./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product41_false-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_886f4be6-a8d7-4d58-b413-0af618304149/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_886f4be6-a8d7-4d58-b413-0af618304149/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_886f4be6-a8d7-4d58-b413-0af618304149/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_886f4be6-a8d7-4d58-b413-0af618304149/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product41_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_886f4be6-a8d7-4d58-b413-0af618304149/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_886f4be6-a8d7-4d58-b413-0af618304149/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 5a2d3ce20e3d26ebf70024607ecab77b852f9995 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 08:34:28,940 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 08:34:28,941 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 08:34:28,950 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 08:34:28,950 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 08:34:28,950 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 08:34:28,951 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 08:34:28,953 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 08:34:28,954 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 08:34:28,954 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 08:34:28,955 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 08:34:28,955 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 08:34:28,956 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 08:34:28,956 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 08:34:28,957 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 08:34:28,957 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 08:34:28,958 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 08:34:28,959 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 08:34:28,960 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 08:34:28,961 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 08:34:28,961 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 08:34:28,962 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 08:34:28,963 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 08:34:28,963 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 08:34:28,963 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 08:34:28,964 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 08:34:28,965 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 08:34:28,966 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 08:34:28,966 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 08:34:28,967 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 08:34:28,967 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 08:34:28,968 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 08:34:28,968 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 08:34:28,968 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 08:34:28,969 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 08:34:28,969 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 08:34:28,969 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_886f4be6-a8d7-4d58-b413-0af618304149/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 08:34:28,978 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 08:34:28,978 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 08:34:28,979 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 08:34:28,979 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 08:34:28,979 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 08:34:28,979 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 08:34:28,980 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 08:34:28,980 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 08:34:28,980 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 08:34:28,980 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 08:34:28,980 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 08:34:28,980 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 08:34:28,980 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 08:34:28,981 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 08:34:28,981 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 08:34:28,981 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 08:34:28,981 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 08:34:28,981 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 08:34:28,981 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 08:34:28,981 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 08:34:28,981 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 08:34:28,982 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 08:34:28,982 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 08:34:28,982 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 08:34:28,982 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 08:34:28,982 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 08:34:28,982 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 08:34:28,982 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 08:34:28,983 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 08:34:28,983 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 08:34:28,983 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 08:34:28,984 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 08:34:28,984 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_886f4be6-a8d7-4d58-b413-0af618304149/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 -> 5a2d3ce20e3d26ebf70024607ecab77b852f9995 [2018-11-18 08:34:29,007 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 08:34:29,016 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 08:34:29,018 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 08:34:29,020 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 08:34:29,020 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 08:34:29,020 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_886f4be6-a8d7-4d58-b413-0af618304149/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product41_false-unreach-call_false-termination.cil.c [2018-11-18 08:34:29,061 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_886f4be6-a8d7-4d58-b413-0af618304149/bin-2019/uautomizer/data/6027a45d8/e953c2d0b27842539066ed8d8f2ff039/FLAG4eaa5d8e9 [2018-11-18 08:34:29,503 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 08:34:29,503 