./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product61_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_9ede8e8c-d7b6-4143-85a9-54896e02f1f7/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9ede8e8c-d7b6-4143-85a9-54896e02f1f7/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9ede8e8c-d7b6-4143-85a9-54896e02f1f7/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9ede8e8c-d7b6-4143-85a9-54896e02f1f7/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product61_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_9ede8e8c-d7b6-4143-85a9-54896e02f1f7/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9ede8e8c-d7b6-4143-85a9-54896e02f1f7/bin-2019/uautomizer --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 62215579489c65348c20dcb35d4d11bc17ff5b74 .......................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.1.23-0cd3be1 [2018-11-28 10:55:06,864 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 10:55:06,865 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 10:55:06,871 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 10:55:06,872 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 10:55:06,872 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 10:55:06,873 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 10:55:06,874 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 10:55:06,875 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 10:55:06,876 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 10:55:06,877 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 10:55:06,877 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 10:55:06,877 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 10:55:06,878 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 10:55:06,879 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 10:55:06,879 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 10:55:06,880 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 10:55:06,881 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 10:55:06,882 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 10:55:06,883 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 10:55:06,884 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 10:55:06,885 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 10:55:06,886 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 10:55:06,887 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 10:55:06,887 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 10:55:06,888 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 10:55:06,888 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 10:55:06,889 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 10:55:06,889 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 10:55:06,890 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 10:55:06,890 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 10:55:06,890 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 10:55:06,891 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 10:55:06,891 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 10:55:06,891 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 10:55:06,892 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 10:55:06,892 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9ede8e8c-d7b6-4143-85a9-54896e02f1f7/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-28 10:55:06,900 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 10:55:06,901 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 10:55:06,901 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 10:55:06,902 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 10:55:06,902 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 10:55:06,902 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-28 10:55:06,902 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-28 10:55:06,902 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-28 10:55:06,902 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-28 10:55:06,902 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-28 10:55:06,903 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-28 10:55:06,903 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 10:55:06,903 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 10:55:06,903 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 10:55:06,903 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 10:55:06,903 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 10:55:06,903 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 10:55:06,904 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-28 10:55:06,904 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-28 10:55:06,904 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-28 10:55:06,904 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 10:55:06,904 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 10:55:06,904 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-28 10:55:06,904 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 10:55:06,904 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-28 10:55:06,905 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 10:55:06,905 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 10:55:06,905 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-28 10:55:06,905 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 10:55:06,905 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 10:55:06,905 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-28 10:55:06,906 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-28 10:55:06,906 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_9ede8e8c-d7b6-4143-85a9-54896e02f1f7/bin-2019/uautomizer 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 -> 62215579489c65348c20dcb35d4d11bc17ff5b74 [2018-11-28 10:55:06,930 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 10:55:06,939 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 10:55:06,941 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 10:55:06,942 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 10:55:06,943 