./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product46_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_6815b495-775f-4ddd-ab85-66e8dbe8fb3c/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6815b495-775f-4ddd-ab85-66e8dbe8fb3c/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6815b495-775f-4ddd-ab85-66e8dbe8fb3c/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6815b495-775f-4ddd-ab85-66e8dbe8fb3c/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product46_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6815b495-775f-4ddd-ab85-66e8dbe8fb3c/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6815b495-775f-4ddd-ab85-66e8dbe8fb3c/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4366671714130af280ec4232c34176d9c997fd05 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 09:37:53,937 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 09:37:53,938 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 09:37:53,945 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 09:37:53,945 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 09:37:53,945 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 09:37:53,946 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 09:37:53,947 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 09:37:53,948 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 09:37:53,949 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 09:37:53,949 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 09:37:53,950 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 09:37:53,950 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 09:37:53,951 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 09:37:53,951 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 09:37:53,952 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 09:37:53,953 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 09:37:53,954 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 09:37:53,955 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 09:37:53,956 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 09:37:53,957 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 09:37:53,957 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 09:37:53,959 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 09:37:53,959 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 09:37:53,959 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 09:37:53,960 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 09:37:53,961 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 09:37:53,961 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 09:37:53,962 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 09:37:53,963 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 09:37:53,963 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 09:37:53,963 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 09:37:53,963 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 09:37:53,963 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 09:37:53,964 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 09:37:53,964 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 09:37:53,965 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6815b495-775f-4ddd-ab85-66e8dbe8fb3c/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 09:37:53,974 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 09:37:53,975 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 09:37:53,975 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 09:37:53,975 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 09:37:53,976 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 09:37:53,976 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 09:37:53,976 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 09:37:53,976 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 09:37:53,976 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 09:37:53,976 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 09:37:53,976 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 09:37:53,977 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 09:37:53,977 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 09:37:53,977 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 09:37:53,977 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 09:37:53,977 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 09:37:53,977 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 09:37:53,977 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 09:37:53,977 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 09:37:53,978 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 09:37:53,978 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 09:37:53,978 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 09:37:53,978 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 09:37:53,978 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 09:37:53,978 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 09:37:53,978 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 09:37:53,978 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 09:37:53,979 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 09:37:53,979 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 09:37:53,979 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 09:37:53,979 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 09:37:53,980 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 09:37:53,980 INFO L133 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_6815b495-775f-4ddd-ab85-66e8dbe8fb3c/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4366671714130af280ec4232c34176d9c997fd05 [2018-11-18 09:37:54,005 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 09:37:54,014 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 09:37:54,016 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 09:37:54,018 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 09:37:54,018 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 09:37:54,018 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6815b495-775f-4ddd-ab85-66e8dbe8fb3c/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product46_true-unreach-call_false-termination.cil.c [2018-11-18 09:37:54,062 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6815b495-775f-4ddd-ab85-66e8dbe8fb3c/bin-2019/uautomizer/data/ab96a8bf5/3897413e57b64d1788bb5615f87f85c1/FLAGaf68ed985 [2018-11-18 09:37:54,496 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 09:37:54,496 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6815b495-775f-4ddd-ab85-66e8dbe8fb3c/sv-benchmarks/c/product-lines/minepump_spec2_product46_true-unreach-call_false-termination.cil.c [2018-11-18 09:37:54,502 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6815b495-775f-4ddd-ab85-66e8dbe8fb3c/bin-2019/uautomizer/data/ab96a8bf5/3897413e57b64d1788bb5615f87f85c1/FLAGaf68ed985 [2018-11-18 09:37:54,513 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6815b495-775f-4ddd-ab85-66e8dbe8fb3c/bin-2019/uautomizer/data/ab96a8bf5/3897413e57b64d1788bb5615f87f85c1 [2018-11-18 09:37:54,515 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 09:37:54,516 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 09:37:54,517 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 09:37:54,517 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 09:37:54,520 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 09:37:54,521 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:37:54" (1/1) ... [2018-11-18 09:37:54,523 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ae989df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:37:54, skipping insertion in model container [2018-11-18 09:37:54,523 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:37:54" (1/1) ... [2018-11-18 09:37:54,532 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 09:37:54,565 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 09:37:54,758 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:37:54,767 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 09:37:54,878 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:37:54,900 INFO L195 MainTranslator]: Completed translation [2018-11-18 09:37:54,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:37:54 WrapperNode [2018-11-18 09:37:54,900 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 09:37:54,901 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 09:37:54,901 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 09:37:54,901 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 09:37:54,908 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:37:54" (1/1) ... [2018-11-18 09:37:54,922 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:37:54" (1/1) ... [2018-11-18 09:37:54,952 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 09:37:54,952 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 09:37:54,952 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 09:37:54,952 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 09:37:54,960 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:37:54" (1/1) ... [2018-11-18 09:37:54,960 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:37:54" (1/1) ... [2018-11-18 09:37:54,963 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:37:54" (1/1) ... [2018-11-18 09:37:54,963 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:37:54" (1/1) ... [2018-11-18 09:37:54,971 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:37:54" (1/1) ... [2018-11-18 09:37:54,978 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:37:54" (1/1) ... [2018-11-18 09:37:54,981 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:37:54" (1/1) ... [2018-11-18 09:37:54,984 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 09:37:54,984 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 09:37:54,984 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 09:37:54,984 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 09:37:54,985 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:37:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6815b495-775f-4ddd-ab85-66e8dbe8fb3c/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 09:37:55,033 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 09:37:55,033 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 09:37:55,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 09:37:55,592 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 09:37:55,593 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:37:55 BoogieIcfgContainer [2018-11-18 09:37:55,593 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 09:37:55,593 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 09:37:55,593 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 09:37:55,596 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 09:37:55,597 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 09:37:55,597 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 09:37:54" (1/3) ... [2018-11-18 09:37:55,599 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@41ee4d69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 09:37:55, skipping insertion in model container [2018-11-18 09:37:55,599 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 09:37:55,599 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:37:54" (2/3) ... [2018-11-18 09:37:55,599 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@41ee4d69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 09:37:55, skipping insertion in model container [2018-11-18 09:37:55,600 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 09:37:55,600 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:37:55" (3/3) ... [2018-11-18 09:37:55,601 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product46_true-unreach-call_false-termination.cil.c [2018-11-18 09:37:55,644 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 09:37:55,645 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 09:37:55,645 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 09:37:55,645 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 09:37:55,645 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 09:37:55,645 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 09:37:55,645 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 09:37:55,646 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 09:37:55,646 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 09:37:55,661 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 187 states. [2018-11-18 09:37:55,686 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 121 [2018-11-18 09:37:55,686 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 09:37:55,686 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 09:37:55,694 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:37:55,694 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:37:55,694 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 09:37:55,694 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 187 states. [2018-11-18 09:37:55,700 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 121 [2018-11-18 09:37:55,700 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 09:37:55,700 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 09:37:55,701 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:37:55,701 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:37:55,706 INFO L794 eck$LassoCheckResult]: Stem: 134#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(30);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(9);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(21);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(30);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(9);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(21);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(30);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(9);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(25);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(30);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(9);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(25);call #t~string37.base, #t~string37.offset := #Ultimate.alloc(13);call #t~string39.base, #t~string39.