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_886f4be6-a8d7-4d58-b413-0af618304149/sv-benchmarks/c/product-lines/minepump_spec1_product41_false-unreach-call_false-termination.cil.c [2018-11-18 08:34:29,513 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_886f4be6-a8d7-4d58-b413-0af618304149/bin-2019/uautomizer/data/6027a45d8/e953c2d0b27842539066ed8d8f2ff039/FLAG4eaa5d8e9 [2018-11-18 08:34:29,525 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_886f4be6-a8d7-4d58-b413-0af618304149/bin-2019/uautomizer/data/6027a45d8/e953c2d0b27842539066ed8d8f2ff039 [2018-11-18 08:34:29,528 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 08:34:29,529 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 08:34:29,530 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 08:34:29,530 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 08:34:29,534 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 08:34:29,534 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:34:29" (1/1) ... [2018-11-18 08:34:29,536 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@345e74ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29, skipping insertion in model container [2018-11-18 08:34:29,537 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:34:29" (1/1) ... [2018-11-18 08:34:29,542 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 08:34:29,575 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 08:34:29,760 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 08:34:29,767 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 08:34:29,864 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 08:34:29,881 INFO L195 MainTranslator]: Completed translation [2018-11-18 08:34:29,881 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29 WrapperNode [2018-11-18 08:34:29,882 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 08:34:29,882 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 08:34:29,882 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 08:34:29,882 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 08:34:29,887 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29" (1/1) ... [2018-11-18 08:34:29,901 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29" (1/1) ... [2018-11-18 08:34:29,928 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 08:34:29,928 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 08:34:29,928 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 08:34:29,928 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 08:34:29,935 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29" (1/1) ... [2018-11-18 08:34:29,935 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29" (1/1) ... [2018-11-18 08:34:29,938 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29" (1/1) ... [2018-11-18 08:34:29,938 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29" (1/1) ... [2018-11-18 08:34:29,945 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29" (1/1) ... [2018-11-18 08:34:29,951 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29" (1/1) ... [2018-11-18 08:34:29,953 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29" (1/1) ... [2018-11-18 08:34:29,956 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 08:34:29,956 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 08:34:29,956 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 08:34:29,956 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 08:34:29,957 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_886f4be6-a8d7-4d58-b413-0af618304149/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 08:34:29,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 08:34:29,997 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 08:34:29,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 08:34:30,555 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 08:34:30,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:34:30 BoogieIcfgContainer [2018-11-18 08:34:30,556 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 08:34:30,556 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 08:34:30,556 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 08:34:30,559 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 08:34:30,560 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 08:34:30,560 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 08:34:29" (1/3) ... [2018-11-18 08:34:30,561 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5ee56218 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 08:34:30, skipping insertion in model container [2018-11-18 08:34:30,562 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 08:34:30,562 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29" (2/3) ... [2018-11-18 08:34:30,562 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5ee56218 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 08:34:30, skipping insertion in model container [2018-11-18 08:34:30,562 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 08:34:30,562 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:34:30" (3/3) ... [2018-11-18 08:34:30,564 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product41_false-unreach-call_false-termination.cil.c [2018-11-18 08:34:30,601 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 08:34:30,602 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 08:34:30,602 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 08:34:30,602 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 08:34:30,602 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 08:34:30,602 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 08:34:30,602 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 08:34:30,602 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 08:34:30,602 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 08:34:30,615 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 119 states. [2018-11-18 08:34:30,635 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 76 [2018-11-18 08:34:30,635 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 08:34:30,635 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 08:34:30,640 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:34:30,640 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:34:30,641 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 08:34:30,641 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 119 states. [2018-11-18 08:34:30,645 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 76 [2018-11-18 08:34:30,646 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 08:34:30,646 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 08:34:30,646 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:34:30,646 