./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec2_product54_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 91b1670e Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i /storage/repos/svcomp/c/product-lines/minepump_spec2_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 5f4b0de905917a1846797fc2994ae6377b8a6114 .................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.24-91b1670 [2018-11-28 23:56:55,020 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 23:56:55,022 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 23:56:55,034 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 23:56:55,035 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 23:56:55,036 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 23:56:55,037 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 23:56:55,047 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 23:56:55,049 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 23:56:55,050 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 23:56:55,051 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 23:56:55,051 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 23:56:55,052 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 23:56:55,053 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 23:56:55,054 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 23:56:55,055 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 23:56:55,056 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 23:56:55,061 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 23:56:55,066 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 23:56:55,067 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 23:56:55,068 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 23:56:55,071 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 23:56:55,076 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 23:56:55,079 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 23:56:55,079 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 23:56:55,081 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 23:56:55,082 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 23:56:55,082 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 23:56:55,087 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 23:56:55,088 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 23:56:55,091 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 23:56:55,093 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 23:56:55,093 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 23:56:55,094 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 23:56:55,095 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 23:56:55,097 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 23:56:55,098 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-28 23:56:55,124 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 23:56:55,124 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 23:56:55,125 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 23:56:55,126 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 23:56:55,126 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 23:56:55,126 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-28 23:56:55,127 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-28 23:56:55,127 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-28 23:56:55,127 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-28 23:56:55,127 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-28 23:56:55,127 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-28 23:56:55,127 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 23:56:55,128 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 23:56:55,129 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 23:56:55,129 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 23:56:55,129 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 23:56:55,129 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 23:56:55,129 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-28 23:56:55,129 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-28 23:56:55,130 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-28 23:56:55,131 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 23:56:55,131 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 23:56:55,131 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-28 23:56:55,131 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 23:56:55,131 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-28 23:56:55,132 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 23:56:55,132 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 23:56:55,132 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-28 23:56:55,132 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 23:56:55,132 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 23:56:55,132 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-28 23:56:55,135 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-28 23:56:55,135 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 -> 5f4b0de905917a1846797fc2994ae6377b8a6114 [2018-11-28 23:56:55,180 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 23:56:55,194 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 23:56:55,199 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 23:56:55,201 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 23:56:55,201 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 23:56:55,202 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec2_product54_true-unreach-call_false-termination.cil.c [2018-11-28 23:56:55,263 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b735ada63/cb26082ee76645fcb05926e5fd05cf6c/FLAGa9c5a3733 [2018-11-28 23:56:55,741 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 23:56:55,742 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec2_product54_true-unreach-call_false-termination.cil.c [2018-11-28 23:56:55,756 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b735ada63/cb26082ee76645fcb05926e5fd05cf6c/FLAGa9c5a3733 [2018-11-28 23:56:56,030 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b735ada63/cb26082ee76645fcb05926e5fd05cf6c [2018-11-28 23:56:56,034 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 23:56:56,036 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 