./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec2_product28_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0ed9222f Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i /storage/repos/svcomp/c/product-lines/minepump_spec2_product28_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 1165f07e3d74a20c4613b7b4bc48cc7f6e23e78e .............................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.24-0ed9222-m [2019-01-14 04:19:15,913 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-14 04:19:15,917 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-14 04:19:15,933 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-14 04:19:15,933 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-14 04:19:15,935 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-14 04:19:15,936 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-14 04:19:15,938 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-14 04:19:15,940 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-14 04:19:15,940 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-14 04:19:15,941 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-14 04:19:15,941 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-14 04:19:15,942 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-14 04:19:15,943 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-14 04:19:15,944 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-14 04:19:15,945 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-14 04:19:15,946 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-14 04:19:15,948 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-14 04:19:15,950 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-14 04:19:15,952 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-14 04:19:15,953 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-14 04:19:15,954 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-14 04:19:15,957 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-14 04:19:15,957 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-14 04:19:15,958 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-14 04:19:15,959 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-14 04:19:15,960 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-14 04:19:15,961 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-14 04:19:15,961 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-14 04:19:15,962 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-14 04:19:15,963 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-14 04:19:15,963 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-14 04:19:15,964 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-14 04:19:15,964 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-14 04:19:15,965 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-14 04:19:15,966 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-14 04:19:15,966 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-01-14 04:19:15,982 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-14 04:19:15,983 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-14 04:19:15,984 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-14 04:19:15,984 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-14 04:19:15,984 INFO L133 SettingsManager]: * Use SBE=true [2019-01-14 04:19:15,985 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-01-14 04:19:15,985 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-01-14 04:19:15,985 INFO L133 SettingsManager]: * Use old map elimination=false [2019-01-14 04:19:15,985 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2019-01-14 04:19:15,985 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2019-01-14 04:19:15,985 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-01-14 04:19:15,986 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-14 04:19:15,986 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-14 04:19:15,986 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-14 04:19:15,986 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-14 04:19:15,986 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-14 04:19:15,986 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-14 04:19:15,987 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-01-14 04:19:15,987 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-01-14 04:19:15,987 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-01-14 04:19:15,987 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-14 04:19:15,987 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-14 04:19:15,988 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-01-14 04:19:15,988 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-14 04:19:15,988 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-01-14 04:19:15,988 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-14 04:19:15,988 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-14 04:19:15,988 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-01-14 04:19:15,989 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-14 04:19:15,989 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-14 04:19:15,989 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-01-14 04:19:15,990 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-01-14 04:19:15,990 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 -> 1165f07e3d74a20c4613b7b4bc48cc7f6e23e78e [2019-01-14 04:19:16,023 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-14 04:19:16,035 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-14 04:19:16,038 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-14 04:19:16,040 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-14 04:19:16,040 INFO L276 PluginConnector]: CDTParser initialized [2019-01-14 04:19:16,041 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec2_product28_true-unreach-call_false-termination.cil.c [2019-01-14 