./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product52_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_56261967-6122-4ba7-bd5c-c2ba5817c12a/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_56261967-6122-4ba7-bd5c-c2ba5817c12a/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_56261967-6122-4ba7-bd5c-c2ba5817c12a/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_56261967-6122-4ba7-bd5c-c2ba5817c12a/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product52_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_56261967-6122-4ba7-bd5c-c2ba5817c12a/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_56261967-6122-4ba7-bd5c-c2ba5817c12a/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 8aa13c479cead5ea7576ebfa7eb0df26504503d1 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 08:34:39,690 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 08:34:39,691 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 08:34:39,698 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 08:34:39,698 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 08:34:39,699 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 08:34:39,700 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 08:34:39,701 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 08:34:39,702 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 08:34:39,703 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 08:34:39,704 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 08:34:39,704 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 08:34:39,705 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 08:34:39,705 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 08:34:39,706 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 08:34:39,707 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 08:34:39,707 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 08:34:39,709 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 08:34:39,710 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 08:34:39,711 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 08:34:39,712 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 08:34:39,713 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 08:34:39,715 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 08:34:39,715 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 08:34:39,715 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 08:34:39,716 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 08:34:39,717 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 08:34:39,717 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 08:34:39,718 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 08:34:39,719 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 08:34:39,719 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 08:34:39,719 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 08:34:39,720 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 08:34:39,720 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 08:34:39,720 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 08:34:39,721 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 08:34:39,721 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_56261967-6122-4ba7-bd5c-c2ba5817c12a/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 08:34:39,732 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 08:34:39,732 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 08:34:39,733 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 08:34:39,733 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 08:34:39,733 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 08:34:39,734 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 08:34:39,734 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 08:34:39,734 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 08:34:39,734 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 08:34:39,734 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 08:34:39,734 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 08:34:39,734 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 08:34:39,734 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 08:34:39,735 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 08:34:39,735 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 08:34:39,735 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 08:34:39,735 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 08:34:39,735 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 08:34:39,735 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 08:34:39,735 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 08:34:39,735 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 08:34:39,736 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 08:34:39,736 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 08:34:39,736 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 08:34:39,736 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 08:34:39,736 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 08:34:39,736 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 08:34:39,736 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 08:34:39,736 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 08:34:39,736 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 08:34:39,737 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 08:34:39,737 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 08:34:39,737 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_56261967-6122-4ba7-bd5c-c2ba5817c12a/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 -> 8aa13c479cead5ea7576ebfa7eb0df26504503d1 [2018-11-18 08:34:39,759 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 08:34:39,769 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 08:34:39,772 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 08:34:39,774 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 08:34:39,774 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 08:34:39,774 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_56261967-6122-4ba7-bd5c-c2ba5817c12a/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product52_true-unreach-call_false-termination.cil.c [2018-11-18 08:34:39,814 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_56261967-6122-4ba7-bd5c-c2ba5817c12a/bin-2019/uautomizer/data/a9da284c8/186d8270e6554d16a57c884fe3970f3f/FLAGc6f0b6f21 [2018-11-18 08:34:40,246 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 08:34:40,247 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_56261967-6122-4ba7-bd5c-c2ba5817c12a/sv-benchmarks/c/product-lines/minepump_spec2_product52_true-unreach-call_false-termination.cil.c [2018-11-18 08:34:40,254 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_56261967-6122-4ba7-bd5c-c2ba5817c12a/bin-2019/uautomizer/data/a9da284c8/186d8270e6554d16a57c884fe3970f3f/FLAGc6f0b6f21 [2018-11-18 08:34:40,265 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_56261967-6122-4ba7-bd5c-c2ba5817c12a/bin-2019/uautomizer/data/a9da284c8/186d8270e6554d16a57c884fe3970f3f [2018-11-18 08:34:40,268 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 08:34:40,269 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 08:34:40,269 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 08:34:40,269 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 08:34:40,271 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 08:34:40,272 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:34:40" (1/1) ... [2018-11-18 08:34:40,273 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11c3b532 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:40, skipping insertion in model container [2018-11-18 08:34:40,273 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:34:40" (1/1) ... [2018-11-18 08:34:40,279 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 08:34:40,311 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 08:34:40,509 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 08:34:40,518 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 08:34:40,614 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 08:34:40,637 INFO L195 MainTranslator]: Completed translation [2018-11-18 08:34:40,637 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:40 WrapperNode [2018-11-18 08:34:40,638 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 08:34:40,638 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 08:34:40,638 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 08:34:40,638 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 08:34:40,646 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:40" (1/1) ... [2018-11-18 08:34:40,660 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:40" (1/1) ... [2018-11-18 08:34:40,690 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 08:34:40,691 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 08:34:40,691 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 08:34:40,691 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 08:34:40,699 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:40" (1/1) ... [2018-11-18 08:34:40,699 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:40" (1/1) ... [2018-11-18 08:34:40,702 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:40" (1/1) ... [2018-11-18 08:34:40,703 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:40" (1/1) ... [2018-11-18 08:34:40,710 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:40" (1/1) ... [2018-11-18 08:34:40,717 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:40" (1/1) ... [2018-11-18 08:34:40,719 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:40" (1/1) ... [2018-11-18 08:34:40,723 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 08:34:40,723 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 08:34:40,723 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 08:34:40,723 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 08:34:40,724 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_56261967-6122-4ba7-bd5c-c2ba5817c12a/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 08:34:40,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 08:34:40,765 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 08:34:40,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 08:34:41,319 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 08:34:41,319 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:34:41 BoogieIcfgContainer [2018-11-18 08:34:41,320 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 08:34:41,320 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 08:34:41,320 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 08:34:41,324 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 08:34:41,324 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 08:34:41,325 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 08:34:40" (1/3) ... [2018-11-18 08:34:41,326 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@45c62175 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 08:34:41, skipping insertion in model container [2018-11-18 08:34:41,326 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 08:34:41,326 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:40" (2/3) ... [2018-11-18 08:34:41,326 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@45c62175 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 08:34:41, skipping insertion in model container [2018-11-18 08:34:41,326 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 08:34:41,327 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:34:41" (3/3) ... [2018-11-18 08:34:41,328 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product52_true-unreach-call_false-termination.cil.c [2018-11-18 08:34:41,367 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 08:34:41,367 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 08:34:41,367 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 08:34:41,367 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 08:34:41,368 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 08:34:41,368 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 08:34:41,368 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 08:34:41,368 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 08:34:41,368 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 08:34:41,384 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 173 states. [2018-11-18 08:34:41,407 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 113 [2018-11-18 08:34:41,407 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 08:34:41,408 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 08:34:41,415 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:34:41,415 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 08:34:41,415 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 08:34:41,415 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 173 states. [2018-11-18 08:34:41,421 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 113 [2018-11-18 08:34:41,421 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 08:34:41,421 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 08:34:41,422 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:34:41,422 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 08:34:41,427 INFO L794 eck$LassoCheckResult]: Stem: 127#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string8.base, #t~string8.offset := #Ultimate.alloc(13);call #t~string10.base, #t~string10.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string10.base,#t~string10.offset := 79];#memory_int := #memory_int[#t~string10.base,1 + #t~string10.offset := 110];#memory_int := #memory_int[#t~string10.base,2 + #t~string10.offset := 0];call #t~string12.base, #t~string12.