./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product02_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_e8791a3c-9e97-4c6e-b070-a0debf0c7a27/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e8791a3c-9e97-4c6e-b070-a0debf0c7a27/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e8791a3c-9e97-4c6e-b070-a0debf0c7a27/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e8791a3c-9e97-4c6e-b070-a0debf0c7a27/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product02_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_e8791a3c-9e97-4c6e-b070-a0debf0c7a27/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e8791a3c-9e97-4c6e-b070-a0debf0c7a27/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 a00a7e438929786846b38e6a5327ae1b6e91eb08 ............................................................................................................................................................................................................................................................................................................................................................................................. 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 15:57:49,656 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 15:57:49,658 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 15:57:49,665 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 15:57:49,665 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 15:57:49,665 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 15:57:49,666 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 15:57:49,667 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 15:57:49,668 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 15:57:49,669 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 15:57:49,670 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 15:57:49,670 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 15:57:49,670 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 15:57:49,671 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 15:57:49,672 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 15:57:49,672 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 15:57:49,673 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 15:57:49,675 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 15:57:49,676 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 15:57:49,678 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 15:57:49,679 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 15:57:49,679 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 15:57:49,681 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 15:57:49,681 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 15:57:49,681 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 15:57:49,682 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 15:57:49,683 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 15:57:49,684 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 15:57:49,684 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 15:57:49,685 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 15:57:49,685 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 15:57:49,686 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 15:57:49,686 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 15:57:49,686 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 15:57:49,687 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 15:57:49,687 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 15:57:49,688 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e8791a3c-9e97-4c6e-b070-a0debf0c7a27/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 15:57:49,698 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 15:57:49,698 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 15:57:49,699 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 15:57:49,699 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 15:57:49,699 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 15:57:49,699 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 15:57:49,699 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 15:57:49,699 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 15:57:49,700 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 15:57:49,700 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 15:57:49,700 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 15:57:49,700 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 15:57:49,700 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 15:57:49,700 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 15:57:49,700 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 15:57:49,700 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 15:57:49,700 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 15:57:49,701 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 15:57:49,701 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 15:57:49,701 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 15:57:49,701 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 15:57:49,701 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 15:57:49,701 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 15:57:49,701 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 15:57:49,701 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 15:57:49,701 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 15:57:49,703 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 15:57:49,703 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 15:57:49,703 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 15:57:49,703 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 15:57:49,703 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 15:57:49,704 