04:19:16,096 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1502a826/c38c9696d39e4837b37bbd8b7e3eb287/FLAG6e5be45f0 [2019-01-14 04:19:16,629 INFO L307 CDTParser]: Found 1 translation units. [2019-01-14 04:19:16,629 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec2_product28_true-unreach-call_false-termination.cil.c [2019-01-14 04:19:16,642 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1502a826/c38c9696d39e4837b37bbd8b7e3eb287/FLAG6e5be45f0 [2019-01-14 04:19:16,953 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1502a826/c38c9696d39e4837b37bbd8b7e3eb287 [2019-01-14 04:19:16,957 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-14 04:19:16,958 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-14 04:19:16,960 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-14 04:19:16,960 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-14 04:19:16,965 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-14 04:19:16,966 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 04:19:16" (1/1) ... [2019-01-14 04:19:16,969 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d680728 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:19:16, skipping insertion in model container [2019-01-14 04:19:16,970 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 04:19:16" (1/1) ... [2019-01-14 04:19:16,978 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-14 04:19:17,031 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-14 04:19:17,432 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 04:19:17,463 INFO L191 MainTranslator]: Completed pre-run [2019-01-14 04:19:17,602 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 04:19:17,738 INFO L195 MainTranslator]: Completed translation [2019-01-14 04:19:17,739 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:19:17 WrapperNode [2019-01-14 04:19:17,739 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-14 04:19:17,740 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-14 04:19:17,740 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-14 04:19:17,740 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-14 04:19:17,751 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:19:17" (1/1) ... [2019-01-14 04:19:17,784 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:19:17" (1/1) ... [2019-01-14 04:19:17,840 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-14 04:19:17,842 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-14 04:19:17,842 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-14 04:19:17,842 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-14 04:19:17,854 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:19:17" (1/1) ... [2019-01-14 04:19:17,854 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:19:17" (1/1) ... [2019-01-14 04:19:17,857 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:19:17" (1/1) ... [2019-01-14 04:19:17,857 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:19:17" (1/1) ... [2019-01-14 04:19:17,866 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:19:17" (1/1) ... [2019-01-14 04:19:17,874 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:19:17" (1/1) ... [2019-01-14 04:19:17,876 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:19:17" (1/1) ... [2019-01-14 04:19:17,879 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-14 04:19:17,880 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-14 04:19:17,880 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-14 04:19:17,880 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-14 04:19:17,881 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:19:17" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 04:19:17,944 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-14 04:19:17,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-01-14 04:19:17,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-14 04:19:17,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-14 04:19:19,168 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-14 04:19:19,169 INFO L286 CfgBuilder]: Removed 104 assue(true) statements. [2019-01-14 04:19:19,170 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 04:19:19 BoogieIcfgContainer [2019-01-14 04:19:19,170 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-14 04:19:19,171 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-01-14 04:19:19,171 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-01-14 04:19:19,174 INFO L276 PluginConnector]: BuchiAutomizer initialized [2019-01-14 04:19:19,175 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 04:19:19,176 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 14.01 04:19:16" (1/3) ... [2019-01-14 04:19:19,177 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1ee4ba37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.01 04:19:19, skipping insertion in model container [2019-01-14 04:19:19,177 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 04:19:19,177 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:19:17" (2/3) ... [2019-01-14 04:19:19,178 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1ee4ba37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.01 04:19:19, skipping insertion in model container [2019-01-14 04:19:19,178 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 04:19:19,178 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 04:19:19" (3/3) ... [2019-01-14 04:19:19,180 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product28_true-unreach-call_false-termination.cil.c [2019-01-14 04:19:19,241 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-14 04:19:19,242 INFO L374 BuchiCegarLoop]: Interprodecural is true [2019-01-14 04:19:19,242 INFO L375 BuchiCegarLoop]: Hoare is false [2019-01-14 04:19:19,242 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-01-14 04:19:19,243 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-14 