23:56:56,037 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 23:56:56,038 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 23:56:56,041 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 23:56:56,042 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:56:56" (1/1) ... [2018-11-28 23:56:56,048 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b2eb77c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:56:56, skipping insertion in model container [2018-11-28 23:56:56,048 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:56:56" (1/1) ... [2018-11-28 23:56:56,057 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 23:56:56,125 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 23:56:56,558 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:56:56,582 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 23:56:56,698 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:56:56,814 INFO L195 MainTranslator]: Completed translation [2018-11-28 23:56:56,814 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:56:56 WrapperNode [2018-11-28 23:56:56,815 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 23:56:56,815 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 23:56:56,815 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 23:56:56,816 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 23:56:56,826 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:56:56" (1/1) ... [2018-11-28 23:56:56,846 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:56:56" (1/1) ... [2018-11-28 23:56:56,909 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 23:56:56,910 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 23:56:56,910 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 23:56:56,910 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 23:56:56,930 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:56:56" (1/1) ... [2018-11-28 23:56:56,934 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:56:56" (1/1) ... [2018-11-28 23:56:56,945 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:56:56" (1/1) ... [2018-11-28 23:56:56,948 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:56:56" (1/1) ... [2018-11-28 23:56:56,976 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:56:56" (1/1) ... [2018-11-28 23:56:57,006 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:56:56" (1/1) ... [2018-11-28 23:56:57,013 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:56:56" (1/1) ... [2018-11-28 23:56:57,024 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 23:56:57,025 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 23:56:57,028 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 23:56:57,028 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 23:56:57,029 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:56:56" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:56:57,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 23:56:57,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 23:56:57,090 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 23:56:57,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 23:56:58,971 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 23:56:58,972 INFO L280 CfgBuilder]: Removed 280 assue(true) statements. [2018-11-28 23:56:58,972 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:56:58 BoogieIcfgContainer [2018-11-28 23:56:58,972 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 23:56:58,973 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-28 23:56:58,973 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-28 23:56:58,977 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-28 23:56:58,978 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:56:58,978 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 11:56:56" (1/3) ... [2018-11-28 23:56:58,979 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1955bcc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:56:58, skipping insertion in model container [2018-11-28 23:56:58,980 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:56:58,980 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:56:56" (2/3) ... [2018-11-28 23:56:58,980 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1955bcc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:56:58, skipping insertion in model container [2018-11-28 23:56:58,980 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:56:58,980 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:56:58" (3/3) ... [2018-11-28 23:56:58,982 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product54_true-unreach-call_false-termination.cil.c [2018-11-28 23:56:59,040 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 23:56:59,040 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-28 23:56:59,041 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-28 23:56:59,041 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-28 23:56:59,041 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 23:56:59,041 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 23:56:59,041 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-28 23:56:59,042 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 23:56:59,042 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-28 23:56:59,067 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 190 states. [2018-11-28 23:56:59,105 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 123 [2018-11-28 23:56:59,106 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:56:59,106 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:56:59,116 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:56:59,116 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:56:59,117 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-28 23:56:59,117 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 190 states. [2018-11-28 23:56:59,129 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 123 [2018-11-28 23:56:59,129 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:56:59,130 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:56:59,133 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:56:59,133 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:56:59,143 INFO L794 eck$LassoCheckResult]: Stem: 150#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0;call #t~string21.base, #t~string21.offset := #Ultimate.alloc(30);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(9);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(21);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(30);call #t~string25.base, #t~string25.offset := #Ultimate.alloc(9);call #t~string26.base, #t~string26.offset := #Ultimate.alloc(21);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(25);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(30);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(9);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(25);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string47.base, #t~string47.offset := #Ultimate.alloc(13);call #t~string49.base, #t~string49.