L56true assume test_~splverifierCounter~0 < 4; 187#L57true test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 33#L65true assume !(0 != test_~tmp~0); 27#L65-1true test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 111#L75true assume !(0 != test_~tmp___0~0); 110#L75-1true test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 160#L85true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 150#L93-2true assume !(0 != ~pumpRunning~0); 164#L129true assume !(0 != ~systemActive~0); 62#L136true havoc __utac_acc__Specification4_spec__1_#t~ret26, __utac_acc__Specification4_spec__1_#t~ret27, __utac_acc__Specification4_spec__1_~tmp~6, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~6;havoc __utac_acc__Specification4_spec__1_~tmp___0~3;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~9;havoc getWaterLevel_~retValue_acc~9;getWaterLevel_~retValue_acc~9 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~9; 4#L921true __utac_acc__Specification4_spec__1_#t~ret26 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~6 := __utac_acc__Specification4_spec__1_#t~ret26;havoc __utac_acc__Specification4_spec__1_#t~ret26; 155#L363true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~6); 157#L363-1true [2019-01-14 04:28:11,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:28:11,865 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-01-14 04:28:11,868 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:28:11,871 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:28:11,918 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:28:11,918 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:28:11,918 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:28:12,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:28:12,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:28:12,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:28:12,655 INFO L82 PathProgramCache]: Analyzing trace with hash -1675526973, now seen corresponding path program 1 times [2019-01-14 04:28:12,656 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:28:12,656 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:28:12,657 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:28:12,657 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:28:12,657 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:28:12,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 04:28:12,762 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 04:28:12,764 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 04:28:12,765 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-14 04:28:12,771 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-01-14 04:28:12,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-14 04:28:12,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-14 04:28:12,795 INFO L87 Difference]: Start difference. First operand 186 states. Second operand 3 states. [2019-01-14 04:28:12,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 04:28:12,925 INFO L93 Difference]: Finished difference Result 186 states and 275 transitions. [2019-01-14 04:28:12,926 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-14 04:28:12,929 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 186 states and 275 transitions. [2019-01-14 04:28:12,935 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 119 [2019-01-14 04:28:12,942 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 186 states to 179 states and 267 transitions. [2019-01-14 04:28:12,944 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 179 [2019-01-14 04:28:12,945 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 179 [2019-01-14 04:28:12,946 INFO L73 IsDeterministic]: Start isDeterministic. Operand 179 states and 267 transitions. [2019-01-14 04:28:12,948 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-01-14 04:28:12,948 INFO L706 BuchiCegarLoop]: Abstraction has 179 states and 267 transitions. [2019-01-14 04:28:12,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states and 267 transitions. [2019-01-14 04:28:12,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 179. [2019-01-14 04:28:12,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 179 states. [2019-01-14 04:28:13,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 267 transitions. [2019-01-14 04:28:13,005 INFO L729 BuchiCegarLoop]: Abstraction has 179 states and 267 transitions. [2019-01-14 04:28:13,006 INFO L609 BuchiCegarLoop]: Abstraction has 179 states and 267 transitions. [2019-01-14 04:28:13,006 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2019-01-14 04:28:13,006 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 179 states and 267 transitions. [2019-01-14 04:28:13,012 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 119 [2019-01-14 04:28:13,012 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 04:28:13,013 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 04:28:13,014 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-01-14 04:28:13,016 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:28:13,016 INFO L794 eck$LassoCheckResult]: Stem: 538#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(13);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(110, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 2 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string13.base, #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 3 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string15.base, #t~string15.offset, 1);call write~init~int(80, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(117, #t~string15.base, 2 + #t~string15.offset, 1);call write~init~int(109, #t~string15.base, 3 + #t~string15.offset, 1);call write~init~int(112, #t~string15.base, 4 + #t~string15.offset, 1);call write~init~int(58, #t~string15.base, 5 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 6 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(110, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 3 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string21.base, #t~string21.offset, 1);call write~init~int(32, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 2 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string23.base, #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 1 + #t~string23.