04:19:19,243 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-14 04:19:19,243 INFO L379 BuchiCegarLoop]: Difference is false [2019-01-14 04:19:19,243 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-14 04:19:19,243 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-01-14 04:19:19,269 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 78 states. [2019-01-14 04:19:19,296 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 49 [2019-01-14 04:19:19,296 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 04:19:19,296 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 04:19:19,304 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:19:19,304 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:19:19,305 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2019-01-14 04:19:19,305 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 78 states. [2019-01-14 04:19:19,311 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 49 [2019-01-14 04:19:19,311 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 04:19:19,312 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 04:19:19,312 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:19:19,313 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:19:19,319 INFO L794 eck$LassoCheckResult]: Stem: 34#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string2.base, #t~string2.offset := #Ultimate.allocOnStack(13);call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string4.base, #t~string4.offset, 1);call write~init~int(77, #t~string4.base, 1 + #t~string4.offset, 1);call write~init~int(101, #t~string4.base, 2 + #t~string4.offset, 1);call write~init~int(116, #t~string4.base, 3 + #t~string4.offset, 1);call write~init~int(104, #t~string4.base, 4 + #t~string4.offset, 1);call write~init~int(58, #t~string4.base, 5 + #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 6 + #t~string4.offset, 1);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string6.base, #t~string6.offset, 1);call write~init~int(82, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(73, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(84, #t~string6.base, 3 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 4 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(75, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 2 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string10.base, #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 1 + #t~string10.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(13);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(110, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 3 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string21.base, #t~string21.offset, 1);call write~init~int(80, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(117, #t~string21.base, 2 + #t~string21.offset, 1);call write~init~int(109, #t~string21.base, 3 + #t~string21.offset, 1);call write~init~int(112, #t~string21.base, 4 + #t~string21.offset, 1);call write~init~int(58, #t~string21.base, 5 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 6 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string23.base, #t~string23.offset, 1);call write~init~int(110, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 2 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string25.base, #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 2 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 3 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string27.base, #t~string27.offset, 1);call write~init~int(32, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 2 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string29.base, #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 1 + #t~string29.offset, 1);~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(21);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(30);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(9);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(21);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(25);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(30);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(9);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(25); 17#L-1true havoc main_#res;havoc main_#t~ret37, main_~retValue_acc~8, main_~tmp~5;havoc main_~retValue_acc~8;havoc main_~tmp~5; 20#L65true 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; 15#L73true main_#t~ret37 := valid_product_#res;main_~tmp~5 := main_#t~ret37;havoc main_#t~ret37; 70#L576true assume 0 != main_~tmp~5; 19#L552true ~methAndRunningLastTime~0 := 0; 9#L460true havoc test_#t~nondet31, test_#t~nondet32, test_#t~nondet33, test_#t~nondet34, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 10#L471-1true [2019-01-14 04:19:19,319 INFO L796 eck$LassoCheckResult]: Loop: 10#L471-1true assume !false; 47#L396true assume test_~splverifierCounter~0 < 4; 64#L397true test_~tmp~3 := test_#t~nondet31;havoc test_#t~nondet31; 13#L405true assume !(0 != test_~tmp~3); 73#L405-1true test_~tmp___0~1 := test_#t~nondet32;havoc test_#t~nondet32; 72#L415true assume !(0 != test_~tmp___0~1); 52#L415-1true test_~tmp___2~0 := test_#t~nondet33;havoc test_#t~nondet33; 32#L425true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 58#L433-1true assume !(0 != ~pumpRunning~0); 30#L198true assume !