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string49.base, #t~string49.offset, 1);call write~init~int(110, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 2 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(102, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(102, #t~string51.base, 2 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 3 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string53.base, #t~string53.offset, 1);call write~init~int(80, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(117, #t~string53.base, 2 + #t~string53.offset, 1);call write~init~int(109, #t~string53.base, 3 + #t~string53.offset, 1);call write~init~int(112, #t~string53.base, 4 + #t~string53.offset, 1);call write~init~int(58, #t~string53.base, 5 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 6 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(110, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 3 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string59.base, #t~string59.offset, 1);call write~init~int(32, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 2 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string61.base, #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 1 + #t~string61.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string65.base, #t~string65.offset := #Ultimate.alloc(13);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(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.alloc(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.alloc(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.alloc(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); 14#L-1true havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; 153#L985true 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; 175#L993true main_#t~ret0 := valid_product_#res;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 152#L132true assume 0 != main_~tmp~0; 38#L103true ~methAndRunningLastTime~0 := 0; 67#L155true havoc test_#t~nondet38, test_#t~nondet39, test_#t~nondet40, test_#t~nondet41, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 65#L166-1true [2018-11-28 23:56:59,144 INFO L796 eck$LassoCheckResult]: Loop: 65#L166-1true assume !false; 9#L566true assume test_~splverifierCounter~0 < 4; 145#L567true test_~tmp~5 := test_#t~nondet38;havoc test_#t~nondet38; 161#L575true assume !(0 != test_~tmp~5); 149#L575-1true test_~tmp___0~1 := test_#t~nondet39;havoc test_#t~nondet39; 16#L585true assume !(0 != test_~tmp___0~1); 20#L585-1true test_~tmp___2~0 := test_#t~nondet40;havoc test_#t~nondet40; 117#L595true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 126#L603-2true assume !(0 != ~pumpRunning~0); 189#L635true assume !(0 != ~systemActive~0); 105#L642true havoc __utac_acc__Specification2_spec__2_#t~ret1, __utac_acc__Specification2_spec__2_#t~ret2, __utac_acc__Specification2_spec__2_~tmp~1, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~8;havoc isMethaneLevelCritical_~retValue_acc~8;isMethaneLevelCritical_~retValue_acc~8 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~8; 138#L903-1true __utac_acc__Specification2_spec__2_#t~ret1 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~1 := __utac_acc__Specification2_spec__2_#t~ret1;havoc __utac_acc__Specification2_spec__2_#t~ret1; 69#L166true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1);~methAndRunningLastTime~0 := 0; 65#L166-1true [2018-11-28 23:56:59,158 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:56:59,159 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2018-11-28 23:56:59,160 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:56:59,161 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:56:59,208 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:56:59,208 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:56:59,209 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:56:59,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:56:59,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:56:59,464 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:56:59,465 INFO L82 PathProgramCache]: Analyzing trace with hash 8756043, now seen corresponding path program 1 times [2018-11-28 23:56:59,465 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:56:59,465 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:56:59,466 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:56:59,466 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:56:59,466 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:56:59,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:56:59,527 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 23:56:59,529 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 23:56:59,529 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 23:56:59,533 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-28 23:56:59,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 23:56:59,553 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 23:56:59,555 INFO L87 Difference]: Start difference. First operand 190 states. Second operand 3 states. [2018-11-28 23:56:59,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 23:56:59,685 INFO L93 Difference]: Finished difference Result 190 states and 282 transitions. [2018-11-28 23:56:59,686 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 23:56:59,689 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 190 states and 282 transitions. [2018-11-28 23:56:59,705 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 121 [2018-11-28 23:56:59,723 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 190 states to 183 states and 274 transitions. [2018-11-28 