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string12.base,#t~string12.offset := 79];#memory_int := #memory_int[#t~string12.base,1 + #t~string12.offset := 102];#memory_int := #memory_int[#t~string12.base,2 + #t~string12.offset := 102];#memory_int := #memory_int[#t~string12.base,3 + #t~string12.offset := 0];call #t~string14.base, #t~string14.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string14.base,#t~string14.offset := 44];#memory_int := #memory_int[#t~string14.base,1 + #t~string14.offset := 80];#memory_int := #memory_int[#t~string14.base,2 + #t~string14.offset := 117];#memory_int := #memory_int[#t~string14.base,3 + #t~string14.offset := 109];#memory_int := #memory_int[#t~string14.base,4 + #t~string14.offset := 112];#memory_int := #memory_int[#t~string14.base,5 + #t~string14.offset := 58];#memory_int := #memory_int[#t~string14.base,6 + #t~string14.offset := 0];call #t~string16.base, #t~string16.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string16.base,#t~string16.offset := 79];#memory_int := #memory_int[#t~string16.base,1 + #t~string16.offset := 110];#memory_int := #memory_int[#t~string16.base,2 + #t~string16.offset := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string18.base,#t~string18.offset := 79];#memory_int := #memory_int[#t~string18.base,1 + #t~string18.offset := 102];#memory_int := #memory_int[#t~string18.base,2 + #t~string18.offset := 102];#memory_int := #memory_int[#t~string18.base,3 + #t~string18.offset := 0];call #t~string20.base, #t~string20.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string20.base,#t~string20.offset := 41];#memory_int := #memory_int[#t~string20.base,1 + #t~string20.offset := 32];#memory_int := #memory_int[#t~string20.base,2 + #t~string20.offset := 0];call #t~string22.base, #t~string22.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string22.base,#t~string22.offset := 10];#memory_int := #memory_int[#t~string22.base,1 + #t~string22.offset := 0];call #t~string30.base, #t~string30.offset := #Ultimate.alloc(13);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string32.base,#t~string32.offset := 44];#memory_int := #memory_int[#t~string32.base,1 + #t~string32.offset := 77];#memory_int := #memory_int[#t~string32.base,2 + #t~string32.offset := 101];#memory_int := #memory_int[#t~string32.base,3 + #t~string32.offset := 116];#memory_int := #memory_int[#t~string32.base,4 + #t~string32.offset := 104];#memory_int := #memory_int[#t~string32.base,5 + #t~string32.offset := 58];#memory_int := #memory_int[#t~string32.base,6 + #t~string32.offset := 0];call #t~string34.base, #t~string34.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string34.base,#t~string34.offset := 67];#memory_int := #memory_int[#t~string34.base,1 + #t~string34.offset := 82];#memory_int := #memory_int[#t~string34.base,2 + #t~string34.offset := 73];#memory_int := #memory_int[#t~string34.base,3 + #t~string34.offset := 84];#memory_int := #memory_int[#t~string34.base,4 + #t~string34.offset := 0];call #t~string36.base, #t~string36.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string36.base,#t~string36.offset := 79];#memory_int := #memory_int[#t~string36.base,1 + #t~string36.offset := 75];#memory_int := #memory_int[#t~string36.base,2 + #t~string36.offset := 0];call #t~string38.base, #t~string38.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string38.base,#t~string38.offset := 41];#memory_int := #memory_int[#t~string38.base,1 + #t~string38.offset := 0];call #t~string57.base, #t~string57.offset := #Ultimate.alloc(30);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(9);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(21);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(30);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(9);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(21);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(30);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(9);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(25);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(30);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(9);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~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~ret25, main_~retValue_acc~4, main_~tmp~5;havoc main_~retValue_acc~4;havoc main_~tmp~5;assume { :begin_inline_select_helpers } true; 23#L508true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 124#L501true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := 1;valid_product_#res := valid_product_~retValue_acc~6; 31#L516true main_#t~ret25 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~5 := main_#t~ret25;havoc main_#t~ret25; 133#L432true assume 0 != main_~tmp~5;assume { :begin_inline_setup } true; 149#L404true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 28#L453true assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 62#L56-3true [2018-11-18 08:34:41,428 INFO L796 eck$LassoCheckResult]: Loop: 62#L56-3true assume true; 65#L56-1true assume !false; 173#L57true assume test_~splverifierCounter~0 < 4; 91#L58true test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 131#L66true assume !(0 != test_~tmp~0); 128#L66-2true test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 22#L76true assume !(0 != test_~tmp___0~0); 18#L76-2true test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 81#L86true assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 146#L341true assume { :end_inline_startSystem } true; 68#L94-2true assume { :begin_inline_timeShift } true; 134#L132true assume !(0 != ~pumpRunning~0); 132#L132-2true assume !(0 != ~systemActive~0); 39#L139-1true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret26, __utac_acc__Specification2_spec__2_#t~ret27, __utac_acc__Specification2_spec__2_~tmp~6, __utac_acc__Specification2_spec__2_~tmp___0~3;havoc __utac_acc__Specification2_spec__2_~tmp~6;havoc __utac_acc__Specification2_spec__2_~tmp___0~3;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~7;havoc isMethaneLevelCritical_~retValue_acc~7;isMethaneLevelCritical_~retValue_acc~7 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~7; 76#L565true __utac_acc__Specification2_spec__2_#t~ret26 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~6 := __utac_acc__Specification2_spec__2_#t~ret26;havoc __utac_acc__Specification2_spec__2_#t~ret26; 26#L464true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~6);~methAndRunningLastTime~0 := 0; 29#L464-1true assume { :end_inline___utac_acc__Specification2_spec__2 } true; 107#L149true assume { :end_inline_timeShift } true; 62#L56-3true [2018-11-18 08:34:41,433 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:41,433 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2018-11-18 08:34:41,435 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:41,436 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:41,472 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:41,472 