./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product36_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_683749d6-7b40-4982-aa9f-9b9de95e454f/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_683749d6-7b40-4982-aa9f-9b9de95e454f/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_683749d6-7b40-4982-aa9f-9b9de95e454f/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_683749d6-7b40-4982-aa9f-9b9de95e454f/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product36_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_683749d6-7b40-4982-aa9f-9b9de95e454f/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_683749d6-7b40-4982-aa9f-9b9de95e454f/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 8094c843e4d897e4501a7b90ca3369f741555e9e ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 10:04:19,551 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 10:04:19,552 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 10:04:19,561 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 10:04:19,561 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 10:04:19,562 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 10:04:19,563 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 10:04:19,564 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 10:04:19,565 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 10:04:19,566 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 10:04:19,566 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 10:04:19,567 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 10:04:19,567 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 10:04:19,568 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 10:04:19,569 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 10:04:19,569 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 10:04:19,570 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 10:04:19,571 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 10:04:19,573 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 10:04:19,574 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 10:04:19,575 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 10:04:19,575 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 10:04:19,577 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 10:04:19,577 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 10:04:19,577 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 10:04:19,578 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 10:04:19,579 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 10:04:19,579 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 10:04:19,580 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 10:04:19,581 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 10:04:19,581 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 10:04:19,581 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 10:04:19,582 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 10:04:19,582 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 10:04:19,583 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 10:04:19,583 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 10:04:19,583 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_683749d6-7b40-4982-aa9f-9b9de95e454f/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 10:04:19,595 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 10:04:19,595 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 10:04:19,596 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 10:04:19,596 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 10:04:19,596 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 10:04:19,596 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 10:04:19,596 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 10:04:19,597 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 10:04:19,597 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 10:04:19,597 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 10:04:19,597 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 10:04:19,597 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 10:04:19,597 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 10:04:19,597 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 10:04:19,597 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 10:04:19,598 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 10:04:19,598 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 10:04:19,598 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 10:04:19,598 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 10:04:19,598 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 10:04:19,598 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 10:04:19,598 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 10:04:19,598 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 10:04:19,599 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 10:04:19,599 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 10:04:19,599 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 10:04:19,599 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 10:04:19,599 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 10:04:19,599 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 10:04:19,600 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 10:04:19,600 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 10:04:19,600 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 10:04:19,601 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_683749d6-7b40-4982-aa9f-9b9de95e454f/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 -> 8094c843e4d897e4501a7b90ca3369f741555e9e [2018-11-18 10:04:19,621 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 10:04:19,629 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 10:04:19,631 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 10:04:19,632 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 10:04:19,632 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 10:04:19,633 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_683749d6-7b40-4982-aa9f-9b9de95e454f/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product36_false-unreach-call_false-termination.cil.c [2018-11-18 10:04:19,673 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_683749d6-7b40-4982-aa9f-9b9de95e454f/bin-2019/uautomizer/data/184b56dd5/bb1f9be54b4e4c80a0f9a6b8adb1a2dd/FLAGeea02a43b [2018-11-18 10:04:20,025 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 10:04:20,026 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_683749d6-7b40-4982-aa9f-9b9de95e454f/sv-benchmarks/c/product-lines/minepump_spec4_product36_false-unreach-call_false-termination.cil.c [2018-11-18 10:04:20,035 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_683749d6-7b40-4982-aa9f-9b9de95e454f/bin-2019/uautomizer/data/184b56dd5/bb1f9be54b4e4c80a0f9a6b8adb1a2dd/FLAGeea02a43b [2018-11-18 10:04:20,046 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_683749d6-7b40-4982-aa9f-9b9de95e454f/bin-2019/uautomizer/data/184b56dd5/bb1f9be54b4e4c80a0f9a6b8adb1a2dd [2018-11-18 10:04:20,048 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 10:04:20,049 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 10:04:20,050 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 10:04:20,050 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 10:04:20,052 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 10:04:20,053 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:04:20" (1/1) ... [2018-11-18 10:04:20,054 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ae989df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:04:20, skipping insertion in model container [2018-11-18 10:04:20,054 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:04:20" (1/1) ... [2018-11-18 10:04:20,060 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 10:04:20,091 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 10:04:20,280 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:04:20,288 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 10:04:20,387 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:04:20,403 INFO L195 MainTranslator]: Completed translation [2018-11-18 10:04:20,404 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:04:20 WrapperNode [2018-11-18 10:04:20,404 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 10:04:20,404 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 10:04:20,404 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 10:04:20,404 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 10:04:20,409 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:04:20" (1/1) ... [2018-11-18 10:04:20,422 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:04:20" (1/1) ... [2018-11-18 10:04:20,449 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 10:04:20,450 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 10:04:20,450 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 10:04:20,450 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 10:04:20,456 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:04:20" (1/1) ... [2018-11-18 10:04:20,456 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:04:20" (1/1) ... [2018-11-18 10:04:20,458 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:04:20" (1/1) ... [2018-11-18 10:04:20,459 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:04:20" (1/1) ... [2018-11-18 10:04:20,465 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:04:20" (1/1) ... [2018-11-18 10:04:20,470 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:04:20" (1/1) ... [2018-11-18 10:04:20,472 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:04:20" (1/1) ... [2018-11-18 10:04:20,475 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 10:04:20,475 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 10:04:20,475 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 10:04:20,475 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 10:04:20,476 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:04:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_683749d6-7b40-4982-aa9f-9b9de95e454f/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 10:04:20,512 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 10:04:20,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 10:04:20,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 10:04:20,992 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 10:04:20,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:04:20 BoogieIcfgContainer [2018-11-18 10:04:20,992 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 10:04:20,993 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 10:04:20,993 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 10:04:20,995 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 10:04:20,995 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 10:04:20,995 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 10:04:20" (1/3) ... [2018-11-18 10:04:20,996 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2401c3c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 10:04:20, skipping insertion in model container [2018-11-18 10:04:20,996 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 10:04:20,996 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:04:20" (2/3) ... [2018-11-18 10:04:20,996 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2401c3c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 10:04:20, skipping insertion in model container [2018-11-18 10:04:20,996 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 10:04:20,996 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:04:20" (3/3) ... [2018-11-18 10:04:20,997 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product36_false-unreach-call_false-termination.cil.c [2018-11-18 10:04:21,027 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 10:04:21,027 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 10:04:21,028 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 10:04:21,028 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 10:04:21,028 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 10:04:21,028 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 10:04:21,028 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 10:04:21,028 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 10:04:21,028 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 10:04:21,039 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 112 states. [2018-11-18 10:04:21,057 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 73 [2018-11-18 10:04:21,057 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 10:04:21,057 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 10:04:21,061 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:04:21,061 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 10:04:21,061 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 10:04:21,062 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 112 states. [2018-11-18 10:04:21,066 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 73 [2018-11-18 10:04:21,066 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 10:04:21,066 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 10:04:21,067 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:04:21,067 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 10:04:21,070 INFO L794 eck$LassoCheckResult]: Stem: 87#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string7.base, #t~string7.offset := #Ultimate.alloc(13);call #t~string9.base, #t~string9.