23:56:59,725 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 183 [2018-11-28 23:56:59,726 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 183 [2018-11-28 23:56:59,727 INFO L73 IsDeterministic]: Start isDeterministic. Operand 183 states and 274 transitions. [2018-11-28 23:56:59,733 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 23:56:59,733 INFO L705 BuchiCegarLoop]: Abstraction has 183 states and 274 transitions. [2018-11-28 23:56:59,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states and 274 transitions. [2018-11-28 23:56:59,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 183. [2018-11-28 23:56:59,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 183 states. [2018-11-28 23:56:59,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 274 transitions. [2018-11-28 23:56:59,801 INFO L728 BuchiCegarLoop]: Abstraction has 183 states and 274 transitions. [2018-11-28 23:56:59,801 INFO L608 BuchiCegarLoop]: Abstraction has 183 states and 274 transitions. [2018-11-28 23:56:59,801 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-28 23:56:59,801 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 183 states and 274 transitions. [2018-11-28 23:56:59,804 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 121 [2018-11-28 23:56:59,809 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:56:59,809 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:56:59,810 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:56:59,811 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 23:56:59,811 INFO L794 eck$LassoCheckResult]: Stem: 564#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0;call #t~string21.base, #t~string21.offset := #Ultimate.alloc(30);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(9);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(21);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(30);call #t~string25.base, #t~string25.offset := #Ultimate.alloc(9);call #t~string26.base, #t~string26.offset := #Ultimate.alloc(21);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(25);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(30);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(9);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(25);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string47.base, #t~string47.offset := #Ultimate.alloc(13);call #t~string49.base, #t~string49.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string49.base, #t~string49.offset, 1);call write~init~int(110, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 2 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(102, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(102, #t~string51.base, 2 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 3 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string53.base, #t~string53.offset, 1);call write~init~int(80, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(117, #t~string53.base, 2 + #t~string53.offset, 1);call write~init~int(109, #t~string53.base, 3 + #t~string53.offset, 1);call write~init~int(112, #t~string53.base, 4 + #t~string53.offset, 1);call write~init~int(58, #t~string53.base, 5 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 6 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(110, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 3 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string59.base, #t~string59.offset, 1);call write~init~int(32, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 2 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string61.base, #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 1 + #t~string61.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string65.base, #t~string65.offset := #Ultimate.alloc(13);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(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.alloc(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.alloc(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.alloc(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); 413#L-1 havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; 414#L985 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; 566#L993 main_#t~ret0 := valid_product_#res;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 565#L132 assume 0 != main_~tmp~0; 453#L103 ~methAndRunningLastTime~0 := 0; 454#L155 havoc test_#t~nondet38, test_#t~nondet39, test_#t~nondet40, test_#t~nondet41, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 491#L166-1 [2018-11-28 23:56:59,811 INFO L796 eck$LassoCheckResult]: Loop: 491#L166-1 assume !false; 401#L566 assume test_~splverifierCounter~0 < 4; 402#L567 test_~tmp~5 := test_#t~nondet38;havoc test_#t~nondet38; 563#L575 assume !(0 != test_~tmp~5); 562#L575-1 test_~tmp___0~1 := test_#t~nondet39;havoc test_#t~nondet39; 417#L585 assume !(0 != test_~tmp___0~1); 419#L585-1 test_~tmp___2~0 := test_#t~nondet40;havoc test_#t~nondet40; 423#L595 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 543#L603-2 assume !(0 != ~pumpRunning~0); 396#L635 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret44, processEnvironment_~tmp~8;havoc processEnvironment_~tmp~8; 551#L719 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__lowWaterSensor_#t~ret43, processEnvironment__wrappee__lowWaterSensor_~tmp~7;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~7; 552#L693-1 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret42, processEnvironment__wrappee__highWaterSensor_~tmp~6;havoc processEnvironment__wrappee__highWaterSensor_~tmp~6; 492#L667-3 assume !