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 10:55:06,943 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9ede8e8c-d7b6-4143-85a9-54896e02f1f7/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product61_true-unreach-call_false-termination.cil.c [2018-11-28 10:55:06,983 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9ede8e8c-d7b6-4143-85a9-54896e02f1f7/bin-2019/uautomizer/data/c6a3d169d/989b706aa77244518dc3ead88a09cad1/FLAGa8738ee6e [2018-11-28 10:55:07,404 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 10:55:07,404 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9ede8e8c-d7b6-4143-85a9-54896e02f1f7/sv-benchmarks/c/product-lines/minepump_spec4_product61_true-unreach-call_false-termination.cil.c [2018-11-28 10:55:07,411 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9ede8e8c-d7b6-4143-85a9-54896e02f1f7/bin-2019/uautomizer/data/c6a3d169d/989b706aa77244518dc3ead88a09cad1/FLAGa8738ee6e [2018-11-28 10:55:07,421 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9ede8e8c-d7b6-4143-85a9-54896e02f1f7/bin-2019/uautomizer/data/c6a3d169d/989b706aa77244518dc3ead88a09cad1 [2018-11-28 10:55:07,423 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 10:55:07,424 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 10:55:07,425 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 10:55:07,425 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 10:55:07,427 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 10:55:07,428 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 10:55:07" (1/1) ... [2018-11-28 10:55:07,429 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9d208f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:55:07, skipping insertion in model container [2018-11-28 10:55:07,429 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 10:55:07" (1/1) ... [2018-11-28 10:55:07,433 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 10:55:07,461 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 10:55:07,639 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 10:55:07,696 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 10:55:07,753 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 10:55:07,777 INFO L195 MainTranslator]: Completed translation [2018-11-28 10:55:07,778 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:55:07 WrapperNode [2018-11-28 10:55:07,778 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 10:55:07,779 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 10:55:07,779 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 10:55:07,779 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 10:55:07,786 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:55:07" (1/1) ... [2018-11-28 10:55:07,799 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:55:07" (1/1) ... [2018-11-28 10:55:07,838 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 10:55:07,838 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 10:55:07,838 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 10:55:07,839 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 10:55:07,847 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:55:07" (1/1) ... [2018-11-28 10:55:07,847 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:55:07" (1/1) ... [2018-11-28 10:55:07,852 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:55:07" (1/1) ... [2018-11-28 10:55:07,852 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:55:07" (1/1) ... [2018-11-28 10:55:07,864 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:55:07" (1/1) ... [2018-11-28 10:55:07,874 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:55:07" (1/1) ... [2018-11-28 10:55:07,877 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:55:07" (1/1) ... [2018-11-28 10:55:07,881 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 10:55:07,881 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 10:55:07,881 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 10:55:07,881 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 10:55:07,882 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:55:07" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9ede8e8c-d7b6-4143-85a9-54896e02f1f7/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 10:55:07,934 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 10:55:07,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 10:55:07,934 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 10:55:07,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 10:55:08,609 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 10:55:08,609 INFO L280 CfgBuilder]: Removed 348 assue(true) statements. [2018-11-28 10:55:08,610 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 10:55:08 BoogieIcfgContainer [2018-11-28 10:55:08,610 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 10:55:08,610 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-28 10:55:08,610 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-28 10:55:08,613 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-28 10:55:08,614 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 10:55:08,614 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 10:55:07" (1/3) ... [2018-11-28 10:55:08,615 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1df167cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 10:55:08, skipping insertion in model container [2018-11-28 10:55:08,615 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 10:55:08,615 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:55:07" (2/3) ... [2018-11-28 10:55:08,615 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1df167cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 10:55:08, skipping insertion in model container [2018-11-28 10:55:08,615 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 10:55:08,615 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 10:55:08" (3/3) ... [2018-11-28 10:55:08,617 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product61_true-unreach-call_false-termination.cil.c [2018-11-28 10:55:08,654 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 10:55:08,655 