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:41,472 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:41,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:41,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:41,585 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:41,586 INFO L82 PathProgramCache]: Analyzing trace with hash -1935581415, now seen corresponding path program 1 times [2018-11-18 08:34:41,586 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:41,586 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:41,586 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:41,587 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:41,587 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:41,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:41,617 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 08:34:41,619 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:34:41,620 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 08:34:41,622 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 08:34:41,631 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 08:34:41,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 08:34:41,633 INFO L87 Difference]: Start difference. First operand 173 states. Second operand 3 states. [2018-11-18 08:34:41,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:34:41,705 INFO L93 Difference]: Finished difference Result 330 states and 440 transitions. [2018-11-18 08:34:41,706 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 08:34:41,707 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 330 states and 440 transitions. [2018-11-18 08:34:41,713 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 216 [2018-11-18 08:34:41,719 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 330 states to 310 states and 419 transitions. [2018-11-18 08:34:41,720 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 310 [2018-11-18 08:34:41,721 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 310 [2018-11-18 08:34:41,722 INFO L73 IsDeterministic]: Start isDeterministic. Operand 310 states and 419 transitions. [2018-11-18 08:34:41,724 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 08:34:41,724 INFO L705 BuchiCegarLoop]: Abstraction has 310 states and 419 transitions. [2018-11-18 08:34:41,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states and 419 transitions. [2018-11-18 08:34:41,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 307. [2018-11-18 08:34:41,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 307 states. [2018-11-18 08:34:41,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 415 transitions. [2018-11-18 08:34:41,759 INFO L728 BuchiCegarLoop]: Abstraction has 307 states and 415 transitions. [2018-11-18 08:34:41,759 INFO L608 BuchiCegarLoop]: Abstraction has 307 states and 415 transitions. [2018-11-18 08:34:41,759 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 08:34:41,759 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 307 states and 415 transitions. [2018-11-18 08:34:41,762 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 213 [2018-11-18 08:34:41,762 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 08:34:41,762 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 08:34:41,762 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:34:41,763 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 08:34:41,763 INFO L794 eck$LassoCheckResult]: Stem: 682#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string8.base, #t~string8.offset := #Ultimate.alloc(13);call #t~string10.base, #t~string10.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string10.base,#t~string10.offset := 79];#memory_int := #memory_int[#t~string10.base,1 + #t~string10.offset := 110];#memory_int := #memory_int[#t~string10.base,2 + #t~string10.offset := 0];call #t~string12.base, #t~string12.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string12.base,#t~string12.offset := 79];#memory_int := #memory_int[#t~string12.base,1 + #t~string12.offset := 102];#memory_int := #memory_int[#t~string12.base,2 + #t~string12.offset := 102];#memory_int := #memory_int[#t~string12.base,3 + #t~string12.offset := 0];call #t~string14.base, #t~string14.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string14.base,#t~string14.offset := 44];#memory_int := #memory_int[#t~string14.base,1 + #t~string14.offset := 80];#memory_int := #memory_int[#t~string14.base,2 + #t~string14.offset := 117];#memory_int := #memory_int[#t~string14.base,3 + #t~string14.offset := 109];#memory_int := #memory_int[#t~string14.base,4 + #t~string14.offset := 112];#memory_int := #memory_int[#t~string14.base,5 + #t~string14.offset := 58];#memory_int := #memory_int[#t~string14.base,6 + #t~string14.offset := 0];call #t~string16.base, #t~string16.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string16.base,#t~string16.offset := 79];#memory_int := #memory_int[#t~string16.base,1 + #t~string16.offset := 110];#memory_int := #memory_int[#t~string16.base,2 + #t~string16.offset := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string18.base,#t~string18.offset := 79];#memory_int := #memory_int[#t~string18.base,1 + #t~string18.offset := 102];#memory_int := #memory_int[#t~string18.base,2 + #t~string18.offset := 102];#memory_int := #memory_int[#t~string18.base,3 + #t~string18.offset := 0];call #t~string20.base, #t~string20.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string20.base,#t~string20.offset := 41];#memory_int := #memory_int[#t~string20.base,1 + #t~string20.offset := 32];#memory_int := #memory_int[#t~string20.base,2 + #t~string20.offset := 0];call #t~string22.base, #t~string22.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string22.base,#t~string22.offset := 10];#memory_int := #memory_int[#t~string22.base,1 + #t~string22.offset := 0];call #t~string30.base, #t~string30.offset := #Ultimate.alloc(13);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string32.base,#t~string32.offset := 44];#memory_int := #memory_int[#t~string32.base,1 + #t~string32.offset := 77];#memory_int := #memory_int[#t~string32.base,2 + #t~string32.offset := 101];#memory_int := #memory_int[#t~string32.base,3 + #t~string32.offset := 116];#memory_int := #memory_int[#t~string32.base,4 + #t~string32.offset := 104];#memory_int := #memory_int[#t~string32.base,5 + #t~string32.offset := 58];#memory_int := #memory_int[#t~string32.base,6 + #t~string32.offset := 0];call #t~string34.base, #t~string34.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string34.base,#t~string34.offset := 67];#memory_int := #memory_int[#t~string34.base,1 + #t~string34.offset := 82];#memory_int := #memory_int[#t~string34.base,2 + #t~string34.offset := 73];#memory_int := #memory_int[#t~string34.base,3 + #t~string34.offset := 84];#memory_int := #memory_int[#t~string34.base,4 + #t~string34.offset := 0];call #t~string36.base, #t~string36.