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string39.base,#t~string39.offset := 44];#memory_int := #memory_int[#t~string39.base,1 + #t~string39.offset := 77];#memory_int := #memory_int[#t~string39.base,2 + #t~string39.offset := 101];#memory_int := #memory_int[#t~string39.base,3 + #t~string39.offset := 116];#memory_int := #memory_int[#t~string39.base,4 + #t~string39.offset := 104];#memory_int := #memory_int[#t~string39.base,5 + #t~string39.offset := 58];#memory_int := #memory_int[#t~string39.base,6 + #t~string39.offset := 0];call #t~string41.base, #t~string41.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string41.base,#t~string41.offset := 67];#memory_int := #memory_int[#t~string41.base,1 + #t~string41.offset := 82];#memory_int := #memory_int[#t~string41.base,2 + #t~string41.offset := 73];#memory_int := #memory_int[#t~string41.base,3 + #t~string41.offset := 84];#memory_int := #memory_int[#t~string41.base,4 + #t~string41.offset := 0];call #t~string43.base, #t~string43.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string43.base,#t~string43.offset := 79];#memory_int := #memory_int[#t~string43.base,1 + #t~string43.offset := 75];#memory_int := #memory_int[#t~string43.base,2 + #t~string43.offset := 0];call #t~string45.base, #t~string45.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string45.base,#t~string45.offset := 41];#memory_int := #memory_int[#t~string45.base,1 + #t~string45.offset := 0];call #t~string52.base, #t~string52.offset := #Ultimate.alloc(13);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string54.base,#t~string54.offset := 79];#memory_int := #memory_int[#t~string54.base,1 + #t~string54.offset := 110];#memory_int := #memory_int[#t~string54.base,2 + #t~string54.offset := 0];call #t~string56.base, #t~string56.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string56.base,#t~string56.offset := 79];#memory_int := #memory_int[#t~string56.base,1 + #t~string56.offset := 102];#memory_int := #memory_int[#t~string56.base,2 + #t~string56.offset := 102];#memory_int := #memory_int[#t~string56.base,3 + #t~string56.offset := 0];call #t~string58.base, #t~string58.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string58.base,#t~string58.offset := 44];#memory_int := #memory_int[#t~string58.base,1 + #t~string58.offset := 80];#memory_int := #memory_int[#t~string58.base,2 + #t~string58.offset := 117];#memory_int := #memory_int[#t~string58.base,3 + #t~string58.offset := 109];#memory_int := #memory_int[#t~string58.base,4 + #t~string58.offset := 112];#memory_int := #memory_int[#t~string58.base,5 + #t~string58.offset := 58];#memory_int := #memory_int[#t~string58.base,6 + #t~string58.offset := 0];call #t~string60.base, #t~string60.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string60.base,#t~string60.offset := 79];#memory_int := #memory_int[#t~string60.base,1 + #t~string60.offset := 110];#memory_int := #memory_int[#t~string60.base,2 + #t~string60.offset := 0];call #t~string62.base, #t~string62.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string62.base,#t~string62.offset := 79];#memory_int := #memory_int[#t~string62.base,1 + #t~string62.offset := 102];#memory_int := #memory_int[#t~string62.base,2 + #t~string62.offset := 102];#memory_int := #memory_int[#t~string62.base,3 + #t~string62.offset := 0];call #t~string64.base, #t~string64.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string64.base,#t~string64.offset := 41];#memory_int := #memory_int[#t~string64.base,1 + #t~string64.offset := 32];#memory_int := #memory_int[#t~string64.base,2 + #t~string64.offset := 0];call #t~string66.base, #t~string66.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string66.base,#t~string66.offset := 10];#memory_int := #memory_int[#t~string66.base,1 + #t~string66.offset := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 20#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret46, main_~retValue_acc~8, main_~tmp~3;havoc main_~retValue_acc~8;havoc main_~tmp~3;assume { :begin_inline_select_helpers } true; 26#L65true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 104#L58true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;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; 17#L73true main_#t~ret46 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~3 := main_#t~ret46;havoc main_#t~ret46; 9#L632true assume 0 != main_~tmp~3;assume { :begin_inline_setup } true; 95#L606true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 186#L869true assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_#t~nondet73, test_~splverifierCounter~0, test_~tmp~9, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~9;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 61#L912-3true [2018-11-18 09:37:55,707 INFO L796 eck$LassoCheckResult]: Loop: 61#L912-3true assume true; 81#L912-1true assume !false; 182#L913true assume test_~splverifierCounter~0 < 4; 119#L914true test_~tmp~9 := test_#t~nondet70;havoc test_#t~nondet70; 135#L922true assume !(0 != test_~tmp~9); 131#L922-2true test_~tmp___0~2 := test_#t~nondet71;havoc test_#t~nondet71; 3#L932true assume !(0 != test_~tmp___0~2); 12#L932-2true test_~tmp___2~0 := test_#t~nondet72;havoc test_#t~nondet72; 82#L942true assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 152#L850true assume { :end_inline_startSystem } true; 92#L950-2true assume { :begin_inline_timeShift } true; 120#L658true assume !(0 != ~pumpRunning~0); 128#L658-2true assume !(0 != ~systemActive~0); 10#L665-1true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret68, __utac_acc__Specification2_spec__2_#t~ret69, __utac_acc__Specification2_spec__2_~tmp~8, __utac_acc__Specification2_spec__2_~tmp___0~1;havoc __utac_acc__Specification2_spec__2_~tmp~8;havoc __utac_acc__Specification2_spec__2_~tmp___0~1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~5;havoc isMethaneLevelCritical_~retValue_acc~5;isMethaneLevelCritical_~retValue_acc~5 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~5; 48#L494-3true __utac_acc__Specification2_spec__2_#t~ret68 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~8 := __utac_acc__Specification2_spec__2_#t~ret68;havoc __utac_acc__Specification2_spec__2_#t~ret68; 185#L880true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~8);~methAndRunningLastTime~0 := 0; 189#L880-1true assume { :end_inline___utac_acc__Specification2_spec__2 } true; 84#L675true assume { :end_inline_timeShift } true; 61#L912-3true [2018-11-18 09:37:55,712 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:37:55,712 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2018-11-18 09:37:55,714 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:37:55,715 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:37:55,752 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:37:55,752 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:37:55,752 