./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec2_product26_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_product26_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 9a9facaada73db60539ede7a668b71ce2a4ae420 .............................................................................................................................................................................................................................................................................................................................................................. 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 23:56:17,938 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 23:56:17,940 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 23:56:17,952 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 23:56:17,953 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 23:56:17,954 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 23:56:17,956 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 23:56:17,958 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 23:56:17,960 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 23:56:17,961 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 23:56:17,962 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 23:56:17,962 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 23:56:17,963 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 23:56:17,964 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 23:56:17,966 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 23:56:17,967 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 23:56:17,968 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 23:56:17,970 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 23:56:17,972 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 23:56:17,974 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 23:56:17,976 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 23:56:17,977 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 23:56:17,980 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 23:56:17,980 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 23:56:17,981 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 23:56:17,982 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 23:56:17,983 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 23:56:17,984 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 23:56:17,985 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 23:56:17,987 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 23:56:17,987 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 23:56:17,988 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 23:56:17,988 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 23:56:17,989 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 23:56:17,990 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 23:56:17,991 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 23:56:17,992 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-28 23:56:18,008 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 23:56:18,009 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 23:56:18,010 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 23:56:18,010 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 23:56:18,010 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 23:56:18,011 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-28 23:56:18,011 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-28 23:56:18,011 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-28 23:56:18,011 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-28 23:56:18,011 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-28 23:56:18,011 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-28 23:56:18,012 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 23:56:18,013 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 23:56:18,013 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 23:56:18,013 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 23:56:18,013 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 23:56:18,013 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 23:56:18,014 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-28 23:56:18,014 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-28 23:56:18,014 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-28 23:56:18,014 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 23:56:18,014 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 23:56:18,014 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-28 23:56:18,015 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 23:56:18,016 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-28 23:56:18,016 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 23:56:18,016 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 23:56:18,016 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-28 23:56:18,018 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 23:56:18,018 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 23:56:18,018 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-28 23:56:18,019 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-28 23:56:18,019 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 -> 9a9facaada73db60539ede7a668b71ce2a4ae420 [2018-11-28 23:56:18,066 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 23:56:18,079 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 23:56:18,083 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 23:56:18,085 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 23:56:18,085 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 23:56:18,086 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec2_product26_true-unreach-call_false-termination.cil.c [2018-11-28 23:56:18,145 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca53d3314/bf3072398c4a41e2a8e031e4a4f235c6/FLAGc6bfcacd9 [2018-11-28 23:56:18,689 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 23:56:18,690 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec2_product26_true-unreach-call_false-termination.cil.c [2018-11-28 23:56:18,713 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca53d3314/bf3072398c4a41e2a8e031e4a4f235c6/FLAGc6bfcacd9 [2018-11-28 23:56:18,954 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca53d3314/bf3072398c4a41e2a8e031e4a4f235c6 [2018-11-28 23:56:18,957 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 23:56:18,959 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 23:56:18,960 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 23:56:18,963 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 23:56:18,968 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 23:56:18,969 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:56:18" (1/1) ... [2018-11-28 23:56:18,972 