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 15:57:49,704 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_e8791a3c-9e97-4c6e-b070-a0debf0c7a27/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 -> a00a7e438929786846b38e6a5327ae1b6e91eb08 [2018-11-18 15:57:49,725 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 15:57:49,733 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 15:57:49,735 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 15:57:49,736 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 15:57:49,737 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 15:57:49,737 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e8791a3c-9e97-4c6e-b070-a0debf0c7a27/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product02_true-unreach-call_false-termination.cil.c [2018-11-18 15:57:49,781 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e8791a3c-9e97-4c6e-b070-a0debf0c7a27/bin-2019/uautomizer/data/89f9f5168/3a2d5be5a43d44478f37c2c17f1ab92c/FLAG4cdfff076 [2018-11-18 15:57:50,216 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 15:57:50,217 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e8791a3c-9e97-4c6e-b070-a0debf0c7a27/sv-benchmarks/c/product-lines/minepump_spec4_product02_true-unreach-call_false-termination.cil.c [2018-11-18 15:57:50,227 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e8791a3c-9e97-4c6e-b070-a0debf0c7a27/bin-2019/uautomizer/data/89f9f5168/3a2d5be5a43d44478f37c2c17f1ab92c/FLAG4cdfff076 [2018-11-18 15:57:50,238 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e8791a3c-9e97-4c6e-b070-a0debf0c7a27/bin-2019/uautomizer/data/89f9f5168/3a2d5be5a43d44478f37c2c17f1ab92c [2018-11-18 15:57:50,240 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 15:57:50,242 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 15:57:50,242 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 15:57:50,242 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 15:57:50,245 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 15:57:50,246 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:57:50" (1/1) ... [2018-11-18 15:57:50,249 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 03:57:50, skipping insertion in model container [2018-11-18 15:57:50,249 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:57:50" (1/1) ... [2018-11-18 15:57:50,257 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 15:57:50,284 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 15:57:50,461 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:57:50,470 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 15:57:50,569 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:57:50,584 INFO L195 MainTranslator]: Completed translation [2018-11-18 15:57:50,585 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:57:50 WrapperNode [2018-11-18 15:57:50,585 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 15:57:50,585 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 15:57:50,585 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 15:57:50,585 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 15:57:50,590 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:57:50" (1/1) ... [2018-11-18 15:57:50,600 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:57:50" (1/1) ... [2018-11-18 15:57:50,617 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 15:57:50,618 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 15:57:50,618 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 15:57:50,618 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 15:57:50,623 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:57:50" (1/1) ... [2018-11-18 15:57:50,624 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:57:50" (1/1) ... [2018-11-18 15:57:50,625 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:57:50" (1/1) ... [2018-11-18 15:57:50,625 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:57:50" (1/1) ... [2018-11-18 15:57:50,629 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:57:50" (1/1) ... [2018-11-18 15:57:50,633 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:57:50" (1/1) ... [2018-11-18 15:57:50,634 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:57:50" (1/1) ... [2018-11-18 15:57:50,635 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 15:57:50,636 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 15:57:50,636 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 15:57:50,636 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 15:57:50,636 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:57:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e8791a3c-9e97-4c6e-b070-a0debf0c7a27/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 15:57:50,669 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 15:57:50,669 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 15:57:50,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 15:57:51,067 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 15:57:51,067 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:57:51 BoogieIcfgContainer [2018-11-18 15:57:51,067 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 15:57:51,068 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 15:57:51,068 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 15:57:51,070 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 15:57:51,070 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 15:57:51,070 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 03:57:50" (1/3) ... [2018-11-18 15:57:51,071 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@206a980d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 03:57:51, skipping insertion in model container [2018-11-18 15:57:51,071 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 15:57:51,071 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:57:50" (2/3) ... [2018-11-18 