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(30);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(9);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(21);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(30);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(9);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(21);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(25);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(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(13);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string67.base, #t~string67.offset, 1);call write~init~int(77, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(101, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(116, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(104, #t~string67.base, 4 + #t~string67.offset, 1);call write~init~int(58, #t~string67.base, 5 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 6 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string69.base, #t~string69.offset, 1);call write~init~int(82, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(73, #t~string69.base, 2 + #t~string69.offset, 1);call write~init~int(84, #t~string69.base, 3 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 4 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string71.base, #t~string71.offset, 1);call write~init~int(75, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 2 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string73.base, #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 1 + #t~string73.offset, 1); 422#L-1 havoc main_#res;havoc main_#t~ret28, main_~retValue_acc~4, main_~tmp~7;havoc main_~retValue_acc~4;havoc main_~tmp~7; 423#L980 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; 527#L988 main_#t~ret28 := valid_product_#res;main_~tmp~7 := main_#t~ret28;havoc main_#t~ret28; 512#L466 assume 0 != main_~tmp~7; 513#L440 havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 518#L363-1 [2019-01-14 04:28:13,017 INFO L796 eck$LassoCheckResult]: Loop: 518#L363-1 assume !false; 516#L56 assume test_~splverifierCounter~0 < 4; 517#L57 test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 443#L65 assume !(0 != test_~tmp~0); 432#L65-1 test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 433#L75 assume !(0 != test_~tmp___0~0); 520#L75-1 test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 521#L85 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 546#L93-2 assume !(0 != ~pumpRunning~0); 425#L129 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret6, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; 507#L213 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__lowWaterSensor_#t~ret5, processEnvironment__wrappee__lowWaterSensor_~tmp~2;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~2; 509#L187-1 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret4, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; 414#L161-3 assume !(0 == ~pumpRunning~0); 415#L136 havoc __utac_acc__Specification4_spec__1_#t~ret26, __utac_acc__Specification4_spec__1_#t~ret27, __utac_acc__Specification4_spec__1_~tmp~6, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~6;havoc __utac_acc__Specification4_spec__1_~tmp___0~3;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~9;havoc getWaterLevel_~retValue_acc~9;getWaterLevel_~retValue_acc~9 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~9; 381#L921 __utac_acc__Specification4_spec__1_#t~ret26 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~6 := __utac_acc__Specification4_spec__1_#t~ret26;havoc __utac_acc__Specification4_spec__1_#t~ret26; 382#L363 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~6); 518#L363-1 [2019-01-14 04:28:13,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:28:13,017 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2019-01-14 04:28:13,018 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:28:13,018 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:28:13,024 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:28:13,025 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:28:13,025 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:28:13,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:28:13,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:28:13,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:28:13,402 INFO L82 PathProgramCache]: Analyzing trace with hash -1905346314, now seen corresponding path program 1 times [2019-01-14 04:28:13,402 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:28:13,403 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:28:13,404 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:28:13,405 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-14 04:28:13,405 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:28:13,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 04:28:13,469 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 04:28:13,469 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 04:28:13,471 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-14 04:28:13,472 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-01-14 04:28:13,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-14 04:28:13,473 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-14 04:28:13,474 INFO L87 Difference]: Start difference. First operand 179 states and 267 transitions. cyclomatic complexity: 90 Second