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-28 10:55:08,655 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-28 10:55:08,655 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-28 10:55:08,655 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 10:55:08,655 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 10:55:08,655 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-28 10:55:08,656 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 10:55:08,656 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-28 10:55:08,673 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 222 states. [2018-11-28 10:55:08,701 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 145 [2018-11-28 10:55:08,701 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 10:55:08,701 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 10:55:08,708 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-11-28 10:55:08,708 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 10:55:08,708 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-28 10:55:08,708 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 222 states. [2018-11-28 10:55:08,713 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 145 [2018-11-28 10:55:08,713 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 10:55:08,713 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 10:55:08,714 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-11-28 10:55:08,714 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 10:55:08,717 INFO L794 eck$LassoCheckResult]: Stem: 95#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string7.base, #t~string7.offset := #Ultimate.alloc(13);call #t~string9.base, #t~string9.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string9.base, #t~string9.offset, 1);call write~init~int(110, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 2 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 2 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 3 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string13.base, #t~string13.offset, 1);call write~init~int(80, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(117, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(109, #t~string13.base, 3 + #t~string13.offset, 1);call write~init~int(112, #t~string13.base, 4 + #t~string13.offset, 1);call write~init~int(58, #t~string13.base, 5 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 6 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(110, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 2 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 2 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 3 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string19.base, #t~string19.offset, 1);call write~init~int(32, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 2 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string21.base, #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 1 + #t~string21.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string29.base, #t~string29.offset := #Ultimate.alloc(13);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string31.base, #t~string31.offset, 1);call write~init~int(77, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(101, #t~string31.base, 2 + #t~string31.offset, 1);call write~init~int(116, #t~string31.base, 3 + #t~string31.offset, 1);call write~init~int(104, #t~string31.base, 4 + #t~string31.offset, 1);call write~init~int(58, #t~string31.base, 5 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 6 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string33.base, #t~string33.offset, 1);call write~init~int(82, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(73, #t~string33.base, 2 + #t~string33.offset, 1);call write~init~int(84, #t~string33.base, 3 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 4 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string35.base, #t~string35.offset, 1);call write~init~int(75, #t~string35.base, 1 + #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 2 + #t~string35.offset, 1);call #t~string37.base, #t~string37.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string37.base, #t~string37.offset, 1);call write~init~int(0, #t~string37.base, 1 + #t~string37.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string58.base, #t~string58.offset := #Ultimate.alloc(30);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(9);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(21);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(30);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(9);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(21);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(30);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(9);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(25);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(30);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(9);call #t~string72.base, #t~string72.offset := #Ultimate.alloc(25);~cleanupTimeShifts~0 := 4; 9#L-1true havoc main_#res;havoc main_#t~ret75, main_~retValue_acc~13, main_~tmp~11;havoc main_~retValue_acc~13;havoc main_~tmp~11; 201#L74true havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 114#L82true main_#t~ret75 := valid_product_#res;main_~tmp~11 := main_#t~ret75;havoc main_#t~ret75; 17#L984true assume 0 != main_~tmp~11; 169#L961true havoc test_#t~nondet24, test_#t~nondet25, test_#t~nondet26, test_#t~nondet27, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 165#L518-1true [2018-11-28 10:55:08,718 INFO L796 eck$LassoCheckResult]: Loop: 165#L518-1true assume !false; 118#L352true assume test_~splverifierCounter~0 < 4; 152#L353true test_~tmp~6 := test_#t~nondet24;havoc test_#t~nondet24; 38#L361true assume !(0 != test_~tmp~6); 41#L361-1true test_~tmp___0~2 := test_#t~nondet25;havoc test_#t~nondet25; 203#L371true assume !(0 != test_~tmp___0~2); 205#L371-1true test_~tmp___2~0 := test_#t~nondet26;havoc test_#t~nondet26; 140#L381true assume 0 != test_~tmp___2~0; 138#L387-2true assume !(0 != ~pumpRunning~0); 156#L105true assume !