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 79];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 110];#memory_int := #memory_int[#t~string9.base,2 + #t~string9.offset := 0];call #t~string11.base, #t~string11.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string11.base,#t~string11.offset := 79];#memory_int := #memory_int[#t~string11.base,1 + #t~string11.offset := 102];#memory_int := #memory_int[#t~string11.base,2 + #t~string11.offset := 102];#memory_int := #memory_int[#t~string11.base,3 + #t~string11.offset := 0];call #t~string13.base, #t~string13.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string13.base,#t~string13.offset := 44];#memory_int := #memory_int[#t~string13.base,1 + #t~string13.offset := 80];#memory_int := #memory_int[#t~string13.base,2 + #t~string13.offset := 117];#memory_int := #memory_int[#t~string13.base,3 + #t~string13.offset := 109];#memory_int := #memory_int[#t~string13.base,4 + #t~string13.offset := 112];#memory_int := #memory_int[#t~string13.base,5 + #t~string13.offset := 58];#memory_int := #memory_int[#t~string13.base,6 + #t~string13.offset := 0];call #t~string15.base, #t~string15.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string15.base,#t~string15.offset := 79];#memory_int := #memory_int[#t~string15.base,1 + #t~string15.offset := 110];#memory_int := #memory_int[#t~string15.base,2 + #t~string15.offset := 0];call #t~string17.base, #t~string17.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string17.base,#t~string17.offset := 79];#memory_int := #memory_int[#t~string17.base,1 + #t~string17.offset := 102];#memory_int := #memory_int[#t~string17.base,2 + #t~string17.offset := 102];#memory_int := #memory_int[#t~string17.base,3 + #t~string17.offset := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string19.base,#t~string19.offset := 41];#memory_int := #memory_int[#t~string19.base,1 + #t~string19.offset := 32];#memory_int := #memory_int[#t~string19.base,2 + #t~string19.offset := 0];call #t~string21.base, #t~string21.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string21.base,#t~string21.offset := 10];#memory_int := #memory_int[#t~string21.base,1 + #t~string21.offset := 0];call #t~string43.base, #t~string43.offset := #Ultimate.alloc(30);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(9);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(21);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(30);call #t~string47.base, #t~string47.offset := #Ultimate.alloc(9);call #t~string48.base, #t~string48.offset := #Ultimate.alloc(21);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(30);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(9);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(25);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(30);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(9);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(25);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(13);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string63.base,#t~string63.offset := 44];#memory_int := #memory_int[#t~string63.base,1 + #t~string63.offset := 77];#memory_int := #memory_int[#t~string63.base,2 + #t~string63.offset := 101];#memory_int := #memory_int[#t~string63.base,3 + #t~string63.offset := 116];#memory_int := #memory_int[#t~string63.base,4 + #t~string63.offset := 104];#memory_int := #memory_int[#t~string63.base,5 + #t~string63.offset := 58];#memory_int := #memory_int[#t~string63.base,6 + #t~string63.offset := 0];call #t~string65.base, #t~string65.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string65.base,#t~string65.offset := 67];#memory_int := #memory_int[#t~string65.base,1 + #t~string65.offset := 82];#memory_int := #memory_int[#t~string65.base,2 + #t~string65.offset := 73];#memory_int := #memory_int[#t~string65.base,3 + #t~string65.offset := 84];#memory_int := #memory_int[#t~string65.base,4 + #t~string65.offset := 0];call #t~string67.base, #t~string67.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 79];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 75];#memory_int := #memory_int[#t~string67.base,2 + #t~string67.offset := 0];call #t~string69.base, #t~string69.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string69.base,#t~string69.offset := 41];#memory_int := #memory_int[#t~string69.base,1 + #t~string69.offset := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret23, main_~retValue_acc~3, main_~tmp~3;havoc main_~retValue_acc~3;havoc main_~tmp~3;assume { :begin_inline_select_helpers } true; 3#L420true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 71#L413true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 16#L428true main_#t~ret23 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~3 := main_#t~ret23;havoc main_#t~ret23; 17#L384true assume 0 != main_~tmp~3;assume { :begin_inline_setup } true; 74#L358true assume { :end_inline_setup } true;assume { :begin_inline_runTest } 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; 34#L56-3true [2018-11-18 10:04:21,070 INFO L796 eck$LassoCheckResult]: Loop: 34#L56-3true assume true; 38#L56-1true assume !false; 113#L57true assume test_~splverifierCounter~0 < 4; 64#L58true test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 89#L66true assume !(0 != test_~tmp~0); 88#L66-2true test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 11#L76true assume !(0 != test_~tmp___0~0); 7#L76-2true test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 58#L86true assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 48#L295true assume { :end_inline_startSystem } true; 46#L94-2true assume { :begin_inline_timeShift } true; 12#L131true assume !(0 != ~pumpRunning~0); 10#L131-2true assume !