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:34:30,650 INFO L794 eck$LassoCheckResult]: Stem: 106#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(30);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(9);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(21);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(30);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(9);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(21);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(30);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(9);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(25);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(25);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(13);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string42.base,#t~string42.offset := 44];#memory_int := #memory_int[#t~string42.base,1 + #t~string42.offset := 77];#memory_int := #memory_int[#t~string42.base,2 + #t~string42.offset := 101];#memory_int := #memory_int[#t~string42.base,3 + #t~string42.offset := 116];#memory_int := #memory_int[#t~string42.base,4 + #t~string42.offset := 104];#memory_int := #memory_int[#t~string42.base,5 + #t~string42.offset := 58];#memory_int := #memory_int[#t~string42.base,6 + #t~string42.offset := 0];call #t~string44.base, #t~string44.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string44.base,#t~string44.offset := 67];#memory_int := #memory_int[#t~string44.base,1 + #t~string44.offset := 82];#memory_int := #memory_int[#t~string44.base,2 + #t~string44.offset := 73];#memory_int := #memory_int[#t~string44.base,3 + #t~string44.offset := 84];#memory_int := #memory_int[#t~string44.base,4 + #t~string44.offset := 0];call #t~string46.base, #t~string46.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string46.base,#t~string46.offset := 79];#memory_int := #memory_int[#t~string46.base,1 + #t~string46.offset := 75];#memory_int := #memory_int[#t~string46.base,2 + #t~string46.offset := 0];call #t~string48.base, #t~string48.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string48.base,#t~string48.offset := 41];#memory_int := #memory_int[#t~string48.base,1 + #t~string48.offset := 0];call #t~string53.base, #t~string53.offset := #Ultimate.alloc(13);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string55.base,#t~string55.offset := 79];#memory_int := #memory_int[#t~string55.base,1 + #t~string55.offset := 110];#memory_int := #memory_int[#t~string55.base,2 + #t~string55.offset := 0];call #t~string57.base, #t~string57.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string57.base,#t~string57.offset := 79];#memory_int := #memory_int[#t~string57.base,1 + #t~string57.offset := 102];#memory_int := #memory_int[#t~string57.base,2 + #t~string57.offset := 102];#memory_int := #memory_int[#t~string57.base,3 + #t~string57.offset := 0];call #t~string59.base, #t~string59.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string59.base,#t~string59.offset := 44];#memory_int := #memory_int[#t~string59.base,1 + #t~string59.offset := 80];#memory_int := #memory_int[#t~string59.base,2 + #t~string59.offset := 117];#memory_int := #memory_int[#t~string59.base,3 + #t~string59.offset := 109];#memory_int := #memory_int[#t~string59.base,4 + #t~string59.offset := 112];#memory_int := #memory_int[#t~string59.base,5 + #t~string59.offset := 58];#memory_int := #memory_int[#t~string59.base,6 + #t~string59.offset := 0];call #t~string61.base, #t~string61.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string61.base,#t~string61.offset := 79];#memory_int := #memory_int[#t~string61.base,1 + #t~string61.offset := 110];#memory_int := #memory_int[#t~string61.base,2 + #t~string61.offset := 0];call #t~string63.base, #t~string63.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string63.base,#t~string63.offset := 79];#memory_int := #memory_int[#t~string63.base,1 + #t~string63.offset := 102];#memory_int := #memory_int[#t~string63.base,2 + #t~string63.offset := 102];#memory_int := #memory_int[#t~string63.base,3 + #t~string63.offset := 0];call #t~string65.base, #t~string65.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string65.base,#t~string65.offset := 41];#memory_int := #memory_int[#t~string65.base,1 + #t~string65.offset := 32];#memory_int := #memory_int[#t~string65.base,2 + #t~string65.offset := 0];call #t~string67.base, #t~string67.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 10];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 16#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret69, main_~retValue_acc~9, main_~tmp~7;havoc main_~retValue_acc~9;havoc main_~tmp~7;assume { :begin_inline_select_helpers } true; 79#L870true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 36#L863true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 88#L878true main_#t~ret69 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~7 := main_#t~ret69;havoc main_#t~ret69; 93#L834true assume 0 != main_~tmp~7;assume { :begin_inline_setup } true; 19#L808true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 9#L420-3true [2018-11-18 08:34:30,651 INFO L796 eck$LassoCheckResult]: Loop: 9#L420-3true assume true; 4#L420-1true assume !false; 111#L421true assume test_~splverifierCounter~0 < 4; 49#L422true test_~tmp~3 := test_#t~nondet35;havoc test_#t~nondet35; 53#L430true assume !(0 != test_~tmp~3); 55#L430-2true test_~tmp___0~0 := test_#t~nondet36;havoc test_#t~nondet36; 114#L440true assume !(0 != test_~tmp___0~0); 115#L440-2true test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; 32#L450true assume 0 != test_~tmp___2~0; 121#L456-2true assume { :begin_inline_timeShift } true; 116#L586true assume !(0 != ~pumpRunning~0); 107#L586-2true assume !