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:37:55,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:37:55,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:37:55,866 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:37:55,866 INFO L82 PathProgramCache]: Analyzing trace with hash -626763783, now seen corresponding path program 1 times [2018-11-18 09:37:55,866 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:37:55,866 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:37:55,867 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:37:55,867 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:37:55,868 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:37:55,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:37:55,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:37:55,900 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:37:55,901 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 09:37:55,904 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 09:37:55,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 09:37:55,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 09:37:55,920 INFO L87 Difference]: Start difference. First operand 187 states. Second operand 3 states. [2018-11-18 09:37:55,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:37:55,959 INFO L93 Difference]: Finished difference Result 184 states and 240 transitions. [2018-11-18 09:37:55,960 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 09:37:55,961 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 184 states and 240 transitions. [2018-11-18 09:37:55,964 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 117 [2018-11-18 09:37:55,967 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 184 states to 174 states and 229 transitions. [2018-11-18 09:37:55,968 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 174 [2018-11-18 09:37:55,968 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 174 [2018-11-18 09:37:55,969 INFO L73 IsDeterministic]: Start isDeterministic. Operand 174 states and 229 transitions. [2018-11-18 09:37:55,970 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 09:37:55,970 INFO L705 BuchiCegarLoop]: Abstraction has 174 states and 229 transitions. [2018-11-18 09:37:55,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states and 229 transitions. [2018-11-18 09:37:55,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 174. [2018-11-18 09:37:55,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 174 states. [2018-11-18 09:37:55,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 229 transitions. [2018-11-18 09:37:55,998 INFO L728 BuchiCegarLoop]: Abstraction has 174 states and 229 transitions. [2018-11-18 09:37:55,998 INFO L608 BuchiCegarLoop]: Abstraction has 174 states and 229 transitions. [2018-11-18 09:37:55,998 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 09:37:55,998 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 174 states and 229 transitions. [2018-11-18 09:37:56,000 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 117 [2018-11-18 09:37:56,000 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 09:37:56,000 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 09:37:56,001 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:37:56,001 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:37:56,001 INFO L794 eck$LassoCheckResult]: Stem: 543#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(30);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(9);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(21);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(30);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(9);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(21);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(30);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(9);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(25);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(30);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(9);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(25);call #t~string37.base, #t~string37.offset := #Ultimate.alloc(13);call #t~string39.base, #t~string39.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string39.base,#t~string39.offset := 44];#memory_int := #memory_int[#t~string39.base,1 + #t~string39.offset := 77];#memory_int := #memory_int[#t~string39.base,2 + #t~string39.offset := 101];#memory_int := #memory_int[#t~string39.base,3 + #t~string39.offset := 116];#memory_int := #memory_int[#t~string39.base,4 + #t~string39.offset := 104];#memory_int := #memory_int[#t~string39.base,5 + #t~string39.offset := 58];#memory_int := #memory_int[#t~string39.base,6 + #t~string39.offset := 0];call #t~string41.base, #t~string41.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string41.base,#t~string41.offset := 67];#memory_int := #memory_int[#t~string41.base,1 + #t~string41.offset := 82];#memory_int := #memory_int[#t~string41.base,2 + #t~string41.offset := 73];#memory_int := #memory_int[#t~string41.base,3 + #t~string41.offset := 84];#memory_int := #memory_int[#t~string41.base,4 + #t~string41.offset := 0];call #t~string43.base, #t~string43.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string43.base,#t~string43.offset := 79];#memory_int := #memory_int[#t~string43.base,1 + #t~string43.offset := 75];#memory_int := #memory_int[#t~string43.base,2 + #t~string43.offset := 0];call #t~string45.base, #t~string45.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string45.base,#t~string45.offset := 41];#memory_int := #memory_int[#t~string45.base,1 + #t~string45.offset := 0];call #t~string52.base, #t~string52.offset := #Ultimate.alloc(13);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string54.base,#t~string54.offset := 79];#memory_int := #memory_int[#t~string54.base,1 + #t~string54.offset := 110];#memory_int := #memory_int[#t~string54.base,2 + #t~string54.offset := 0];call #t~string56.base, #t~string56.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string56.base,#t~string56.offset := 79];#memory_int := #memory_int[#t~string56.base,1 + #t~string56.offset := 102];#memory_int := #memory_int[#t~string56.base,2 + #t~string56.offset := 102];#memory_int := #memory_int[#t~string56.base,3 + #t~string56.offset := 0];call #t~string58.base, #t~string58.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string58.base,#t~string58.offset := 44];#memory_int := #memory_int[#t~string58.base,1 + #t~string58.offset := 80];#memory_int := #memory_int[#t~string58.base,2 + #t~string58.offset := 117];#memory_int := #memory_int[#t~string58.base,3 + #t~string58.offset := 109];#memory_int := #memory_int[#t~string58.base,4 + #t~string58.offset := 112];#memory_int := #memory_int[#t~string58.base,5 + #t~string58.offset := 58];#memory_int := #memory_int[#t~string58.base,6 + #t~string58.offset := 0];call #t~string60.base, #t~string60.