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string36.base,#t~string36.offset := 79];#memory_int := #memory_int[#t~string36.base,1 + #t~string36.offset := 75];#memory_int := #memory_int[#t~string36.base,2 + #t~string36.offset := 0];call #t~string38.base, #t~string38.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string38.base,#t~string38.offset := 41];#memory_int := #memory_int[#t~string38.base,1 + #t~string38.offset := 0];call #t~string57.base, #t~string57.offset := #Ultimate.alloc(30);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(9);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(21);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(30);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(9);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(21);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(30);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(9);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(25);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(30);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(9);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 540#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret25, main_~retValue_acc~4, main_~tmp~5;havoc main_~retValue_acc~4;havoc main_~tmp~5;assume { :begin_inline_select_helpers } true; 541#L508 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 555#L501 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := 1;valid_product_#res := valid_product_~retValue_acc~6; 570#L516 main_#t~ret25 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~5 := main_#t~ret25;havoc main_#t~ret25; 571#L432 assume 0 != main_~tmp~5;assume { :begin_inline_setup } true; 690#L404 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 563#L453 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 564#L56-3 [2018-11-18 08:34:41,763 INFO L796 eck$LassoCheckResult]: Loop: 564#L56-3 assume true; 610#L56-1 assume !false; 723#L57 assume test_~splverifierCounter~0 < 4; 648#L58 test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 649#L66 assume !(0 != test_~tmp~0); 683#L66-2 test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 553#L76 assume !(0 != test_~tmp___0~0); 554#L76-2 test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 635#L86 assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 636#L341 assume { :end_inline_startSystem } true; 616#L94-2 assume { :begin_inline_timeShift } true; 617#L132 assume !(0 != ~pumpRunning~0); 688#L132-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret5, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 689#L190 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret4, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; 741#L164-2 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 718#L156-3 assume { :end_inline_processEnvironment__wrappee__base } true; 551#L164-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 552#L190-1 assume { :end_inline_processEnvironment } true; 577#L139-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret26, __utac_acc__Specification2_spec__2_#t~ret27, __utac_acc__Specification2_spec__2_~tmp~6, __utac_acc__Specification2_spec__2_~tmp___0~3;havoc __utac_acc__Specification2_spec__2_~tmp~6;havoc __utac_acc__Specification2_spec__2_~tmp___0~3;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~7;havoc isMethaneLevelCritical_~retValue_acc~7;isMethaneLevelCritical_~retValue_acc~7 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~7; 578#L565 __utac_acc__Specification2_spec__2_#t~ret26 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~6 := __utac_acc__Specification2_spec__2_#t~ret26;havoc __utac_acc__Specification2_spec__2_#t~ret26; 726#L464 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~6);~methAndRunningLastTime~0 := 0; 568#L464-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 569#L149 assume { :end_inline_timeShift } true; 564#L56-3 [2018-11-18 08:34:41,763 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:41,764 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2018-11-18 08:34:41,764 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:41,764 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:41,765 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:41,765 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:41,765 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:41,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:41,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:41,820 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:41,820 INFO L82 PathProgramCache]: Analyzing trace with hash -146102902, now seen corresponding path program 1 times [2018-11-18 08:34:41,820 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:41,820 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:41,821 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:41,821 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 08:34:41,821 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:41,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:41,837 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 08:34:41,837 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:34:41,837 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 08:34:41,838 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 08:34:41,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 08:34:41,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 08:34:41,838 INFO L87 Difference]: Start difference. First operand 307 states and 415 transitions. cyclomatic complexity: 111 Second operand 3 states. [2018-11-18 08:34:41,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:34:41,931 INFO L93 Difference]: Finished difference Result 429 states and 560 transitions. [2018-11-18 08:34:41,932 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 08:34:41,932 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 429 states and 560 transitions. [2018-11-18 08:34:41,936 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 307 [2018-11-18 08:34:41,938 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 429 states to 429 states and 560 transitions. [2018-11-18 08:34:41,938 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 429 [2018-11-18 08:34:41,939 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 429 [2018-11-18 08:34:41,939 INFO L73 IsDeterministic]: Start isDeterministic. Operand 429 states and 560 transitions. [2018-11-18 08:34:41,941 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 08:34:41,941 INFO L705 BuchiCegarLoop]: Abstraction has 429 states and 560 transitions. [2018-11-18 08:34:41,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states and 560 transitions. [2018-11-18 08:34:41,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 429. [2018-11-18 08:34:41,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 429 states. [2018-11-18 08:34:41,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 560 transitions. [2018-11-18 08:34:41,954 INFO L728 BuchiCegarLoop]: Abstraction has 429 states and 560 transitions. [2018-11-18 08:34:41,954 INFO L608 BuchiCegarLoop]: Abstraction has 429 states and 560 transitions. [2018-11-18 08:34:41,954 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 08:34:41,954 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 429 states and 560 transitions. [2018-11-18 08:34:41,956 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 307 [2018-11-18 08:34:41,957 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 08:34:41,957 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 08:34:41,957 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:34:41,957 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 08:34:41,958 INFO L794 eck$LassoCheckResult]: Stem: 1405#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string8.base, #t~string8.offset := #Ultimate.alloc(13);call #t~string10.base, #t~string10.