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33e92b05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:56:18, skipping insertion in model container [2018-11-28 23:56:18,972 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:56:18" (1/1) ... [2018-11-28 23:56:18,981 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 23:56:19,035 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 23:56:19,518 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:56:19,551 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 23:56:19,696 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:56:19,823 INFO L195 MainTranslator]: Completed translation [2018-11-28 23:56:19,824 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:56:19 WrapperNode [2018-11-28 23:56:19,824 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 23:56:19,825 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 23:56:19,825 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 23:56:19,825 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 23:56:19,836 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:56:19" (1/1) ... [2018-11-28 23:56:19,856 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:56:19" (1/1) ... [2018-11-28 23:56:19,895 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 23:56:19,896 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 23:56:19,896 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 23:56:19,896 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 23:56:19,908 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:56:19" (1/1) ... [2018-11-28 23:56:19,908 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:56:19" (1/1) ... [2018-11-28 23:56:19,914 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:56:19" (1/1) ... [2018-11-28 23:56:19,914 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:56:19" (1/1) ... [2018-11-28 23:56:19,923 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:56:19" (1/1) ... [2018-11-28 23:56:19,934 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:56:19" (1/1) ... [2018-11-28 23:56:19,937 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:56:19" (1/1) ... [2018-11-28 23:56:19,941 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 23:56:19,941 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 23:56:19,942 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 23:56:19,942 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 23:56:19,943 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:56:19" (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 23:56:20,004 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 23:56:20,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 23:56:20,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 23:56:20,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 23:56:21,202 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 23:56:21,203 INFO L280 CfgBuilder]: Removed 100 assue(true) statements. [2018-11-28 23:56:21,203 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:56:21 BoogieIcfgContainer [2018-11-28 23:56:21,203 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 23:56:21,204 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-28 23:56:21,204 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-28 23:56:21,208 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-28 23:56:21,209 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:56:21,209 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 11:56:18" (1/3) ... [2018-11-28 23:56:21,210 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@38925eb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:56:21, skipping insertion in model container [2018-11-28 23:56:21,210 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:56:21,211 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:56:19" (2/3) ... [2018-11-28 23:56:21,211 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@38925eb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:56:21, skipping insertion in model container [2018-11-28 23:56:21,211 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:56:21,211 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:56:21" (3/3) ... [2018-11-28 23:56:21,213 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product26_true-unreach-call_false-termination.cil.c [2018-11-28 23:56:21,268 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 23:56:21,269 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-28 23:56:21,269 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-28 23:56:21,269 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-28 23:56:21,270 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 23:56:21,270 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 23:56:21,270 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-28 23:56:21,270 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 23:56:21,270 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-28 23:56:21,288 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 76 states. [2018-11-28 23:56:21,316 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 47 [2018-11-28 23:56:21,316 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:56:21,317 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:56:21,325 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:56:21,325 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:56:21,325 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-28 23:56:21,326 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 76 states. [2018-11-28 23:56:21,331 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 47 [2018-11-28 23:56:21,332 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:56:21,332 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:56:21,333 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:56:21,333 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:56:21,339 INFO L794 eck$LassoCheckResult]: Stem: 33#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string5.base, #t~string5.offset := #Ultimate.alloc(13);call #t~string7.base, #t~string7.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string7.base, #t~string7.offset, 1);call write~init~int(77, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(101, #t~string7.base, 2 + #t~string7.offset, 1);call write~init~int(116, #t~string7.base, 3 + #t~string7.offset, 1);call write~init~int(104, #t~string7.base, 4 + #t~string7.offset, 1);call write~init~int(58, #t~string7.base, 5 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 6 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string9.base, #t~string9.offset, 1);call write~init~int(82, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(73, #t~string9.base, 2 + #t~string9.offset, 1);call write~init~int(84, #t~string9.base, 3 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 4 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(75, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 2 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string13.base, #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 1 + #t~string13.