(0 != ~systemActive~0); 50#L138-1true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret70, __utac_acc__Specification4_spec__1_#t~ret71, __utac_acc__Specification4_spec__1_~tmp~7, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~7;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~10;havoc getWaterLevel_~retValue_acc~10;getWaterLevel_~retValue_acc~10 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~10; 52#L884true __utac_acc__Specification4_spec__1_#t~ret70 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~7 := __utac_acc__Specification4_spec__1_#t~ret70;havoc __utac_acc__Specification4_spec__1_#t~ret70; 90#L911true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~7); 81#L911-1true assume { :end_inline___utac_acc__Specification4_spec__1 } true; 95#L148true assume { :end_inline_timeShift } true; 34#L56-3true [2018-11-18 10:04:21,075 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:04:21,075 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2018-11-18 10:04:21,077 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:04:21,077 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:04:21,105 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:04:21,105 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:04:21,105 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:04:21,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:04:21,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:04:21,228 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:04:21,229 INFO L82 PathProgramCache]: Analyzing trace with hash 1410913779, now seen corresponding path program 1 times [2018-11-18 10:04:21,229 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:04:21,229 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:04:21,230 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:04:21,230 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:04:21,230 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:04:21,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:04:21,264 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 10:04:21,265 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:04:21,266 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 10:04:21,268 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 10:04:21,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 10:04:21,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 10:04:21,279 INFO L87 Difference]: Start difference. First operand 112 states. Second operand 3 states. [2018-11-18 10:04:21,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:04:21,331 INFO L93 Difference]: Finished difference Result 209 states and 271 transitions. [2018-11-18 10:04:21,332 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 10:04:21,333 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 209 states and 271 transitions. [2018-11-18 10:04:21,337 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 136 [2018-11-18 10:04:21,340 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 209 states to 189 states and 250 transitions. [2018-11-18 10:04:21,341 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 189 [2018-11-18 10:04:21,342 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 189 [2018-11-18 10:04:21,342 INFO L73 IsDeterministic]: Start isDeterministic. Operand 189 states and 250 transitions. [2018-11-18 10:04:21,343 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 10:04:21,343 INFO L705 BuchiCegarLoop]: Abstraction has 189 states and 250 transitions. [2018-11-18 10:04:21,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states and 250 transitions. [2018-11-18 10:04:21,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 186. [2018-11-18 10:04:21,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 186 states. [2018-11-18 10:04:21,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 246 transitions. [2018-11-18 10:04:21,372 INFO L728 BuchiCegarLoop]: Abstraction has 186 states and 246 transitions. [2018-11-18 10:04:21,372 INFO L608 BuchiCegarLoop]: Abstraction has 186 states and 246 transitions. [2018-11-18 10:04:21,372 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 10:04:21,372 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 186 states and 246 transitions. [2018-11-18 10:04:21,374 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 133 [2018-11-18 10:04:21,374 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 10:04:21,374 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 10:04:21,375 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:04:21,375 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] [2018-11-18 10:04:21,375 INFO L794 eck$LassoCheckResult]: Stem: 431#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string7.base, #t~string7.offset := #Ultimate.alloc(13);call #t~string9.base, #t~string9.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 79];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 110];#memory_int := #memory_int[#t~string9.base,2 + #t~string9.offset := 0];call #t~string11.base, #t~string11.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string11.base,#t~string11.offset := 79];#memory_int := #memory_int[#t~string11.base,1 + #t~string11.offset := 102];#memory_int := #memory_int[#t~string11.base,2 + #t~string11.offset := 102];#memory_int := #memory_int[#t~string11.base,3 + #t~string11.offset := 0];call #t~string13.base, #t~string13.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string13.base,#t~string13.offset := 44];#memory_int := #memory_int[#t~string13.base,1 + #t~string13.offset := 80];#memory_int := #memory_int[#t~string13.base,2 + #t~string13.offset := 117];#memory_int := #memory_int[#t~string13.base,3 + #t~string13.offset := 109];#memory_int := #memory_int[#t~string13.base,4 + #t~string13.offset := 112];#memory_int := #memory_int[#t~string13.base,5 + #t~string13.offset := 58];#memory_int := #memory_int[#t~string13.base,6 + #t~string13.offset := 0];call #t~string15.base, #t~string15.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string15.base,#t~string15.offset := 79];#memory_int := #memory_int[#t~string15.base,1 + #t~string15.offset := 110];#memory_int := #memory_int[#t~string15.base,2 + #t~string15.offset := 0];call #t~string17.base, #t~string17.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string17.base,#t~string17.offset := 79];#memory_int := #memory_int[#t~string17.base,1 + #t~string17.offset := 102];#memory_int := #memory_int[#t~string17.base,2 + #t~string17.offset := 102];#memory_int := #memory_int[#t~string17.base,3 + #t~string17.offset := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string19.base,#t~string19.offset := 41];#memory_int := #memory_int[#t~string19.base,1 + #t~string19.offset := 32];#memory_int := #memory_int[#t~string19.base,2 + #t~string19.offset := 0];call #t~string21.base, #t~string21.