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string60.base,#t~string60.offset := 79];#memory_int := #memory_int[#t~string60.base,1 + #t~string60.offset := 110];#memory_int := #memory_int[#t~string60.base,2 + #t~string60.offset := 0];call #t~string62.base, #t~string62.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string62.base,#t~string62.offset := 79];#memory_int := #memory_int[#t~string62.base,1 + #t~string62.offset := 102];#memory_int := #memory_int[#t~string62.base,2 + #t~string62.offset := 102];#memory_int := #memory_int[#t~string62.base,3 + #t~string62.offset := 0];call #t~string64.base, #t~string64.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string64.base,#t~string64.offset := 41];#memory_int := #memory_int[#t~string64.base,1 + #t~string64.offset := 32];#memory_int := #memory_int[#t~string64.base,2 + #t~string64.offset := 0];call #t~string66.base, #t~string66.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string66.base,#t~string66.offset := 10];#memory_int := #memory_int[#t~string66.base,1 + #t~string66.offset := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 415#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret46, main_~retValue_acc~8, main_~tmp~3;havoc main_~retValue_acc~8;havoc main_~tmp~3;assume { :begin_inline_select_helpers } true; 416#L65 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 429#L58 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;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; 410#L73 main_#t~ret46 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~3 := main_#t~ret46;havoc main_#t~ret46; 395#L632 assume 0 != main_~tmp~3;assume { :begin_inline_setup } true; 396#L606 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 506#L869 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_#t~nondet73, test_~splverifierCounter~0, test_~tmp~9, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~9;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 477#L912-3 [2018-11-18 09:37:56,001 INFO L796 eck$LassoCheckResult]: Loop: 477#L912-3 assume true; 478#L912-1 assume !false; 493#L913 assume test_~splverifierCounter~0 < 4; 532#L914 test_~tmp~9 := test_#t~nondet70;havoc test_#t~nondet70; 533#L922 assume !(0 != test_~tmp~9); 469#L922-2 test_~tmp___0~2 := test_#t~nondet71;havoc test_#t~nondet71; 386#L932 assume !(0 != test_~tmp___0~2); 388#L932-2 test_~tmp___2~0 := test_#t~nondet72;havoc test_#t~nondet72; 402#L942 assume !(0 != test_~tmp___2~0);test_~tmp___1~0 := test_#t~nondet73;havoc test_#t~nondet73; 496#L950 assume 0 != test_~tmp___1~0; 503#L950-2 assume { :begin_inline_timeShift } true; 504#L658 assume !(0 != ~pumpRunning~0); 534#L658-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret48, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; 520#L716 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret47, processEnvironment__wrappee__methaneQuery_~tmp~4;havoc processEnvironment__wrappee__methaneQuery_~tmp~4; 521#L690-2 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 548#L682-3 assume { :end_inline_processEnvironment__wrappee__base } true; 501#L690-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 412#L716-1 assume { :end_inline_processEnvironment } true; 393#L665-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret68, __utac_acc__Specification2_spec__2_#t~ret69, __utac_acc__Specification2_spec__2_~tmp~8, __utac_acc__Specification2_spec__2_~tmp___0~1;havoc __utac_acc__Specification2_spec__2_~tmp~8;havoc __utac_acc__Specification2_spec__2_~tmp___0~1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~5;havoc isMethaneLevelCritical_~retValue_acc~5;isMethaneLevelCritical_~retValue_acc~5 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~5; 394#L494-3 __utac_acc__Specification2_spec__2_#t~ret68 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~8 := __utac_acc__Specification2_spec__2_#t~ret68;havoc __utac_acc__Specification2_spec__2_#t~ret68; 462#L880 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~8);~methAndRunningLastTime~0 := 0; 464#L880-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 497#L675 assume { :end_inline_timeShift } true; 477#L912-3 [2018-11-18 09:37:56,001 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:37:56,002 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2018-11-18 09:37:56,002 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:37:56,002 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:37:56,003 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:37:56,003 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:37:56,003 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:37:56,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:37:56,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:37:56,055 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:37:56,055 INFO L82 PathProgramCache]: Analyzing trace with hash 1159267338, now seen corresponding path program 1 times [2018-11-18 09:37:56,055 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:37:56,055 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:37:56,056 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:37:56,056 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 09:37:56,056 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:37:56,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:37:56,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:37:56,076 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:37:56,076 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 09:37:56,076 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 09:37:56,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 09:37:56,077 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 09:37:56,077 INFO L87 Difference]: Start difference. First operand 174 states and 229 transitions. cyclomatic complexity: 57 Second operand 3 states. [2018-11-18 09:37:56,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:37:56,166 INFO L93 Difference]: Finished difference Result 241 states and 306 transitions. [2018-11-18 09:37:56,166 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 09:37:56,167 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 241 states and 306 transitions. [2018-11-18 09:37:56,169 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 168 [2018-11-18 09:37:56,171 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 241 states to 241 states and 306 transitions. [2018-11-18 09:37:56,171 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 241 [2018-11-18 09:37:56,171 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 241 [2018-11-18 09:37:56,171 INFO L73 IsDeterministic]: Start isDeterministic. Operand 241 states and 306 transitions. [2018-11-18 09:37:56,172 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 09:37:56,172 INFO L705 BuchiCegarLoop]: Abstraction has 241 states and 306 transitions. [2018-11-18 09:37:56,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states and 306 transitions. [2018-11-18 09:37:56,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 241. [2018-11-18 09:37:56,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 