(0 == ~pumpRunning~0); 486#L642 havoc __utac_acc__Specification2_spec__2_#t~ret1, __utac_acc__Specification2_spec__2_#t~ret2, __utac_acc__Specification2_spec__2_~tmp~1, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~8;havoc isMethaneLevelCritical_~retValue_acc~8;isMethaneLevelCritical_~retValue_acc~8 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~8; 533#L903-1 __utac_acc__Specification2_spec__2_#t~ret1 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~1 := __utac_acc__Specification2_spec__2_#t~ret1;havoc __utac_acc__Specification2_spec__2_#t~ret1; 495#L166 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1);~methAndRunningLastTime~0 := 0; 491#L166-1 [2018-11-28 23:56:59,812 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:56:59,812 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2018-11-28 23:56:59,812 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:56:59,812 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:56:59,815 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:56:59,815 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:56:59,815 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:56:59,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:56:59,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:56:59,945 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:56:59,945 INFO L82 PathProgramCache]: Analyzing trace with hash 761854716, now seen corresponding path program 1 times [2018-11-28 23:56:59,945 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:56:59,946 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:56:59,947 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:56:59,947 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 23:56:59,947 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:56:59,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:57:00,006 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 23:57:00,008 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 23:57:00,008 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 23:57:00,009 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-28 23:57:00,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 23:57:00,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 23:57:00,009 INFO L87 Difference]: Start difference. First operand 183 states and 274 transitions. cyclomatic complexity: 93 Second operand 3 states. [2018-11-28 23:57:00,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 23:57:00,582 INFO L93 Difference]: Finished difference Result 191 states and 268 transitions. [2018-11-28 23:57:00,584 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 23:57:00,585 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 191 states and 268 transitions. [2018-11-28 23:57:00,588 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 130 [2018-11-28 23:57:00,591 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 191 states to 191 states and 268 transitions. [2018-11-28 23:57:00,591 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 191 [2018-11-28 23:57:00,592 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 191 [2018-11-28 23:57:00,592 INFO L73 IsDeterministic]: Start isDeterministic. Operand 191 states and 268 transitions. [2018-11-28 23:57:00,595 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 23:57:00,595 INFO L705 BuchiCegarLoop]: Abstraction has 191 states and 268 transitions. [2018-11-28 23:57:00,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states and 268 transitions. [2018-11-28 23:57:00,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 191. [2018-11-28 23:57:00,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 191 states. [2018-11-28 23:57:00,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 268 transitions. [2018-11-28 23:57:00,608 INFO L728 BuchiCegarLoop]: Abstraction has 191 states and 268 transitions. [2018-11-28 23:57:00,608 INFO L608 BuchiCegarLoop]: Abstraction has 191 states and 268 transitions. [2018-11-28 23:57:00,608 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-28 23:57:00,608 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 191 states and 268 transitions. [2018-11-28 23:57:00,610 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 130 [2018-11-28 23:57:00,610 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:57:00,610 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:57:00,612 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:57:00,613 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 23:57:00,613 INFO L794 eck$LassoCheckResult]: Stem: 913#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0;call #t~string21.base, #t~string21.offset := #Ultimate.alloc(30);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(9);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(21);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(30);call #t~string25.base, #t~string25.offset := #Ultimate.alloc(9);call #t~string26.base, #t~string26.offset := #Ultimate.alloc(21);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(25);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(30);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(9);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(25);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string47.base, #t~string47.offset := #Ultimate.alloc(13);call #t~string49.base, #t~string49.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string49.base, #t~string49.offset, 1);call write~init~int(110, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 2 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(102, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(102, #t~string51.base, 2 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 3 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string53.base, #t~string53.offset, 1);call write~init~int(80, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(117, #t~string53.base, 2 + #t~string53.offset, 1);call write~init~int(109, #t~string53.base, 3 + #t~string53.offset, 1);call write~init~int(112, #t~string53.base, 4 + #t~string53.offset, 1);call write~init~int(58, #t~string53.base, 5 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 6 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(110, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 3 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string59.base, #t~string59.offset, 1);call write~init~int(32, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 2 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string61.base, #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 1 + #t~string61.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string65.base, #t~string65.offset := #Ultimate.alloc(13);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(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.alloc(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.alloc(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.alloc(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); 786#L-1 havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; 787#L985 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; 915#L993 main_#t~ret0 := valid_product_#res;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 914#L132 assume 0 != main_~tmp~0; 822#L103 ~methAndRunningLastTime~0 := 0; 823#L155 havoc test_#t~nondet38, test_#t~nondet39, test_#t~nondet40, test_#t~nondet41, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 846#L166-1 [2018-11-28 23:57:00,613 INFO L796 eck$LassoCheckResult]: Loop: 846#L166-1 assume !false; 777#L566 assume test_~splverifierCounter~0 < 4; 778#L567 test_~tmp~5 := test_#t~nondet38;havoc test_#t~nondet38; 959#L575 assume !