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string21.base,#t~string21.offset := 10];#memory_int := #memory_int[#t~string21.base,1 + #t~string21.offset := 0];call #t~string43.base, #t~string43.offset := #Ultimate.alloc(30);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(9);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(21);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(30);call #t~string47.base, #t~string47.offset := #Ultimate.alloc(9);call #t~string48.base, #t~string48.offset := #Ultimate.alloc(21);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(30);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(9);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(25);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(30);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(9);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(25);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(13);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string63.base,#t~string63.offset := 44];#memory_int := #memory_int[#t~string63.base,1 + #t~string63.offset := 77];#memory_int := #memory_int[#t~string63.base,2 + #t~string63.offset := 101];#memory_int := #memory_int[#t~string63.base,3 + #t~string63.offset := 116];#memory_int := #memory_int[#t~string63.base,4 + #t~string63.offset := 104];#memory_int := #memory_int[#t~string63.base,5 + #t~string63.offset := 58];#memory_int := #memory_int[#t~string63.base,6 + #t~string63.offset := 0];call #t~string65.base, #t~string65.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string65.base,#t~string65.offset := 67];#memory_int := #memory_int[#t~string65.base,1 + #t~string65.offset := 82];#memory_int := #memory_int[#t~string65.base,2 + #t~string65.offset := 73];#memory_int := #memory_int[#t~string65.base,3 + #t~string65.offset := 84];#memory_int := #memory_int[#t~string65.base,4 + #t~string65.offset := 0];call #t~string67.base, #t~string67.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 79];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 75];#memory_int := #memory_int[#t~string67.base,2 + #t~string67.offset := 0];call #t~string69.base, #t~string69.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string69.base,#t~string69.offset := 41];#memory_int := #memory_int[#t~string69.base,1 + #t~string69.offset := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 336#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret23, main_~retValue_acc~3, main_~tmp~3;havoc main_~retValue_acc~3;havoc main_~tmp~3;assume { :begin_inline_select_helpers } true; 330#L420 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 331#L413 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 354#L428 main_#t~ret23 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~3 := main_#t~ret23;havoc main_#t~ret23; 355#L384 assume 0 != main_~tmp~3;assume { :begin_inline_setup } true; 356#L358 assume { :end_inline_setup } true;assume { :begin_inline_runTest } 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; 381#L56-3 [2018-11-18 10:04:21,375 INFO L796 eck$LassoCheckResult]: Loop: 381#L56-3 assume true; 382#L56-1 assume !false; 387#L57 assume test_~splverifierCounter~0 < 4; 416#L58 test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 417#L66 assume !(0 != test_~tmp~0); 351#L66-2 test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 344#L76 assume !(0 != test_~tmp___0~0); 337#L76-2 test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 338#L86 assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 396#L295 assume { :end_inline_startSystem } true; 393#L94-2 assume { :begin_inline_timeShift } true; 346#L131 assume !(0 != ~pumpRunning~0); 342#L131-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret4, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; 343#L163 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 501#L155-1 assume { :end_inline_processEnvironment__wrappee__base } true; 499#L163-1 assume { :end_inline_processEnvironment } true; 498#L138-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret70, __utac_acc__Specification4_spec__1_#t~ret71, __utac_acc__Specification4_spec__1_~tmp~7, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~7;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~10;havoc getWaterLevel_~retValue_acc~10;getWaterLevel_~retValue_acc~10 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~10; 403#L884 __utac_acc__Specification4_spec__1_#t~ret70 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~7 := __utac_acc__Specification4_spec__1_#t~ret70;havoc __utac_acc__Specification4_spec__1_#t~ret70; 404#L911 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~7); 359#L911-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 426#L148 assume { :end_inline_timeShift } true; 381#L56-3 [2018-11-18 10:04:21,376 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:04:21,376 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2018-11-18 10:04:21,376 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:04:21,376 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:04:21,377 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:04:21,377 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:04:21,377 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:04:21,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:04:21,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:04:21,428 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:04:21,428 INFO L82 PathProgramCache]: Analyzing trace with hash -931047646, now seen corresponding path program 1 times [2018-11-18 10:04:21,428 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:04:21,429 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:04:21,429 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:04:21,429 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 10:04:21,430 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:04:21,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:04:21,459 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 10:04:21,459 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:04:21,459 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 10:04:21,460 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 10:04:21,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 10:04:21,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 10:04:21,460 INFO L87 Difference]: Start difference. First operand 186 states and 246 transitions. cyclomatic complexity: 63 Second operand 3 states. [2018-11-18 10:04:21,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:04:21,519 INFO L93 Difference]: Finished difference Result 296 states and 379 transitions. [2018-11-18 10:04:21,519 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 10:04:21,520 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 296 states and 379 transitions. [2018-11-18 10:04:21,522 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 219 [2018-11-18 10:04:21,524 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 296 states to 296 states and 379 transitions. [2018-11-18 10:04:21,525 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 296 [2018-11-18 10:04:21,525 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 296 [2018-11-18 10:04:21,525 INFO L73 IsDeterministic]: Start