(0 != ~systemActive~0); 38#L593-1true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret71, __utac_acc__Specification1_spec__1_#t~ret72, __utac_acc__Specification1_spec__1_~tmp~8, __utac_acc__Specification1_spec__1_~tmp___0~2;havoc __utac_acc__Specification1_spec__1_~tmp~8;havoc __utac_acc__Specification1_spec__1_~tmp___0~2;assume { :begin_inline_isMethaneLevelCritical } true;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; 103#L523-1true __utac_acc__Specification1_spec__1_#t~ret71 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~8 := __utac_acc__Specification1_spec__1_#t~ret71;havoc __utac_acc__Specification1_spec__1_#t~ret71; 85#L900true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~8); 91#L900-1true assume { :end_inline___utac_acc__Specification1_spec__1 } true; 82#L603true assume { :end_inline_timeShift } true; 9#L420-3true [2018-11-18 08:34:30,655 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:30,655 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2018-11-18 08:34:30,656 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:30,657 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:30,687 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:30,687 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:30,687 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:30,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:30,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:30,823 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:30,823 INFO L82 PathProgramCache]: Analyzing trace with hash -1958804237, now seen corresponding path program 1 times [2018-11-18 08:34:30,823 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:30,823 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:30,824 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:30,824 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:30,824 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:30,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:30,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:30,835 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:30,835 INFO L82 PathProgramCache]: Analyzing trace with hash 1404481455, now seen corresponding path program 1 times [2018-11-18 08:34:30,836 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:30,836 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:30,836 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:30,837 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:30,837 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:30,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:30,966 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 08:34:30,967 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:34:30,968 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 08:34:31,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 08:34:31,053 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 08:34:31,055 INFO L87 Difference]: Start difference. First operand 119 states. Second operand 6 states. [2018-11-18 08:34:31,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:34:31,184 INFO L93 Difference]: Finished difference Result 116 states and 147 transitions. [2018-11-18 08:34:31,184 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 08:34:31,186 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 116 states and 147 transitions. [2018-11-18 08:34:31,189 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 72 [2018-11-18 08:34:31,192 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 116 states to 106 states and 137 transitions. [2018-11-18 08:34:31,193 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 106 [2018-11-18 08:34:31,194 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 106 [2018-11-18 08:34:31,194 INFO L73 IsDeterministic]: Start isDeterministic. Operand 106 states and 137 transitions. [2018-11-18 08:34:31,195 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 08:34:31,195 INFO L705 BuchiCegarLoop]: Abstraction has 106 states and 137 transitions. [2018-11-18 08:34:31,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states and 137 transitions. [2018-11-18 08:34:31,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2018-11-18 08:34:31,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2018-11-18 08:34:31,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 137 transitions. [2018-11-18 08:34:31,224 INFO L728 BuchiCegarLoop]: Abstraction has 106 states and 137 transitions. [2018-11-18 08:34:31,224 INFO L608 BuchiCegarLoop]: Abstraction has 106 states and 137 transitions. [2018-11-18 08:34:31,224 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 08:34:31,224 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 106 states and 137 transitions. [2018-11-18 08:34:31,226 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 72 [2018-11-18 08:34:31,226 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 08:34:31,226 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 08:34:31,226 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:34:31,227 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] [2018-11-18 08:34:31,227 INFO L794 eck$LassoCheckResult]: Stem: 356#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(30);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(9);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(21);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(30);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(9);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(21);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(30);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(9);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(25);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(25);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(13);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string42.base,#t~string42.offset := 44];#memory_int := #memory_int[#t~string42.base,1 + #t~string42.offset := 77];#memory_int := #memory_int[#t~string42.base,2 + #t~string42.offset := 101];#memory_int := #memory_int[#t~string42.base,3 + #t~string42.offset := 116];#memory_int := #memory_int[#t~string42.base,4 + #t~string42.offset := 104];#memory_int := #memory_int[#t~string42.base,5 + #t~string42.offset := 58];#memory_int := #memory_int[#t~string42.base,6 + #t~string42.offset := 0];call #t~string44.base, #t~string44.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string44.base,#t~string44.offset := 67];#memory_int := #memory_int[#t~string44.base,1 + #t~string44.offset := 82];#memory_int := #memory_int[#t~string44.base,2 + #t~string44.offset := 73];#memory_int := #memory_int[#t~string44.base,3 + #t~string44.offset := 84];#memory_int := #memory_int[#t~string44.base,4 + #t~string44.offset := 0];call #t~string46.base, #t~string46.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string46.base,#t~string46.offset := 79];#memory_int := #memory_int[#t~string46.base,1 + #t~string46.offset := 75];#memory_int := #memory_int[#t~string46.base,2 + #t~string46.offset := 0];call #t~string48.base, #t~string48.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string48.base,#t~string48.offset := 41];#memory_int := #memory_int[#t~string48.base,1 + #t~string48.offset := 0];call #t~string53.base, #t~string53.offset := #Ultimate.alloc(13);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string55.base,#t~string55.offset := 79];#memory_int := #memory_int[#t~string55.base,1 + #t~string55.offset := 110];#memory_int := #memory_int[#t~string55.base,2 + #t~string55.offset := 0];call #t~string57.base, #t~string57.