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string32.base, #t~string32.offset := #Ultimate.alloc(30);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(9);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(21);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(30);call #t~string36.base, #t~string36.offset := #Ultimate.alloc(9);call #t~string37.base, #t~string37.offset := #Ultimate.alloc(21);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(30);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(9);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(25);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(30);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(9);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(25);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string53.base, #t~string53.offset := #Ultimate.alloc(13);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(7);call write~init~int(44, #t~string59.base, #t~string59.offset, 1);call write~init~int(80, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(117, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(109, #t~string59.base, 3 + #t~string59.offset, 1);call write~init~int(112, #t~string59.base, 4 + #t~string59.offset, 1);call write~init~int(58, #t~string59.base, 5 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 6 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(110, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 2 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 3 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string65.base, #t~string65.offset, 1);call write~init~int(32, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1); 11#L-1true havoc main_#res;havoc main_#t~ret3, main_~retValue_acc~2, main_~tmp~1;havoc main_~retValue_acc~2;havoc main_~tmp~1; 15#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; 10#L73true main_#t~ret3 := valid_product_#res;main_~tmp~1 := main_#t~ret3;havoc main_#t~ret3; 5#L208true assume 0 != main_~tmp~1; 37#L183true ~methAndRunningLastTime~0 := 0; 18#L87true havoc test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_~splverifierCounter~0, test_~tmp~8, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 16#L98-1true [2018-11-28 23:56:21,340 INFO L796 eck$LassoCheckResult]: Loop: 16#L98-1true assume !false; 36#L882true assume test_~splverifierCounter~0 < 4; 57#L883true test_~tmp~8 := test_#t~nondet69;havoc test_#t~nondet69; 76#L891true assume !(0 != test_~tmp~8); 77#L891-1true test_~tmp___0~2 := test_#t~nondet70;havoc test_#t~nondet70; 61#L901true assume !(0 != test_~tmp___0~2); 44#L901-1true test_~tmp___2~0 := test_#t~nondet71;havoc test_#t~nondet71; 43#L911true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 54#L919-2true assume !(0 != ~pumpRunning~0); 58#L700true assume !(0 != ~systemActive~0); 48#L707true havoc __utac_acc__Specification2_spec__2_#t~ret1, __utac_acc__Specification2_spec__2_#t~ret2, __utac_acc__Specification2_spec__2_~tmp~0, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~0;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; 75#L269true __utac_acc__Specification2_spec__2_#t~ret1 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~0 := __utac_acc__Specification2_spec__2_#t~ret1;havoc __utac_acc__Specification2_spec__2_#t~ret1; 21#L98true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~0);~methAndRunningLastTime~0 := 0; 16#L98-1true [2018-11-28 23:56:21,346 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:56:21,346 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2018-11-28 23:56:21,348 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:56:21,349 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:56:21,401 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:56:21,402 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:56:21,402 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:56:21,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:56:21,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:56:21,690 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:56:21,690 INFO L82 PathProgramCache]: Analyzing trace with hash 3553547, now seen corresponding path program 1 times [2018-11-28 23:56:21,690 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:56:21,690 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:56:21,691 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:56:21,692 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:56:21,692 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:56:21,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:56:21,761 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 23:56:21,764 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 23:56:21,764 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 23:56:21,768 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-28 23:56:21,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 23:56:21,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 23:56:21,785 INFO L87 Difference]: Start difference. First operand 76 states. Second operand 3 states. [2018-11-28 23:56:21,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 23:56:21,875 INFO L93 Difference]: Finished difference Result 76 states and 105 transitions. [2018-11-28 23:56:21,877 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 23:56:21,881 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 76 states and 105 transitions. [2018-11-28 23:56:21,885 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 45 [2018-11-28 23:56:21,891 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 76 states to 69 states and 97 transitions. [2018-11-28 23:56:21,893 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 69 [2018-11-28 23:56:21,893 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 69 [2018-11-28 23:56:21,894 INFO L73 IsDeterministic]: Start isDeterministic. Operand 69 states and 97 transitions. [2018-11-28 23:56:21,895 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 23:56:21,895 INFO L705 BuchiCegarLoop]: Abstraction has 69 states and 97 transitions. [2018-11-28 23:56:21,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states and 97 transitions. [2018-11-28 23:56:21,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2018-11-28 23:56:21,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2018-11-28 23:56:21,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 97 transitions. [2018-11-28 23:56:21,927 INFO L728 BuchiCegarLoop]: Abstraction has 69 states and 97 transitions. [2018-11-28 23:56:21,927 INFO L608 BuchiCegarLoop]: Abstraction has 69 states and 97 transitions. [2018-11-28 23:56:21,927 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-28 23:56:21,928 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 69 states and 97 transitions. [2018-11-28 23:56:21,930 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 45 [2018-11-28 23:56:21,930 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:56:21,930 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:56:21,931 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:56:21,931 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:56:21,931 INFO L794 eck$LassoCheckResult]: Stem: 201#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string5.base, #t~string5.offset := #Ultimate.alloc(13);call #t~string7.base, #t~string7.