isDeterministic. Operand 296 states and 379 transitions. [2018-11-18 10:04:21,526 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 10:04:21,526 INFO L705 BuchiCegarLoop]: Abstraction has 296 states and 379 transitions. [2018-11-18 10:04:21,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states and 379 transitions. [2018-11-18 10:04:21,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 296. [2018-11-18 10:04:21,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2018-11-18 10:04:21,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 379 transitions. [2018-11-18 10:04:21,538 INFO L728 BuchiCegarLoop]: Abstraction has 296 states and 379 transitions. [2018-11-18 10:04:21,538 INFO L608 BuchiCegarLoop]: Abstraction has 296 states and 379 transitions. [2018-11-18 10:04:21,538 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 10:04:21,538 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 296 states and 379 transitions. [2018-11-18 10:04:21,540 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 219 [2018-11-18 10:04:21,540 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 10:04:21,540 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 10:04:21,541 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:04:21,541 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] [2018-11-18 10:04:21,541 INFO L794 eck$LassoCheckResult]: Stem: 923#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string7.base, #t~string7.offset := #Ultimate.alloc(13);call #t~string9.base, #t~string9.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 79];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 110];#memory_int := #memory_int[#t~string9.base,2 + #t~string9.offset := 0];call #t~string11.base, #t~string11.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string11.base,#t~string11.offset := 79];#memory_int := #memory_int[#t~string11.base,1 + #t~string11.offset := 102];#memory_int := #memory_int[#t~string11.base,2 + #t~string11.offset := 102];#memory_int := #memory_int[#t~string11.base,3 + #t~string11.offset := 0];call #t~string13.base, #t~string13.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string13.base,#t~string13.offset := 44];#memory_int := #memory_int[#t~string13.base,1 + #t~string13.offset := 80];#memory_int := #memory_int[#t~string13.base,2 + #t~string13.offset := 117];#memory_int := #memory_int[#t~string13.base,3 + #t~string13.offset := 109];#memory_int := #memory_int[#t~string13.base,4 + #t~string13.offset := 112];#memory_int := #memory_int[#t~string13.base,5 + #t~string13.offset := 58];#memory_int := #memory_int[#t~string13.base,6 + #t~string13.offset := 0];call #t~string15.base, #t~string15.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string15.base,#t~string15.offset := 79];#memory_int := #memory_int[#t~string15.base,1 + #t~string15.offset := 110];#memory_int := #memory_int[#t~string15.base,2 + #t~string15.offset := 0];call #t~string17.base, #t~string17.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string17.base,#t~string17.offset := 79];#memory_int := #memory_int[#t~string17.base,1 + #t~string17.offset := 102];#memory_int := #memory_int[#t~string17.base,2 + #t~string17.offset := 102];#memory_int := #memory_int[#t~string17.base,3 + #t~string17.offset := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string19.base,#t~string19.offset := 41];#memory_int := #memory_int[#t~string19.base,1 + #t~string19.offset := 32];#memory_int := #memory_int[#t~string19.base,2 + #t~string19.offset := 0];call #t~string21.base, #t~string21.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string21.base,#t~string21.offset := 10];#memory_int := #memory_int[#t~string21.base,1 + #t~string21.offset := 0];call #t~string43.base, #t~string43.offset := #Ultimate.alloc(30);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(9);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(21);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(30);call #t~string47.base, #t~string47.offset := #Ultimate.alloc(9);call #t~string48.base, #t~string48.offset := #Ultimate.alloc(21);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(30);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(9);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(25);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(30);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(9);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(25);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(13);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string63.base,#t~string63.offset := 44];#memory_int := #memory_int[#t~string63.base,1 + #t~string63.offset := 77];#memory_int := #memory_int[#t~string63.base,2 + #t~string63.offset := 101];#memory_int := #memory_int[#t~string63.base,3 + #t~string63.offset := 116];#memory_int := #memory_int[#t~string63.base,4 + #t~string63.offset := 104];#memory_int := #memory_int[#t~string63.base,5 + #t~string63.offset := 58];#memory_int := #memory_int[#t~string63.base,6 + #t~string63.offset := 0];call #t~string65.base, #t~string65.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string65.base,#t~string65.offset := 67];#memory_int := #memory_int[#t~string65.base,1 + #t~string65.offset := 82];#memory_int := #memory_int[#t~string65.base,2 + #t~string65.offset := 73];#memory_int := #memory_int[#t~string65.base,3 + #t~string65.offset := 84];#memory_int := #memory_int[#t~string65.base,4 + #t~string65.offset := 0];call #t~string67.base, #t~string67.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 79];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 75];#memory_int := #memory_int[#t~string67.base,2 + #t~string67.offset := 0];call #t~string69.base, #t~string69.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string69.base,#t~string69.offset := 41];#memory_int := #memory_int[#t~string69.base,1 + #t~string69.offset := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 824#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret23, main_~retValue_acc~3, main_~tmp~3;havoc main_~retValue_acc~3;havoc main_~tmp~3;assume { :begin_inline_select_helpers } true; 818#L420 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 819#L413 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 840#L428 main_#t~ret23 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~3 := main_#t~ret23;havoc main_#t~ret23; 841#L384 assume 0 != main_~tmp~3;assume { :begin_inline_setup } true; 842#L358 assume { :end_inline_setup } true;assume { :begin_inline_runTest } 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; 914#L56-3 [2018-11-18 10:04:21,542 INFO L796 eck$LassoCheckResult]: Loop: 914#L56-3 assume true; 967#L56-1 assume !false; 964#L57 assume test_~splverifierCounter~0 < 4; 962#L58 test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 963#L66 assume !