(0 != ~systemActive~0); 213#L112true havoc __utac_acc__Specification4_spec__1_#t~ret38, __utac_acc__Specification4_spec__1_#t~ret39, __utac_acc__Specification4_spec__1_~tmp~7, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~7;havoc __utac_acc__Specification4_spec__1_~tmp___0~3;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; 168#L482true __utac_acc__Specification4_spec__1_#t~ret38 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~7 := __utac_acc__Specification4_spec__1_#t~ret38;havoc __utac_acc__Specification4_spec__1_#t~ret38; 163#L518true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~7); 165#L518-1true [2018-11-28 10:55:08,722 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:55:08,722 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2018-11-28 10:55:08,724 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 10:55:08,724 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 10:55:08,765 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:55:08,765 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:55:08,766 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:55:08,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 10:55:08,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 10:55:08,893 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:55:08,893 INFO L82 PathProgramCache]: Analyzing trace with hash -1675126782, now seen corresponding path program 1 times [2018-11-28 10:55:08,893 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 10:55:08,893 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 10:55:08,894 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:55:08,894 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:55:08,894 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:55:08,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 10:55:08,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 10:55:08,905 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:55:08,906 INFO L82 PathProgramCache]: Analyzing trace with hash 39152156, now seen corresponding path program 1 times [2018-11-28 10:55:08,906 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 10:55:08,906 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 10:55:08,906 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:55:08,907 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:55:08,907 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:55:08,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 10:55:09,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 10:55:09,013 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 10:55:09,013 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 10:55:09,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 10:55:09,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-28 10:55:09,089 INFO L87 Difference]: Start difference. First operand 222 states. Second operand 6 states. [2018-11-28 10:55:09,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 10:55:09,178 INFO L93 Difference]: Finished difference Result 222 states and 322 transitions. [2018-11-28 10:55:09,178 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 10:55:09,180 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 222 states and 322 transitions. [2018-11-28 10:55:09,184 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 143 [2018-11-28 10:55:09,189 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 222 states to 215 states and 315 transitions. [2018-11-28 10:55:09,190 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 215 [2018-11-28 10:55:09,191 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 215 [2018-11-28 10:55:09,192 INFO L73 IsDeterministic]: Start isDeterministic. Operand 215 states and 315 transitions. [2018-11-28 10:55:09,193 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 10:55:09,193 INFO L705 BuchiCegarLoop]: Abstraction has 215 states and 315 transitions. [2018-11-28 10:55:09,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states and 315 transitions. [2018-11-28 10:55:09,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 215. [2018-11-28 10:55:09,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 215 states. [2018-11-28 10:55:09,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 315 transitions. [2018-11-28 10:55:09,222 INFO L728 BuchiCegarLoop]: Abstraction has 215 states and 315 transitions. [2018-11-28 10:55:09,222 INFO L608 BuchiCegarLoop]: Abstraction has 215 states and 315 transitions. [2018-11-28 10:55:09,222 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-28 10:55:09,222 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 215 states and 315 transitions. [2018-11-28 10:55:09,224 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 143 [2018-11-28 10:55:09,224 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 10:55:09,225 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 10:55:09,225 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-11-28 10:55:09,225 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 10:55:09,226 INFO L794 eck$LassoCheckResult]: Stem: 606#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string7.base, #t~string7.offset := #Ultimate.alloc(13);call #t~string9.base, #t~string9.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string9.base, #t~string9.offset, 1);call write~init~int(110, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 2 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 2 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 3 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string13.base, #t~string13.offset, 1);call write~init~int(80, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(117, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(109, #t~string13.base, 3 + #t~string13.offset, 1);call write~init~int(112, #t~string13.base, 4 + #t~string13.offset, 1);call write~init~int(58, #t~string13.base, 5 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 6 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(110, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 2 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 2 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 3 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string19.base, #t~string19.offset, 1);call write~init~int(32, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 2 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string21.base, #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 1 + #t~string21.