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string7.base, #t~string7.offset, 1);call write~init~int(77, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(101, #t~string7.base, 2 + #t~string7.offset, 1);call write~init~int(116, #t~string7.base, 3 + #t~string7.offset, 1);call write~init~int(104, #t~string7.base, 4 + #t~string7.offset, 1);call write~init~int(58, #t~string7.base, 5 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 6 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string9.base, #t~string9.offset, 1);call write~init~int(82, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(73, #t~string9.base, 2 + #t~string9.offset, 1);call write~init~int(84, #t~string9.base, 3 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 4 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(75, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 2 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string13.base, #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 1 + #t~string13.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string32.base, #t~string32.offset := #Ultimate.alloc(30);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(9);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(21);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(30);call #t~string36.base, #t~string36.offset := #Ultimate.alloc(9);call #t~string37.base, #t~string37.offset := #Ultimate.alloc(21);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(30);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(9);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(25);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(30);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(9);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(25);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string53.base, #t~string53.offset := #Ultimate.alloc(13);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(7);call write~init~int(44, #t~string59.base, #t~string59.offset, 1);call write~init~int(80, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(117, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(109, #t~string59.base, 3 + #t~string59.offset, 1);call write~init~int(112, #t~string59.base, 4 + #t~string59.offset, 1);call write~init~int(58, #t~string59.base, 5 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 6 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(110, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 2 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 3 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string65.base, #t~string65.offset, 1);call write~init~int(32, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1); 175#L-1 havoc main_#res;havoc main_#t~ret3, main_~retValue_acc~2, main_~tmp~1;havoc main_~retValue_acc~2;havoc main_~tmp~1; 176#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; 173#L73 main_#t~ret3 := valid_product_#res;main_~tmp~1 := main_#t~ret3;havoc main_#t~ret3; 163#L208 assume 0 != main_~tmp~1; 164#L183 ~methAndRunningLastTime~0 := 0; 183#L87 havoc test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_~splverifierCounter~0, test_~tmp~8, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 167#L98-1 [2018-11-28 23:56:21,932 INFO L796 eck$LassoCheckResult]: Loop: 167#L98-1 assume !false; 182#L882 assume test_~splverifierCounter~0 < 4; 204#L883 test_~tmp~8 := test_#t~nondet69;havoc test_#t~nondet69; 224#L891 assume !(0 != test_~tmp~8); 229#L891-1 test_~tmp___0~2 := test_#t~nondet70;havoc test_#t~nondet70; 225#L901 assume !(0 != test_~tmp___0~2); 203#L901-1 test_~tmp___2~0 := test_#t~nondet71;havoc test_#t~nondet71; 212#L911 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 214#L919-2 assume !(0 != ~pumpRunning~0); 221#L700 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret49, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; 205#L732 assume !(0 != ~pumpRunning~0); 206#L707 havoc __utac_acc__Specification2_spec__2_#t~ret1, __utac_acc__Specification2_spec__2_#t~ret2, __utac_acc__Specification2_spec__2_~tmp~0, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~0;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; 217#L269 __utac_acc__Specification2_spec__2_#t~ret1 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~0 := __utac_acc__Specification2_spec__2_#t~ret1;havoc __utac_acc__Specification2_spec__2_#t~ret1; 184#L98 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~0);~methAndRunningLastTime~0 := 0; 167#L98-1 [2018-11-28 23:56:21,932 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:56:21,932 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2018-11-28 23:56:21,932 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:56:21,932 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:56:21,933 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:56:21,934 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:56:21,934 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:56:21,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:56:22,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:56:22,083 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:56:22,083 INFO L82 PathProgramCache]: Analyzing trace with hash 83166849, now seen corresponding path program 1 times [2018-11-28 23:56:22,083 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:56:22,083 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:56:22,084 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:56:22,084 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 23:56:22,085 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:56:22,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:56:22,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:56:22,097 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:56:22,097 INFO L82 PathProgramCache]: Analyzing trace with hash 145554759, now seen corresponding path program 1 times [2018-11-28 23:56:22,097 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:56:22,097 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:56:22,098 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:56:22,098 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:56:22,099 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:56:22,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:56:22,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:56:22,361 