15:57:51,072 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@206a980d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 03:57:51, skipping insertion in model container [2018-11-18 15:57:51,072 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 15:57:51,072 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:57:51" (3/3) ... [2018-11-18 15:57:51,073 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product02_true-unreach-call_false-termination.cil.c [2018-11-18 15:57:51,105 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 15:57:51,105 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 15:57:51,105 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 15:57:51,106 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 15:57:51,106 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 15:57:51,106 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 15:57:51,106 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 15:57:51,106 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 15:57:51,106 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 15:57:51,115 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 78 states. [2018-11-18 15:57:51,135 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 49 [2018-11-18 15:57:51,135 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 15:57:51,136 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 15:57:51,141 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:57:51,142 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 15:57:51,142 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 15:57:51,142 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 78 states. [2018-11-18 15:57:51,145 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 49 [2018-11-18 15:57:51,145 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 15:57:51,145 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 15:57:51,146 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:57:51,146 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 15:57:51,151 INFO L794 eck$LassoCheckResult]: Stem: 28#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string3.base, #t~string3.offset := #Ultimate.alloc(13);call #t~string5.base, #t~string5.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string5.base,#t~string5.offset := 79];#memory_int := #memory_int[#t~string5.base,1 + #t~string5.offset := 110];#memory_int := #memory_int[#t~string5.base,2 + #t~string5.offset := 0];call #t~string7.base, #t~string7.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string7.base,#t~string7.offset := 79];#memory_int := #memory_int[#t~string7.base,1 + #t~string7.offset := 102];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 102];#memory_int := #memory_int[#t~string7.base,3 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 44];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 80];#memory_int := #memory_int[#t~string9.base,2 + #t~string9.offset := 117];#memory_int := #memory_int[#t~string9.base,3 + #t~string9.offset := 109];#memory_int := #memory_int[#t~string9.base,4 + #t~string9.offset := 112];#memory_int := #memory_int[#t~string9.base,5 + #t~string9.offset := 58];#memory_int := #memory_int[#t~string9.base,6 + #t~string9.offset := 0];call #t~string11.base, #t~string11.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string11.base,#t~string11.offset := 79];#memory_int := #memory_int[#t~string11.base,1 + #t~string11.offset := 110];#memory_int := #memory_int[#t~string11.base,2 + #t~string11.offset := 0];call #t~string13.base, #t~string13.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string13.base,#t~string13.offset := 79];#memory_int := #memory_int[#t~string13.base,1 + #t~string13.offset := 102];#memory_int := #memory_int[#t~string13.base,2 + #t~string13.offset := 102];#memory_int := #memory_int[#t~string13.base,3 + #t~string13.offset := 0];call #t~string15.base, #t~string15.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string15.base,#t~string15.offset := 41];#memory_int := #memory_int[#t~string15.base,1 + #t~string15.offset := 32];#memory_int := #memory_int[#t~string15.base,2 + #t~string15.offset := 0];call #t~string17.base, #t~string17.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string17.base,#t~string17.offset := 10];#memory_int := #memory_int[#t~string17.base,1 + #t~string17.offset := 0];call #t~string23.base, #t~string23.offset := #Ultimate.alloc(13);call #t~string25.base, #t~string25.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string25.base,#t~string25.offset := 44];#memory_int := #memory_int[#t~string25.base,1 + #t~string25.offset := 77];#memory_int := #memory_int[#t~string25.base,2 + #t~string25.offset := 101];#memory_int := #memory_int[#t~string25.base,3 + #t~string25.offset := 116];#memory_int := #memory_int[#t~string25.base,4 + #t~string25.offset := 104];#memory_int := #memory_int[#t~string25.base,5 + #t~string25.offset := 58];#memory_int := #memory_int[#t~string25.base,6 + #t~string25.offset := 0];call #t~string27.base, #t~string27.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string27.base,#t~string27.offset := 67];#memory_int := #memory_int[#t~string27.base,1 + #t~string27.offset := 82];#memory_int := #memory_int[#t~string27.base,2 + #t~string27.offset := 73];#memory_int := #memory_int[#t~string27.base,3 + #t~string27.offset := 84];#memory_int := #memory_int[#t~string27.base,4 + #t~string27.offset := 0];call #t~string29.base, #t~string29.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string29.base,#t~string29.offset := 79];#memory_int := #memory_int[#t~string29.base,1 + #t~string29.offset := 75];#memory_int := #memory_int[#t~string29.base,2 + #t~string29.offset := 0];call #t~string31.base, #t~string31.