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string29.base, #t~string29.offset := #Ultimate.alloc(13);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string31.base, #t~string31.offset, 1);call write~init~int(77, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(101, #t~string31.base, 2 + #t~string31.offset, 1);call write~init~int(116, #t~string31.base, 3 + #t~string31.offset, 1);call write~init~int(104, #t~string31.base, 4 + #t~string31.offset, 1);call write~init~int(58, #t~string31.base, 5 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 6 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string33.base, #t~string33.offset, 1);call write~init~int(82, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(73, #t~string33.base, 2 + #t~string33.offset, 1);call write~init~int(84, #t~string33.base, 3 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 4 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string35.base, #t~string35.offset, 1);call write~init~int(75, #t~string35.base, 1 + #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 2 + #t~string35.offset, 1);call #t~string37.base, #t~string37.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string37.base, #t~string37.offset, 1);call write~init~int(0, #t~string37.base, 1 + #t~string37.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string58.base, #t~string58.offset := #Ultimate.alloc(30);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(9);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(21);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(30);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(9);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(21);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(30);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(9);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(25);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(30);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(9);call #t~string72.base, #t~string72.offset := #Ultimate.alloc(25);~cleanupTimeShifts~0 := 4; 474#L-1 havoc main_#res;havoc main_#t~ret75, main_~retValue_acc~13, main_~tmp~11;havoc main_~retValue_acc~13;havoc main_~tmp~11; 475#L74 havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 617#L82 main_#t~ret75 := valid_product_#res;main_~tmp~11 := main_#t~ret75;havoc main_#t~ret75; 490#L984 assume 0 != main_~tmp~11; 491#L961 havoc test_#t~nondet24, test_#t~nondet25, test_#t~nondet26, test_#t~nondet27, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 473#L518-1 [2018-11-28 10:55:09,226 INFO L796 eck$LassoCheckResult]: Loop: 473#L518-1 assume !false; 619#L352 assume test_~splverifierCounter~0 < 4; 620#L353 test_~tmp~6 := test_#t~nondet24;havoc test_#t~nondet24; 526#L361 assume !(0 != test_~tmp~6); 528#L361-1 test_~tmp___0~2 := test_#t~nondet25;havoc test_#t~nondet25; 533#L371 assume !(0 != test_~tmp___0~2); 674#L371-1 test_~tmp___2~0 := test_#t~nondet26;havoc test_#t~nondet26; 637#L381 assume 0 != test_~tmp___2~0; 636#L387-2 assume !(0 != ~pumpRunning~0); 576#L105 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret3, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 649#L189 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret2, processEnvironment__wrappee__methaneQuery_~tmp~1;havoc processEnvironment__wrappee__methaneQuery_~tmp~1; 538#L163-1 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret1, processEnvironment__wrappee__highWaterSensor_~tmp~0;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0; 539#L137-3 assume !(0 == ~pumpRunning~0); 530#L112 havoc __utac_acc__Specification4_spec__1_#t~ret38, __utac_acc__Specification4_spec__1_#t~ret39, __utac_acc__Specification4_spec__1_~tmp~7, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~7;havoc __utac_acc__Specification4_spec__1_~tmp___0~3;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; 654#L482 __utac_acc__Specification4_spec__1_#t~ret38 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~7 := __utac_acc__Specification4_spec__1_#t~ret38;havoc __utac_acc__Specification4_spec__1_#t~ret38; 653#L518 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~7); 473#L518-1 [2018-11-28 10:55:09,229 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:55:09,230 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2018-11-28 10:55:09,230 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 10:55:09,230 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 10:55:09,231 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:55:09,231 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:55:09,231 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:55:09,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 10:55:09,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 10:55:09,269 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:55:09,269 INFO L82 PathProgramCache]: Analyzing trace with hash 391395521, now seen corresponding path program 1 times [2018-11-28 10:55:09,269 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 10:55:09,269 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 10:55:09,270 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:55:09,270 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 10:55:09,270 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:55:09,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 10:55:09,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 10:55:09,289 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 10:55:09,290 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 10:55:09,290 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-28 10:55:09,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 10:55:09,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 10:55:09,291 