operand 3 states. [2019-01-14 04:28:14,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 04:28:14,388 INFO L93 Difference]: Finished difference Result 184 states and 255 transitions. [2019-01-14 04:28:14,389 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-14 04:28:14,390 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 184 states and 255 transitions. [2019-01-14 04:28:14,394 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 126 [2019-01-14 04:28:14,396 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 184 states to 184 states and 255 transitions. [2019-01-14 04:28:14,397 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 184 [2019-01-14 04:28:14,397 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 184 [2019-01-14 04:28:14,397 INFO L73 IsDeterministic]: Start isDeterministic. Operand 184 states and 255 transitions. [2019-01-14 04:28:14,399 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-01-14 04:28:14,399 INFO L706 BuchiCegarLoop]: Abstraction has 184 states and 255 transitions. [2019-01-14 04:28:14,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states and 255 transitions. [2019-01-14 04:28:14,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 184. [2019-01-14 04:28:14,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 184 states. [2019-01-14 04:28:14,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 255 transitions. [2019-01-14 04:28:14,409 INFO L729 BuchiCegarLoop]: Abstraction has 184 states and 255 transitions. [2019-01-14 04:28:14,410 INFO L609 BuchiCegarLoop]: Abstraction has 184 states and 255 transitions. [2019-01-14 04:28:14,410 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2019-01-14 04:28:14,410 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 184 states and 255 transitions. [2019-01-14 04:28:14,412 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 126 [2019-01-14 04:28:14,412 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 04:28:14,412 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 04:28:14,413 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-01-14 04:28:14,413 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, 1] [2019-01-14 04:28:14,413 INFO L794 eck$LassoCheckResult]: Stem: 878#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(13);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(110, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 2 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string13.base, #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 3 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string15.base, #t~string15.offset, 1);call write~init~int(80, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(117, #t~string15.base, 2 + #t~string15.offset, 1);call write~init~int(109, #t~string15.base, 3 + #t~string15.offset, 1);call write~init~int(112, #t~string15.base, 4 + #t~string15.offset, 1);call write~init~int(58, #t~string15.base, 5 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 6 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(110, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 3 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string21.base, #t~string21.offset, 1);call write~init~int(32, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 2 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string23.base, #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 1 + #t~string23.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(30);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(9);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(21);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(30);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(9);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(21);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(25);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(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(13);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string67.base, #t~string67.offset, 1);call write~init~int(77, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(101, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(116, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(104, #t~string67.base, 4 + #t~string67.offset, 1);call write~init~int(58, #t~string67.base, 5 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 6 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string69.base, #t~string69.offset, 1);call write~init~int(82, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(73, #t~string69.base, 2 + #t~string69.offset, 1);call write~init~int(84, #t~string69.base, 3 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 4 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string71.base, #t~string71.offset, 1);call write~init~int(75, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 2 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string73.base, #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 1 + #t~string73.offset, 1); 782#L-1 havoc main_#res;havoc main_#t~ret28, main_~retValue_acc~4, main_~tmp~7;havoc main_~retValue_acc~4;havoc main_~tmp~7; 783#L980 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; 868#L988 main_#t~ret28 := valid_product_#res;main_~tmp~7 := main_#t~ret28;havoc main_#t~ret28; 854#L466 assume 0 != main_~tmp~7; 855#L440 havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 860#L363-1 [2019-01-14 04:28:14,413 INFO L796 eck$LassoCheckResult]: Loop: 860#L363-1 assume !false; 858#L56 assume test_~splverifierCounter~0 < 4; 859#L57 test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 795#L65 assume !(0 != test_~tmp~0); 791#L65-1 test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 792#L75 assume !(0 != test_~tmp___0~0); 862#L75-1 test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 863#L85 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 885#L93-2 assume !