(0 != ~systemActive~0); 38#L205true havoc __utac_acc__Specification2_spec__2_#t~ret35, __utac_acc__Specification2_spec__2_#t~ret36, __utac_acc__Specification2_spec__2_~tmp~4, __utac_acc__Specification2_spec__2_~tmp___0~2;havoc __utac_acc__Specification2_spec__2_~tmp~4;havoc __utac_acc__Specification2_spec__2_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~2;havoc isMethaneLevelCritical_~retValue_acc~2;isMethaneLevelCritical_~retValue_acc~2 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~2; 51#L137true __utac_acc__Specification2_spec__2_#t~ret35 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~4 := __utac_acc__Specification2_spec__2_#t~ret35;havoc __utac_acc__Specification2_spec__2_#t~ret35; 7#L471true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~4);~methAndRunningLastTime~0 := 0; 10#L471-1true [2019-01-14 04:19:19,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:19:19,326 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2019-01-14 04:19:19,328 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:19:19,329 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:19:19,374 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:19:19,374 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:19:19,375 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:19:19,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:19:20,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:19:20,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:19:20,090 INFO L82 PathProgramCache]: Analyzing trace with hash 12142292, now seen corresponding path program 1 times [2019-01-14 04:19:20,090 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:19:20,090 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:19:20,091 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:19:20,092 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:19:20,092 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:19:20,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 04:19:20,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 04:19:20,162 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 04:19:20,162 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-14 04:19:20,166 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-01-14 04:19:20,180 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-14 04:19:20,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-14 04:19:20,183 INFO L87 Difference]: Start difference. First operand 78 states. Second operand 3 states. [2019-01-14 04:19:20,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 04:19:20,371 INFO L93 Difference]: Finished difference Result 149 states and 211 transitions. [2019-01-14 04:19:20,372 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-14 04:19:20,374 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 149 states and 211 transitions. [2019-01-14 04:19:20,382 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 94 [2019-01-14 04:19:20,389 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 149 states to 135 states and 196 transitions. [2019-01-14 04:19:20,391 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 135 [2019-01-14 04:19:20,392 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 135 [2019-01-14 04:19:20,393 INFO L73 IsDeterministic]: Start isDeterministic. Operand 135 states and 196 transitions. [2019-01-14 04:19:20,394 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-01-14 04:19:20,395 INFO L706 BuchiCegarLoop]: Abstraction has 135 states and 196 transitions. [2019-01-14 04:19:20,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states and 196 transitions. [2019-01-14 04:19:20,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 133. [2019-01-14 04:19:20,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2019-01-14 04:19:20,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 193 transitions. [2019-01-14 04:19:20,436 INFO L729 BuchiCegarLoop]: Abstraction has 133 states and 193 transitions. [2019-01-14 04:19:20,436 INFO L609 BuchiCegarLoop]: Abstraction has 133 states and 193 transitions. [2019-01-14 04:19:20,436 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2019-01-14 04:19:20,436 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 133 states and 193 transitions. [2019-01-14 04:19:20,440 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 92 [2019-01-14 04:19:20,440 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 04:19:20,440 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 04:19:20,441 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:19:20,441 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:19:20,442 INFO L794 eck$LassoCheckResult]: Stem: 288#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string2.base, #t~string2.offset := #Ultimate.allocOnStack(13);call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string4.base, #t~string4.offset, 1);call write~init~int(77, #t~string4.base, 1 + #t~string4.offset, 1);call write~init~int(101, #t~string4.base, 2 + #t~string4.offset, 1);call write~init~int(116, #t~string4.base, 3 + #t~string4.offset, 1);call write~init~int(104, #t~string4.base, 4 + #t~string4.offset, 1);call write~init~int(58, #t~string4.base, 5 + #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 6 + #t~string4.offset, 1);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string6.base, #t~string6.offset, 1);call write~init~int(82, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(73, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(84, #t~string6.base, 3 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 4 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(75, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 2 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string10.base, #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 1 + #t~string10.