(0 != test_~tmp~0); 956#L66-2 test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 957#L76 assume !(0 != test_~tmp___0~0); 950#L76-2 test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 951#L86 assume !(0 != test_~tmp___2~0);test_~tmp___1~0 := test_#t~nondet3;havoc test_#t~nondet3; 981#L94 assume !(0 != test_~tmp___1~0); 949#L94-2 assume { :begin_inline_timeShift } true; 833#L131 assume !(0 != ~pumpRunning~0); 829#L131-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret4, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; 830#L163 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret22, isHighWaterLevel_~retValue_acc~2, isHighWaterLevel_~tmp~2, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~2;havoc isHighWaterLevel_~tmp~2;havoc isHighWaterLevel_~tmp___0~1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~11;havoc isHighWaterSensorDry_~retValue_acc~11; 903#L892 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~11 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~11; 913#L897 isHighWaterLevel_#t~ret22 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~2 := isHighWaterLevel_#t~ret22;havoc isHighWaterLevel_#t~ret22; 865#L265 assume 0 != isHighWaterLevel_~tmp~2;isHighWaterLevel_~tmp___0~1 := 0; 862#L265-2 isHighWaterLevel_~retValue_acc~2 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~2; 834#L271 processEnvironment_#t~ret4 := isHighWaterLevel_#res;assume { :end_inline_isHighWaterLevel } true;processEnvironment_~tmp~1 := processEnvironment_#t~ret4;havoc processEnvironment_#t~ret4; 835#L167 assume !(0 != processEnvironment_~tmp~1);assume { :begin_inline_processEnvironment__wrappee__base } true; 858#L155 assume { :end_inline_processEnvironment__wrappee__base } true; 859#L163-1 assume { :end_inline_processEnvironment } true; 977#L138-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret70, __utac_acc__Specification4_spec__1_#t~ret71, __utac_acc__Specification4_spec__1_~tmp~7, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~7;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~10;havoc getWaterLevel_~retValue_acc~10;getWaterLevel_~retValue_acc~10 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~10; 976#L884 __utac_acc__Specification4_spec__1_#t~ret70 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~7 := __utac_acc__Specification4_spec__1_#t~ret70;havoc __utac_acc__Specification4_spec__1_#t~ret70; 971#L911 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~7); 970#L911-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 969#L148 assume { :end_inline_timeShift } true; 914#L56-3 [2018-11-18 10:04:21,542 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:04:21,542 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2018-11-18 10:04:21,542 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:04:21,542 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:04:21,543 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:04:21,543 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:04:21,543 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:04:21,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:04:21,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:04:21,583 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:04:21,583 INFO L82 PathProgramCache]: Analyzing trace with hash 2090013980, now seen corresponding path program 1 times [2018-11-18 10:04:21,583 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:04:21,584 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:04:21,585 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:04:21,585 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 10:04:21,585 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:04:21,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:04:21,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:04:21,600 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:04:21,601 INFO L82 PathProgramCache]: Analyzing trace with hash -1829665576, now seen corresponding path program 1 times [2018-11-18 10:04:21,601 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:04:21,601 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:04:21,602 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:04:21,602 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:04:21,602 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:04:21,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:04:21,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:04:21,804 WARN L180 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 52 [2018-11-18 10:05:00,702 WARN L180 SmtUtils]: Spent 38.83 s on a formula simplification. DAG size of input: 395 DAG size of output: 393 [2018-11-18 10:05:09,035 WARN L180 SmtUtils]: Spent 8.33 s on a formula simplification that was a NOOP. DAG size: 393 [2018-11-18 10:05:09,115 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 10:05:09 BoogieIcfgContainer [2018-11-18 10:05:09,115 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 10:05:09,116 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 10:05:09,116 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 10:05:09,116 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 10:05:09,116 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:04:20" (3/4) ... [2018-11-18 10:05:09,118 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 10:05:09,182 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_683749d6-7b40-4982-aa9f-9b9de95e454f/bin-2019/uautomizer/witness.graphml [2018-11-18 10:05:09,182 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 10:05:09,183 INFO L168 Benchmark]: Toolchain (without parser) took 49134.09 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 230.2 MB). Free memory was 957.5 MB in the beginning and 826.4 MB in the end (delta: 131.1 MB). Peak memory consumption was 361.3 MB. Max. memory is 11.5 GB. [2018-11-18 10:05:09,185 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 10:05:09,185 INFO L168 Benchmark]: CACSL2BoogieTranslator took 354.