241 states. [2018-11-18 09:37:56,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 306 transitions. [2018-11-18 09:37:56,181 INFO L728 BuchiCegarLoop]: Abstraction has 241 states and 306 transitions. [2018-11-18 09:37:56,181 INFO L608 BuchiCegarLoop]: Abstraction has 241 states and 306 transitions. [2018-11-18 09:37:56,181 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 09:37:56,181 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 241 states and 306 transitions. [2018-11-18 09:37:56,183 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 168 [2018-11-18 09:37:56,183 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 09:37:56,183 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 09:37:56,184 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:37:56,184 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:37:56,184 INFO L794 eck$LassoCheckResult]: Stem: 975#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(30);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(9);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(21);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(30);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(9);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(21);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(30);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(9);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(25);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(30);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(9);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(25);call #t~string37.base, #t~string37.offset := #Ultimate.alloc(13);call #t~string39.base, #t~string39.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string39.base,#t~string39.offset := 44];#memory_int := #memory_int[#t~string39.base,1 + #t~string39.offset := 77];#memory_int := #memory_int[#t~string39.base,2 + #t~string39.offset := 101];#memory_int := #memory_int[#t~string39.base,3 + #t~string39.offset := 116];#memory_int := #memory_int[#t~string39.base,4 + #t~string39.offset := 104];#memory_int := #memory_int[#t~string39.base,5 + #t~string39.offset := 58];#memory_int := #memory_int[#t~string39.base,6 + #t~string39.offset := 0];call #t~string41.base, #t~string41.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string41.base,#t~string41.offset := 67];#memory_int := #memory_int[#t~string41.base,1 + #t~string41.offset := 82];#memory_int := #memory_int[#t~string41.base,2 + #t~string41.offset := 73];#memory_int := #memory_int[#t~string41.base,3 + #t~string41.offset := 84];#memory_int := #memory_int[#t~string41.base,4 + #t~string41.offset := 0];call #t~string43.base, #t~string43.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string43.base,#t~string43.offset := 79];#memory_int := #memory_int[#t~string43.base,1 + #t~string43.offset := 75];#memory_int := #memory_int[#t~string43.base,2 + #t~string43.offset := 0];call #t~string45.base, #t~string45.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string45.base,#t~string45.offset := 41];#memory_int := #memory_int[#t~string45.base,1 + #t~string45.offset := 0];call #t~string52.base, #t~string52.offset := #Ultimate.alloc(13);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string54.base,#t~string54.offset := 79];#memory_int := #memory_int[#t~string54.base,1 + #t~string54.offset := 110];#memory_int := #memory_int[#t~string54.base,2 + #t~string54.offset := 0];call #t~string56.base, #t~string56.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string56.base,#t~string56.offset := 79];#memory_int := #memory_int[#t~string56.base,1 + #t~string56.offset := 102];#memory_int := #memory_int[#t~string56.base,2 + #t~string56.offset := 102];#memory_int := #memory_int[#t~string56.base,3 + #t~string56.offset := 0];call #t~string58.base, #t~string58.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string58.base,#t~string58.offset := 44];#memory_int := #memory_int[#t~string58.base,1 + #t~string58.offset := 80];#memory_int := #memory_int[#t~string58.base,2 + #t~string58.offset := 117];#memory_int := #memory_int[#t~string58.base,3 + #t~string58.offset := 109];#memory_int := #memory_int[#t~string58.base,4 + #t~string58.offset := 112];#memory_int := #memory_int[#t~string58.base,5 + #t~string58.offset := 58];#memory_int := #memory_int[#t~string58.base,6 + #t~string58.offset := 0];call #t~string60.base, #t~string60.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string60.base,#t~string60.offset := 79];#memory_int := #memory_int[#t~string60.base,1 + #t~string60.offset := 110];#memory_int := #memory_int[#t~string60.base,2 + #t~string60.offset := 0];call #t~string62.base, #t~string62.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string62.base,#t~string62.offset := 79];#memory_int := #memory_int[#t~string62.base,1 + #t~string62.offset := 102];#memory_int := #memory_int[#t~string62.base,2 + #t~string62.offset := 102];#memory_int := #memory_int[#t~string62.base,3 + #t~string62.offset := 0];call #t~string64.base, #t~string64.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string64.base,#t~string64.offset := 41];#memory_int := #memory_int[#t~string64.base,1 + #t~string64.offset := 32];#memory_int := #memory_int[#t~string64.base,2 + #t~string64.offset := 0];call #t~string66.base, #t~string66.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string66.base,#t~string66.offset := 10];#memory_int := #memory_int[#t~string66.base,1 + #t~string66.offset := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 834#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret46, main_~retValue_acc~8, main_~tmp~3;havoc main_~retValue_acc~8;havoc main_~tmp~3;assume { :begin_inline_select_helpers } true; 835#L65 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 846#L58 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;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; 828#L73 main_#t~ret46 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~3 := main_#t~ret46;havoc main_#t~ret46; 814#L632 assume 0 != main_~tmp~3;assume { :begin_inline_setup } true; 815#L606 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 933#L869 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_#t~nondet73, test_~splverifierCounter~0, test_~tmp~9, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~9;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 987#L912-3 [2018-11-18 09:37:56,184 INFO L796 eck$LassoCheckResult]: Loop: 987#L912-3 assume true; 918#L912-1 assume !false; 919#L913 assume test_~splverifierCounter~0 < 4; 961#L914 test_~tmp~9 := test_#t~nondet70;havoc test_#t~nondet70; 962#L922 assume !(0 != test_~tmp~9); 890#L922-2 test_~tmp___0~2 := test_#t~nondet71;havoc test_#t~nondet71; 801#L932 assume !(0 != test_~tmp___0~2); 803#L932-2 test_~tmp___2~0 := test_#t~nondet72;havoc test_#t~nondet72; 821#L942 assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 920#L850 assume { :end_inline_startSystem } true; 930#L950-2 assume { :begin_inline_timeShift } true; 931#L658 assume !