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(13);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(110, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 3 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string21.base, #t~string21.offset, 1);call write~init~int(80, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(117, #t~string21.base, 2 + #t~string21.offset, 1);call write~init~int(109, #t~string21.base, 3 + #t~string21.offset, 1);call write~init~int(112, #t~string21.base, 4 + #t~string21.offset, 1);call write~init~int(58, #t~string21.base, 5 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 6 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string23.base, #t~string23.offset, 1);call write~init~int(110, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 2 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string25.base, #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 2 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 3 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string27.base, #t~string27.offset, 1);call write~init~int(32, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 2 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string29.base, #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 1 + #t~string29.offset, 1);~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(21);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(30);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(9);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(21);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(25);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(30);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(9);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(25); 268#L-1 havoc main_#res;havoc main_#t~ret37, main_~retValue_acc~8, main_~tmp~5;havoc main_~retValue_acc~8;havoc main_~tmp~5; 269#L65 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; 265#L73 main_#t~ret37 := valid_product_#res;main_~tmp~5 := main_#t~ret37;havoc main_#t~ret37; 266#L576 assume 0 != main_~tmp~5; 270#L552 ~methAndRunningLastTime~0 := 0; 253#L460 havoc test_#t~nondet31, test_#t~nondet32, test_#t~nondet33, test_#t~nondet34, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 254#L471-1 [2019-01-14 04:19:20,442 INFO L796 eck$LassoCheckResult]: Loop: 254#L471-1 assume !false; 322#L396 assume test_~splverifierCounter~0 < 4; 305#L397 test_~tmp~3 := test_#t~nondet31;havoc test_#t~nondet31; 260#L405 assume !(0 != test_~tmp~3); 262#L405-1 test_~tmp___0~1 := test_#t~nondet32;havoc test_#t~nondet32; 311#L415 assume !(0 != test_~tmp___0~1); 246#L415-1 test_~tmp___2~0 := test_#t~nondet33;havoc test_#t~nondet33; 284#L425 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 286#L433-1 assume !(0 != ~pumpRunning~0); 282#L198 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret11, processEnvironment_~tmp~0;havoc processEnvironment_~tmp~0; 283#L230 assume !(0 != ~pumpRunning~0); 328#L205 havoc __utac_acc__Specification2_spec__2_#t~ret35, __utac_acc__Specification2_spec__2_#t~ret36, __utac_acc__Specification2_spec__2_~tmp~4, __utac_acc__Specification2_spec__2_~tmp___0~2;havoc __utac_acc__Specification2_spec__2_~tmp~4;havoc __utac_acc__Specification2_spec__2_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~2;havoc isMethaneLevelCritical_~retValue_acc~2;isMethaneLevelCritical_~retValue_acc~2 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~2; 327#L137 __utac_acc__Specification2_spec__2_#t~ret35 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~4 := __utac_acc__Specification2_spec__2_#t~ret35;havoc __utac_acc__Specification2_spec__2_#t~ret35; 325#L471 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~4);~methAndRunningLastTime~0 := 0; 254#L471-1 [2019-01-14 04:19:20,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:19:20,442 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2019-01-14 04:19:20,443 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:19:20,443 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:19:20,448 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:19:20,448 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:19:20,448 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:19:20,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:19:20,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:19:20,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:19:20,781 INFO L82 PathProgramCache]: Analyzing trace with hash 349417953, now seen corresponding path program 1 times [2019-01-14 04:19:20,781 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:19:20,781 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:19:20,782 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:19:20,782 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-14 04:19:20,783 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:19:20,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:19:20,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:19:20,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:19:20,796 INFO L82 PathProgramCache]: Analyzing trace with hash 411805863, now seen corresponding path program 1 times [2019-01-14 04:19:20,796 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:19:20,796 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:19:20,797 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:19:20,797 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:19:20,797 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:19:20,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:19:21,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:19:21,859 WARN L181 SmtUtils]: Spent 696.