INFO L87 Difference]: Start difference. First operand 215 states and 315 transitions. cyclomatic complexity: 102 Second operand 3 states. [2018-11-28 10:55:09,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 10:55:09,442 INFO L93 Difference]: Finished difference Result 211 states and 291 transitions. [2018-11-28 10:55:09,442 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 10:55:09,443 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 211 states and 291 transitions. [2018-11-28 10:55:09,445 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 144 [2018-11-28 10:55:09,447 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 211 states to 211 states and 291 transitions. [2018-11-28 10:55:09,447 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 211 [2018-11-28 10:55:09,447 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 211 [2018-11-28 10:55:09,447 INFO L73 IsDeterministic]: Start isDeterministic. Operand 211 states and 291 transitions. [2018-11-28 10:55:09,448 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 10:55:09,449 INFO L705 BuchiCegarLoop]: Abstraction has 211 states and 291 transitions. [2018-11-28 10:55:09,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states and 291 transitions. [2018-11-28 10:55:09,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 211. [2018-11-28 10:55:09,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 211 states. [2018-11-28 10:55:09,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 291 transitions. [2018-11-28 10:55:09,457 INFO L728 BuchiCegarLoop]: Abstraction has 211 states and 291 transitions. [2018-11-28 10:55:09,457 INFO L608 BuchiCegarLoop]: Abstraction has 211 states and 291 transitions. [2018-11-28 10:55:09,457 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-28 10:55:09,457 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 211 states and 291 transitions. [2018-11-28 10:55:09,459 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 144 [2018-11-28 10:55:09,459 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 10:55:09,459 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 10:55:09,460 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-11-28 10:55:09,460 INFO L867 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] [2018-11-28 10:55:09,460 INFO L794 eck$LassoCheckResult]: Stem: 1055#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string7.base, #t~string7.offset := #Ultimate.alloc(13);call #t~string9.base, #t~string9.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string9.base, #t~string9.offset, 1);call write~init~int(110, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 2 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 2 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 3 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string13.base, #t~string13.offset, 1);call write~init~int(80, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(117, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(109, #t~string13.base, 3 + #t~string13.offset, 1);call write~init~int(112, #t~string13.base, 4 + #t~string13.offset, 1);call write~init~int(58, #t~string13.base, 5 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 6 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(110, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 2 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 2 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 3 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string19.base, #t~string19.offset, 1);call write~init~int(32, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 2 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string21.base, #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 1 + #t~string21.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string29.base, #t~string29.offset := #Ultimate.alloc(13);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string31.base, #t~string31.offset, 1);call write~init~int(77, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(101, #t~string31.base, 2 + #t~string31.offset, 1);call write~init~int(116, #t~string31.base, 3 + #t~string31.offset, 1);call write~init~int(104, #t~string31.base, 4 + #t~string31.offset, 1);call write~init~int(58, #t~string31.base, 5 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 6 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string33.base, #t~string33.offset, 1);call write~init~int(82, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(73, #t~string33.base, 2 + #t~string33.offset, 1);call write~init~int(84, #t~string33.base, 3 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 4 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string35.base, #t~string35.offset, 1);call write~init~int(75, #t~string35.base, 1 + #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 2 + #t~string35.offset, 1);call #t~string37.base, #t~string37.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string37.base, #t~string37.offset, 1);call write~init~int(0, #t~string37.base, 1 + #t~string37.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string58.base, #t~string58.offset := #Ultimate.alloc(30);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(9);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(21);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(30);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(9);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(21);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(30);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(9);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(25);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(30);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(9);call #t~string72.base, #t~string72.offset := #Ultimate.alloc(25);~cleanupTimeShifts~0 := 4; 907#L-1 havoc main_#res;havoc main_#t~ret75, main_~retValue_acc~13, main_~tmp~11;havoc main_~retValue_acc~13;havoc main_~tmp~11; 908#L74 havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 1063#L82 main_#t~ret75 := valid_product_#res;main_~tmp~11 := main_#t~ret75;havoc main_#t~ret75; 919#L984 assume 0 != main_~tmp~11; 920#L961 havoc test_#t~nondet24, test_#t~nondet25, test_#t~nondet26, test_#t~nondet27, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 906#L518-1 [2018-11-28 10:55:09,461 INFO L796 eck$LassoCheckResult]: Loop: 906#L518-1 assume !false; 990#L352 assume test_~splverifierCounter~0 < 4; 964#L353 test_~tmp~6 := test_#t~nondet24;havoc test_#t~nondet24; 965#L361 assume !