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string57.base,#t~string57.offset := 79];#memory_int := #memory_int[#t~string57.base,1 + #t~string57.offset := 102];#memory_int := #memory_int[#t~string57.base,2 + #t~string57.offset := 102];#memory_int := #memory_int[#t~string57.base,3 + #t~string57.offset := 0];call #t~string59.base, #t~string59.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string59.base,#t~string59.offset := 44];#memory_int := #memory_int[#t~string59.base,1 + #t~string59.offset := 80];#memory_int := #memory_int[#t~string59.base,2 + #t~string59.offset := 117];#memory_int := #memory_int[#t~string59.base,3 + #t~string59.offset := 109];#memory_int := #memory_int[#t~string59.base,4 + #t~string59.offset := 112];#memory_int := #memory_int[#t~string59.base,5 + #t~string59.offset := 58];#memory_int := #memory_int[#t~string59.base,6 + #t~string59.offset := 0];call #t~string61.base, #t~string61.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string61.base,#t~string61.offset := 79];#memory_int := #memory_int[#t~string61.base,1 + #t~string61.offset := 110];#memory_int := #memory_int[#t~string61.base,2 + #t~string61.offset := 0];call #t~string63.base, #t~string63.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string63.base,#t~string63.offset := 79];#memory_int := #memory_int[#t~string63.base,1 + #t~string63.offset := 102];#memory_int := #memory_int[#t~string63.base,2 + #t~string63.offset := 102];#memory_int := #memory_int[#t~string63.base,3 + #t~string63.offset := 0];call #t~string65.base, #t~string65.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string65.base,#t~string65.offset := 41];#memory_int := #memory_int[#t~string65.base,1 + #t~string65.offset := 32];#memory_int := #memory_int[#t~string65.base,2 + #t~string65.offset := 0];call #t~string67.base, #t~string67.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 10];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 269#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret69, main_~retValue_acc~9, main_~tmp~7;havoc main_~retValue_acc~9;havoc main_~tmp~7;assume { :begin_inline_select_helpers } true; 270#L870 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 298#L863 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 299#L878 main_#t~ret69 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~7 := main_#t~ret69;havoc main_#t~ret69; 352#L834 assume 0 != main_~tmp~7;assume { :begin_inline_setup } true; 274#L808 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 261#L420-3 [2018-11-18 08:34:31,227 INFO L796 eck$LassoCheckResult]: Loop: 261#L420-3 assume true; 255#L420-1 assume !false; 256#L421 assume test_~splverifierCounter~0 < 4; 318#L422 test_~tmp~3 := test_#t~nondet35;havoc test_#t~nondet35; 319#L430 assume !(0 != test_~tmp~3); 325#L430-2 test_~tmp___0~0 := test_#t~nondet36;havoc test_#t~nondet36; 326#L440 assume !(0 != test_~tmp___0~0); 316#L440-2 test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; 291#L450 assume 0 != test_~tmp___2~0; 292#L456-2 assume { :begin_inline_timeShift } true; 358#L586 assume !(0 != ~pumpRunning~0); 254#L586-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret49, processEnvironment_~tmp~4;havoc processEnvironment_~tmp~4; 297#L618 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 263#L610-1 assume { :end_inline_processEnvironment__wrappee__base } true; 260#L618-1 assume { :end_inline_processEnvironment } true; 271#L593-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret71, __utac_acc__Specification1_spec__1_#t~ret72, __utac_acc__Specification1_spec__1_~tmp~8, __utac_acc__Specification1_spec__1_~tmp___0~2;havoc __utac_acc__Specification1_spec__1_~tmp~8;havoc __utac_acc__Specification1_spec__1_~tmp___0~2;assume { :begin_inline_isMethaneLevelCritical } true;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; 302#L523-1 __utac_acc__Specification1_spec__1_#t~ret71 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~8 := __utac_acc__Specification1_spec__1_#t~ret71;havoc __utac_acc__Specification1_spec__1_#t~ret71; 348#L900 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~8); 301#L900-1 assume { :end_inline___utac_acc__Specification1_spec__1 } true; 346#L603 assume { :end_inline_timeShift } true; 261#L420-3 [2018-11-18 08:34:31,227 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:31,228 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2018-11-18 08:34:31,228 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:31,228 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:31,229 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:31,229 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:31,229 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:31,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:31,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:31,273 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:31,273 INFO L82 PathProgramCache]: Analyzing trace with hash -1715236811, now seen corresponding path program 1 times [2018-11-18 08:34:31,273 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:31,273 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:31,274 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:31,274 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 08:34:31,274 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:31,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:31,291 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 08:34:31,291 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:34:31,291 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 08:34:31,292 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 08:34:31,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 08:34:31,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 08:34:31,292 INFO L87 Difference]: Start difference. First operand 106 states and 137 transitions. cyclomatic complexity: 33 Second operand 3 states. [2018-11-18 08:34:31,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:34:31,340 INFO L93 Difference]: Finished difference Result 163 states and 204 transitions. [2018-11-18 08:34:31,341 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 08:34:31,341 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 163 states and 204 transitions. [2018-11-18 08:34:31,343 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 116 [2018-11-18 08:34:31,345 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 163 states to 163 states and 204 transitions. [2018-11-18 08:34:31,345 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 163 [2018-11-18 