(0 != test_~tmp~5); 957#L575-1 test_~tmp___0~1 := test_#t~nondet39;havoc test_#t~nondet39; 956#L585 assume !(0 != test_~tmp___0~1); 798#L585-1 test_~tmp___2~0 := test_#t~nondet40;havoc test_#t~nondet40; 799#L595 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 892#L603-2 assume !(0 != ~pumpRunning~0); 901#L635 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret44, processEnvironment_~tmp~8;havoc processEnvironment_~tmp~8; 899#L719 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__lowWaterSensor_#t~ret43, processEnvironment__wrappee__lowWaterSensor_~tmp~7;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~7; 900#L693-1 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret42, processEnvironment__wrappee__highWaterSensor_~tmp~6;havoc processEnvironment__wrappee__highWaterSensor_~tmp~6; 849#L667-3 assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret62, isHighWaterLevel_~retValue_acc~6, isHighWaterLevel_~tmp~9, isHighWaterLevel_~tmp___0~2;havoc isHighWaterLevel_~retValue_acc~6;havoc isHighWaterLevel_~tmp~9;havoc isHighWaterLevel_~tmp___0~2;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~10;havoc isHighWaterSensorDry_~retValue_acc~10; 775#L943-3 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~10 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~10; 776#L948-3 isHighWaterLevel_#t~ret62 := isHighWaterSensorDry_#res;isHighWaterLevel_~tmp~9 := isHighWaterLevel_#t~ret62;havoc isHighWaterLevel_#t~ret62; 838#L821-9 assume 0 != isHighWaterLevel_~tmp~9;isHighWaterLevel_~tmp___0~2 := 0; 853#L821-11 isHighWaterLevel_~retValue_acc~6 := isHighWaterLevel_~tmp___0~2;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~6; 814#L827-3 processEnvironment__wrappee__highWaterSensor_#t~ret42 := isHighWaterLevel_#res;processEnvironment__wrappee__highWaterSensor_~tmp~6 := processEnvironment__wrappee__highWaterSensor_#t~ret42;havoc processEnvironment__wrappee__highWaterSensor_#t~ret42; 815#L671-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~6); 876#L642 havoc __utac_acc__Specification2_spec__2_#t~ret1, __utac_acc__Specification2_spec__2_#t~ret2, __utac_acc__Specification2_spec__2_~tmp~1, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~8;havoc isMethaneLevelCritical_~retValue_acc~8;isMethaneLevelCritical_~retValue_acc~8 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~8; 881#L903-1 __utac_acc__Specification2_spec__2_#t~ret1 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~1 := __utac_acc__Specification2_spec__2_#t~ret1;havoc __utac_acc__Specification2_spec__2_#t~ret1; 850#L166 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1);~methAndRunningLastTime~0 := 0; 846#L166-1 [2018-11-28 23:57:00,619 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:57:00,619 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 3 times [2018-11-28 23:57:00,619 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:57:00,619 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:57:00,620 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:57:00,621 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:57:00,621 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:57:00,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:57:00,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:57:00,683 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:57:00,683 INFO L82 PathProgramCache]: Analyzing trace with hash 855373672, now seen corresponding path program 1 times [2018-11-28 23:57:00,684 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:57:00,684 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:57:00,684 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:57:00,686 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 23:57:00,686 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:57:00,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:57:00,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:57:00,704 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:57:00,704 INFO L82 PathProgramCache]: Analyzing trace with hash -11810770, now seen corresponding path program 1 times [2018-11-28 23:57:00,704 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:57:00,704 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:57:00,705 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:57:00,705 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:57:00,705 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:57:00,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:57:00,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:57:01,453 WARN L180 SmtUtils]: Spent 642.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 50 [2018-11-28 23:57:01,621 WARN L180 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2018-11-28 23:57:10,395 WARN L180 SmtUtils]: Spent 8.75 s on a formula simplification. DAG size of input: 429 DAG size of output: 427 [2018-11-28 23:57:14,459 WARN L180 SmtUtils]: Spent 4.05 s on a formula simplification that was a NOOP. DAG size: 425 [2018-11-28 23:57:14,523 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 11:57:14 BoogieIcfgContainer [2018-11-28 23:57:14,524 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-28 23:57:14,524 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 23:57:14,524 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 23:57:14,524 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 23:57:14,525 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:56:58" (3/4) ... [2018-11-28 23:57:14,530 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-28 23:57:14,618 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 23:57:14,618 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 23:57:14,619 INFO L168 Benchmark]: Toolchain (without parser) took 18584.19 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 303.0 MB). Free memory was 951.3 MB in the beginning and 903.0 MB in the end (delta: 48.4 MB). Peak memory consumption was 351.4 MB. Max. memory is 11.5 GB. [2018-11-28 23:57:14,620 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:57:14,620 INFO L168 Benchmark]: CACSL2BoogieTranslator took 777.