(0 != test_~tmp~6); 932#L361-1 test_~tmp___0~2 := test_#t~nondet25;havoc test_#t~nondet25; 975#L371 assume !(0 != test_~tmp___0~2); 1066#L371-1 test_~tmp___2~0 := test_#t~nondet26;havoc test_#t~nondet26; 933#L381 assume 0 != test_~tmp___2~0; 897#L387-2 assume !(0 != ~pumpRunning~0); 902#L105 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret3, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 966#L189 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret2, processEnvironment__wrappee__methaneQuery_~tmp~1;havoc processEnvironment__wrappee__methaneQuery_~tmp~1; 983#L163-1 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret1, processEnvironment__wrappee__highWaterSensor_~tmp~0;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0; 984#L137-3 assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret22, isHighWaterLevel_~retValue_acc~4, isHighWaterLevel_~tmp~4, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~4;havoc isHighWaterLevel_~tmp~4;havoc isHighWaterLevel_~tmp___0~0;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~8;havoc isHighWaterSensorDry_~retValue_acc~8; 1026#L490-3 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~8 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~8; 1027#L495-3 isHighWaterLevel_#t~ret22 := isHighWaterSensorDry_#res;isHighWaterLevel_~tmp~4 := isHighWaterLevel_#t~ret22;havoc isHighWaterLevel_#t~ret22; 1045#L308-9 assume 0 != isHighWaterLevel_~tmp~4;isHighWaterLevel_~tmp___0~0 := 0; 1012#L308-11 isHighWaterLevel_~retValue_acc~4 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~4; 999#L314-3 processEnvironment__wrappee__highWaterSensor_#t~ret1 := isHighWaterLevel_#res;processEnvironment__wrappee__highWaterSensor_~tmp~0 := processEnvironment__wrappee__highWaterSensor_#t~ret1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret1; 970#L141-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~0); 971#L112 havoc __utac_acc__Specification4_spec__1_#t~ret38, __utac_acc__Specification4_spec__1_#t~ret39, __utac_acc__Specification4_spec__1_~tmp~7, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~7;havoc __utac_acc__Specification4_spec__1_~tmp___0~3;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; 996#L482 __utac_acc__Specification4_spec__1_#t~ret38 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~7 := __utac_acc__Specification4_spec__1_#t~ret38;havoc __utac_acc__Specification4_spec__1_#t~ret38; 985#L518 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~7); 906#L518-1 [2018-11-28 10:55:09,461 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:55:09,461 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 3 times [2018-11-28 10:55:09,461 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 10:55:09,461 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 10:55:09,462 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:55:09,462 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:55:09,462 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:55:09,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 10:55:09,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 10:55:09,496 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:55:09,496 INFO L82 PathProgramCache]: Analyzing trace with hash 697809965, now seen corresponding path program 1 times [2018-11-28 10:55:09,496 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 10:55:09,496 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 10:55:09,497 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:55:09,497 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 10:55:09,498 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:55:09,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 10:55:09,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 10:55:09,509 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:55:09,510 INFO L82 PathProgramCache]: Analyzing trace with hash 1951115091, now seen corresponding path program 1 times [2018-11-28 10:55:09,510 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 10:55:09,510 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 10:55:09,511 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:55:09,511 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:55:09,511 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:55:09,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 10:55:09,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 10:55:13,914 WARN L180 SmtUtils]: Spent 4.22 s on a formula simplification. DAG size of input: 425 DAG size of output: 423 [2018-11-28 10:55:15,955 WARN L180 SmtUtils]: Spent 2.04 s on a formula simplification that was a NOOP. DAG size: 423 [2018-11-28 10:55:15,989 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 10:55:15 BoogieIcfgContainer [2018-11-28 10:55:15,989 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-28 10:55:15,990 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 10:55:15,990 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 10:55:15,990 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 10:55:15,990 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 10:55:08" (3/4) ... [2018-11-28 10:55:15,993 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-28 10:55:16,035 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_9ede8e8c-d7b6-4143-85a9-54896e02f1f7/bin-2019/uautomizer/witness.graphml [2018-11-28 10:55:16,035 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 10:55:16,035 INFO L168 Benchmark]: Toolchain (without parser) took 8611.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 178.3 MB). Free memory was 951.2 MB in the beginning and 895.9 MB in the end (delta: 55.3 MB). Peak memory consumption was 233.6 MB. Max. memory is 11.5 GB. [2018-11-28 10:55:16,036 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 976.