08:34:31,346 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 163 [2018-11-18 08:34:31,346 INFO L73 IsDeterministic]: Start isDeterministic. Operand 163 states and 204 transitions. [2018-11-18 08:34:31,347 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 08:34:31,347 INFO L705 BuchiCegarLoop]: Abstraction has 163 states and 204 transitions. [2018-11-18 08:34:31,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states and 204 transitions. [2018-11-18 08:34:31,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 163. [2018-11-18 08:34:31,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2018-11-18 08:34:31,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 204 transitions. [2018-11-18 08:34:31,354 INFO L728 BuchiCegarLoop]: Abstraction has 163 states and 204 transitions. [2018-11-18 08:34:31,355 INFO L608 BuchiCegarLoop]: Abstraction has 163 states and 204 transitions. [2018-11-18 08:34:31,355 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 08:34:31,355 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 163 states and 204 transitions. [2018-11-18 08:34:31,356 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 116 [2018-11-18 08:34:31,356 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 08:34:31,356 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 08:34:31,357 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:34:31,357 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] [2018-11-18 08:34:31,357 INFO L794 eck$LassoCheckResult]: Stem: 640#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(30);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(9);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(21);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(30);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(9);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(21);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(30);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(9);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(25);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(25);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(13);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string42.base,#t~string42.offset := 44];#memory_int := #memory_int[#t~string42.base,1 + #t~string42.offset := 77];#memory_int := #memory_int[#t~string42.base,2 + #t~string42.offset := 101];#memory_int := #memory_int[#t~string42.base,3 + #t~string42.offset := 116];#memory_int := #memory_int[#t~string42.base,4 + #t~string42.offset := 104];#memory_int := #memory_int[#t~string42.base,5 + #t~string42.offset := 58];#memory_int := #memory_int[#t~string42.base,6 + #t~string42.offset := 0];call #t~string44.base, #t~string44.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string44.base,#t~string44.offset := 67];#memory_int := #memory_int[#t~string44.base,1 + #t~string44.offset := 82];#memory_int := #memory_int[#t~string44.base,2 + #t~string44.offset := 73];#memory_int := #memory_int[#t~string44.base,3 + #t~string44.offset := 84];#memory_int := #memory_int[#t~string44.base,4 + #t~string44.offset := 0];call #t~string46.base, #t~string46.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string46.base,#t~string46.offset := 79];#memory_int := #memory_int[#t~string46.base,1 + #t~string46.offset := 75];#memory_int := #memory_int[#t~string46.base,2 + #t~string46.offset := 0];call #t~string48.base, #t~string48.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string48.base,#t~string48.offset := 41];#memory_int := #memory_int[#t~string48.base,1 + #t~string48.offset := 0];call #t~string53.base, #t~string53.offset := #Ultimate.alloc(13);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string55.base,#t~string55.offset := 79];#memory_int := #memory_int[#t~string55.base,1 + #t~string55.offset := 110];#memory_int := #memory_int[#t~string55.base,2 + #t~string55.offset := 0];call #t~string57.base, #t~string57.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string57.base,#t~string57.offset := 79];#memory_int := #memory_int[#t~string57.base,1 + #t~string57.offset := 102];#memory_int := #memory_int[#t~string57.base,2 + #t~string57.offset := 102];#memory_int := #memory_int[#t~string57.base,3 + #t~string57.offset := 0];call #t~string59.base, #t~string59.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string59.base,#t~string59.offset := 44];#memory_int := #memory_int[#t~string59.base,1 + #t~string59.offset := 80];#memory_int := #memory_int[#t~string59.base,2 + #t~string59.offset := 117];#memory_int := #memory_int[#t~string59.base,3 + #t~string59.offset := 109];#memory_int := #memory_int[#t~string59.base,4 + #t~string59.offset := 112];#memory_int := #memory_int[#t~string59.base,5 + #t~string59.offset := 58];#memory_int := #memory_int[#t~string59.base,6 + #t~string59.offset := 0];call #t~string61.base, #t~string61.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string61.base,#t~string61.offset := 79];#memory_int := #memory_int[#t~string61.base,1 + #t~string61.offset := 110];#memory_int := #memory_int[#t~string61.base,2 + #t~string61.offset := 0];call #t~string63.base, #t~string63.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string63.base,#t~string63.offset := 79];#memory_int := #memory_int[#t~string63.base,1 + #t~string63.offset := 102];#memory_int := #memory_int[#t~string63.base,2 + #t~string63.offset := 102];#memory_int := #memory_int[#t~string63.base,3 + #t~string63.offset := 0];call #t~string65.base, #t~string65.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string65.base,#t~string65.offset := 41];#memory_int := #memory_int[#t~string65.base,1 + #t~string65.offset := 32];#memory_int := #memory_int[#t~string65.base,2 + #t~string65.offset := 0];call #t~string67.base, #t~string67.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 10];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 546#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret69, main_~retValue_acc~9, main_~tmp~7;havoc main_~retValue_acc~9;havoc main_~tmp~7;assume { :begin_inline_select_helpers } true; 547#L870 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 574#L863 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 575#L878 main_#t~ret69 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~7 := main_#t~ret69;havoc main_#t~ret69; 631#L834 assume 0 != main_~tmp~7;assume { :begin_inline_setup } true; 551#L808 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 538#L420-3 [2018-11-18 08:34:31,358 INFO L796 eck$LassoCheckResult]: Loop: 538#L420-3 assume true; 530#L420-1 assume !false; 531#L421 assume test_~splverifierCounter~0 < 4; 644#L422 test_~tmp~3 := test_#t~nondet35;havoc test_#t~nondet35; 688#L430 assume !