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2019-01-14 04:19:21,995 WARN L181 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2019-01-14 04:19:45,515 WARN L181 SmtUtils]: Spent 23.49 s on a formula simplification. DAG size of input: 455 DAG size of output: 453 [2019-01-14 04:19:56,762 WARN L181 SmtUtils]: Spent 11.23 s on a formula simplification that was a NOOP. DAG size: 451 [2019-01-14 04:19:56,850 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 14.01 04:19:56 BoogieIcfgContainer [2019-01-14 04:19:56,852 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-01-14 04:19:56,855 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-14 04:19:56,856 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-14 04:19:56,856 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-14 04:19:56,857 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 04:19:19" (3/4) ... [2019-01-14 04:19:56,862 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2019-01-14 04:19:56,945 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-14 04:19:56,945 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-14 04:19:56,946 INFO L168 Benchmark]: Toolchain (without parser) took 39988.49 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 288.9 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -101.0 MB). Peak memory consumption was 187.9 MB. Max. memory is 11.5 GB. [2019-01-14 04:19:56,948 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 04:19:56,948 INFO L168 Benchmark]: CACSL2BoogieTranslator took 779.98 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.9 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -157.2 MB). Peak memory consumption was 43.5 MB. Max. memory is 11.5 GB. [2019-01-14 04:19:56,949 INFO L168 Benchmark]: Boogie Procedure Inliner took 101.55 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-01-14 04:19:56,951 INFO L168 Benchmark]: Boogie Preprocessor took 37.71 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 04:19:56,951 INFO L168 Benchmark]: RCFGBuilder took 1290.31 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 54.9 MB). Peak memory consumption was 54.9 MB. Max. memory is 11.5 GB. [2019-01-14 04:19:56,952 INFO L168 Benchmark]: BuchiAutomizer took 37684.00 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 172.0 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -5.8 MB). Peak memory consumption was 429.8 MB. Max. memory is 11.5 GB. [2019-01-14 04:19:56,953 INFO L168 Benchmark]: Witness Printer took 89.90 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. [2019-01-14 04:19:56,958 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 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 779.98 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.9 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -157.2 MB). Peak memory consumption was 43.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 101.55 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 37.71 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1290.31 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 54.9 MB). Peak memory consumption was 54.9 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 37684.00 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 172.0 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -5.8 MB). Peak memory consumption was 429.8 MB. Max. memory is 11.5 GB. * Witness Printer took 89.90 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB 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 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 133 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 37.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 37.2s. Construction of modules took 0.1s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 133 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 108 SDtfs, 104 SDslu, 95 SDs, 0 SdLazy, 10 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI1 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: 395]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=0} State at position 1 is {NULL=-24, NULL=0, NULL=-18, NULL=0, NULL=0, NULL=0, retValue_acc=0, NULL=-10, methaneLevelCritical=0, NULL=-19, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@65662ca5=0, tmp=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=-7, NULL=0, NULL=-22, tmp___1=0, NULL=-3, NULL=-11, NULL=0, NULL=0, NULL=0, NULL=0, cleanupTimeShifts=4, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@67051c75=0, NULL=-6, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7d2986dc=0, NULL=-23, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@251c2a8=69, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=-25, NULL=-4, retValue_acc=0, NULL=0, NULL=-5, NULL=0, NULL=0, NULL=0, NULL=-21, \result=1, head=0, pumpRunning=0, NULL=-14, \result=0, NULL=-9, NULL=0, NULL=-16, NULL=0, NULL=0, tmp=1, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2c39579f=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@322aca27=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3e92cbb8=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@46b495fa=0, NULL=-17, NULL=-2, retValue_acc=1, tmp___2=69, tmp___0=0, tmp___0=0, splverifierCounter=0, NULL=0, methAndRunningLastTime=0, \result=0, NULL=-20, NULL=-8, tmp=0, NULL=-12, head=0, NULL=-1, NULL=-13, tmp=0, NULL=-15} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L94] int waterLevel = 1; [L95] int methaneLevelCritical = 0; [L190] int pumpRunning = 0; [L191] int systemActive = 1; [L454] int methAndRunningLastTime ; [L493] int cleanupTimeShifts = 4; [L759] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L567] int retValue_acc ; [L568] int tmp ; [L69] int retValue_acc ; [L72] retValue_acc = 1 [L73] return (retValue_acc); [L574] tmp = valid_product() [L576] COND TRUE \read(tmp) [L459] methAndRunningLastTime = 0 [L386] int splverifierCounter ; [L387] int tmp ; [L388] int tmp___0 ; [L389] int tmp___1 ; [L390] int tmp___2 ; [L393] splverifierCounter = 0 Loop: [L395] COND TRUE 1 [L397] COND TRUE splverifierCounter < 4 [L403] tmp = __VERIFIER_nondet_int() [L405] COND FALSE !(\read(tmp)) [L413] tmp___0 = __VERIFIER_nondet_int() [L415] COND FALSE !(\read(tmp___0)) [L423] tmp___2 = __VERIFIER_nondet_int() [L425] COND TRUE \read(tmp___2) [L379] systemActive = 1 [L198] COND FALSE !(\read(pumpRunning)) [L205] COND TRUE \read(systemActive) [L227] int tmp ; [L230] COND FALSE !(\read(pumpRunning)) [L464] int tmp ; [L465] int tmp___0 ; [L133] int retValue_acc ; [L136] retValue_acc = methaneLevelCritical [L137] return (retValue_acc); [L469] tmp = isMethaneLevelCritical() [L471] COND FALSE !(\read(tmp)) [L487] methAndRunningLastTime = 0 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...