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 10:55:16,036 INFO L168 Benchmark]: CACSL2BoogieTranslator took 353.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 951.2 MB in the beginning and 1.1 GB in the end (delta: -167.1 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. [2018-11-28 10:55:16,036 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.61 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-28 10:55:16,037 INFO L168 Benchmark]: Boogie Preprocessor took 42.44 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-28 10:55:16,037 INFO L168 Benchmark]: RCFGBuilder took 728.80 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: 77.5 MB). Peak memory consumption was 77.5 MB. Max. memory is 11.5 GB. [2018-11-28 10:55:16,037 INFO L168 Benchmark]: BuchiAutomizer took 7379.31 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 49.3 MB). Free memory was 1.0 GB in the beginning and 896.8 MB in the end (delta: 133.3 MB). Peak memory consumption was 226.9 MB. Max. memory is 11.5 GB. [2018-11-28 10:55:16,038 INFO L168 Benchmark]: Witness Printer took 45.15 ms. Allocated memory is still 1.2 GB. Free memory was 896.8 MB in the beginning and 895.9 MB in the end (delta: 872.7 kB). Peak memory consumption was 872.7 kB. Max. memory is 11.5 GB. [2018-11-28 10:55:16,039 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 976.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 353.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 951.2 MB in the beginning and 1.1 GB in the end (delta: -167.1 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 59.61 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 42.44 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 728.80 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: 77.5 MB). Peak memory consumption was 77.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 7379.31 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 49.3 MB). Free memory was 1.0 GB in the beginning and 896.8 MB in the end (delta: 133.3 MB). Peak memory consumption was 226.9 MB. Max. memory is 11.5 GB. * Witness Printer took 45.15 ms. Allocated memory is still 1.2 GB. Free memory was 896.8 MB in the beginning and 895.9 MB in the end (delta: 872.7 kB). Peak memory consumption was 872.7 kB. 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 211 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 7.3s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 6.9s. Construction of modules took 0.1s. Büchi inclusion checks took 0.0s. 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 215 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 539 SDtfs, 1127 SDslu, 77 SDs, 0 SdLazy, 50 SolverSat, 36 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s 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: 351]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {NULL=24, NULL=0, NULL=0, NULL=0, NULL=31, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@79056819=0, NULL=16, NULL=0, NULL=0, NULL=8, NULL=20, NULL=19, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7aadcc09=0, NULL=14, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1cc247ac=0, tmp___0=0, retValue_acc=0, NULL=0, NULL=0, NULL=38, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@666e52dc=0, tmp=0, NULL=33, NULL=0, tmp___1=0, NULL=35, tmp=0, cleanupTimeShifts=4, NULL=37, tmp=1, tmp___0=0, NULL=39, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=12, \result=1, NULL=18, \result=0, NULL=15, NULL=0, \result=1, retValue_acc=0, head=0, pumpRunning=0, retValue_acc=1, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7c4d670e=0, NULL=34, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6258bd69=0, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@483f5d2e=56, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5f363413=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4b546f0d=0, NULL=23, NULL=0, \result=1, NULL=36, NULL=29, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@265e61ee=0, NULL=0, NULL=0, tmp=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@18f61660=0, retValue_acc=1, tmp=1, retValue_acc=1, tmp___2=56, tmp___0=0, splverifierCounter=0, NULL=0, NULL=0, NULL=0, NULL=17, NULL=11, NULL=22, tmp=0, head=0, tmp=0, NULL=27, NULL=0, NULL=0, NULL=0, NULL=0, NULL=28, NULL=26} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L97] int pumpRunning = 0; [L98] int systemActive = 1; [L407] int waterLevel = 1; [L408] int methaneLevelCritical = 0; [L705] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L902] int cleanupTimeShifts = 4; [L975] int retValue_acc ; [L976] int tmp ; [L78] int retValue_acc ; [L81] retValue_acc = 1 [L82] return (retValue_acc); [L982] tmp = valid_product() [L984] COND TRUE \read(tmp) [L342] int splverifierCounter ; [L343] int tmp ; [L344] int tmp___0 ; [L345] int tmp___1 ; [L346] int tmp___2 ; [L349] splverifierCounter = 0 Loop: [L351] COND TRUE 1 [L353] COND TRUE splverifierCounter < 4 [L359] tmp = __VERIFIER_nondet_int() [L361] COND FALSE !(\read(tmp)) [L369] tmp___0 = __VERIFIER_nondet_int() [L371] COND FALSE !(\read(tmp___0)) [L379] tmp___2 = __VERIFIER_nondet_int() [L381] COND TRUE \read(tmp___2) [L105] COND FALSE !(\read(pumpRunning)) [L112] COND TRUE \read(systemActive) [L186] int tmp ; [L189] COND FALSE !(\read(pumpRunning)) [L160] int tmp ; [L163] COND FALSE !(\read(pumpRunning)) [L134] int tmp ; [L137] COND TRUE ! pumpRunning [L300] int retValue_acc ; [L301] int tmp ; [L302] int tmp___0 ; [L487] int retValue_acc ; [L490] COND TRUE waterLevel < 2 [L491] retValue_acc = 1 [L492] return (retValue_acc); [L306] tmp = isHighWaterSensorDry() [L308] COND TRUE \read(tmp) [L309] tmp___0 = 0 [L313] retValue_acc = tmp___0 [L314] return (retValue_acc); [L139] tmp = isHighWaterLevel() [L141] COND FALSE !(\read(tmp)) [L511] int tmp ; [L512] int tmp___0 ; [L478] int retValue_acc ; [L481] retValue_acc = waterLevel [L482] return (retValue_acc); [L516] tmp = getWaterLevel() [L518] COND FALSE !(tmp == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...