(0 != test_~tmp~3); 686#L430-2 test_~tmp___0~0 := test_#t~nondet36;havoc test_#t~nondet36; 684#L440 assume !(0 != test_~tmp___0~0); 682#L440-2 test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; 569#L450 assume 0 != test_~tmp___2~0; 570#L456-2 assume { :begin_inline_timeShift } true; 647#L586 assume !(0 != ~pumpRunning~0); 641#L586-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret49, processEnvironment_~tmp~4;havoc processEnvironment_~tmp~4; 573#L618 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret68, isHighWaterLevel_~retValue_acc~8, isHighWaterLevel_~tmp~6, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~8;havoc isHighWaterLevel_~tmp~6;havoc isHighWaterLevel_~tmp___0~1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~5;havoc isHighWaterSensorDry_~retValue_acc~5; 549#L563 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~5 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~5; 550#L568 isHighWaterLevel_#t~ret68 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~6 := isHighWaterLevel_#t~ret68;havoc isHighWaterLevel_#t~ret68; 581#L738 assume 0 != isHighWaterLevel_~tmp~6;isHighWaterLevel_~tmp___0~1 := 0; 609#L738-2 isHighWaterLevel_~retValue_acc~8 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~8; 586#L744 processEnvironment_#t~ret49 := isHighWaterLevel_#res;assume { :end_inline_isHighWaterLevel } true;processEnvironment_~tmp~4 := processEnvironment_#t~ret49;havoc processEnvironment_#t~ret49; 587#L622 assume !(0 != processEnvironment_~tmp~4);assume { :begin_inline_processEnvironment__wrappee__base } true; 534#L610 assume { :end_inline_processEnvironment__wrappee__base } true; 535#L618-1 assume { :end_inline_processEnvironment } true; 548#L593-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret71, __utac_acc__Specification1_spec__1_#t~ret72, __utac_acc__Specification1_spec__1_~tmp~8, __utac_acc__Specification1_spec__1_~tmp___0~2;havoc __utac_acc__Specification1_spec__1_~tmp~8;havoc __utac_acc__Specification1_spec__1_~tmp___0~2;assume { :begin_inline_isMethaneLevelCritical } true;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; 578#L523-1 __utac_acc__Specification1_spec__1_#t~ret71 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~8 := __utac_acc__Specification1_spec__1_#t~ret71;havoc __utac_acc__Specification1_spec__1_#t~ret71; 628#L900 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~8); 577#L900-1 assume { :end_inline___utac_acc__Specification1_spec__1 } true; 624#L603 assume { :end_inline_timeShift } true; 538#L420-3 [2018-11-18 08:34:31,358 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:31,358 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2018-11-18 08:34:31,358 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:31,358 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:31,359 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:31,359 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:31,359 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:31,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:31,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:31,397 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:31,397 INFO L82 PathProgramCache]: Analyzing trace with hash 2008136157, now seen corresponding path program 1 times [2018-11-18 08:34:31,397 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:31,397 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:31,398 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:31,398 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 08:34:31,398 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:31,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:31,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:31,408 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:31,408 INFO L82 PathProgramCache]: Analyzing trace with hash 1881694881, now seen corresponding path program 1 times [2018-11-18 08:34:31,408 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:31,408 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:31,410 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:31,410 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:31,410 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:31,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:31,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:31,589 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 49 [2018-11-18 08:35:14,491 WARN L180 SmtUtils]: Spent 42.83 s on a formula simplification. DAG size of input: 395 DAG size of output: 393 [2018-11-18 08:35:35,696 WARN L180 SmtUtils]: Spent 21.20 s on a formula simplification that was a NOOP. DAG size: 393 [2018-11-18 08:35:35,771 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 08:35:35 BoogieIcfgContainer [2018-11-18 08:35:35,771 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 08:35:35,771 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 08:35:35,772 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 08:35:35,772 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 08:35:35,772 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:34:30" (3/4) ... [2018-11-18 08:35:35,774 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 08:35:35,825 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_886f4be6-a8d7-4d58-b413-0af618304149/bin-2019/uautomizer/witness.graphml [2018-11-18 08:35:35,825 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 08:35:35,826 INFO L168 Benchmark]: Toolchain (without parser) took 66297.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 216.5 MB). Free memory was 956.6 MB in the beginning and 861.6 MB in the end (delta: 95.0 MB). Peak memory consumption was 311.5 MB. Max. memory is 11.5 GB. [2018-11-18 08:35:35,827 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 08:35:35,827 INFO L168 Benchmark]: CACSL2BoogieTranslator took 351.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -178.5 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2018-11-18 08:35:35,827 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-18 08:35:35,828 INFO L168 Benchmark]: Boogie Preprocessor took 27.92 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 08:35:35,828 INFO L168 Benchmark]: RCFGBuilder took 599.