WARN L180 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2018-11-28 23:56:22,502 WARN L180 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2018-11-28 23:56:27,797 WARN L180 SmtUtils]: Spent 5.28 s on a formula simplification. DAG size of input: 429 DAG size of output: 427 [2018-11-28 23:56:29,740 WARN L180 SmtUtils]: Spent 1.93 s on a formula simplification that was a NOOP. DAG size: 425 [2018-11-28 23:56:29,801 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 11:56:29 BoogieIcfgContainer [2018-11-28 23:56:29,802 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-28 23:56:29,802 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 23:56:29,802 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 23:56:29,802 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 23:56:29,803 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:56:21" (3/4) ... [2018-11-28 23:56:29,807 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-28 23:56:29,876 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 23:56:29,876 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 23:56:29,877 INFO L168 Benchmark]: Toolchain (without parser) took 10919.07 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 283.1 MB). Free memory was 951.3 MB in the beginning and 993.3 MB in the end (delta: -42.0 MB). Peak memory consumption was 241.1 MB. Max. memory is 11.5 GB. [2018-11-28 23:56:29,880 INFO L168 Benchmark]: CDTParser took 0.20 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 23:56:29,881 INFO L168 Benchmark]: CACSL2BoogieTranslator took 864.25 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.3 MB). Free memory was 951.3 MB in the beginning and 1.1 GB in the end (delta: -145.3 MB). Peak memory consumption was 43.1 MB. Max. memory is 11.5 GB. [2018-11-28 23:56:29,881 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.15 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-11-28 23:56:29,882 INFO L168 Benchmark]: Boogie Preprocessor took 45.46 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. [2018-11-28 23:56:29,882 INFO L168 Benchmark]: RCFGBuilder took 1262.06 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: 53.8 MB). Peak memory consumption was 53.8 MB. Max. memory is 11.5 GB. [2018-11-28 23:56:29,886 INFO L168 Benchmark]: BuchiAutomizer took 8597.74 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 179.8 MB). Free memory was 1.0 GB in the beginning and 993.3 MB in the end (delta: 42.7 MB). Peak memory consumption was 365.1 MB. Max. memory is 11.5 GB. [2018-11-28 23:56:29,887 INFO L168 Benchmark]: Witness Printer took 74.02 ms. Allocated memory is still 1.3 GB. Free memory is still 993.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:56:29,893 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 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 864.25 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.3 MB). Free memory was 951.3 MB in the beginning and 1.1 GB in the end (delta: -145.3 MB). Peak memory consumption was 43.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 70.15 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 45.46 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 1262.06 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: 53.8 MB). Peak memory consumption was 53.8 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 8597.74 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 179.8 MB). Free memory was 1.0 GB in the beginning and 993.3 MB in the end (delta: 42.7 MB). Peak memory consumption was 365.1 MB. Max. memory is 11.5 GB. * Witness Printer took 74.02 ms. Allocated memory is still 1.3 GB. Free memory is still 993.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 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 69 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 8.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 8.2s. Construction of modules took 0.0s. 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 69 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 102 SDtfs, 102 SDslu, 0 SDs, 0 SdLazy, 3 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s 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: 881]: 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=35, NULL=0, NULL=0, retValue_acc=0, NULL=37, NULL=0, NULL=0, NULL=0, NULL=26, NULL=0, NULL=34, NULL=0, NULL=0, NULL=38, methaneLevelCritical=0, NULL=24, NULL=0, NULL=43, NULL=40, NULL=0, tmp=0, tmp___1=0, NULL=36, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1a7c2e6=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@798a8afc=0, cleanupTimeShifts=4, NULL=20, NULL=22, NULL=8, NULL=18, NULL=0, systemActive=1, waterLevel=1, NULL=0, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@505c1126=0, NULL=28, NULL=0, NULL=0, NULL=0, \result=1, head=0, pumpRunning=0, NULL=29, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@dd77b3=0, NULL=0, tmp=1, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3fd25bff=0, NULL=0, NULL=0, NULL=15, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3af21ec1=0, NULL=39, NULL=23, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@611c9060=56, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@66d637d=0, NULL=19, retValue_acc=1, tmp___2=56, tmp___0=0, splverifierCounter=0, NULL=0, NULL=0, NULL=0, NULL=0, methAndRunningLastTime=0, \result=0, NULL=27, NULL=17, head=0, tmp=0, NULL=33, NULL=0, tmp=0, NULL=31, NULL=0, NULL=0, NULL=16, NULL=42} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L81] int methAndRunningLastTime ; [L120] int cleanupTimeShifts = 4; [L226] int waterLevel = 1; [L227] int methaneLevelCritical = 0; [L493] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L693] int pumpRunning = 0; [L694] int systemActive = 1; [L199] int retValue_acc ; [L200] int tmp ; [L69] int retValue_acc ; [L72] retValue_acc = 1 [L73] return (retValue_acc); [L206] tmp = valid_product() [L208] COND TRUE \read(tmp) [L86] methAndRunningLastTime = 0 [L872] int splverifierCounter ; [L873] int tmp ; [L874] int tmp___0 ; [L875] int tmp___1 ; [L876] int tmp___2 ; [L879] splverifierCounter = 0 Loop: [L881] COND TRUE 1 [L883] COND TRUE splverifierCounter < 4 [L889] tmp = __VERIFIER_nondet_int() [L891] COND FALSE !(\read(tmp)) [L899] tmp___0 = __VERIFIER_nondet_int() [L901] COND FALSE !(\read(tmp___0)) [L909] tmp___2 = __VERIFIER_nondet_int() [L911] COND TRUE \read(tmp___2) [L866] systemActive = 1 [L700] COND FALSE !(\read(pumpRunning)) [L707] COND TRUE \read(systemActive) [L729] int tmp ; [L732] COND FALSE !(\read(pumpRunning)) [L91] int tmp ; [L92] int tmp___0 ; [L265] int retValue_acc ; [L268] retValue_acc = methaneLevelCritical [L269] return (retValue_acc); [L96] tmp = isMethaneLevelCritical() [L98] COND FALSE !(\read(tmp)) [L114] methAndRunningLastTime = 0 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...