(0 != ~pumpRunning~0); 963#L658-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret48, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; 947#L716 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret47, processEnvironment__wrappee__methaneQuery_~tmp~4;havoc processEnvironment__wrappee__methaneQuery_~tmp~4; 948#L690-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret67, isHighWaterLevel_~retValue_acc~11, isHighWaterLevel_~tmp~7, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~11;havoc isHighWaterLevel_~tmp~7;havoc isHighWaterLevel_~tmp___0~0;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~7;havoc isHighWaterSensorDry_~retValue_acc~7; 973#L534-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~7 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~7; 974#L539-1 isHighWaterLevel_#t~ret67 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~7 := isHighWaterLevel_#t~ret67;havoc isHighWaterLevel_#t~ret67; 906#L835-3 assume 0 != isHighWaterLevel_~tmp~7;isHighWaterLevel_~tmp___0~0 := 0; 888#L835-5 isHighWaterLevel_~retValue_acc~11 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~11; 844#L841-1 processEnvironment__wrappee__methaneQuery_#t~ret47 := isHighWaterLevel_#res;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__methaneQuery_~tmp~4 := processEnvironment__wrappee__methaneQuery_#t~ret47;havoc processEnvironment__wrappee__methaneQuery_#t~ret47; 845#L694-3 assume !(0 != processEnvironment__wrappee__methaneQuery_~tmp~4);assume { :begin_inline_processEnvironment__wrappee__base } true; 934#L682-2 assume { :end_inline_processEnvironment__wrappee__base } true; 979#L690-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 833#L716-1 assume { :end_inline_processEnvironment } true; 1040#L665-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret68, __utac_acc__Specification2_spec__2_#t~ret69, __utac_acc__Specification2_spec__2_~tmp~8, __utac_acc__Specification2_spec__2_~tmp___0~1;havoc __utac_acc__Specification2_spec__2_~tmp~8;havoc __utac_acc__Specification2_spec__2_~tmp___0~1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~5;havoc isMethaneLevelCritical_~retValue_acc~5;isMethaneLevelCritical_~retValue_acc~5 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~5; 1039#L494-3 __utac_acc__Specification2_spec__2_#t~ret68 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~8 := __utac_acc__Specification2_spec__2_#t~ret68;havoc __utac_acc__Specification2_spec__2_#t~ret68; 1037#L880 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~8);~methAndRunningLastTime~0 := 0; 1034#L880-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 1033#L675 assume { :end_inline_timeShift } true; 987#L912-3 [2018-11-18 09:37:56,185 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:37:56,185 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2018-11-18 09:37:56,185 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:37:56,185 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:37:56,186 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:37:56,186 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:37:56,186 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:37:56,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:37:56,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:37:56,227 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:37:56,228 INFO L82 PathProgramCache]: Analyzing trace with hash -349307229, now seen corresponding path program 1 times [2018-11-18 09:37:56,228 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:37:56,228 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:37:56,229 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:37:56,229 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 09:37:56,229 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:37:56,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:37:56,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:37:56,243 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:37:56,243 INFO L82 PathProgramCache]: Analyzing trace with hash 557109338, now seen corresponding path program 1 times [2018-11-18 09:37:56,243 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:37:56,244 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:37:56,244 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:37:56,244 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:37:56,245 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:37:56,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:37:56,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:39:28,526 WARN L180 SmtUtils]: Spent 1.54 m on a formula simplification. DAG size of input: 399 DAG size of output: 397 [2018-11-18 09:40:19,015 WARN L180 SmtUtils]: Spent 50.48 s on a formula simplification that was a NOOP. DAG size: 395 [2018-11-18 09:40:19,084 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 09:40:19 BoogieIcfgContainer [2018-11-18 09:40:19,084 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 09:40:19,085 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 09:40:19,085 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 09:40:19,085 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 09:40:19,085 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:37:55" (3/4) ... [2018-11-18 09:40:19,087 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 09:40:19,153 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_6815b495-775f-4ddd-ab85-66e8dbe8fb3c/bin-2019/uautomizer/witness.graphml [2018-11-18 09:40:19,153 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 09:40:19,155 INFO L168 Benchmark]: Toolchain (without parser) took 144639.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 956.6 MB in the beginning and 962.0 MB in the end (delta: -5.5 MB). Peak memory consumption was 145.5 MB. Max. memory is 11.5 GB. [2018-11-18 09:40:19,155 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 09:40:19,156 INFO L168 Benchmark]: CACSL2BoogieTranslator took 383.67 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.0 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -151.1 MB). Peak memory consumption was 34.7 MB. Max. memory is 11.5 GB. [2018-11-18 09:40:19,156 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.63 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 09:40:19,156 INFO L168 Benchmark]: Boogie Preprocessor took 32.03 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 09:40:19,157 INFO L168 Benchmark]: RCFGBuilder took 608.80 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: 76.7 MB). Peak memory consumption was 76.7 MB. Max. memory is 11.5 GB. [2018-11-18 09:40:19,157 INFO L168 Benchmark]: BuchiAutomizer took 143491.10 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 32.0 MB). Free memory was 1.0 GB in the beginning and 966.8 MB in the end (delta: 58.8 MB). Peak memory consumption was 182.9 MB. Max. memory is 11.5 GB. [2018-11-18 09:40:19,158 INFO L168 Benchmark]: Witness Printer took 68.45 ms. Allocated memory is still 1.2 GB. Free memory was 966.8 MB in the beginning and 962.0 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 11.5 GB. [2018-11-18 09:40:19,160 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 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 383.67 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.0 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -151.1 MB). Peak memory consumption was 34.