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 67.1 MB). Peak memory consumption was 67.1 MB. Max. memory is 11.5 GB. [2018-11-18 08:35:35,828 INFO L168 Benchmark]: BuchiAutomizer took 65215.07 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 68.7 MB). Free memory was 1.1 GB in the beginning and 866.9 MB in the end (delta: 197.7 MB). Peak memory consumption was 266.4 MB. Max. memory is 11.5 GB. [2018-11-18 08:35:35,829 INFO L168 Benchmark]: Witness Printer took 53.76 ms. Allocated memory is still 1.2 GB. Free memory was 866.9 MB in the beginning and 861.6 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 11.5 GB. [2018-11-18 08:35:35,831 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 351.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -178.5 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 45.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.92 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 599.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 67.1 MB). Peak memory consumption was 67.1 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 65215.07 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 68.7 MB). Free memory was 1.1 GB in the beginning and 866.9 MB in the end (delta: 197.7 MB). Peak memory consumption was 266.4 MB. Max. memory is 11.5 GB. * Witness Printer took 53.76 ms. Allocated memory is still 1.2 GB. Free memory was 866.9 MB in the beginning and 861.6 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 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 6 locations. The remainder module has 163 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 65.1s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 64.8s. Construction of modules took 0.1s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 163 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 279 SDtfs, 541 SDslu, 77 SDs, 0 SdLazy, 29 SolverSat, 15 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 420]: 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, "On"=38, "Off"=0, "OK"=0, "OK"=17, "Env(Water:%i"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@375c1fd0=0, "CRIT"=0, "On"=0, "Off"=34, ",Meth:"=0, retValue_acc=0, methaneLevelCritical=0, tmp___0=0, retValue_acc=1, tmp=0, ") "=0, retValue_acc=0, "\n"=0, tmp___1=0, "__utac__get_this_argtype"=24, "__utac__get_this_arg"=28, tmp___0=0, "__utac__get_this_arg"=8, "libacc.c"=26, cleanupTimeShifts=4, "libacc.c"=22, ",Meth:"=18, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@ca74336=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4f5dc283=171, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1f420980=0, "Pump(System:"=37, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@394052f9=0, "__utac__get_this_arg"=0, "i > 0 && i <= this->argsCount"=0, "i > 0 && i <= this->argsCount"=0, "__utac__get_this_argtype"=0, NULL=0, systemActive=1, waterLevel=1, "__utac__get_this_argtype"=0, "i > 0 && i <= this->argsCount"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7b8b176d=0, retValue_acc=0, \result=0, "CRIT"=16, tmp___0=0, "On"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3229e9c6=0, "Off"=0, "Pump(System:"=0, \result=1, "i > 0 && i <= this->argsCount"=14, head=0, pumpRunning=0, "Off"=31, \result=0, retValue_acc=1, "i > 0 && i <= this->argsCount"=11, "libacc.c"=0, tmp=1, "i > 0 && i <= this->argsCount"=0, \result=1, ")"=36, "\n"=40, "On"=35, "libacc.c"=29, tmp=0, tmp___2=171, "i > 0 && i <= this->argsCount"=23, tmp=1, splverifierCounter=0, ",Pump:"=0, \result=0, ",Pump:"=39, head=0, tmp=0, "libacc.c"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@76c13b65=0, "libacc.c"=12, "i > 0 && i <= this->argsCount"=27, "__utac__get_this_arg"=0, "__utac__get_this_argtype"=20, "libacc.c"=0, "libacc.c"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@630bff2e=0, "Env(Water:%i"=19, ")"=0, ") "=33} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 420]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L337] FCALL "i > 0 && i <= this->argsCount" [L337] FCALL "libacc.c" [L338] FCALL "__utac__get_this_arg" [L344] FCALL "i > 0 && i <= this->argsCount" [L344] FCALL "libacc.c" [L345] FCALL "__utac__get_this_arg" [L383] FCALL "i > 0 && i <= this->argsCount" [L383] FCALL "libacc.c" [L384] FCALL "__utac__get_this_argtype" [L390] FCALL "i > 0 && i <= this->argsCount" [L390] FCALL "libacc.c" [L391] FCALL "__utac__get_this_argtype" [L532] FCALL "Env(Water:%i" [L533] FCALL ",Meth:" [L537] FCALL "CRIT" [L541] FCALL "OK" [L545] FCALL ")" [L698] FCALL "Pump(System:" [L702] FCALL "On" [L706] FCALL "Off" [L710] FCALL ",Pump:" [L714] FCALL "On" [L718] FCALL "Off" [L722] FCALL ") " [L724] FCALL "\n" [L480] int waterLevel = 1; [L481] int methaneLevelCritical = 0; [L578] int pumpRunning = 0; [L579] int systemActive = 1; [L749] int cleanupTimeShifts = 4; [L209] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L825] int retValue_acc ; [L826] int tmp ; [L830] FCALL select_helpers() [L831] FCALL select_features() [L832] CALL, EXPR valid_product() [L874] int retValue_acc ; [L877] retValue_acc = 1 [L878] RET return (retValue_acc); [L832] EXPR valid_product() [L832] tmp = valid_product() [L834] COND TRUE \read(tmp) [L836] FCALL setup() [L837] CALL runTest() [L816] CALL test() [L411] int splverifierCounter ; [L412] int tmp ; [L413] int tmp___0 ; [L414] int tmp___1 ; [L415] int tmp___2 ; [L418] splverifierCounter = 0 Loop: [L420] COND TRUE 1 [L422] COND TRUE splverifierCounter < 4 [L428] tmp = __VERIFIER_nondet_int() [L430] COND FALSE !(\read(tmp)) [L438] tmp___0 = __VERIFIER_nondet_int() [L440] COND FALSE !(\read(tmp___0)) [L448] tmp___2 = __VERIFIER_nondet_int() [L450] COND TRUE \read(tmp___2) [L463] CALL timeShift() [L586] COND FALSE !(\read(pumpRunning)) [L593] COND TRUE \read(systemActive) [L595] CALL processEnvironment() [L615] int tmp ; [L618] COND TRUE ! pumpRunning [L620] CALL, EXPR isHighWaterLevel() [L730] int retValue_acc ; [L731] int tmp ; [L732] int tmp___0 ; [L736] CALL, EXPR isHighWaterSensorDry() [L560] int retValue_acc ; [L563] COND TRUE waterLevel < 2 [L564] retValue_acc = 1 [L565] RET return (retValue_acc); [L736] EXPR isHighWaterSensorDry() [L736] tmp = isHighWaterSensorDry() [L738] COND TRUE \read(tmp) [L739] tmp___0 = 0 [L743] retValue_acc = tmp___0 [L744] RET return (retValue_acc); [L620] EXPR isHighWaterLevel() [L620] tmp = isHighWaterLevel() [L622] COND FALSE !(\read(tmp)) [L628] RET, FCALL processEnvironment__wrappee__base() [L595] processEnvironment() [L601] CALL __utac_acc__Specification1_spec__1() [L893] int tmp ; [L894] int tmp___0 ; [L898] CALL, EXPR isMethaneLevelCritical() [L519] int retValue_acc ; [L522] retValue_acc = methaneLevelCritical [L523] RET return (retValue_acc); [L898] EXPR isMethaneLevelCritical() [L898] tmp = isMethaneLevelCritical() [L900] COND FALSE, RET !(\read(tmp)) [L601] RET __utac_acc__Specification1_spec__1() [L463] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...