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string31.base,#t~string31.offset := 41];#memory_int := #memory_int[#t~string31.base,1 + #t~string31.offset := 0];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(21);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(21);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(30);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(9);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(25);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(30);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(9);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 14#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret69, main_~retValue_acc~9, main_~tmp~5;havoc main_~retValue_acc~9;havoc main_~tmp~5;assume { :begin_inline_select_helpers } true; 47#L74true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 64#L67true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 43#L82true main_#t~ret69 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~5 := main_#t~ret69;havoc main_#t~ret69; 20#L837true assume 0 != main_~tmp~5;assume { :begin_inline_setup } true; 70#L814true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet18, test_#t~nondet19, test_#t~nondet20, test_#t~nondet21, 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; 45#L225-3true [2018-11-18 15:57:51,151 INFO L796 eck$LassoCheckResult]: Loop: 45#L225-3true assume true; 77#L225-1true assume !false; 17#L226true assume test_~splverifierCounter~0 < 4; 36#L227true test_~tmp~0 := test_#t~nondet18;havoc test_#t~nondet18; 51#L235true assume !(0 != test_~tmp~0); 23#L235-2true test_~tmp___0~0 := test_#t~nondet19;havoc test_#t~nondet19; 27#L245true assume !(0 != test_~tmp___0~0); 10#L245-2true test_~tmp___2~0 := test_#t~nondet20;havoc test_#t~nondet20; 15#L255true assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 6#L208true assume { :end_inline_startSystem } true; 4#L263-2true assume { :begin_inline_timeShift } true; 44#L104true assume !(0 != ~pumpRunning~0); 42#L104-2true assume !(0 != ~systemActive~0); 67#L111-1true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret32, __utac_acc__Specification4_spec__1_#t~ret33, __utac_acc__Specification4_spec__1_~tmp~1, __utac_acc__Specification4_spec__1_~tmp___0~1;havoc __utac_acc__Specification4_spec__1_~tmp~1;havoc __utac_acc__Specification4_spec__1_~tmp___0~1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~5;havoc getWaterLevel_~retValue_acc~5;getWaterLevel_~retValue_acc~5 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~5; 18#L358true __utac_acc__Specification4_spec__1_#t~ret32 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~1 := __utac_acc__Specification4_spec__1_#t~ret32;havoc __utac_acc__Specification4_spec__1_#t~ret32; 49#L371true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~1); 55#L371-1true assume { :end_inline___utac_acc__Specification4_spec__1 } true; 37#L121true assume { :end_inline_timeShift } true; 45#L225-3true [2018-11-18 15:57:51,156 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:57:51,156 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2018-11-18 15:57:51,158 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:57:51,158 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:57:51,188 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:57:51,188 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:57:51,188 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:57:51,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:57:51,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:57:51,395 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:57:51,396 INFO L82 PathProgramCache]: Analyzing trace with hash 1210975155, now seen corresponding path program 1 times [2018-11-18 15:57:51,396 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:57:51,396 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:57:51,396 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:57:51,397 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:57:51,397 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:57:51,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:57:51,443 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 15:57:51,444 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:57:51,445 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 15:57:51,447 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 15:57:51,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 15:57:51,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 15:57:51,459 INFO L87 Difference]: Start difference. First operand 78 states. Second operand 3 states. [2018-11-18 15:57:51,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:57:51,501 INFO L93 Difference]: Finished difference Result 75 states and 92 transitions. [2018-11-18 15:57:51,502 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 15:57:51,503 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 75 states and 92 transitions. [2018-11-18 15:57:51,506 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 45 [2018-11-18 15:57:51,509 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 75 states to 65 states and 81 transitions. [2018-11-18 15:57:51,510 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 65 [2018-11-18 15:57:51,510 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 65 [2018-11-18 15:57:51,511 INFO L73 IsDeterministic]: Start isDeterministic. Operand 65 states and 81 transitions. [2018-11-18 15:57:51,511 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 15:57:51,511 INFO L705 BuchiCegarLoop]: Abstraction has 65 states and 81 transitions. [2018-11-18 15:57:51,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states and 81 transitions. [2018-11-18 15:57:51,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2018-11-18 15:57:51,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2018-11-18 