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string10.base,#t~string10.offset := 79];#memory_int := #memory_int[#t~string10.base,1 + #t~string10.offset := 110];#memory_int := #memory_int[#t~string10.base,2 + #t~string10.offset := 0];call #t~string12.base, #t~string12.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string12.base,#t~string12.offset := 79];#memory_int := #memory_int[#t~string12.base,1 + #t~string12.offset := 102];#memory_int := #memory_int[#t~string12.base,2 + #t~string12.offset := 102];#memory_int := #memory_int[#t~string12.base,3 + #t~string12.offset := 0];call #t~string14.base, #t~string14.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string14.base,#t~string14.offset := 44];#memory_int := #memory_int[#t~string14.base,1 + #t~string14.offset := 80];#memory_int := #memory_int[#t~string14.base,2 + #t~string14.offset := 117];#memory_int := #memory_int[#t~string14.base,3 + #t~string14.offset := 109];#memory_int := #memory_int[#t~string14.base,4 + #t~string14.offset := 112];#memory_int := #memory_int[#t~string14.base,5 + #t~string14.offset := 58];#memory_int := #memory_int[#t~string14.base,6 + #t~string14.offset := 0];call #t~string16.base, #t~string16.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string16.base,#t~string16.offset := 79];#memory_int := #memory_int[#t~string16.base,1 + #t~string16.offset := 110];#memory_int := #memory_int[#t~string16.base,2 + #t~string16.offset := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string18.base,#t~string18.offset := 79];#memory_int := #memory_int[#t~string18.base,1 + #t~string18.offset := 102];#memory_int := #memory_int[#t~string18.base,2 + #t~string18.offset := 102];#memory_int := #memory_int[#t~string18.base,3 + #t~string18.offset := 0];call #t~string20.base, #t~string20.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string20.base,#t~string20.offset := 41];#memory_int := #memory_int[#t~string20.base,1 + #t~string20.offset := 32];#memory_int := #memory_int[#t~string20.base,2 + #t~string20.offset := 0];call #t~string22.base, #t~string22.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string22.base,#t~string22.offset := 10];#memory_int := #memory_int[#t~string22.base,1 + #t~string22.offset := 0];call #t~string30.base, #t~string30.offset := #Ultimate.alloc(13);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string32.base,#t~string32.offset := 44];#memory_int := #memory_int[#t~string32.base,1 + #t~string32.offset := 77];#memory_int := #memory_int[#t~string32.base,2 + #t~string32.offset := 101];#memory_int := #memory_int[#t~string32.base,3 + #t~string32.offset := 116];#memory_int := #memory_int[#t~string32.base,4 + #t~string32.offset := 104];#memory_int := #memory_int[#t~string32.base,5 + #t~string32.offset := 58];#memory_int := #memory_int[#t~string32.base,6 + #t~string32.offset := 0];call #t~string34.base, #t~string34.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string34.base,#t~string34.offset := 67];#memory_int := #memory_int[#t~string34.base,1 + #t~string34.offset := 82];#memory_int := #memory_int[#t~string34.base,2 + #t~string34.offset := 73];#memory_int := #memory_int[#t~string34.base,3 + #t~string34.offset := 84];#memory_int := #memory_int[#t~string34.base,4 + #t~string34.offset := 0];call #t~string36.base, #t~string36.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string36.base,#t~string36.offset := 79];#memory_int := #memory_int[#t~string36.base,1 + #t~string36.offset := 75];#memory_int := #memory_int[#t~string36.base,2 + #t~string36.offset := 0];call #t~string38.base, #t~string38.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string38.base,#t~string38.offset := 41];#memory_int := #memory_int[#t~string38.base,1 + #t~string38.offset := 0];call #t~string57.base, #t~string57.offset := #Ultimate.alloc(30);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(9);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(21);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(30);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(9);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(21);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(30);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(9);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(25);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(30);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(9);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 1283#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret25, main_~retValue_acc~4, main_~tmp~5;havoc main_~retValue_acc~4;havoc main_~tmp~5;assume { :begin_inline_select_helpers } true; 1284#L508 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1295#L501 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := 1;valid_product_#res := valid_product_~retValue_acc~6; 1308#L516 main_#t~ret25 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~5 := main_#t~ret25;havoc main_#t~ret25; 1309#L432 assume 0 != main_~tmp~5;assume { :begin_inline_setup } true; 1409#L404 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 1302#L453 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 1303#L56-3 [2018-11-18 08:34:41,958 INFO L796 eck$LassoCheckResult]: Loop: 1303#L56-3 assume true; 1471#L56-1 assume !false; 1472#L57 assume test_~splverifierCounter~0 < 4; 1468#L58 test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 1466#L66 assume !(0 != test_~tmp~0); 1464#L66-2 test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 1457#L76 assume !(0 != test_~tmp___0~0); 1453#L76-2 test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 1451#L86 assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 1424#L341 assume { :end_inline_startSystem } true; 1363#L94-2 assume { :begin_inline_timeShift } true; 1410#L132 assume !