(0 != ~pumpRunning~0); 886#L129 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret6, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; 850#L213 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__lowWaterSensor_#t~ret5, processEnvironment__wrappee__lowWaterSensor_~tmp~2;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~2; 851#L187-1 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret4, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; 779#L161-3 assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret24, isHighWaterLevel_~retValue_acc~2, isHighWaterLevel_~tmp~4, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~2;havoc isHighWaterLevel_~tmp~4;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~10;havoc isHighWaterSensorDry_~retValue_acc~10; 780#L929-3 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~10 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~10; 790#L934-3 isHighWaterLevel_#t~ret24 := isHighWaterSensorDry_#res;isHighWaterLevel_~tmp~4 := isHighWaterLevel_#t~ret24;havoc isHighWaterLevel_#t~ret24; 797#L315-9 assume 0 != isHighWaterLevel_~tmp~4;isHighWaterLevel_~tmp___0~1 := 0; 798#L315-11 isHighWaterLevel_~retValue_acc~2 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~2; 805#L321-3 processEnvironment__wrappee__highWaterSensor_#t~ret4 := isHighWaterLevel_#res;processEnvironment__wrappee__highWaterSensor_~tmp~1 := processEnvironment__wrappee__highWaterSensor_#t~ret4;havoc processEnvironment__wrappee__highWaterSensor_#t~ret4; 883#L165-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~1); 823#L136 havoc __utac_acc__Specification4_spec__1_#t~ret26, __utac_acc__Specification4_spec__1_#t~ret27, __utac_acc__Specification4_spec__1_~tmp~6, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~6;havoc __utac_acc__Specification4_spec__1_~tmp___0~3;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~9;havoc getWaterLevel_~retValue_acc~9;getWaterLevel_~retValue_acc~9 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~9; 752#L921 __utac_acc__Specification4_spec__1_#t~ret26 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~6 := __utac_acc__Specification4_spec__1_#t~ret26;havoc __utac_acc__Specification4_spec__1_#t~ret26; 753#L363 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~6); 860#L363-1 [2019-01-14 04:28:14,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:28:14,414 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 3 times [2019-01-14 04:28:14,414 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:28:14,414 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:28:14,415 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:28:14,415 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:28:14,415 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:28:14,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:28:14,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:28:14,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:28:14,695 INFO L82 PathProgramCache]: Analyzing trace with hash -659266398, now seen corresponding path program 1 times [2019-01-14 04:28:14,695 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:28:14,695 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:28:14,696 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:28:14,696 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-14 04:28:14,696 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:28:14,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:28:14,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:28:14,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:28:14,708 INFO L82 PathProgramCache]: Analyzing trace with hash 594038728, now seen corresponding path program 1 times [2019-01-14 04:28:14,708 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:28:14,708 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:28:14,709 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:28:14,709 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:28:14,710 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:28:14,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:28:15,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:28:15,771 WARN L181 SmtUtils]: Spent 608.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2019-01-14 04:28:16,238 WARN L181 SmtUtils]: Spent 466.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2019-01-14 04:28:40,134 WARN L181 SmtUtils]: Spent 23.88 s on a formula simplification. DAG size of input: 451 DAG size of output: 449 [2019-01-14 04:28:51,895 WARN L181 SmtUtils]: Spent 11.76 s on a formula simplification that was a NOOP. DAG size: 449 [2019-01-14 04:28:51,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 14.01 04:28:51 BoogieIcfgContainer [2019-01-14 04:28:51,985 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-01-14 04:28:51,986 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-14 04:28:51,986 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-14 04:28:51,986 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-14 04:28:51,987 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 04:28:11" (3/4) ... [2019-01-14 04:28:51,990 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2019-01-14 04:28:52,055 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-14 04:28:52,055 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-14 04:28:52,056 INFO L168 Benchmark]: Toolchain (without parser) took 42990.63 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 338.2 MB). Free memory was 943.3 MB in the beginning and 1.3 GB in the end (delta: -382.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 04:28:52,057 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 04:28:52,057 INFO L168 Benchmark]: CACSL2BoogieTranslator took 666.