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.2 MB). Free memory was 957.5 MB in the beginning and 1.2 GB in the end (delta: -194.9 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. [2018-11-18 10:05:09,185 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 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 10:05:09,186 INFO L168 Benchmark]: Boogie Preprocessor took 25.29 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 10:05:09,186 INFO L168 Benchmark]: RCFGBuilder took 517.40 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: 72.0 MB). Peak memory consumption was 72.0 MB. Max. memory is 11.5 GB. [2018-11-18 10:05:09,186 INFO L168 Benchmark]: BuchiAutomizer took 48122.61 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 65.0 MB). Free memory was 1.1 GB in the beginning and 831.6 MB in the end (delta: 245.5 MB). Peak memory consumption was 310.5 MB. Max. memory is 11.5 GB. [2018-11-18 10:05:09,187 INFO L168 Benchmark]: Witness Printer took 66.38 ms. Allocated memory is still 1.3 GB. Free memory was 831.6 MB in the beginning and 826.4 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 11.5 GB. [2018-11-18 10:05:09,190 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 354.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.2 MB). Free memory was 957.5 MB in the beginning and 1.2 GB in the end (delta: -194.9 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 45.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 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 25.29 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 517.40 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: 72.0 MB). Peak memory consumption was 72.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 48122.61 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 65.0 MB). Free memory was 1.1 GB in the beginning and 831.6 MB in the end (delta: 245.5 MB). Peak memory consumption was 310.5 MB. Max. memory is 11.5 GB. * Witness Printer took 66.38 ms. Allocated memory is still 1.3 GB. Free memory was 831.6 MB in the beginning and 826.4 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 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 296 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 48.0s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 47.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 296 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 284 SDtfs, 234 SDslu, 199 SDs, 0 SdLazy, 32 SolverSat, 17 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI2 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 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 {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3d698b98=0, "On"=24, NULL=0, "libacc.c"=0, "i > 0 && i <= this->argsCount"=19, ",Meth:"=0, "i > 0 && i <= this->argsCount"=0, retValue_acc=1, "i > 0 && i <= this->argsCount"=36, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@389c0f9e=0, "libacc.c"=0, "__utac__get_this_arg"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3dec856a=0, "Pump(System:"=16, "Env(Water:%i"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4be21d51=0, ",Meth:"=37, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2e3150df=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4114be34=0, "i > 0 && i <= this->argsCount"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@107f2b3e=0, "Off"=20, "libacc.c"=28, methaneLevelCritical=0, tmp___0=0, "CRIT"=0, ")"=0, retValue_acc=0, "OK"=0, tmp___1=0, cleanupTimeShifts=4, tmp=0, "__utac__get_this_arg"=8, tmp___0=0, "libacc.c"=12, "Off"=39, "\n"=0, NULL=0, systemActive=1, waterLevel=1, ")"=11, \result=1, \result=0, "libacc.c"=15, "libacc.c"=18, "__utac__get_this_argtype"=0, tmp___0=0, "i > 0 && i <= this->argsCount"=0, "i > 0 && i <= this->argsCount"=0, "__utac__get_this_argtype"=0, "libacc.c"=0, "libacc.c"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3620f9da=0, \result=1, head=0, pumpRunning=0, "__utac__get_this_argtype"=33, \result=0, "i > 0 && i <= this->argsCount"=23, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4f8eb902=0, "\n"=35, tmp=1, ") "=0, "On"=0, "Off"=0, retValue_acc=1, \result=1, "__utac__get_this_arg"=31, "OK"=38, "Env(Water:%i"=29, tmp=1, tmp=1, tmp___2=0, retValue_acc=1, splverifierCounter=0, "On"=0, "Pump(System:"=0, "On"=17, tmp=0, head=0, ") "=27, "i > 0 && i <= this->argsCount"=34, ",Pump:"=0, "Off"=0, ",Pump:"=26, "__utac__get_this_argtype"=14, "__utac__get_this_arg"=0, "CRIT"=22} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 56]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L225] FCALL "Pump(System:" [L229] FCALL "On" [L233] FCALL "Off" [L237] FCALL ",Pump:" [L241] FCALL "On" [L245] FCALL "Off" [L249] FCALL ") " [L251] FCALL "\n" [L739] FCALL "i > 0 && i <= this->argsCount" [L739] FCALL "libacc.c" [L740] FCALL "__utac__get_this_arg" [L746] FCALL "i > 0 && i <= this->argsCount" [L746] FCALL "libacc.c" [L747] FCALL "__utac__get_this_arg" [L785] FCALL "i > 0 && i <= this->argsCount" [L785] FCALL "libacc.c" [L786] FCALL "__utac__get_this_argtype" [L792] FCALL "i > 0 && i <= this->argsCount" [L792] FCALL "libacc.c" [L793] FCALL "__utac__get_this_argtype" [L861] FCALL "Env(Water:%i" [L862] FCALL ",Meth:" [L866] FCALL "CRIT" [L870] FCALL "OK" [L874] FCALL ")" [L123] int pumpRunning = 0; [L124] int systemActive = 1; [L299] int cleanupTimeShifts = 4; [L809] int waterLevel = 1; [L810] int methaneLevelCritical = 0; [L611] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L375] int retValue_acc ; [L376] int tmp ; [L380] FCALL select_helpers() [L381] FCALL select_features() [L382] CALL, EXPR valid_product() [L424] int retValue_acc ; [L427] retValue_acc = 1 [L428] RET return (retValue_acc); [L382] EXPR valid_product() [L382] tmp = valid_product() [L384] COND TRUE \read(tmp) [L386] FCALL setup() [L387] CALL runTest() [L366] 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 FALSE !(\read(tmp___2)) [L92] tmp___1 = __VERIFIER_nondet_int() [L94] COND FALSE !(\read(tmp___1)) [L103] CALL timeShift() [L131] COND FALSE !(\read(pumpRunning)) [L138] COND TRUE \read(systemActive) [L140] CALL processEnvironment() [L160] int tmp ; [L163] COND TRUE ! pumpRunning [L165] CALL, EXPR isHighWaterLevel() [L257] int retValue_acc ; [L258] int tmp ; [L259] int tmp___0 ; [L263] CALL, EXPR isHighWaterSensorDry() [L889] int retValue_acc ; [L892] COND TRUE waterLevel < 2 [L893] retValue_acc = 1 [L894] RET return (retValue_acc); [L263] EXPR isHighWaterSensorDry() [L263] tmp = isHighWaterSensorDry() [L265] COND TRUE \read(tmp) [L266] tmp___0 = 0 [L270] retValue_acc = tmp___0 [L271] RET return (retValue_acc); [L165] EXPR isHighWaterLevel() [L165] tmp = isHighWaterLevel() [L167] COND FALSE !(\read(tmp)) [L173] RET, FCALL processEnvironment__wrappee__base() [L140] processEnvironment() [L146] CALL __utac_acc__Specification4_spec__1() [L904] int tmp ; [L905] int tmp___0 ; [L909] CALL, EXPR getWaterLevel() [L880] int retValue_acc ; [L883] retValue_acc = waterLevel [L884] RET return (retValue_acc); [L909] EXPR getWaterLevel() [L909] tmp = getWaterLevel() [L911] COND FALSE, RET !(tmp == 0) [L146] RET __utac_acc__Specification4_spec__1() [L103] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...