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -180.7 MB). Peak memory consumption was 38.2 MB. Max. memory is 11.5 GB. [2018-11-28 23:57:14,621 INFO L168 Benchmark]: Boogie Procedure Inliner took 93.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-11-28 23:57:14,621 INFO L168 Benchmark]: Boogie Preprocessor took 114.60 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: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. [2018-11-28 23:57:14,625 INFO L168 Benchmark]: RCFGBuilder took 1948.07 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: 72.9 MB). Peak memory consumption was 72.9 MB. Max. memory is 11.5 GB. [2018-11-28 23:57:14,625 INFO L168 Benchmark]: BuchiAutomizer took 15550.49 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 169.9 MB). Free memory was 1.0 GB in the beginning and 903.0 MB in the end (delta: 130.6 MB). Peak memory consumption was 317.3 MB. Max. memory is 11.5 GB. [2018-11-28 23:57:14,626 INFO L168 Benchmark]: Witness Printer took 93.89 ms. Allocated memory is still 1.3 GB. Free memory was 903.0 MB in the beginning and 903.0 MB in the end (delta: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. [2018-11-28 23:57:14,639 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 777.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -180.7 MB). Peak memory consumption was 38.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 93.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 114.60 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: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1948.07 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: 72.9 MB). Peak memory consumption was 72.9 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 15550.49 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 169.9 MB). Free memory was 1.0 GB in the beginning and 903.0 MB in the end (delta: 130.6 MB). Peak memory consumption was 317.3 MB. Max. memory is 11.5 GB. * Witness Printer took 93.89 ms. Allocated memory is still 1.3 GB. Free memory was 903.0 MB in the beginning and 903.0 MB in the end (delta: 24 B). Peak memory consumption was 24 B. 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 191 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 15.4s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 14.4s. Construction of modules took 0.5s. 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 191 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 485 SDtfs, 418 SDslu, 81 SDs, 0 SdLazy, 45 SolverSat, 35 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s 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: 565]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {NULL=0, NULL=0, NULL=20, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4e0c6887=0, NULL=34, NULL=0, retValue_acc=1, methaneLevelCritical=0, tmp___0=0, tmp=0, NULL=0, NULL=0, tmp=0, NULL=40, NULL=0, tmp___1=0, retValue_acc=0, NULL=11, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@533aa280=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@652e16e9=0, cleanupTimeShifts=4, NULL=16, NULL=28, NULL=39, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@563f1251=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@27f06a6a=0, tmp=0, NULL=14, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@22ad788d=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@cf80af8=56, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@33e43df0=0, systemActive=1, waterLevel=1, NULL=12, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@143b2425=0, retValue_acc=0, NULL=0, \result=0, NULL=17, NULL=0, NULL=0, NULL=0, \result=1, head=0, pumpRunning=0, tmp=1, NULL=19, NULL=35, \result=0, NULL=36, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1c2a5769=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@15bf50b6=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=23, \result=1, tmp___0=0, NULL=38, NULL=29, NULL=27, NULL=0, NULL=0, tmp___2=56, NULL=15, tmp___0=0, NULL=31, retValue_acc=1, splverifierCounter=0, NULL=0, tmp=1, methAndRunningLastTime=0, \result=0, NULL=18, NULL=24, head=0, NULL=0, NULL=33, NULL=0, NULL=37, tmp=0, NULL=0, tmp=0, NULL=0, NULL=22, NULL=26} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L40] int cleanupTimeShifts = 4; [L149] int methAndRunningLastTime ; [L357] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L628] int pumpRunning = 0; [L629] int systemActive = 1; [L860] int waterLevel = 1; [L861] int methaneLevelCritical = 0; [L123] int retValue_acc ; [L124] int tmp ; [L989] int retValue_acc ; [L992] retValue_acc = 1 [L993] return (retValue_acc); [L130] tmp = valid_product() [L132] COND TRUE \read(tmp) [L154] methAndRunningLastTime = 0 [L556] int splverifierCounter ; [L557] int tmp ; [L558] int tmp___0 ; [L559] int tmp___1 ; [L560] int tmp___2 ; [L563] splverifierCounter = 0 Loop: [L565] COND TRUE 1 [L567] COND TRUE splverifierCounter < 4 [L573] tmp = __VERIFIER_nondet_int() [L575] COND FALSE !(\read(tmp)) [L583] tmp___0 = __VERIFIER_nondet_int() [L585] COND FALSE !(\read(tmp___0)) [L593] tmp___2 = __VERIFIER_nondet_int() [L595] COND TRUE \read(tmp___2) [L854] systemActive = 1 [L635] COND FALSE !(\read(pumpRunning)) [L642] COND TRUE \read(systemActive) [L716] int tmp ; [L719] COND FALSE !(\read(pumpRunning)) [L690] int tmp ; [L693] COND FALSE !(\read(pumpRunning)) [L664] int tmp ; [L667] COND TRUE ! pumpRunning [L813] int retValue_acc ; [L814] int tmp ; [L815] int tmp___0 ; [L940] int retValue_acc ; [L943] COND TRUE waterLevel < 2 [L944] retValue_acc = 1 [L945] return (retValue_acc); [L819] tmp = isHighWaterSensorDry() [L821] COND TRUE \read(tmp) [L822] tmp___0 = 0 [L826] retValue_acc = tmp___0 [L827] return (retValue_acc); [L669] tmp = isHighWaterLevel() [L671] COND FALSE !(\read(tmp)) [L159] int tmp ; [L160] int tmp___0 ; [L899] int retValue_acc ; [L902] retValue_acc = methaneLevelCritical [L903] return (retValue_acc); [L164] tmp = isMethaneLevelCritical() [L166] COND FALSE !(\read(tmp)) [L182] methAndRunningLastTime = 0 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...