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.6 MB). Free memory was 943.3 MB in the beginning and 1.1 GB in the end (delta: -189.4 MB). Peak memory consumption was 30.7 MB. Max. memory is 11.5 GB. [2019-01-14 04:28:52,058 INFO L168 Benchmark]: Boogie Procedure Inliner took 86.26 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-01-14 04:28:52,059 INFO L168 Benchmark]: Boogie Preprocessor took 93.49 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-01-14 04:28:52,059 INFO L168 Benchmark]: RCFGBuilder took 1782.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 70.2 MB). Peak memory consumption was 70.2 MB. Max. memory is 11.5 GB. [2019-01-14 04:28:52,060 INFO L168 Benchmark]: BuchiAutomizer took 40287.84 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 185.6 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -276.0 MB). Peak memory consumption was 367.5 MB. Max. memory is 11.5 GB. [2019-01-14 04:28:52,060 INFO L168 Benchmark]: Witness Printer took 69.53 ms. Allocated memory is still 1.4 GB. Free memory is still 1.3 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 04:28:52,064 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 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 666.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.6 MB). Free memory was 943.3 MB in the beginning and 1.1 GB in the end (delta: -189.4 MB). Peak memory consumption was 30.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 86.26 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 93.49 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1782.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 70.2 MB). Peak memory consumption was 70.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 40287.84 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 185.6 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -276.0 MB). Peak memory consumption was 367.5 MB. Max. memory is 11.5 GB. * Witness Printer took 69.53 ms. Allocated memory is still 1.4 GB. Free memory is still 1.3 GB. 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 3 locations. The remainder module has 184 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 40.2s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 38.9s. Construction of modules took 0.9s. 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 184 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 475 SDtfs, 404 SDslu, 75 SDs, 0 SdLazy, 45 SolverSat, 35 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time LassoAnalysisResults: nont1 unkn0 SFLI2 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: 55]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=6280} State at position 1 is {NULL=-20, NULL=0, NULL=0, NULL=6280, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@62fb8bc=0, retValue_acc=0, NULL=-16, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1650a99e=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2a5cc3d3=68, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@57fb2ed7=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@129d6e3b=0, NULL=-18, retValue_acc=1, NULL=-23, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3c7824ac=0, tmp=0, tmp___0=0, NULL=0, NULL=0, retValue_acc=0, NULL=0, tmp___1=0, NULL=-10, cleanupTimeShifts=4, tmp=0, tmp=0, NULL=-15, tmp___0=0, NULL=-13, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=-4, \result=1, NULL=-24, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@45f51943=0, NULL=0, \result=0, NULL=-11, tmp___0=0, NULL=0, NULL=0, NULL=6279, NULL=0, NULL=0, NULL=0, \result=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6f9a0ea9=0, head=0, pumpRunning=0, NULL=-14, NULL=-21, \result=0, NULL=-2, NULL=-1, NULL=0, NULL=0, tmp=1, NULL=0, NULL=0, \result=1, NULL=-3, NULL=-17, NULL=-12, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@34fc6179=0, tmp=1, NULL=0, retValue_acc=1, tmp=1, tmp___2=68, retValue_acc=1, splverifierCounter=0, NULL=0, NULL=0, NULL=-7, NULL=-5, NULL=-22, tmp=0, head=0, NULL=-9, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2f306190=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2968b9a0=0, NULL=0, NULL=0, NULL=-8, NULL=0, NULL=-6, NULL=-19} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L121] int pumpRunning = 0; [L122] int systemActive = 1; [L381] int cleanupTimeShifts = 4; [L649] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L846] int waterLevel = 1; [L847] int methaneLevelCritical = 0; [L457] int retValue_acc ; [L458] int tmp ; [L984] int retValue_acc ; [L987] retValue_acc = 1 [L988] return (retValue_acc); [L464] tmp = valid_product() [L466] COND TRUE \read(tmp) [L46] int splverifierCounter ; [L47] int tmp ; [L48] int tmp___0 ; [L49] int tmp___1 ; [L50] int tmp___2 ; [L53] splverifierCounter = 0 Loop: [L55] COND TRUE 1 [L57] COND TRUE splverifierCounter < 4 [L63] tmp = __VERIFIER_nondet_int() [L65] COND FALSE !(\read(tmp)) [L73] tmp___0 = __VERIFIER_nondet_int() [L75] COND FALSE !(\read(tmp___0)) [L83] tmp___2 = __VERIFIER_nondet_int() [L85] COND TRUE \read(tmp___2) [L348] systemActive = 1 [L129] COND FALSE !(\read(pumpRunning)) [L136] COND TRUE \read(systemActive) [L210] int tmp ; [L213] COND FALSE !(\read(pumpRunning)) [L184] int tmp ; [L187] COND FALSE !(\read(pumpRunning)) [L158] int tmp ; [L161] COND TRUE ! pumpRunning [L307] int retValue_acc ; [L308] int tmp ; [L309] int tmp___0 ; [L926] int retValue_acc ; [L929] COND TRUE waterLevel < 2 [L930] retValue_acc = 1 [L931] return (retValue_acc); [L313] tmp = isHighWaterSensorDry() [L315] COND TRUE \read(tmp) [L316] tmp___0 = 0 [L320] retValue_acc = tmp___0 [L321] return (retValue_acc); [L163] tmp = isHighWaterLevel() [L165] COND FALSE !(\read(tmp)) [L356] int tmp ; [L357] int tmp___0 ; [L917] int retValue_acc ; [L920] retValue_acc = waterLevel [L921] return (retValue_acc); [L361] tmp = getWaterLevel() [L363] COND FALSE !(tmp == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...