15:57:51,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 81 transitions. [2018-11-18 15:57:51,535 INFO L728 BuchiCegarLoop]: Abstraction has 65 states and 81 transitions. [2018-11-18 15:57:51,535 INFO L608 BuchiCegarLoop]: Abstraction has 65 states and 81 transitions. [2018-11-18 15:57:51,535 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 15:57:51,535 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 65 states and 81 transitions. [2018-11-18 15:57:51,536 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 45 [2018-11-18 15:57:51,537 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 15:57:51,537 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 15:57:51,537 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:57:51,537 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] [2018-11-18 15:57:51,538 INFO L794 eck$LassoCheckResult]: Stem: 200#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string3.base, #t~string3.offset := #Ultimate.alloc(13);call #t~string5.base, #t~string5.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string5.base,#t~string5.offset := 79];#memory_int := #memory_int[#t~string5.base,1 + #t~string5.offset := 110];#memory_int := #memory_int[#t~string5.base,2 + #t~string5.offset := 0];call #t~string7.base, #t~string7.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string7.base,#t~string7.offset := 79];#memory_int := #memory_int[#t~string7.base,1 + #t~string7.offset := 102];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 102];#memory_int := #memory_int[#t~string7.base,3 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 44];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 80];#memory_int := #memory_int[#t~string9.base,2 + #t~string9.offset := 117];#memory_int := #memory_int[#t~string9.base,3 + #t~string9.offset := 109];#memory_int := #memory_int[#t~string9.base,4 + #t~string9.offset := 112];#memory_int := #memory_int[#t~string9.base,5 + #t~string9.offset := 58];#memory_int := #memory_int[#t~string9.base,6 + #t~string9.offset := 0];call #t~string11.base, #t~string11.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string11.base,#t~string11.offset := 79];#memory_int := #memory_int[#t~string11.base,1 + #t~string11.offset := 110];#memory_int := #memory_int[#t~string11.base,2 + #t~string11.offset := 0];call #t~string13.base, #t~string13.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string13.base,#t~string13.offset := 79];#memory_int := #memory_int[#t~string13.base,1 + #t~string13.offset := 102];#memory_int := #memory_int[#t~string13.base,2 + #t~string13.offset := 102];#memory_int := #memory_int[#t~string13.base,3 + #t~string13.offset := 0];call #t~string15.base, #t~string15.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string15.base,#t~string15.offset := 41];#memory_int := #memory_int[#t~string15.base,1 + #t~string15.offset := 32];#memory_int := #memory_int[#t~string15.base,2 + #t~string15.offset := 0];call #t~string17.base, #t~string17.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string17.base,#t~string17.offset := 10];#memory_int := #memory_int[#t~string17.base,1 + #t~string17.offset := 0];call #t~string23.base, #t~string23.offset := #Ultimate.alloc(13);call #t~string25.base, #t~string25.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string25.base,#t~string25.offset := 44];#memory_int := #memory_int[#t~string25.base,1 + #t~string25.offset := 77];#memory_int := #memory_int[#t~string25.base,2 + #t~string25.offset := 101];#memory_int := #memory_int[#t~string25.base,3 + #t~string25.offset := 116];#memory_int := #memory_int[#t~string25.base,4 + #t~string25.offset := 104];#memory_int := #memory_int[#t~string25.base,5 + #t~string25.offset := 58];#memory_int := #memory_int[#t~string25.base,6 + #t~string25.offset := 0];call #t~string27.base, #t~string27.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string27.base,#t~string27.offset := 67];#memory_int := #memory_int[#t~string27.base,1 + #t~string27.offset := 82];#memory_int := #memory_int[#t~string27.base,2 + #t~string27.offset := 73];#memory_int := #memory_int[#t~string27.base,3 + #t~string27.offset := 84];#memory_int := #memory_int[#t~string27.base,4 + #t~string27.offset := 0];call #t~string29.base, #t~string29.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string29.base,#t~string29.offset := 79];#memory_int := #memory_int[#t~string29.base,1 + #t~string29.offset := 75];#memory_int := #memory_int[#t~string29.base,2 + #t~string29.offset := 0];call #t~string31.base, #t~string31.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string31.base,#t~string31.offset := 41];#memory_int := #memory_int[#t~string31.base,1 + #t~string31.offset := 0];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(21);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(21);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(30);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(9);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(25);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(30);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(9);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 179#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret69, main_~retValue_acc~9, main_~tmp~5;havoc main_~retValue_acc~9;havoc main_~tmp~5;assume { :begin_inline_select_helpers } true; 180#L74 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 214#L67 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 210#L82 main_#t~ret69 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~5 := main_#t~ret69;havoc main_#t~ret69; 186#L837 assume 0 != main_~tmp~5;assume { :begin_inline_setup } true; 187#L814 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet18, test_#t~nondet19, test_#t~nondet20, test_#t~nondet21, 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; 207#L225-3 [2018-11-18 15:57:51,538 INFO L796 eck$LassoCheckResult]: Loop: 207#L225-3 assume true; 211#L225-1 assume !false; 181#L226 assume test_~splverifierCounter~0 < 4; 182#L227 test_~tmp~0 := test_#t~nondet18;havoc test_#t~nondet18; 205#L235 assume !