(0 != ~pumpRunning~0); 1408#L132-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret5, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 1395#L190 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret4, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; 1296#L164-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret23, isHighWaterLevel_~retValue_acc~2, isHighWaterLevel_~tmp~3, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~2;havoc isHighWaterLevel_~tmp~3;havoc isHighWaterLevel_~tmp___0~1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~9;havoc isHighWaterSensorDry_~retValue_acc~9; 1297#L605-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~9 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~9; 1268#L610-1 isHighWaterLevel_#t~ret23 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~3 := isHighWaterLevel_#t~ret23;havoc isHighWaterLevel_#t~ret23; 1269#L292-3 assume 0 != isHighWaterLevel_~tmp~3;isHighWaterLevel_~tmp___0~1 := 0; 1398#L292-5 isHighWaterLevel_~retValue_acc~2 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~2; 1346#L298-1 processEnvironment__wrappee__highWaterSensor_#t~ret4 := isHighWaterLevel_#res;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~1 := processEnvironment__wrappee__highWaterSensor_#t~ret4;havoc processEnvironment__wrappee__highWaterSensor_#t~ret4; 1347#L168-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~1);assume { :begin_inline_processEnvironment__wrappee__base } true; 1387#L156-2 assume { :end_inline_processEnvironment__wrappee__base } true; 1292#L164-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 1293#L190-1 assume { :end_inline_processEnvironment } true; 1316#L139-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret26, __utac_acc__Specification2_spec__2_#t~ret27, __utac_acc__Specification2_spec__2_~tmp~6, __utac_acc__Specification2_spec__2_~tmp___0~3;havoc __utac_acc__Specification2_spec__2_~tmp~6;havoc __utac_acc__Specification2_spec__2_~tmp___0~3;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~7;havoc isMethaneLevelCritical_~retValue_acc~7;isMethaneLevelCritical_~retValue_acc~7 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~7; 1317#L565 __utac_acc__Specification2_spec__2_#t~ret26 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~6 := __utac_acc__Specification2_spec__2_#t~ret26;havoc __utac_acc__Specification2_spec__2_#t~ret26; 1366#L464 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~6);~methAndRunningLastTime~0 := 0; 1639#L464-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 1635#L149 assume { :end_inline_timeShift } true; 1303#L56-3 [2018-11-18 08:34:41,958 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:41,958 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2018-11-18 08:34:41,959 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:41,959 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:41,959 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:41,959 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:41,960 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:41,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:41,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:42,000 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:42,000 INFO L82 PathProgramCache]: Analyzing trace with hash 642334530, now seen corresponding path program 1 times [2018-11-18 08:34:42,000 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:42,000 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:42,001 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:42,001 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 08:34:42,001 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:42,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:42,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:42,014 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:42,014 INFO L82 PathProgramCache]: Analyzing trace with hash 1548751097, now seen corresponding path program 1 times [2018-11-18 08:34:42,014 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:42,014 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:42,015 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:42,015 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:42,015 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:42,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:42,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:42,200 WARN L180 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 50 [2018-11-18 08:37:01,979 WARN L180 SmtUtils]: Spent 2.33 m on a formula simplification. DAG size of input: 399 DAG size of output: 397 [2018-11-18 08:38:11,292 WARN L180 SmtUtils]: Spent 1.16 m on a formula simplification that was a NOOP. DAG size: 395 [2018-11-18 08:38:11,369 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 08:38:11 BoogieIcfgContainer [2018-11-18 08:38:11,369 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 08:38:11,370 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 08:38:11,370 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 08:38:11,370 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 08:38:11,372 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:34:41" (3/4) ... [2018-11-18 08:38:11,374 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 08:38:11,447 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_56261967-6122-4ba7-bd5c-c2ba5817c12a/bin-2019/uautomizer/witness.graphml [2018-11-18 08:38:11,447 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 08:38:11,448 INFO L168 Benchmark]: Toolchain (without parser) took 211180.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 219.2 MB). Free memory was 956.6 MB in the beginning and 813.4 MB in the end (delta: 143.1 MB). Peak memory consumption was 362.3 MB. Max. memory is 11.5 GB. [2018-11-18 08:38:11,449 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 08:38:11,449 INFO L168 Benchmark]: CACSL2BoogieTranslator took 368.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -174.1 MB). Peak memory consumption was 32.1 MB. Max. memory is 11.5 GB. [2018-11-18 08:38:11,450 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.11 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-11-18 08:38:11,450 INFO L168 Benchmark]: Boogie Preprocessor took 32.21 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-11-18 08:38:11,452 INFO L168 Benchmark]: RCFGBuilder took 596.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 82.0 MB). Peak memory consumption was 82.0 MB. Max. memory is 11.5 GB. [2018-11-18 08:38:11,453 INFO L168 Benchmark]: BuchiAutomizer took 210049.36 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 75.0 MB). Free memory was 1.0 GB in the beginning and 818.9 MB in the end (delta: 222.7 MB). Peak memory consumption was 297.6 MB. Max. memory is 11.5 GB. [2018-11-18 08:38:11,453 INFO L168 Benchmark]: Witness Printer took 77.69 ms. Allocated memory is still 1.2 GB. Free memory was 818.9 MB in the beginning and 813.4 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 11.5 GB. [2018-11-18 08:38:11,456 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 368.