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 50.63 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 32.03 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 608.80 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: 76.7 MB). Peak memory consumption was 76.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 143491.10 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 32.0 MB). Free memory was 1.0 GB in the beginning and 966.8 MB in the end (delta: 58.8 MB). Peak memory consumption was 182.9 MB. Max. memory is 11.5 GB. * Witness Printer took 68.45 ms. Allocated memory is still 1.2 GB. Free memory was 966.8 MB in the beginning and 962.0 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 241 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 143.4s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 143.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 241 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 451 SDtfs, 406 SDslu, 101 SDs, 0 SdLazy, 33 SolverSat, 23 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI2 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 912]: 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 {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@23d032fa=0, NULL=0, ") "=0, "Off"=0, "CRIT"=0, ")"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2d711b32=0, "On"=0, retValue_acc=0, "OK"=0, ") "=38, "Off"=34, methaneLevelCritical=0, "Env(Water:%i"=24, tmp___0=0, "CRIT"=27, "__utac__get_this_argtype"=23, "\n"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@580e0867=0, tmp___1=0, tmp=0, "libacc.c"=18, "libacc.c"=15, "libacc.c"=11, "i > 0 && i <= this->argsCount"=17, ",Meth:"=26, cleanupTimeShifts=4, "i > 0 && i <= this->argsCount"=20, ")"=29, "libacc.c"=0, "__utac__get_this_arg"=0, "libacc.c"=0, NULL=0, systemActive=1, waterLevel=1, "libacc.c"=0, "__utac__get_this_argtype"=0, ",Pump:"=35, \result=0, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1055439c=0, "On"=0, "Pump(System:"=0, "On"=36, ",Pump:"=0, "Off"=0, \result=1, head=0, pumpRunning=0, \result=0, retValue_acc=1, "Pump(System:"=31, "__utac__get_this_arg"=12, tmp=1, "i > 0 && i <= this->argsCount"=0, "\n"=39, "__utac__get_this_argtype"=0, \result=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@404885d6=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@e87e715=162, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3b30b020=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@75ff29a8=0, "i > 0 && i <= this->argsCount"=14, retValue_acc=0, retValue_acc=1, tmp=1, tmp___2=162, tmp___0=0, tmp___0=0, "__utac__get_this_argtype"=19, splverifierCounter=0, methAndRunningLastTime=0, \result=0, head=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@31f50dcf=0, "i > 0 && i <= this->argsCount"=0, tmp=0, "__utac__get_this_arg"=16, "__utac__get_this_arg"=0, "i > 0 && i <= this->argsCount"=8, "libacc.c"=0, "libacc.c"=22, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@11fcc683=0, "Env(Water:%i"=0, ",Meth:"=0, "i > 0 && i <= this->argsCount"=0, "i > 0 && i <= this->argsCount"=0, "OK"=28, "Off"=37, "On"=33, tmp=0, tmp=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 912]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L375] FCALL "i > 0 && i <= this->argsCount" [L375] FCALL "libacc.c" [L376] FCALL "__utac__get_this_arg" [L382] FCALL "i > 0 && i <= this->argsCount" [L382] FCALL "libacc.c" [L383] FCALL "__utac__get_this_arg" [L421] FCALL "i > 0 && i <= this->argsCount" [L421] FCALL "libacc.c" [L422] FCALL "__utac__get_this_argtype" [L428] FCALL "i > 0 && i <= this->argsCount" [L428] FCALL "libacc.c" [L429] FCALL "__utac__get_this_argtype" [L503] FCALL "Env(Water:%i" [L504] FCALL ",Meth:" [L508] FCALL "CRIT" [L512] FCALL "OK" [L516] FCALL ")" [L795] FCALL "Pump(System:" [L799] FCALL "On" [L803] FCALL "Off" [L807] FCALL ",Pump:" [L811] FCALL "On" [L815] FCALL "Off" [L819] FCALL ") " [L821] FCALL "\n" [L451] int waterLevel = 1; [L452] int methaneLevelCritical = 0; [L545] int cleanupTimeShifts = 4; [L650] int pumpRunning = 0; [L651] int systemActive = 1; [L863] int methAndRunningLastTime ; [L247] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L623] int retValue_acc ; [L624] int tmp ; [L628] FCALL select_helpers() [L629] FCALL select_features() [L630] CALL, EXPR valid_product() [L69] int retValue_acc ; [L72] retValue_acc = 1 [L73] RET return (retValue_acc); [L630] EXPR valid_product() [L630] tmp = valid_product() [L632] COND TRUE \read(tmp) [L634] FCALL setup() [L635] CALL runTest() [L616] CALL __utac_acc__Specification2_spec__1() [L868] RET methAndRunningLastTime = 0 [L616] __utac_acc__Specification2_spec__1() [L617] CALL test() [L903] int splverifierCounter ; [L904] int tmp ; [L905] int tmp___0 ; [L906] int tmp___1 ; [L907] int tmp___2 ; [L910] splverifierCounter = 0 Loop: [L912] COND TRUE 1 [L914] COND TRUE splverifierCounter < 4 [L920] tmp = __VERIFIER_nondet_int() [L922] COND FALSE !(\read(tmp)) [L930] tmp___0 = __VERIFIER_nondet_int() [L932] COND FALSE !(\read(tmp___0)) [L940] tmp___2 = __VERIFIER_nondet_int() [L942] COND TRUE \read(tmp___2) [L944] CALL startSystem() [L849] RET systemActive = 1 [L944] startSystem() [L957] CALL timeShift() [L658] COND FALSE !(\read(pumpRunning)) [L665] COND TRUE \read(systemActive) [L667] CALL processEnvironment() [L713] int tmp ; [L716] COND FALSE !(\read(pumpRunning)) [L731] CALL processEnvironment__wrappee__methaneQuery() [L687] int tmp ; [L690] COND TRUE ! pumpRunning [L692] CALL, EXPR isHighWaterLevel() [L827] int retValue_acc ; [L828] int tmp ; [L829] int tmp___0 ; [L833] CALL, EXPR isHighWaterSensorDry() [L531] int retValue_acc ; [L534] COND TRUE waterLevel < 2 [L535] retValue_acc = 1 [L536] RET return (retValue_acc); [L833] EXPR isHighWaterSensorDry() [L833] tmp = isHighWaterSensorDry() [L835] COND TRUE \read(tmp) [L836] tmp___0 = 0 [L840] retValue_acc = tmp___0 [L841] RET return (retValue_acc); [L692] EXPR isHighWaterLevel() [L692] tmp = isHighWaterLevel() [L694] COND FALSE !(\read(tmp)) [L700] RET, FCALL processEnvironment__wrappee__base() [L731] RET processEnvironment__wrappee__methaneQuery() [L667] processEnvironment() [L673] CALL __utac_acc__Specification2_spec__2() [L873] int tmp ; [L874] int tmp___0 ; [L878] CALL, EXPR isMethaneLevelCritical() [L490] int retValue_acc ; [L493] retValue_acc = methaneLevelCritical [L494] RET return (retValue_acc); [L878] EXPR isMethaneLevelCritical() [L878] tmp = isMethaneLevelCritical() [L880] COND FALSE !(\read(tmp)) [L896] RET methAndRunningLastTime = 0 [L673] RET __utac_acc__Specification2_spec__2() [L957] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...