(0 != test_~tmp~0); 191#L235-2 test_~tmp___0~0 := test_#t~nondet19;havoc test_#t~nondet19; 192#L245 assume !(0 != test_~tmp___0~0); 172#L245-2 test_~tmp___2~0 := test_#t~nondet20;havoc test_#t~nondet20; 173#L255 assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 166#L208 assume { :end_inline_startSystem } true; 164#L263-2 assume { :begin_inline_timeShift } true; 165#L104 assume !(0 != ~pumpRunning~0); 194#L104-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 198#L128 assume { :end_inline_processEnvironment } true; 199#L111-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret32, __utac_acc__Specification4_spec__1_#t~ret33, __utac_acc__Specification4_spec__1_~tmp~1, __utac_acc__Specification4_spec__1_~tmp___0~1;havoc __utac_acc__Specification4_spec__1_~tmp~1;havoc __utac_acc__Specification4_spec__1_~tmp___0~1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~5;havoc getWaterLevel_~retValue_acc~5;getWaterLevel_~retValue_acc~5 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~5; 184#L358 __utac_acc__Specification4_spec__1_#t~ret32 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~1 := __utac_acc__Specification4_spec__1_#t~ret32;havoc __utac_acc__Specification4_spec__1_#t~ret32; 185#L371 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~1); 215#L371-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 206#L121 assume { :end_inline_timeShift } true; 207#L225-3 [2018-11-18 15:57:51,538 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:57:51,538 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2018-11-18 15:57:51,538 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:57:51,539 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:57:51,539 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:57:51,539 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:57:51,540 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:57:51,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:57:51,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:57:51,637 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:57:51,637 INFO L82 PathProgramCache]: Analyzing trace with hash -486396203, now seen corresponding path program 1 times [2018-11-18 15:57:51,637 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:57:51,637 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:57:51,638 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:57:51,638 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 15:57:51,638 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:57:51,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:57:51,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:57:51,647 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:57:51,648 INFO L82 PathProgramCache]: Analyzing trace with hash 1815747217, now seen corresponding path program 1 times [2018-11-18 15:57:51,648 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:57:51,648 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:57:51,649 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:57:51,649 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:57:51,649 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:57:51,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:57:51,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:59:26,140 WARN L180 SmtUtils]: Spent 1.57 m on a formula simplification. DAG size of input: 395 DAG size of output: 393 [2018-11-18 16:00:18,912 WARN L180 SmtUtils]: Spent 52.77 s on a formula simplification that was a NOOP. DAG size: 393 [2018-11-18 16:00:18,987 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 04:00:18 BoogieIcfgContainer [2018-11-18 16:00:18,987 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 16:00:18,987 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 16:00:18,988 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 16:00:18,988 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 16:00:18,988 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:57:51" (3/4) ... [2018-11-18 16:00:18,992 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 16:00:19,028 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_e8791a3c-9e97-4c6e-b070-a0debf0c7a27/bin-2019/uautomizer/witness.graphml [2018-11-18 16:00:19,029 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 16:00:19,029 INFO L168 Benchmark]: Toolchain (without parser) took 148788.51 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 222.8 MB). Free memory was 955.4 MB in the beginning and 844.0 MB in the end (delta: 111.3 MB). Peak memory consumption was 334.2 MB. Max. memory is 11.5 GB. [2018-11-18 16:00:19,030 INFO L168 Benchmark]: CDTParser took 0.12 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 16:00:19,030 INFO L168 Benchmark]: CACSL2BoogieTranslator took 342.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.1 MB). Free memory was 955.4 MB in the beginning and 1.2 GB in the end (delta: -199.7 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2018-11-18 16:00:19,030 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-18 16:00:19,031 INFO L168 Benchmark]: Boogie Preprocessor took 17.71 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-18 16:00:19,031 INFO L168 Benchmark]: RCFGBuilder took 431.