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -174.1 MB). Peak memory consumption was 32.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 52.11 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 32.21 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 596.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 82.0 MB). Peak memory consumption was 82.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 210049.36 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 75.0 MB). Free memory was 1.0 GB in the beginning and 818.9 MB in the end (delta: 222.7 MB). Peak memory consumption was 297.6 MB. Max. memory is 11.5 GB. * Witness Printer took 77.69 ms. Allocated memory is still 1.2 GB. Free memory was 818.9 MB in the beginning and 813.4 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 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 429 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 209.9s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 209.6s. 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, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 429 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 455 SDtfs, 364 SDslu, 316 SDs, 0 SdLazy, 41 SolverSat, 26 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s 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: 56]: 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, "__utac__get_this_arg"=0, "On"=35, retValue_acc=0, "__utac__get_this_argtype"=40, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@44e65120=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4b0bd5dd=0, "libacc.c"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@73e8605f=160, "i > 0 && i <= this->argsCount"=0, ")"=20, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@34a5b4f0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@15f1c978=0, methaneLevelCritical=0, "Pump(System:"=36, tmp___0=0, "i > 0 && i <= this->argsCount"=0, "__utac__get_this_argtype"=0, retValue_acc=0, "i > 0 && i <= this->argsCount"=0, "__utac__get_this_argtype"=8, "libacc.c"=0, tmp___1=0, "Pump(System:"=0, ") "=28, "OK"=22, cleanupTimeShifts=4, tmp=0, tmp=0, "CRIT"=23, ",Pump:"=33, NULL=0, systemActive=1, waterLevel=1, "i > 0 && i <= this->argsCount"=38, ",Meth:"=0, "Env(Water:%i"=0, ")"=0, ",Pump:"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@18e1580e=0, retValue_acc=0, "libacc.c"=18, "Off"=0, "Off"=34, \result=0, "On"=0, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5a2a2f01=0, "i > 0 && i <= this->argsCount"=16, "libacc.c"=0, "i > 0 && i <= this->argsCount"=0, \result=1, retValue_acc=1, "Off"=29, head=0, pumpRunning=0, "i > 0 && i <= this->argsCount"=19, \result=0, "OK"=0, "i > 0 && i <= this->argsCount"=11, "libacc.c"=0, "On"=0, "CRIT"=0, tmp=1, "Off"=0, \result=1, retValue_acc=1, "libacc.c"=12, "libacc.c"=15, "\n"=27, "__utac__get_this_argtype"=0, tmp=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6ee686de=0, tmp___0=0, tmp___2=160, "Env(Water:%i"=26, splverifierCounter=0, "__utac__get_this_arg"=0, methAndRunningLastTime=0, \result=0, "libacc.c"=39, "__utac__get_this_arg"=17, tmp=0, head=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@26b7ba33=0, ") "=0, ",Meth:"=24, "On"=31, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6ecab9b6=0, "\n"=0, "__utac__get_this_arg"=14, tmp=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 56]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L252] FCALL "Pump(System:" [L256] FCALL "On" [L260] FCALL "Off" [L264] FCALL ",Pump:" [L268] FCALL "On" [L272] FCALL "Off" [L276] FCALL ") " [L278] FCALL "\n" [L574] FCALL "Env(Water:%i" [L575] FCALL ",Meth:" [L579] FCALL "CRIT" [L583] FCALL "OK" [L587] FCALL ")" [L922] FCALL "i > 0 && i <= this->argsCount" [L922] FCALL "libacc.c" [L923] FCALL "__utac__get_this_arg" [L929] FCALL "i > 0 && i <= this->argsCount" [L929] FCALL "libacc.c" [L930] FCALL "__utac__get_this_arg" [L968] FCALL "i > 0 && i <= this->argsCount" [L968] FCALL "libacc.c" [L969] FCALL "__utac__get_this_argtype" [L975] FCALL "i > 0 && i <= this->argsCount" [L975] FCALL "libacc.c" [L976] FCALL "__utac__get_this_argtype" [L124] int pumpRunning = 0; [L125] int systemActive = 1; [L345] int cleanupTimeShifts = 4; [L447] int methAndRunningLastTime ; [L522] int waterLevel = 1; [L523] int methaneLevelCritical = 0; [L794] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L423] int retValue_acc ; [L424] int tmp ; [L428] FCALL select_helpers() [L429] FCALL select_features() [L430] CALL, EXPR valid_product() [L512] int retValue_acc ; [L515] retValue_acc = 1 [L516] RET return (retValue_acc); [L430] EXPR valid_product() [L430] tmp = valid_product() [L432] COND TRUE \read(tmp) [L434] FCALL setup() [L435] CALL runTest() [L413] CALL __utac_acc__Specification2_spec__1() [L452] RET methAndRunningLastTime = 0 [L413] __utac_acc__Specification2_spec__1() [L414] CALL test() [L47] int splverifierCounter ; [L48] int tmp ; [L49] int tmp___0 ; [L50] int tmp___1 ; [L51] int tmp___2 ; [L54] splverifierCounter = 0 Loop: [L56] COND TRUE 1 [L58] COND TRUE splverifierCounter < 4 [L64] tmp = __VERIFIER_nondet_int() [L66] COND FALSE !(\read(tmp)) [L74] tmp___0 = __VERIFIER_nondet_int() [L76] COND FALSE !(\read(tmp___0)) [L84] tmp___2 = __VERIFIER_nondet_int() [L86] COND TRUE \read(tmp___2) [L88] CALL startSystem() [L340] RET systemActive = 1 [L88] startSystem() [L103] CALL timeShift() [L132] COND FALSE !(\read(pumpRunning)) [L139] COND TRUE \read(systemActive) [L141] CALL processEnvironment() [L187] int tmp ; [L190] COND FALSE !(\read(pumpRunning)) [L205] CALL processEnvironment__wrappee__highWaterSensor() [L161] int tmp ; [L164] COND TRUE ! pumpRunning [L166] CALL, EXPR isHighWaterLevel() [L284] int retValue_acc ; [L285] int tmp ; [L286] int tmp___0 ; [L290] CALL, EXPR isHighWaterSensorDry() [L602] int retValue_acc ; [L605] COND TRUE waterLevel < 2 [L606] retValue_acc = 1 [L607] RET return (retValue_acc); [L290] EXPR isHighWaterSensorDry() [L290] tmp = isHighWaterSensorDry() [L292] COND TRUE \read(tmp) [L293] tmp___0 = 0 [L297] retValue_acc = tmp___0 [L298] RET return (retValue_acc); [L166] EXPR isHighWaterLevel() [L166] tmp = isHighWaterLevel() [L168] COND FALSE !(\read(tmp)) [L174] RET, FCALL processEnvironment__wrappee__base() [L205] RET processEnvironment__wrappee__highWaterSensor() [L141] processEnvironment() [L147] CALL __utac_acc__Specification2_spec__2() [L457] int tmp ; [L458] int tmp___0 ; [L462] CALL, EXPR isMethaneLevelCritical() [L561] int retValue_acc ; [L564] retValue_acc = methaneLevelCritical [L565] RET return (retValue_acc); [L462] EXPR isMethaneLevelCritical() [L462] tmp = isMethaneLevelCritical() [L464] COND FALSE !(\read(tmp)) [L480] RET methAndRunningLastTime = 0 [L147] RET __utac_acc__Specification2_spec__2() [L103] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...