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 67.4 MB). Peak memory consumption was 67.4 MB. Max. memory is 11.5 GB. [2018-11-18 16:00:19,031 INFO L168 Benchmark]: BuchiAutomizer took 147919.58 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 58.7 MB). Free memory was 1.1 GB in the beginning and 849.0 MB in the end (delta: 232.1 MB). Peak memory consumption was 290.8 MB. Max. memory is 11.5 GB. [2018-11-18 16:00:19,032 INFO L168 Benchmark]: Witness Printer took 41.26 ms. Allocated memory is still 1.3 GB. Free memory was 849.0 MB in the beginning and 844.0 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 11.5 GB. [2018-11-18 16:00:19,033 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 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 342.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.1 MB). Free memory was 955.4 MB in the beginning and 1.2 GB in the end (delta: -199.7 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 32.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.71 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 431.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 67.4 MB). Peak memory consumption was 67.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 147919.58 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 58.7 MB). Free memory was 1.1 GB in the beginning and 849.0 MB in the end (delta: 232.1 MB). Peak memory consumption was 290.8 MB. Max. memory is 11.5 GB. * Witness Printer took 41.26 ms. Allocated memory is still 1.3 GB. Free memory was 849.0 MB in the beginning and 844.0 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 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 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 65 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 147.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 147.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 65 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 89 SDtfs, 87 SDslu, 0 SDs, 0 SdLazy, 3 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 225]: 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 {") "=31, NULL=0, "i > 0 && i <= this->argsCount"=0, "libacc.c"=0, "i > 0 && i <= this->argsCount"=18, "__utac__get_this_argtype"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4388a796=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@649a62cf=0, "Off"=36, "i > 0 && i <= this->argsCount"=0, "__utac__get_this_argtype"=12, retValue_acc=0, "On"=34, "i > 0 && i <= this->argsCount"=8, "libacc.c"=17, methaneLevelCritical=0, "libacc.c"=0, "__utac__get_this_argtype"=0, tmp___1=0, "OK"=24, "Env(Water:%i"=28, tmp___0=0, cleanupTimeShifts=4, tmp=0, ",Meth:"=27, ")"=23, "libacc.c"=20, "\n"=29, ",Meth:"=0, "Env(Water:%i"=0, "CRIT"=0, "OK"=0, NULL=0, systemActive=1, waterLevel=1, \result=1, "__utac__get_this_arg"=0, tmp___0=0, "i > 0 && i <= this->argsCount"=0, "i > 0 && i <= this->argsCount"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@586c639d=0, "__utac__get_this_arg"=0, "libacc.c"=0, "libacc.c"=0, \result=1, head=0, pumpRunning=0, "__utac__get_this_arg"=16, \result=0, "i > 0 && i <= this->argsCount"=22, "__utac__get_this_argtype"=39, ") "=0, tmp=1, "\n"=0, "i > 0 && i <= this->argsCount"=15, tmp=1, "On"=37, retValue_acc=1, tmp___2=151, retValue_acc=1, splverifierCounter=0, "Pump(System:"=0, ",Pump:"=0, "Off"=0, "On"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@14a7cec0=0, ",Pump:"=35, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@50d2197b=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@606081c=0, head=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5135398c=151, "CRIT"=26, "Pump(System:"=38, ")"=0, "Off"=0, "On"=0, "libacc.c"=14, "Off"=33, "__utac__get_this_arg"=19, "libacc.c"=11} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 225]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L172] FCALL "Pump(System:" [L176] FCALL "On" [L180] FCALL "Off" [L184] FCALL ",Pump:" [L188] FCALL "On" [L192] FCALL "Off" [L196] FCALL ") " [L198] FCALL "\n" [L335] FCALL "Env(Water:%i" [L336] FCALL ",Meth:" [L340] FCALL "CRIT" [L344] FCALL "OK" [L348] FCALL ")" [L686] FCALL "i > 0 && i <= this->argsCount" [L686] FCALL "libacc.c" [L687] FCALL "__utac__get_this_arg" [L693] FCALL "i > 0 && i <= this->argsCount" [L693] FCALL "libacc.c" [L694] FCALL "__utac__get_this_arg" [L732] FCALL "i > 0 && i <= this->argsCount" [L732] FCALL "libacc.c" [L733] FCALL "__utac__get_this_argtype" [L739] FCALL "i > 0 && i <= this->argsCount" [L739] FCALL "libacc.c" [L740] FCALL "__utac__get_this_argtype" [L96] int pumpRunning = 0; [L97] int systemActive = 1; [L283] int waterLevel = 1; [L284] int methaneLevelCritical = 0; [L755] int cleanupTimeShifts = 4; [L558] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L828] int retValue_acc ; [L829] int tmp ; [L833] FCALL select_helpers() [L834] FCALL select_features() [L835] CALL, EXPR valid_product() [L78] int retValue_acc ; [L81] retValue_acc = 1 [L82] RET return (retValue_acc); [L835] EXPR valid_product() [L835] tmp = valid_product() [L837] COND TRUE \read(tmp) [L839] FCALL setup() [L840] CALL runTest() [L822] CALL test() [L216] int splverifierCounter ; [L217] int tmp ; [L218] int tmp___0 ; [L219] int tmp___1 ; [L220] int tmp___2 ; [L223] splverifierCounter = 0 Loop: [L225] COND TRUE 1 [L227] COND TRUE splverifierCounter < 4 [L233] tmp = __VERIFIER_nondet_int() [L235] COND FALSE !(\read(tmp)) [L243] tmp___0 = __VERIFIER_nondet_int() [L245] COND FALSE !(\read(tmp___0)) [L253] tmp___2 = __VERIFIER_nondet_int() [L255] COND TRUE \read(tmp___2) [L257] CALL startSystem() [L207] RET systemActive = 1 [L257] startSystem() [L270] CALL timeShift() [L104] COND FALSE !(\read(pumpRunning)) [L111] COND TRUE \read(systemActive) [L113] FCALL processEnvironment() [L119] CALL __utac_acc__Specification4_spec__1() [L364] int tmp ; [L365] int tmp___0 ; [L369] CALL, EXPR getWaterLevel() [L354] int retValue_acc ; [L357] retValue_acc = waterLevel [L358] RET return (retValue_acc); [L369] EXPR getWaterLevel() [L369] tmp = getWaterLevel() [L371] COND FALSE, RET !(tmp == 0) [L119] RET __utac_acc__Specification4_spec__1() [L270] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...